The test failed on branch=provisional_202006032224_v20.2.0-alpha.1, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/jobs/mixed-versions/run_1
	mixed_version_jobs.go:198,versionupgrade.go:167,mixed_version_jobs.go:296,mixed_version_jobs.go:320,test_runner.go:753: Cluster info
		Node 1: 20.1
		Node 2: 20.1-6
		Node 3: 20.1-6
		Node 4: 20.1
		
		Unsuccessful job 562527288379703297 of type IMPORT, description IMPORT TABLE tpcc.public.history (rowid UUID NOT NULL DEFAULT gen_random_uuid(), h_c_id INT8 NOT NULL, h_c_d_id INT8 NOT NULL, h_c_w_id INT8 NOT NULL, h_d_id INT8 NOT NULL, h_w_id INT8 NOT NULL, h_date TIMESTAMP, h_amount DECIMAL(6,2), h_data VARCHAR(24), PRIMARY KEY (h_w_id, rowid), INDEX history_customer_fk_idx (h_c_w_id, h_c_d_id, h_c_id), INDEX history_district_fk_idx (h_w_id, h_d_id)) CSV DATA ('workload:///csv/tpcc/history?fks=true&interleaved=false&row-end=1500000&row-start=0&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/history?fks=true&interleaved=false&row-end=3000000&row-start=1500000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/history?fks=true&interleaved=false&row-end=4500000&row-start=3000000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/history?fks=true&interleaved=false&row-end=6000000&row-start=4500000&seed=1&version=2.1.0&warehouses=200') WITH "nullif" = 'NULL', status failed, error version mismatch in flow request: 29; this node accepts 27 through 28, coordinator 3
		Unsuccessful job 562527288379736065 of type IMPORT, description IMPORT TABLE tpcc.public.customer (c_id INT8 NOT NULL, c_d_id INT8 NOT NULL, c_w_id INT8 NOT NULL, c_first VARCHAR(16), c_middle CHAR(2), c_last VARCHAR(16), c_street_1 VARCHAR(20), c_street_2 VARCHAR(20), c_city VARCHAR(20), c_state CHAR(2), c_zip CHAR(9), c_phone CHAR(16), c_since TIMESTAMP, c_credit CHAR(2), c_credit_lim DECIMAL(12,2), c_discount DECIMAL(4,4), c_balance DECIMAL(12,2), c_ytd_payment DECIMAL(12,2), c_payment_cnt INT8, c_delivery_cnt INT8, c_data VARCHAR(500), PRIMARY KEY (c_w_id, c_d_id, c_id), INDEX customer_idx (c_w_id, c_d_id, c_last, c_first)) CSV DATA ('workload:///csv/tpcc/customer?fks=true&interleaved=false&row-end=1500000&row-start=0&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/customer?fks=true&interleaved=false&row-end=3000000&row-start=1500000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/customer?fks=true&interleaved=false&row-end=4500000&row-start=3000000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/customer?fks=true&interleaved=false&row-end=6000000&row-start=4500000&seed=1&version=2.1.0&warehouses=200') WITH "nullif" = 'NULL', status failed, error version mismatch in flow request: 29; this node accepts 27 through 28, coordinator 3
		Unsuccessful job 562527288381374465 of type IMPORT, description IMPORT TABLE tpcc.public.new_order (no_o_id INT8 NOT NULL, no_d_id INT8 NOT NULL, no_w_id INT8 NOT NULL, PRIMARY KEY (no_w_id, no_d_id, no_o_id)) CSV DATA ('workload:///csv/tpcc/new_order?fks=true&interleaved=false&row-end=450000&row-start=0&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/new_order?fks=true&interleaved=false&row-end=900000&row-start=450000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/new_order?fks=true&interleaved=false&row-end=1350000&row-start=900000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/new_order?fks=true&interleaved=false&row-end=1800000&row-start=1350000&seed=1&version=2.1.0&warehouses=200') WITH "nullif" = 'NULL', status failed, error job 562527288381374465: cannot be reverted, manual cleanup may be required: rolling back tables: unexpected value: raw_bytes:"\211!D\366\003\n\357\002\n\tnew_order\030\246\001 \242\001(\002:\n\010\360\212\370\324\221\346\277\213\026B\035\n\007no_o_id\020\001\032\014\010\001\020@\030\0000\000P\024`\000 \0000\000B\035\n\007no_d_id\020\002\032\014\010\001\020@\030\0000\000P\024`\000 \0000\000B\035\n\007no_w_id\020\003\032\014\010\001\020@\030\0000\000P\024`\000 \0000\000H\004Rd\n\007primary\020\001\030\001\"\007no_w_id\"\007no_d_id\"\007no_o_id0\0030\0020\001@\000@\000@\000J\020\010\000\020\000\032\000 \000(\0000\0008\000@\000Z\000z\002\010\000\200\001\000\210\001\000\220\001\001\230\001\000\242\001\006\010\000\022\000\030\000\250\001\000`\002j\025\n\t\n\005admin\020\002\n\010\n\004root\020\002\200\001\001\210\001\003\230\001\000\262\001.