[INFO] fetching crate grid 0.2.3...
[INFO] testing grid-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate grid 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grid 0.2.3 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 grid 0.2.3
[INFO] finished tweaking crates.io crate grid 0.2.3
[INFO] tweaked toml for crates.io crate grid 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bd30a81355bb77b81cb040c64731c627489d9db76eed0107bd40bdc69f996688
[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" "bd30a81355bb77b81cb040c64731c627489d9db76eed0107bd40bdc69f996688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd30a81355bb77b81cb040c64731c627489d9db76eed0107bd40bdc69f996688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd30a81355bb77b81cb040c64731c627489d9db76eed0107bd40bdc69f996688", kill_on_drop: false }`
[INFO] [stdout] bd30a81355bb77b81cb040c64731c627489d9db76eed0107bd40bdc69f996688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 5218969199cef9945b14920aec923c9593bada4b026a8f42b0b4e5a94600006c
[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" "5218969199cef9945b14920aec923c9593bada4b026a8f42b0b4e5a94600006c", kill_on_drop: false }`
[INFO] [stderr]    Compiling grid v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5218969199cef9945b14920aec923c9593bada4b026a8f42b0b4e5a94600006c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5218969199cef9945b14920aec923c9593bada4b026a8f42b0b4e5a94600006c", kill_on_drop: false }`
[INFO] [stdout] 5218969199cef9945b14920aec923c9593bada4b026a8f42b0b4e5a94600006c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] c22288f60f08804b7128c9f3f29a3b0467f85582eef1a829caea2a8f205d15bc
[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" "c22288f60f08804b7128c9f3f29a3b0467f85582eef1a829caea2a8f205d15bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling grid v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.41s
[INFO] running `Command { std: "docker" "inspect" "c22288f60f08804b7128c9f3f29a3b0467f85582eef1a829caea2a8f205d15bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22288f60f08804b7128c9f3f29a3b0467f85582eef1a829caea2a8f205d15bc", kill_on_drop: false }`
[INFO] [stdout] c22288f60f08804b7128c9f3f29a3b0467f85582eef1a829caea2a8f205d15bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e128a9dbfea9021b19ceb45ad0afba1ddcc4de768e2aceff0128c3117ddb56bc
[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" "e128a9dbfea9021b19ceb45ad0afba1ddcc4de768e2aceff0128c3117ddb56bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grid-79ce7a9540ad5fa2
[INFO] [stdout] 
[INFO] [stdout] running 58 tests
[INFO] [stdout] test test::equal_empty ... ok
[INFO] [stdout] test test::clear ... ok
[INFO] [stdout] test test::equal ... ok
[INFO] [stdout] test test::fmt_empty ... ok
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] test test::fmt_grid ... ok
[INFO] [stdout] test test::fmt_row ... ok
[INFO] [stdout] test test::get_mut_none ... ok
[INFO] [stdout] test test::get_mut ... ok
[INFO] [stdout] test test::get ... ok
[INFO] [stdout] test test::from_vec_zero ... ok
[INFO] [stdout] test test::get_none ... ok
[INFO] [stdout] test test::insert_col_at_end ... ok
[INFO] [stdout] test test::idx ... ok
[INFO] [stdout] test test::insert_row_start ... ok
[INFO] [stdout] test test::insert_row_at_end ... ok
[INFO] [stdout] test test::init ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::idx_set ... ok
[INFO] [stdout] test test::is_empty_true ... ok
[INFO] [stdout] test test::is_empty_false ... ok
[INFO] [stdout] test test::iter_row ... ok
[INFO] [stdout] test test::macro_init ... ok
[INFO] [stdout] test test::macro_init_2 ... ok
[INFO] [stdout] test test::macro_init_char ... ok
[INFO] [stdout] test test::macro_init_empty ... ok
[INFO] [stdout] test test::ctr_panics_2 ... ok
[INFO] [stdout] test test::from_vec_panics_2 ... ok
[INFO] [stdout] test test::from_vec_panics_3 ... ok
[INFO] [stdout] test test::idx_out_of_col_bounds ... ok
[INFO] [stdout] test test::from_vec_panics_1 ... ok
[INFO] [stdout] test test::init_panics ... ok
[INFO] [stdout] test test::idx_panic_1 ... ok
[INFO] [stdout] test test::idx_panic_2 ... ok
[INFO] [stdout] test test::insert_row_wrong_size_of_idx ... ok
[INFO] [stdout] test test::insert_row_out_of_idx ... ok
[INFO] [stdout] test test::insert_col_out_of_idx ... ok
[INFO] [stdout] test test::macro_one_row ... ok
[INFO] [stdout] test test::ne_full_empty ... ok
[INFO] [stdout] test test::ne_dif_rows ... ok
[INFO] [stdout] test test::ne ... ok
[INFO] [stdout] test test::pop_row ... ok
[INFO] [stdout] test test::pop_row_empty ... ok
[INFO] [stdout] test test::new ... ok
[INFO] [stdout] test test::pop_col_empty ... ok
[INFO] [stdout] test test::pop_col ... ok
[INFO] [stdout] test test::push_col_empty ... ok
[INFO] [stdout] test test::push_col ... ok
[INFO] [stdout] test test::iter_col_zero ... ok
[INFO] [stdout] test test::iter_col_out_of_bound ... ok
[INFO] [stdout] test test::size ... ok
[INFO] [stdout] test test::push_row_empty ... ok
[INFO] [stdout] test test::push_col_small ... ok
[INFO] [stdout] test test::push_col_single ... ok
[INFO] [stdout] test test::iter_row_out_of_bound ... ok
[INFO] [stdout] test test::iter_row_empty ... ok
[INFO] [stderr]    Doc-tests grid
[INFO] [stdout] test test::push_row_wrong_size ... ok
[INFO] [stdout] test test::push_col_wrong_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 58 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/lib.rs - Grid<T>::is_empty (line 252) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::flatten (line 613) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_row (line 356) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::from_vec (line 158) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_col (line 300) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_row_mut (line 385) ... ok
[INFO] [stdout] test src/lib.rs - grid (line 69) ... ignored
[INFO] [stdout] test src/lib.rs - Grid<T>::from_vec (line 170) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_col_mut (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter (line 269) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::new (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::iter_mut (line 284) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::pop_col (line 529) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_row (line 427) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::pop_row (line 503) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::insert_row (line 558) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::insert_col (line 585) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_row (line 414) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_col (line 472) ... ok
[INFO] [stdout] test src/lib.rs - grid (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Grid<T>::push_col (line 460) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 4.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e128a9dbfea9021b19ceb45ad0afba1ddcc4de768e2aceff0128c3117ddb56bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e128a9dbfea9021b19ceb45ad0afba1ddcc4de768e2aceff0128c3117ddb56bc", kill_on_drop: false }`
[INFO] [stdout] e128a9dbfea9021b19ceb45ad0afba1ddcc4de768e2aceff0128c3117ddb56bc