[INFO] fetching crate logs 0.5.0...
[INFO] testing logs-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate logs 0.5.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate logs 0.5.0 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 logs 0.5.0
[INFO] finished tweaking crates.io crate logs 0.5.0
[INFO] tweaked toml for crates.io crate logs 0.5.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate logs 0.5.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 7d8df4c2973cef52dd777ba6b6d110746e40902ca6564bc4cbae3e58c098ea7a
[INFO] running `Command { std: "docker" "start" "-a" "7d8df4c2973cef52dd777ba6b6d110746e40902ca6564bc4cbae3e58c098ea7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8df4c2973cef52dd777ba6b6d110746e40902ca6564bc4cbae3e58c098ea7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8df4c2973cef52dd777ba6b6d110746e40902ca6564bc4cbae3e58c098ea7a", kill_on_drop: false }`
[INFO] [stdout] 7d8df4c2973cef52dd777ba6b6d110746e40902ca6564bc4cbae3e58c098ea7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 629a8db97673df1658cc67b56d491b2ad11a5aa22fa408da0fe25d79c01ff1a6
[INFO] running `Command { std: "docker" "start" "-a" "629a8db97673df1658cc67b56d491b2ad11a5aa22fa408da0fe25d79c01ff1a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling logs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "629a8db97673df1658cc67b56d491b2ad11a5aa22fa408da0fe25d79c01ff1a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629a8db97673df1658cc67b56d491b2ad11a5aa22fa408da0fe25d79c01ff1a6", kill_on_drop: false }`
[INFO] [stdout] 629a8db97673df1658cc67b56d491b2ad11a5aa22fa408da0fe25d79c01ff1a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] fa6a6bc3299364a04136d413b131bb20e5116651dec6901713936ad4d5802809
[INFO] running `Command { std: "docker" "start" "-a" "fa6a6bc3299364a04136d413b131bb20e5116651dec6901713936ad4d5802809", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling logs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "fa6a6bc3299364a04136d413b131bb20e5116651dec6901713936ad4d5802809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6a6bc3299364a04136d413b131bb20e5116651dec6901713936ad4d5802809", kill_on_drop: false }`
[INFO] [stdout] fa6a6bc3299364a04136d413b131bb20e5116651dec6901713936ad4d5802809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 3378ff76f15143b9034065bff6dffe8ed47d70439a2e6d8c9cf4f746240118f7
[INFO] running `Command { std: "docker" "start" "-a" "3378ff76f15143b9034065bff6dffe8ed47d70439a2e6d8c9cf4f746240118f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logs-a9f39a5e11da0af5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/config.rs - config::LogConfig::date_format (line 197) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3378ff76f15143b9034065bff6dffe8ed47d70439a2e6d8c9cf4f746240118f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3378ff76f15143b9034065bff6dffe8ed47d70439a2e6d8c9cf4f746240118f7", kill_on_drop: false }`
[INFO] [stdout] 3378ff76f15143b9034065bff6dffe8ed47d70439a2e6d8c9cf4f746240118f7