[INFO] fetching crate slog-bunyan 2.3.0...
[INFO] testing slog-bunyan-2.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate slog-bunyan 2.3.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate slog-bunyan 2.3.0 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 slog-bunyan 2.3.0
[INFO] finished tweaking crates.io crate slog-bunyan 2.3.0
[INFO] tweaked toml for crates.io crate slog-bunyan 2.3.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 46089c2e5e1deb7cbaa88fdfdd4878926dc7640df73297de4fa48f04b1fb889e
[INFO] running `Command { std: "docker" "start" "-a" "46089c2e5e1deb7cbaa88fdfdd4878926dc7640df73297de4fa48f04b1fb889e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46089c2e5e1deb7cbaa88fdfdd4878926dc7640df73297de4fa48f04b1fb889e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46089c2e5e1deb7cbaa88fdfdd4878926dc7640df73297de4fa48f04b1fb889e", kill_on_drop: false }`
[INFO] [stdout] 46089c2e5e1deb7cbaa88fdfdd4878926dc7640df73297de4fa48f04b1fb889e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 19f0c8b8f0ff1355bc35b741d50fab6d862fe9c7e9e208c3888ee6d929cfc990
[INFO] running `Command { std: "docker" "start" "-a" "19f0c8b8f0ff1355bc35b741d50fab6d862fe9c7e9e208c3888ee6d929cfc990", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling slog-json v2.4.0
[INFO] [stderr]    Compiling slog-bunyan v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `Command { std: "docker" "inspect" "19f0c8b8f0ff1355bc35b741d50fab6d862fe9c7e9e208c3888ee6d929cfc990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f0c8b8f0ff1355bc35b741d50fab6d862fe9c7e9e208c3888ee6d929cfc990", kill_on_drop: false }`
[INFO] [stdout] 19f0c8b8f0ff1355bc35b741d50fab6d862fe9c7e9e208c3888ee6d929cfc990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 0bd7cd6cb7acba78129918b2f40b224af7e9c27d52438ccd813e2c24eaba5fa5
[INFO] running `Command { std: "docker" "start" "-a" "0bd7cd6cb7acba78129918b2f40b224af7e9c27d52438ccd813e2c24eaba5fa5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slog-bunyan v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "0bd7cd6cb7acba78129918b2f40b224af7e9c27d52438ccd813e2c24eaba5fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd7cd6cb7acba78129918b2f40b224af7e9c27d52438ccd813e2c24eaba5fa5", kill_on_drop: false }`
[INFO] [stdout] 0bd7cd6cb7acba78129918b2f40b224af7e9c27d52438ccd813e2c24eaba5fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 4a2d0a0c436f7c7cbee10b5f8eff57da8f6336a6e3651de4d03d0e3ba4eb37a0
[INFO] running `Command { std: "docker" "start" "-a" "4a2d0a0c436f7c7cbee10b5f8eff57da8f6336a6e3651de4d03d0e3ba4eb37a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slog_bunyan-ec8641852d2e8fbb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::trivial ... ok
[INFO] [stdout] test test::custom_name_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-bunyan
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a2d0a0c436f7c7cbee10b5f8eff57da8f6336a6e3651de4d03d0e3ba4eb37a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2d0a0c436f7c7cbee10b5f8eff57da8f6336a6e3651de4d03d0e3ba4eb37a0", kill_on_drop: false }`
[INFO] [stdout] 4a2d0a0c436f7c7cbee10b5f8eff57da8f6336a6e3651de4d03d0e3ba4eb37a0