[INFO] cloning repository https://github.com/xuweizhan/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xuweizhan/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuweizhan%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuweizhan%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5eea0b7133af6c2be724cba3a554e8b7dd6fb15
[INFO] testing xuweizhan/rust_study against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuweizhan%2Frust_study" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xuweizhan/rust_study 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/xuweizhan/rust_study
[INFO] finished tweaking git repo https://github.com/xuweizhan/rust_study
[INFO] tweaked toml for git repo https://github.com/xuweizhan/rust_study written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/xuweizhan/rust_study 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 58b66c97acd90d32aaef3659e9d7634de8eef781f1958a470ea95ff7cdc20e39
[INFO] running `Command { std: "docker" "start" "-a" "58b66c97acd90d32aaef3659e9d7634de8eef781f1958a470ea95ff7cdc20e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b66c97acd90d32aaef3659e9d7634de8eef781f1958a470ea95ff7cdc20e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b66c97acd90d32aaef3659e9d7634de8eef781f1958a470ea95ff7cdc20e39", kill_on_drop: false }`
[INFO] [stdout] 58b66c97acd90d32aaef3659e9d7634de8eef781f1958a470ea95ff7cdc20e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 9774e6746b3806a654e22eea4a420f7e94a9f2ad73ce39ce90e6a6b3f8be505f
[INFO] running `Command { std: "docker" "start" "-a" "9774e6746b3806a654e22eea4a420f7e94a9f2ad73ce39ce90e6a6b3f8be505f", kill_on_drop: false }`
[INFO] [stderr]    Compiling study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9774e6746b3806a654e22eea4a420f7e94a9f2ad73ce39ce90e6a6b3f8be505f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9774e6746b3806a654e22eea4a420f7e94a9f2ad73ce39ce90e6a6b3f8be505f", kill_on_drop: false }`
[INFO] [stdout] 9774e6746b3806a654e22eea4a420f7e94a9f2ad73ce39ce90e6a6b3f8be505f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 778724ec8c6b719404e9073a56347ec3644adea78bcc82283a6be0161d3deeb8
[INFO] running `Command { std: "docker" "start" "-a" "778724ec8c6b719404e9073a56347ec3644adea78bcc82283a6be0161d3deeb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "778724ec8c6b719404e9073a56347ec3644adea78bcc82283a6be0161d3deeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778724ec8c6b719404e9073a56347ec3644adea78bcc82283a6be0161d3deeb8", kill_on_drop: false }`
[INFO] [stdout] 778724ec8c6b719404e9073a56347ec3644adea78bcc82283a6be0161d3deeb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] e1ad9509dbce53d45c691428389e2f676f063f2fe0559e9f6afe626c722147df
[INFO] running `Command { std: "docker" "start" "-a" "e1ad9509dbce53d45c691428389e2f676f063f2fe0559e9f6afe626c722147df", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/study-8cee4c5b8e783650)
[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" "e1ad9509dbce53d45c691428389e2f676f063f2fe0559e9f6afe626c722147df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ad9509dbce53d45c691428389e2f676f063f2fe0559e9f6afe626c722147df", kill_on_drop: false }`
[INFO] [stdout] e1ad9509dbce53d45c691428389e2f676f063f2fe0559e9f6afe626c722147df