[INFO] fetching crate ar 0.9.0...
[INFO] testing ar-0.9.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ar 0.9.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ar 0.9.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ar 0.9.0
[INFO] finished tweaking crates.io crate ar 0.9.0
[INFO] tweaked toml for crates.io crate ar 0.9.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ar 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb88f920bc15023dc39418b23549ecedfaa48d397573bf0a83060eb2111973a
[INFO] running `Command { std: "docker" "start" "-a" "4fb88f920bc15023dc39418b23549ecedfaa48d397573bf0a83060eb2111973a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb88f920bc15023dc39418b23549ecedfaa48d397573bf0a83060eb2111973a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb88f920bc15023dc39418b23549ecedfaa48d397573bf0a83060eb2111973a", kill_on_drop: false }`
[INFO] [stdout] 4fb88f920bc15023dc39418b23549ecedfaa48d397573bf0a83060eb2111973a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3585a9871a1a49bc341706d6d3cfecf984be5dc58852572599eba98c76b9a0f
[INFO] running `Command { std: "docker" "start" "-a" "e3585a9871a1a49bc341706d6d3cfecf984be5dc58852572599eba98c76b9a0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ar v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "e3585a9871a1a49bc341706d6d3cfecf984be5dc58852572599eba98c76b9a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3585a9871a1a49bc341706d6d3cfecf984be5dc58852572599eba98c76b9a0f", kill_on_drop: false }`
[INFO] [stdout] e3585a9871a1a49bc341706d6d3cfecf984be5dc58852572599eba98c76b9a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f55668926ac9c00c7cd2972830f28988236e133b095c504bf598920fb1f69e0
[INFO] running `Command { std: "docker" "start" "-a" "0f55668926ac9c00c7cd2972830f28988236e133b095c504bf598920fb1f69e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ar v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "0f55668926ac9c00c7cd2972830f28988236e133b095c504bf598920fb1f69e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f55668926ac9c00c7cd2972830f28988236e133b095c504bf598920fb1f69e0", kill_on_drop: false }`
[INFO] [stdout] 0f55668926ac9c00c7cd2972830f28988236e133b095c504bf598920fb1f69e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be6f13b4be2c6c0d2ae597a70c8af956e398998dd8d736b1fd0f8eb6a2bf8588
[INFO] running `Command { std: "docker" "start" "-a" "be6f13b4be2c6c0d2ae597a70c8af956e398998dd8d736b1fd0f8eb6a2bf8588", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 34 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ar-e75817ed9b5f90c7)
[INFO] [stdout] test tests::count_entries_in_gnu_archive ... ok
[INFO] [stdout] test tests::count_entries_in_bsd_archive ... ok
[INFO] [stdout] test tests::build_gnu_archive ... ok
[INFO] [stdout] test tests::build_gnu_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::jump_to_entry_in_bsd_archive ... ok
[INFO] [stdout] test tests::build_common_archive ... ok
[INFO] [stdout] test tests::build_bsd_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::list_sorted_symbols_in_bsd_archive ... ok
[INFO] [stdout] test tests::list_symbols_in_bsd_archive ... ok
[INFO] [stdout] test tests::jump_to_entry_in_gnu_archive ... ok
[INFO] [stdout] test tests::build_gnu_archive_with_unexpected_identifier - should panic ... ok
[INFO] [stdout] test tests::build_bsd_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::build_gnu_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::list_symbols_in_gnu_archive ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_gid - should panic ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_mtime - should panic ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::non_multiple_of_two_long_ident_in_gnu_archive ... ok
[INFO] [stdout] test tests::read_gnu_archive ... ok
[INFO] [stdout] test tests::read_bsd_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::read_common_archive ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_mode - should panic ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_uid - should panic ... ok
[INFO] [stdout] test tests::read_archive_with_no_padding_byte_in_final_entry ... ok
[INFO] [stdout] test tests::read_bsd_archive_with_invalid_filename_length - should panic ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_size - should panic ... ok
[INFO] [stdout] test tests::read_ms_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::seek_within_entry ... ok
[INFO] [stdout] test tests::seek_entry_beyond_end - should panic ... ok
[INFO] [stdout] test tests::seek_entry_to_negative_position - should panic ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_invalid_filename_index - should panic ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_symbol_lookup_table ... ok
[INFO] [stderr]    Doc-tests ar
[INFO] [stdout] test tests::read_bsd_archive_with_long_filenames ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 47) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 33) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be6f13b4be2c6c0d2ae597a70c8af956e398998dd8d736b1fd0f8eb6a2bf8588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6f13b4be2c6c0d2ae597a70c8af956e398998dd8d736b1fd0f8eb6a2bf8588", kill_on_drop: false }`
[INFO] [stdout] be6f13b4be2c6c0d2ae597a70c8af956e398998dd8d736b1fd0f8eb6a2bf8588