[INFO] cloning repository https://github.com/zhangshuyx/rust_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangshuyx/rust_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Frust_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Frust_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61d68b489e7e561efea6469cf6ba27ef2c99e3b3
[INFO] testing zhangshuyx/rust_bug against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangshuyx%2Frust_bug" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangshuyx/rust_bug 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/zhangshuyx/rust_bug
[INFO] finished tweaking git repo https://github.com/zhangshuyx/rust_bug
[INFO] tweaked toml for git repo https://github.com/zhangshuyx/rust_bug written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/zhangshuyx/rust_bug 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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 0cfa455ab22e059cbaf5a4876a6e7dd0b56b7126c8a00874660c4f7493b0e697
[INFO] running `Command { std: "docker" "start" "-a" "0cfa455ab22e059cbaf5a4876a6e7dd0b56b7126c8a00874660c4f7493b0e697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cfa455ab22e059cbaf5a4876a6e7dd0b56b7126c8a00874660c4f7493b0e697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfa455ab22e059cbaf5a4876a6e7dd0b56b7126c8a00874660c4f7493b0e697", kill_on_drop: false }`
[INFO] [stdout] 0cfa455ab22e059cbaf5a4876a6e7dd0b56b7126c8a00874660c4f7493b0e697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] d488b6124be0567100f8e452173fbbb9842a8113ccf434442074c1df5b0ce77d
[INFO] running `Command { std: "docker" "start" "-a" "d488b6124be0567100f8e452173fbbb9842a8113ccf434442074c1df5b0ce77d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "d488b6124be0567100f8e452173fbbb9842a8113ccf434442074c1df5b0ce77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d488b6124be0567100f8e452173fbbb9842a8113ccf434442074c1df5b0ce77d", kill_on_drop: false }`
[INFO] [stdout] d488b6124be0567100f8e452173fbbb9842a8113ccf434442074c1df5b0ce77d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 4170ad3a16397e56e26e3f88fb519718a14438fb435ed92172d004b0014ceed1
[INFO] running `Command { std: "docker" "start" "-a" "4170ad3a16397e56e26e3f88fb519718a14438fb435ed92172d004b0014ceed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "4170ad3a16397e56e26e3f88fb519718a14438fb435ed92172d004b0014ceed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4170ad3a16397e56e26e3f88fb519718a14438fb435ed92172d004b0014ceed1", kill_on_drop: false }`
[INFO] [stdout] 4170ad3a16397e56e26e3f88fb519718a14438fb435ed92172d004b0014ceed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 7110c758931285c606f92a0c44099be9a8c8ef06a36fc52f327d7e1b7f5308c8
[INFO] running `Command { std: "docker" "start" "-a" "7110c758931285c606f92a0c44099be9a8c8ef06a36fc52f327d7e1b7f5308c8", 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_bug-5adf017dae49cca7)
[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" "7110c758931285c606f92a0c44099be9a8c8ef06a36fc52f327d7e1b7f5308c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7110c758931285c606f92a0c44099be9a8c8ef06a36fc52f327d7e1b7f5308c8", kill_on_drop: false }`
[INFO] [stdout] 7110c758931285c606f92a0c44099be9a8c8ef06a36fc52f327d7e1b7f5308c8