[INFO] fetching crate interfaces 0.0.7...
[INFO] testing interfaces-0.0.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate interfaces 0.0.7 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate interfaces 0.0.7 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 interfaces 0.0.7
[INFO] finished tweaking crates.io crate interfaces 0.0.7
[INFO] tweaked toml for crates.io crate interfaces 0.0.7 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate crates.io crate interfaces 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] bb27255f4e9c8fbd8cbbc2bb019f1b756103504e1105d541ca8cbf5add80fc5f
[INFO] running `Command { std: "docker" "start" "-a" "bb27255f4e9c8fbd8cbbc2bb019f1b756103504e1105d541ca8cbf5add80fc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb27255f4e9c8fbd8cbbc2bb019f1b756103504e1105d541ca8cbf5add80fc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb27255f4e9c8fbd8cbbc2bb019f1b756103504e1105d541ca8cbf5add80fc5f", kill_on_drop: false }`
[INFO] [stdout] bb27255f4e9c8fbd8cbbc2bb019f1b756103504e1105d541ca8cbf5add80fc5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 18a78a8bb9b97078d41b8e3f8514a126edb2e909c4a7cd4fe14674d938c27398
[INFO] running `Command { std: "docker" "start" "-a" "18a78a8bb9b97078d41b8e3f8514a126edb2e909c4a7cd4fe14674d938c27398", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling interfaces v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `Command { std: "docker" "inspect" "18a78a8bb9b97078d41b8e3f8514a126edb2e909c4a7cd4fe14674d938c27398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a78a8bb9b97078d41b8e3f8514a126edb2e909c4a7cd4fe14674d938c27398", kill_on_drop: false }`
[INFO] [stdout] 18a78a8bb9b97078d41b8e3f8514a126edb2e909c4a7cd4fe14674d938c27398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 24bdc9ff75d9da7560c195b4aaf637bbbaac15147cf1fd014145b624b0bbf0d0
[INFO] running `Command { std: "docker" "start" "-a" "24bdc9ff75d9da7560c195b4aaf637bbbaac15147cf1fd014145b624b0bbf0d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling interfaces v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "24bdc9ff75d9da7560c195b4aaf637bbbaac15147cf1fd014145b624b0bbf0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bdc9ff75d9da7560c195b4aaf637bbbaac15147cf1fd014145b624b0bbf0d0", kill_on_drop: false }`
[INFO] [stdout] 24bdc9ff75d9da7560c195b4aaf637bbbaac15147cf1fd014145b624b0bbf0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 2a3f2c482102e694ece6a98161f30c8f841b6513a87195367c5e14c76162fb85
[INFO] running `Command { std: "docker" "start" "-a" "2a3f2c482102e694ece6a98161f30c8f841b6513a87195367c5e14c76162fb85", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interfaces-ebe73e4219075828)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests interfaces
[INFO] [stdout] running 7 tests
[INFO] [stdout] test constants::tests::test_existing ... ok
[INFO] [stdout] test error::tests::test_error_has_traits ... ok
[INFO] [stdout] test ffi::tests::test_make_int16 ... ok
[INFO] [stdout] test tests::test_hardwareaddr_deriving ... ok
[INFO] [stdout] test constants::tests::test_not_existing ... ok
[INFO] [stdout] test tests::test_hardwareaddr_format ... ok
[INFO] [stdout] test tests::test_interface_is_comparable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - HardwareAddr::as_bytes (line 157) ... ok
[INFO] [stdout] test src/lib.rs - HardwareAddr::as_string (line 124) ... ok
[INFO] [stdout] test src/lib.rs - Interface::get_by_name (line 278) ... ok
[INFO] [stdout] test src/lib.rs - HardwareAddr::as_bare_string (line 141) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a3f2c482102e694ece6a98161f30c8f841b6513a87195367c5e14c76162fb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3f2c482102e694ece6a98161f30c8f841b6513a87195367c5e14c76162fb85", kill_on_drop: false }`
[INFO] [stdout] 2a3f2c482102e694ece6a98161f30c8f841b6513a87195367c5e14c76162fb85