[INFO] cloning repository https://github.com/endaaman/practice-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/endaaman/practice-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendaaman%2Fpractice-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendaaman%2Fpractice-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff2cf7acb71d698e6715f6d9219308b156c858db
[INFO] testing endaaman/practice-rust 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%2Fendaaman%2Fpractice-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/endaaman/practice-rust 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/endaaman/practice-rust
[INFO] finished tweaking git repo https://github.com/endaaman/practice-rust
[INFO] tweaked toml for git repo https://github.com/endaaman/practice-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/endaaman/practice-rust 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ce83bb71d74f0d1ec6e821f45076db9eb666afefee9aa470aa4495d23229fa4b
[INFO] running `Command { std: "docker" "start" "-a" "ce83bb71d74f0d1ec6e821f45076db9eb666afefee9aa470aa4495d23229fa4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce83bb71d74f0d1ec6e821f45076db9eb666afefee9aa470aa4495d23229fa4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce83bb71d74f0d1ec6e821f45076db9eb666afefee9aa470aa4495d23229fa4b", kill_on_drop: false }`
[INFO] [stdout] ce83bb71d74f0d1ec6e821f45076db9eb666afefee9aa470aa4495d23229fa4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bc17d40f324d1182fc3d7f3b9fad93b591d7ed3f17117cb87903b15f30f8b3e7
[INFO] running `Command { std: "docker" "start" "-a" "bc17d40f324d1182fc3d7f3b9fad93b591d7ed3f17117cb87903b15f30f8b3e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling practice-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "bc17d40f324d1182fc3d7f3b9fad93b591d7ed3f17117cb87903b15f30f8b3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc17d40f324d1182fc3d7f3b9fad93b591d7ed3f17117cb87903b15f30f8b3e7", kill_on_drop: false }`
[INFO] [stdout] bc17d40f324d1182fc3d7f3b9fad93b591d7ed3f17117cb87903b15f30f8b3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dfdf16cd95916aef8bdbadd985867b6c8f3b33d1cd3e172500f285d2313dc5c7
[INFO] running `Command { std: "docker" "start" "-a" "dfdf16cd95916aef8bdbadd985867b6c8f3b33d1cd3e172500f285d2313dc5c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "dfdf16cd95916aef8bdbadd985867b6c8f3b33d1cd3e172500f285d2313dc5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfdf16cd95916aef8bdbadd985867b6c8f3b33d1cd3e172500f285d2313dc5c7", kill_on_drop: false }`
[INFO] [stdout] dfdf16cd95916aef8bdbadd985867b6c8f3b33d1cd3e172500f285d2313dc5c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0b10ad80f9ec1ff81a7cccf103ba2b9df7725fc1eaa68295ad097ba5577ccd15
[INFO] running `Command { std: "docker" "start" "-a" "0b10ad80f9ec1ff81a7cccf103ba2b9df7725fc1eaa68295ad097ba5577ccd15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-c058e9afe12e4181)
[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" "0b10ad80f9ec1ff81a7cccf103ba2b9df7725fc1eaa68295ad097ba5577ccd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b10ad80f9ec1ff81a7cccf103ba2b9df7725fc1eaa68295ad097ba5577ccd15", kill_on_drop: false }`
[INFO] [stdout] 0b10ad80f9ec1ff81a7cccf103ba2b9df7725fc1eaa68295ad097ba5577ccd15