[INFO] cloning repository https://github.com/getbuguai/learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/getbuguai/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetbuguai%2Flearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetbuguai%2Flearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20910e09640a3707285449c64c7757b6510e059d
[INFO] testing getbuguai/learning_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgetbuguai%2Flearning_rust" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/getbuguai/learning_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/getbuguai/learning_rust
[INFO] finished tweaking git repo https://github.com/getbuguai/learning_rust
[INFO] tweaked toml for git repo https://github.com/getbuguai/learning_rust written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/getbuguai/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c788fb7b02b1f3fd07f1e2891fb74062d4c82fe85368429c617955849939154
[INFO] running `Command { std: "docker" "start" "-a" "8c788fb7b02b1f3fd07f1e2891fb74062d4c82fe85368429c617955849939154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c788fb7b02b1f3fd07f1e2891fb74062d4c82fe85368429c617955849939154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c788fb7b02b1f3fd07f1e2891fb74062d4c82fe85368429c617955849939154", kill_on_drop: false }`
[INFO] [stdout] 8c788fb7b02b1f3fd07f1e2891fb74062d4c82fe85368429c617955849939154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1dbb83734a6268315c4ebd43e9724b58aad01e684895784340e7b792ab0a7e
[INFO] running `Command { std: "docker" "start" "-a" "ff1dbb83734a6268315c4ebd43e9724b58aad01e684895784340e7b792ab0a7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.53s
[INFO] running `Command { std: "docker" "inspect" "ff1dbb83734a6268315c4ebd43e9724b58aad01e684895784340e7b792ab0a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1dbb83734a6268315c4ebd43e9724b58aad01e684895784340e7b792ab0a7e", kill_on_drop: false }`
[INFO] [stdout] ff1dbb83734a6268315c4ebd43e9724b58aad01e684895784340e7b792ab0a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 295f629f1d260b22c7739b4c99ff94c9fda242d17e9de47846377532050b7af4
[INFO] running `Command { std: "docker" "start" "-a" "295f629f1d260b22c7739b4c99ff94c9fda242d17e9de47846377532050b7af4", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "295f629f1d260b22c7739b4c99ff94c9fda242d17e9de47846377532050b7af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295f629f1d260b22c7739b4c99ff94c9fda242d17e9de47846377532050b7af4", kill_on_drop: false }`
[INFO] [stdout] 295f629f1d260b22c7739b4c99ff94c9fda242d17e9de47846377532050b7af4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d713dbcbdc8c5e74624400e24cdfa2ade98e73bcf2682bbe980d7f4802377fcc
[INFO] running `Command { std: "docker" "start" "-a" "d713dbcbdc8c5e74624400e24cdfa2ade98e73bcf2682bbe980d7f4802377fcc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust-ab06c4fca2311723)
[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" "d713dbcbdc8c5e74624400e24cdfa2ade98e73bcf2682bbe980d7f4802377fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d713dbcbdc8c5e74624400e24cdfa2ade98e73bcf2682bbe980d7f4802377fcc", kill_on_drop: false }`
[INFO] [stdout] d713dbcbdc8c5e74624400e24cdfa2ade98e73bcf2682bbe980d7f4802377fcc