[INFO] cloning repository https://github.com/isso0424/rust-prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isso0424/rust-prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisso0424%2Frust-prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisso0424%2Frust-prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eafcce1d53e1a407b8fcd653c32beef78aabca65
[INFO] testing isso0424/rust-prac against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisso0424%2Frust-prac" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isso0424/rust-prac 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 git repo https://github.com/isso0424/rust-prac
[INFO] finished tweaking git repo https://github.com/isso0424/rust-prac
[INFO] tweaked toml for git repo https://github.com/isso0424/rust-prac written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/isso0424/rust-prac 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 37b745081ccc8106db9cdd471791cc51e88302ac96962ea582cc963aaa6293d6
[INFO] running `Command { std: "docker" "start" "-a" "37b745081ccc8106db9cdd471791cc51e88302ac96962ea582cc963aaa6293d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b745081ccc8106db9cdd471791cc51e88302ac96962ea582cc963aaa6293d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b745081ccc8106db9cdd471791cc51e88302ac96962ea582cc963aaa6293d6", kill_on_drop: false }`
[INFO] [stdout] 37b745081ccc8106db9cdd471791cc51e88302ac96962ea582cc963aaa6293d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] dfea169e0a53e6b0c6be35c1fa7b40762fbb2522cb360d0f00cb969f2be6f497
[INFO] running `Command { std: "docker" "start" "-a" "dfea169e0a53e6b0c6be35c1fa7b40762fbb2522cb360d0f00cb969f2be6f497", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "dfea169e0a53e6b0c6be35c1fa7b40762fbb2522cb360d0f00cb969f2be6f497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfea169e0a53e6b0c6be35c1fa7b40762fbb2522cb360d0f00cb969f2be6f497", kill_on_drop: false }`
[INFO] [stdout] dfea169e0a53e6b0c6be35c1fa7b40762fbb2522cb360d0f00cb969f2be6f497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 6e3cbea3e8978d87398866a076cde0e3f37b74eba3664d2ef43f4378ffd2ee14
[INFO] running `Command { std: "docker" "start" "-a" "6e3cbea3e8978d87398866a076cde0e3f37b74eba3664d2ef43f4378ffd2ee14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "6e3cbea3e8978d87398866a076cde0e3f37b74eba3664d2ef43f4378ffd2ee14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3cbea3e8978d87398866a076cde0e3f37b74eba3664d2ef43f4378ffd2ee14", kill_on_drop: false }`
[INFO] [stdout] 6e3cbea3e8978d87398866a076cde0e3f37b74eba3664d2ef43f4378ffd2ee14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] c12c166bf8400b7d58732e03ddef2e88ce3ea025ff972d5206393f7533edd43c
[INFO] running `Command { std: "docker" "start" "-a" "c12c166bf8400b7d58732e03ddef2e88ce3ea025ff972d5206393f7533edd43c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_prac-e7f2204b669a2dd5)
[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" "c12c166bf8400b7d58732e03ddef2e88ce3ea025ff972d5206393f7533edd43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12c166bf8400b7d58732e03ddef2e88ce3ea025ff972d5206393f7533edd43c", kill_on_drop: false }`
[INFO] [stdout] c12c166bf8400b7d58732e03ddef2e88ce3ea025ff972d5206393f7533edd43c