[INFO] fetching crate ar 0.8.0...
[INFO] testing ar-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ar 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ar 0.8.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ar 0.8.0
[INFO] finished tweaking crates.io crate ar 0.8.0
[INFO] tweaked toml for crates.io crate ar 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] b2d01d6916647d8fcdbdd738c9d5ca287e707811859c0e8881139c0d319b76d5
[INFO] running `Command { std: "docker" "start" "-a" "b2d01d6916647d8fcdbdd738c9d5ca287e707811859c0e8881139c0d319b76d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d01d6916647d8fcdbdd738c9d5ca287e707811859c0e8881139c0d319b76d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d01d6916647d8fcdbdd738c9d5ca287e707811859c0e8881139c0d319b76d5", kill_on_drop: false }`
[INFO] [stdout] b2d01d6916647d8fcdbdd738c9d5ca287e707811859c0e8881139c0d319b76d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f08ce5ff4d118221e8982c3b2d66761c552f8b19280f123e4121c971487a8af
[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" "1f08ce5ff4d118221e8982c3b2d66761c552f8b19280f123e4121c971487a8af", kill_on_drop: false }`
[INFO] [stderr]    Compiling ar v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "1f08ce5ff4d118221e8982c3b2d66761c552f8b19280f123e4121c971487a8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f08ce5ff4d118221e8982c3b2d66761c552f8b19280f123e4121c971487a8af", kill_on_drop: false }`
[INFO] [stdout] 1f08ce5ff4d118221e8982c3b2d66761c552f8b19280f123e4121c971487a8af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 417836fadc4949d36662daaf13c2fd0d364e4083fe7e7f57f0e637a1c1a951b7
[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" "417836fadc4949d36662daaf13c2fd0d364e4083fe7e7f57f0e637a1c1a951b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ar v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "417836fadc4949d36662daaf13c2fd0d364e4083fe7e7f57f0e637a1c1a951b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417836fadc4949d36662daaf13c2fd0d364e4083fe7e7f57f0e637a1c1a951b7", kill_on_drop: false }`
[INFO] [stdout] 417836fadc4949d36662daaf13c2fd0d364e4083fe7e7f57f0e637a1c1a951b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen", 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] 8216e8419b9ba597bb253a142457602da487f421e98edc08b3d23c878061e692
[INFO] running `Command { std: "docker" "start" "-a" "8216e8419b9ba597bb253a142457602da487f421e98edc08b3d23c878061e692", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ar-0987e7704e023736
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test tests::build_bsd_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::build_bsd_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::build_gnu_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::build_gnu_archive ... ok
[INFO] [stdout] test tests::jump_to_entry_in_bsd_archive ... ok
[INFO] [stdout] test tests::count_entries_in_bsd_archive ... ok
[INFO] [stdout] test tests::count_entries_in_gnu_archive ... ok
[INFO] [stdout] test tests::list_symbols_in_gnu_archive ... ok
[INFO] [stdout] test tests::jump_to_entry_in_gnu_archive ... ok
[INFO] [stdout] test tests::non_multiple_of_two_long_ident_in_gnu_archive ... ok
[INFO] [stdout] test tests::build_gnu_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::list_sorted_symbols_in_bsd_archive ... ok
[INFO] [stdout] test tests::build_common_archive ... ok
[INFO] [stdout] test tests::read_bsd_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::list_symbols_in_bsd_archive ... ok
[INFO] [stdout] test tests::read_bsd_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_space_in_filename ... ok
[INFO] [stdout] test tests::read_archive_with_no_padding_byte_in_final_entry ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_symbol_lookup_table ... ok
[INFO] [stdout] test tests::read_gnu_archive ... ok
[INFO] [stdout] test tests::seek_within_entry ... ok
[INFO] [stdout] test tests::build_gnu_archive_with_unexpected_identifier ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_gid ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_mode ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_mtime ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_size ... ok
[INFO] [stdout] test tests::read_ms_archive_with_long_filenames ... ok
[INFO] [stdout] test tests::read_archive_with_invalid_uid ... ok
[INFO] [stdout] test tests::read_common_archive ... ok
[INFO] [stdout] test tests::read_bsd_archive_with_invalid_filename_length ... ok
[INFO] [stdout] test tests::read_gnu_archive_with_invalid_filename_index ... ok
[INFO] [stdout] test tests::seek_entry_to_negative_position ... ok
[INFO] [stdout] test tests::seek_entry_beyond_end ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ar
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8216e8419b9ba597bb253a142457602da487f421e98edc08b3d23c878061e692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8216e8419b9ba597bb253a142457602da487f421e98edc08b3d23c878061e692", kill_on_drop: false }`
[INFO] [stdout] 8216e8419b9ba597bb253a142457602da487f421e98edc08b3d23c878061e692