[INFO] cloning repository https://github.com/tekerson/silent_killer.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tekerson/silent_killer.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekerson%2Fsilent_killer.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekerson%2Fsilent_killer.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bed00455e4c17bb6559489781bce2a96a4f18f05
[INFO] testing tekerson/silent_killer.rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekerson%2Fsilent_killer.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tekerson/silent_killer.rs 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 git repo https://github.com/tekerson/silent_killer.rs
[INFO] finished tweaking git repo https://github.com/tekerson/silent_killer.rs
[INFO] tweaked toml for git repo https://github.com/tekerson/silent_killer.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tekerson/silent_killer.rs 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a3faab17c6ef118c0be971071b9ab9c5accc68983c55c37b2bd9974ab0d77afa
[INFO] running `Command { std: "docker" "start" "-a" "a3faab17c6ef118c0be971071b9ab9c5accc68983c55c37b2bd9974ab0d77afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3faab17c6ef118c0be971071b9ab9c5accc68983c55c37b2bd9974ab0d77afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3faab17c6ef118c0be971071b9ab9c5accc68983c55c37b2bd9974ab0d77afa", kill_on_drop: false }`
[INFO] [stdout] a3faab17c6ef118c0be971071b9ab9c5accc68983c55c37b2bd9974ab0d77afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 46aca762852d5ca6cd320f6eca4e36c966a6677e4de87c5ece5ec9ca90d9adee
[INFO] running `Command { std: "docker" "start" "-a" "46aca762852d5ca6cd320f6eca4e36c966a6677e4de87c5ece5ec9ca90d9adee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling silent_killer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "46aca762852d5ca6cd320f6eca4e36c966a6677e4de87c5ece5ec9ca90d9adee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46aca762852d5ca6cd320f6eca4e36c966a6677e4de87c5ece5ec9ca90d9adee", kill_on_drop: false }`
[INFO] [stdout] 46aca762852d5ca6cd320f6eca4e36c966a6677e4de87c5ece5ec9ca90d9adee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6e46bf1765b83788382323688de61ea15d075ec05eacd93d1582076b22c619e9
[INFO] running `Command { std: "docker" "start" "-a" "6e46bf1765b83788382323688de61ea15d075ec05eacd93d1582076b22c619e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling silent_killer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "6e46bf1765b83788382323688de61ea15d075ec05eacd93d1582076b22c619e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e46bf1765b83788382323688de61ea15d075ec05eacd93d1582076b22c619e9", kill_on_drop: false }`
[INFO] [stdout] 6e46bf1765b83788382323688de61ea15d075ec05eacd93d1582076b22c619e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c62e5bc0ab4f8145ad3725a51387f26108be4da3848a6b6cf47516d3593c52ca
[INFO] running `Command { std: "docker" "start" "-a" "c62e5bc0ab4f8145ad3725a51387f26108be4da3848a6b6cf47516d3593c52ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silent_killer-d92c663fdfce551a)
[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" "c62e5bc0ab4f8145ad3725a51387f26108be4da3848a6b6cf47516d3593c52ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62e5bc0ab4f8145ad3725a51387f26108be4da3848a6b6cf47516d3593c52ca", kill_on_drop: false }`
[INFO] [stdout] c62e5bc0ab4f8145ad3725a51387f26108be4da3848a6b6cf47516d3593c52ca