[INFO] fetching crate signal-msg 0.2.1...
[INFO] testing signal-msg-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate signal-msg 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate signal-msg 0.2.1 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 signal-msg 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate signal-msg 0.2.1
[INFO] tweaked toml for crates.io crate signal-msg 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate signal-msg 0.2.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-signal v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] eceb4c8b263594dcdf1a40eb3aa2a29ed9b992b552589b9b06438f3887b77241
[INFO] running `Command { std: "docker" "start" "-a" "eceb4c8b263594dcdf1a40eb3aa2a29ed9b992b552589b9b06438f3887b77241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eceb4c8b263594dcdf1a40eb3aa2a29ed9b992b552589b9b06438f3887b77241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eceb4c8b263594dcdf1a40eb3aa2a29ed9b992b552589b9b06438f3887b77241", kill_on_drop: false }`
[INFO] [stdout] eceb4c8b263594dcdf1a40eb3aa2a29ed9b992b552589b9b06438f3887b77241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d6cab2f5e5856839dc8d7b0eb5116d3eb92e8925f8a9bcd09dbcbd1094e68d8b
[INFO] running `Command { std: "docker" "start" "-a" "d6cab2f5e5856839dc8d7b0eb5116d3eb92e8925f8a9bcd09dbcbd1094e68d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling simple-signal v1.1.1
[INFO] [stderr]    Compiling signal-msg v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "d6cab2f5e5856839dc8d7b0eb5116d3eb92e8925f8a9bcd09dbcbd1094e68d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cab2f5e5856839dc8d7b0eb5116d3eb92e8925f8a9bcd09dbcbd1094e68d8b", kill_on_drop: false }`
[INFO] [stdout] d6cab2f5e5856839dc8d7b0eb5116d3eb92e8925f8a9bcd09dbcbd1094e68d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0770bc5ad355f9f811eb35d12da3c554876549c0d70ba8b4025609d1a9356bc2
[INFO] running `Command { std: "docker" "start" "-a" "0770bc5ad355f9f811eb35d12da3c554876549c0d70ba8b4025609d1a9356bc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-msg v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0770bc5ad355f9f811eb35d12da3c554876549c0d70ba8b4025609d1a9356bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0770bc5ad355f9f811eb35d12da3c554876549c0d70ba8b4025609d1a9356bc2", kill_on_drop: false }`
[INFO] [stdout] 0770bc5ad355f9f811eb35d12da3c554876549c0d70ba8b4025609d1a9356bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c30acfb8e5f19f83bea52e262bb3c6ee890c47d6483bcbefdbb11dbf9e82e77d
[INFO] running `Command { std: "docker" "start" "-a" "c30acfb8e5f19f83bea52e262bb3c6ee890c47d6483bcbefdbb11dbf9e82e77d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signal_msg-6d08d9217af3fd49)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signal-msg
[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" "c30acfb8e5f19f83bea52e262bb3c6ee890c47d6483bcbefdbb11dbf9e82e77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30acfb8e5f19f83bea52e262bb3c6ee890c47d6483bcbefdbb11dbf9e82e77d", kill_on_drop: false }`
[INFO] [stdout] c30acfb8e5f19f83bea52e262bb3c6ee890c47d6483bcbefdbb11dbf9e82e77d