[INFO] fetching crate cortex-m-logger 0.0.0-alpha.1...
[INFO] testing cortex-m-logger-0.0.0-alpha.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cortex-m-logger 0.0.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cortex-m-logger 0.0.0-alpha.1 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 cortex-m-logger 0.0.0-alpha.1
[INFO] finished tweaking crates.io crate cortex-m-logger 0.0.0-alpha.1
[INFO] tweaked toml for crates.io crate cortex-m-logger 0.0.0-alpha.1 written to /workspace/builds/worker-2/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] 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 62b908c640c32f22ff191fc976c2b4da65098f89a65e12fe8840e9c31af45127
[INFO] running `Command { std: "docker" "start" "-a" "62b908c640c32f22ff191fc976c2b4da65098f89a65e12fe8840e9c31af45127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b908c640c32f22ff191fc976c2b4da65098f89a65e12fe8840e9c31af45127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b908c640c32f22ff191fc976c2b4da65098f89a65e12fe8840e9c31af45127", kill_on_drop: false }`
[INFO] [stdout] 62b908c640c32f22ff191fc976c2b4da65098f89a65e12fe8840e9c31af45127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6995b5b8dd93a963df41f0090d9ea2908acf2e5818e170cf038499b86e93250f
[INFO] running `Command { std: "docker" "start" "-a" "6995b5b8dd93a963df41f0090d9ea2908acf2e5818e170cf038499b86e93250f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-logger v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "6995b5b8dd93a963df41f0090d9ea2908acf2e5818e170cf038499b86e93250f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6995b5b8dd93a963df41f0090d9ea2908acf2e5818e170cf038499b86e93250f", kill_on_drop: false }`
[INFO] [stdout] 6995b5b8dd93a963df41f0090d9ea2908acf2e5818e170cf038499b86e93250f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3553ec3b937d69b0133d1e91a6b1f703053a8ebccf12658901eda0d2248ca6fc
[INFO] running `Command { std: "docker" "start" "-a" "3553ec3b937d69b0133d1e91a6b1f703053a8ebccf12658901eda0d2248ca6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-logger v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "3553ec3b937d69b0133d1e91a6b1f703053a8ebccf12658901eda0d2248ca6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3553ec3b937d69b0133d1e91a6b1f703053a8ebccf12658901eda0d2248ca6fc", kill_on_drop: false }`
[INFO] [stdout] 3553ec3b937d69b0133d1e91a6b1f703053a8ebccf12658901eda0d2248ca6fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 14cf3fdb72ceafb7e9d264e8fab2ffceab6685e1668c425941d4a284a5bc4b15
[INFO] running `Command { std: "docker" "start" "-a" "14cf3fdb72ceafb7e9d264e8fab2ffceab6685e1668c425941d4a284a5bc4b15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cortex_m_logger-576fc8ee3342cfc3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cortex-m-logger
[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] [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] running `Command { std: "docker" "inspect" "14cf3fdb72ceafb7e9d264e8fab2ffceab6685e1668c425941d4a284a5bc4b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cf3fdb72ceafb7e9d264e8fab2ffceab6685e1668c425941d4a284a5bc4b15", kill_on_drop: false }`
[INFO] [stdout] 14cf3fdb72ceafb7e9d264e8fab2ffceab6685e1668c425941d4a284a5bc4b15