\n\007primary\020\000\032\007no_o_id\032\007no_d_id\032\007no_w_id \001 \002 \003(\000\270\001\001\302\001\000\350\001\000\362\001\004\010\000\022\000\370\001\000\200\002\000\222\002\000\232\002\n\010\360\212\370\324\221\346\277\213\026\262\002\timporting\270\002\000\300\002\035" timestamp:<wall_time:1591740124835404130 logical:2 > , coordinator 3
		Unsuccessful job 562527288385601537 of type IMPORT, description IMPORT TABLE tpcc.public.stock (s_i_id INT8 NOT NULL, s_w_id INT8 NOT NULL, s_quantity INT8, s_dist_01 CHAR(24), s_dist_02 CHAR(24), s_dist_03 CHAR(24), s_dist_04 CHAR(24), s_dist_05 CHAR(24), s_dist_06 CHAR(24), s_dist_07 CHAR(24), s_dist_08 CHAR(24), s_dist_09 CHAR(24), s_dist_10 CHAR(24), s_ytd INT8, s_order_cnt INT8, s_remote_cnt INT8, s_data VARCHAR(50), PRIMARY KEY (s_w_id, s_i_id), INDEX stock_item_fk_idx (s_i_id)) CSV DATA ('workload:///csv/tpcc/stock?fks=true&interleaved=false&row-end=5000000&row-start=0&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/stock?fks=true&interleaved=false&row-end=10000000&row-start=5000000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/stock?fks=true&interleaved=false&row-end=15000000&row-start=10000000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/stock?fks=true&interleaved=false&row-end=20000000&row-start=15000000&seed=1&version=2.1.0&warehouses=200') WITH "nullif" = 'NULL', status failed, error version mismatch in flow request: 29; this node accepts 27 through 28, coordinator 3
		Unsuccessful job 562527288388780033 of type IMPORT, description IMPORT TABLE tpcc.public."order" (o_id INT8 NOT NULL, o_d_id INT8 NOT NULL, o_w_id INT8 NOT NULL, o_c_id INT8, o_entry_d TIMESTAMP, o_carrier_id INT8, o_ol_cnt INT8, o_all_local INT8, PRIMARY KEY (o_w_id, o_d_id, o_id DESC), CONSTRAINT order_idx UNIQUE (o_w_id, o_d_id, o_c_id, o_id DESC) STORING (o_entry_d, o_carrier_id)) CSV DATA ('workload:///csv/tpcc/order?fks=true&interleaved=false&row-end=1500000&row-start=0&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/order?fks=true&interleaved=false&row-end=3000000&row-start=1500000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/order?fks=true&interleaved=false&row-end=4500000&row-start=3000000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/order?fks=true&interleaved=false&row-end=6000000&row-start=4500000&seed=1&version=2.1.0&warehouses=200') WITH "nullif" = 'NULL', status failed, error version mismatch in flow request: 29; this node accepts 27 through 28, coordinator 3
		Unsuccessful job 562527288395235329 of type IMPORT, description IMPORT TABLE tpcc.public.order_line (ol_o_id INT8 NOT NULL, ol_d_id INT8 NOT NULL, ol_w_id INT8 NOT NULL, ol_number INT8 NOT NULL, ol_i_id INT8 NOT NULL, ol_supply_w_id INT8, ol_delivery_d TIMESTAMP, ol_quantity INT8, ol_amount DECIMAL(6,2), ol_dist_info CHAR(24), PRIMARY KEY (ol_w_id, ol_d_id, ol_o_id DESC, ol_number), INDEX order_line_stock_fk_idx (ol_supply_w_id, ol_i_id)) CSV DATA ('workload:///csv/tpcc/order_line?fks=true&interleaved=false&row-end=1500000&row-start=0&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/order_line?fks=true&interleaved=false&row-end=3000000&row-start=1500000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/order_line?fks=true&interleaved=false&row-end=4500000&row-start=3000000&seed=1&version=2.1.0&warehouses=200', 'workload:///csv/tpcc/order_line?fks=true&interleaved=false&row-end=6000000&row-start=4500000&seed=1&version=2.1.0&warehouses=200') WITH "nullif" = 'NULL', status failed, error version mismatch in flow request: 29; this node accepts 27 through 28, coordinator 3