[INFO] fetching crate iter_columns 0.3.0...
[INFO] testing iter_columns-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate iter_columns 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iter_columns 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter_columns 0.3.0
[INFO] finished tweaking crates.io crate iter_columns 0.3.0
[INFO] tweaked toml for crates.io crate iter_columns 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea92fc7a1892f0f9bc3a12e872e3ad4f4129e3209df0522b32f4b24172804b52
[INFO] running `Command { std: "docker" "start" "-a" "ea92fc7a1892f0f9bc3a12e872e3ad4f4129e3209df0522b32f4b24172804b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea92fc7a1892f0f9bc3a12e872e3ad4f4129e3209df0522b32f4b24172804b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea92fc7a1892f0f9bc3a12e872e3ad4f4129e3209df0522b32f4b24172804b52", kill_on_drop: false }`
[INFO] [stdout] ea92fc7a1892f0f9bc3a12e872e3ad4f4129e3209df0522b32f4b24172804b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d363687a4ed859c8646c75e6a9555046dc3125cf5ae11722b234731d7102a0c
[INFO] running `Command { std: "docker" "start" "-a" "1d363687a4ed859c8646c75e6a9555046dc3125cf5ae11722b234731d7102a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_columns v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "1d363687a4ed859c8646c75e6a9555046dc3125cf5ae11722b234731d7102a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d363687a4ed859c8646c75e6a9555046dc3125cf5ae11722b234731d7102a0c", kill_on_drop: false }`
[INFO] [stdout] 1d363687a4ed859c8646c75e6a9555046dc3125cf5ae11722b234731d7102a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78bf1f7b0a21802ce799802be32109376eba2f5b567d82ed655fd78a01d80d3f
[INFO] running `Command { std: "docker" "start" "-a" "78bf1f7b0a21802ce799802be32109376eba2f5b567d82ed655fd78a01d80d3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_columns v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "78bf1f7b0a21802ce799802be32109376eba2f5b567d82ed655fd78a01d80d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bf1f7b0a21802ce799802be32109376eba2f5b567d82ed655fd78a01d80d3f", kill_on_drop: false }`
[INFO] [stdout] 78bf1f7b0a21802ce799802be32109376eba2f5b567d82ed655fd78a01d80d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7497d9e5aba37b74e49011889dac3a6c7fdc13e8b34e1a67f8d48b315a6d263c
[INFO] running `Command { std: "docker" "start" "-a" "7497d9e5aba37b74e49011889dac3a6c7fdc13e8b34e1a67f8d48b315a6d263c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_columns-a92af674117d74d1)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test tests::test_array_borrowed_3 ... ok
[INFO] [stdout] test tests::test_array_borrowed_1 ... ok
[INFO] [stdout] test tests::test_array_borrowed_2 ... ok
[INFO] [stdout] test tests::test_array_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_1 ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_2 ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_3 ... ok
[INFO] [stdout] test tests::test_into_array_old ... ok
[INFO] [stdout] test tests::test_array_mut_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_into_array_old_backwards ... ok
[INFO] [stdout] test tests::test_into_vec ... ok
[INFO] [stdout] test tests::test_into_vec_backwards ... ok
[INFO] [stdout] test tests::test_into_vec_options_backwards ... ok
[INFO] [stdout] test tests::test_into_vec_options ... ok
[INFO] [stdout] test tests::test_slice_borrowed_2 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_3 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_1 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_backwards ... ok
[INFO] [stdout] test tests::test_slice_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_1 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_2 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_3 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_slice_mut_borrowed_options_backwards ... ok
[INFO] [stdout] test tests::test_vec_borrowed_1 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_2 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_3 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_2 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_3 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_1 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_backwards ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_1 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_3 ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_backwards ... ok
[INFO] [stdout] test tests::test_vec_mut_borrowed_options_2 ... ok
[INFO] [stdout] test tests::test_vec_borrowed_options_backwards ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_columns
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/iter.rs - iter::ColumnsMutTrait::columns_options (line 494) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsTrait::columns_options (line 418) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsTrait::columns (line 381) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsMutTrait::columns (line 457) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsIntoIterVecTrait::columns (line 101) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnsIntoIterVecTrait::columns_options (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7497d9e5aba37b74e49011889dac3a6c7fdc13e8b34e1a67f8d48b315a6d263c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7497d9e5aba37b74e49011889dac3a6c7fdc13e8b34e1a67f8d48b315a6d263c", kill_on_drop: false }`
[INFO] [stdout] 7497d9e5aba37b74e49011889dac3a6c7fdc13e8b34e1a67f8d48b315a6d263c