[INFO] fetching crate simple-grid 1.0.1...
[INFO] testing simple-grid-1.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate simple-grid 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate simple-grid 1.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-grid 1.0.1
[INFO] finished tweaking crates.io crate simple-grid 1.0.1
[INFO] tweaked toml for crates.io crate simple-grid 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate simple-grid 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2b31bacc1d276219a7344e8e7605697e94c8175781c52b8a1225bfa6b23f402
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2b31bacc1d276219a7344e8e7605697e94c8175781c52b8a1225bfa6b23f402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b31bacc1d276219a7344e8e7605697e94c8175781c52b8a1225bfa6b23f402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b31bacc1d276219a7344e8e7605697e94c8175781c52b8a1225bfa6b23f402", kill_on_drop: false }`
[INFO] [stdout] f2b31bacc1d276219a7344e8e7605697e94c8175781c52b8a1225bfa6b23f402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e64c5a64647e6e94463e6799f44968aa32ad578ec37b059adc93e80ec8c5724
[INFO] running `Command { std: "docker" "start" "-a" "7e64c5a64647e6e94463e6799f44968aa32ad578ec37b059adc93e80ec8c5724", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-grid v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7e64c5a64647e6e94463e6799f44968aa32ad578ec37b059adc93e80ec8c5724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e64c5a64647e6e94463e6799f44968aa32ad578ec37b059adc93e80ec8c5724", kill_on_drop: false }`
[INFO] [stdout] 7e64c5a64647e6e94463e6799f44968aa32ad578ec37b059adc93e80ec8c5724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 280b78d87ec5cc656613d2e259d85eb3692c52b1963e6156ed562c67866034a2
[INFO] running `Command { std: "docker" "start" "-a" "280b78d87ec5cc656613d2e259d85eb3692c52b1963e6156ed562c67866034a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling simple-grid v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "280b78d87ec5cc656613d2e259d85eb3692c52b1963e6156ed562c67866034a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280b78d87ec5cc656613d2e259d85eb3692c52b1963e6156ed562c67866034a2", kill_on_drop: false }`
[INFO] [stdout] 280b78d87ec5cc656613d2e259d85eb3692c52b1963e6156ed562c67866034a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a5ade8d14600f3979f9eef6f660916155e51c91377df554b40800e77020800d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a5ade8d14600f3979f9eef6f660916155e51c91377df554b40800e77020800d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_grid-27467c113a871382
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::flip_horizontally_test ... ok
[INFO] [stdout] test tests::index_test ... ok
[INFO] [stdout] test tests::insert_column_test ... ok
[INFO] [stdout] test tests::remove_column_until_empty_test ... ok
[INFO] [stdout] test tests::remove_row_until_empty_test ... ok
[INFO] [stdout] test tests::rotate_ccw_test ... ok
[INFO] [stdout] test tests::rotate_cw_test ... ok
[INFO] [stdout] test tests::flip_vertically_test ... ok
[INFO] [stdout] test tests::contains_test ... ok
[INFO] [stdout] test tests::is_empty_test ... ok
[INFO] [stdout] test tests::new_default_test ... ok
[INFO] [stdout] test tests::remove_column_test ... ok
[INFO] [stdout] test tests::insert_row_test ... ok
[INFO] [stdout] test tests::row_iter_test ... ok
[INFO] [stdout] test tests::remove_row_test ... ok
[INFO] [stderr]    Doc-tests simple-grid
[INFO] [stdout] test tests::col_iter_test ... ok
[INFO] [stdout] test tests::set_value_test ... ok
[INFO] [stdout] test tests::transpose_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - Grid<T>::flip_horizontally (line 423) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::column_iter (line 136) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::flip_vertically (line 452) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::contains (line 529) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::remove_column (line 267) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::rotate_ccw (line 394) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::insert_row (line 155) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::new (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::row_iter (line 118) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::rotate_cw (line 365) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::insert_column (line 226) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::remove_row (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::transpose (line 482) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a5ade8d14600f3979f9eef6f660916155e51c91377df554b40800e77020800d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5ade8d14600f3979f9eef6f660916155e51c91377df554b40800e77020800d", kill_on_drop: false }`
[INFO] [stdout] 8a5ade8d14600f3979f9eef6f660916155e51c91377df554b40800e77020800d