[INFO] cloning repository https://github.com/takumi34/rust-fizz-buzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takumi34/rust-fizz-buzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumi34%2Frust-fizz-buzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumi34%2Frust-fizz-buzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2284ca273afc1da422787a14c4d903ad7f66b046
[INFO] testing takumi34/rust-fizz-buzz against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakumi34%2Frust-fizz-buzz" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takumi34/rust-fizz-buzz 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/takumi34/rust-fizz-buzz
[INFO] finished tweaking git repo https://github.com/takumi34/rust-fizz-buzz
[INFO] tweaked toml for git repo https://github.com/takumi34/rust-fizz-buzz written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/takumi34/rust-fizz-buzz 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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 5620aeca0f8ac6db2dc5f9594160850c9000047d8cc11761d49dbdebc79996cc
[INFO] running `Command { std: "docker" "start" "-a" "5620aeca0f8ac6db2dc5f9594160850c9000047d8cc11761d49dbdebc79996cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5620aeca0f8ac6db2dc5f9594160850c9000047d8cc11761d49dbdebc79996cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5620aeca0f8ac6db2dc5f9594160850c9000047d8cc11761d49dbdebc79996cc", kill_on_drop: false }`
[INFO] [stdout] 5620aeca0f8ac6db2dc5f9594160850c9000047d8cc11761d49dbdebc79996cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 775471cf7a775e08019400abfadde3e53f5f28477bb571b7a8f1e36f89b5ea29
[INFO] running `Command { std: "docker" "start" "-a" "775471cf7a775e08019400abfadde3e53f5f28477bb571b7a8f1e36f89b5ea29", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz-buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "775471cf7a775e08019400abfadde3e53f5f28477bb571b7a8f1e36f89b5ea29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775471cf7a775e08019400abfadde3e53f5f28477bb571b7a8f1e36f89b5ea29", kill_on_drop: false }`
[INFO] [stdout] 775471cf7a775e08019400abfadde3e53f5f28477bb571b7a8f1e36f89b5ea29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 1c26f915f5d5fc7e4df9b5ba959cd4a1f1bdf936309319525a8e118fd7637c75
[INFO] running `Command { std: "docker" "start" "-a" "1c26f915f5d5fc7e4df9b5ba959cd4a1f1bdf936309319525a8e118fd7637c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz-buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "1c26f915f5d5fc7e4df9b5ba959cd4a1f1bdf936309319525a8e118fd7637c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c26f915f5d5fc7e4df9b5ba959cd4a1f1bdf936309319525a8e118fd7637c75", kill_on_drop: false }`
[INFO] [stdout] 1c26f915f5d5fc7e4df9b5ba959cd4a1f1bdf936309319525a8e118fd7637c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 9fc5e6d2c4bfc3ff741f6284fbbc29db8c712758ef7f8fee8bd5b2a62e447835
[INFO] running `Command { std: "docker" "start" "-a" "9fc5e6d2c4bfc3ff741f6284fbbc29db8c712758ef7f8fee8bd5b2a62e447835", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizz_buzz-3057ee1c08ae704f)
[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" "9fc5e6d2c4bfc3ff741f6284fbbc29db8c712758ef7f8fee8bd5b2a62e447835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc5e6d2c4bfc3ff741f6284fbbc29db8c712758ef7f8fee8bd5b2a62e447835", kill_on_drop: false }`
[INFO] [stdout] 9fc5e6d2c4bfc3ff741f6284fbbc29db8c712758ef7f8fee8bd5b2a62e447835