[INFO] cloning repository https://github.com/julzhk/explore_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julzhk/explore_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulzhk%2Fexplore_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulzhk%2Fexplore_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0161a57109463888c4675c79bbbee235bb9b461
[INFO] testing julzhk/explore_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%2Fjulzhk%2Fexplore_rust" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julzhk/explore_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/julzhk/explore_rust
[INFO] finished tweaking git repo https://github.com/julzhk/explore_rust
[INFO] tweaked toml for git repo https://github.com/julzhk/explore_rust written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/julzhk/explore_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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 9b5f55c434cf816c89da1cbcd8b0a94b1473ca5aba41b78d7b256f459aa2c4d6
[INFO] running `Command { std: "docker" "start" "-a" "9b5f55c434cf816c89da1cbcd8b0a94b1473ca5aba41b78d7b256f459aa2c4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5f55c434cf816c89da1cbcd8b0a94b1473ca5aba41b78d7b256f459aa2c4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5f55c434cf816c89da1cbcd8b0a94b1473ca5aba41b78d7b256f459aa2c4d6", kill_on_drop: false }`
[INFO] [stdout] 9b5f55c434cf816c89da1cbcd8b0a94b1473ca5aba41b78d7b256f459aa2c4d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 05979ffd5f97c50066fac5e2d1d4a0728821d4df8dcbc4d804dec0f177e8caed
[INFO] running `Command { std: "docker" "start" "-a" "05979ffd5f97c50066fac5e2d1d4a0728821d4df8dcbc4d804dec0f177e8caed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.2
[INFO] [stderr]    Compiling rust_helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.80s
[INFO] running `Command { std: "docker" "inspect" "05979ffd5f97c50066fac5e2d1d4a0728821d4df8dcbc4d804dec0f177e8caed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05979ffd5f97c50066fac5e2d1d4a0728821d4df8dcbc4d804dec0f177e8caed", kill_on_drop: false }`
[INFO] [stdout] 05979ffd5f97c50066fac5e2d1d4a0728821d4df8dcbc4d804dec0f177e8caed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 4c0e92e309b2b92fe83db6ac084f4e7e1a9288d36335a83b4e5a17fc774254c2
[INFO] running `Command { std: "docker" "start" "-a" "4c0e92e309b2b92fe83db6ac084f4e7e1a9288d36335a83b4e5a17fc774254c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "4c0e92e309b2b92fe83db6ac084f4e7e1a9288d36335a83b4e5a17fc774254c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0e92e309b2b92fe83db6ac084f4e7e1a9288d36335a83b4e5a17fc774254c2", kill_on_drop: false }`
[INFO] [stdout] 4c0e92e309b2b92fe83db6ac084f4e7e1a9288d36335a83b4e5a17fc774254c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 344248f0c98ba22a544973739e15b50d2d4d501be127c4965e897f92e4396967
[INFO] running `Command { std: "docker" "start" "-a" "344248f0c98ba22a544973739e15b50d2d4d501be127c4965e897f92e4396967", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_helloworld-6b823885564b9251)
[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" "344248f0c98ba22a544973739e15b50d2d4d501be127c4965e897f92e4396967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344248f0c98ba22a544973739e15b50d2d4d501be127c4965e897f92e4396967", kill_on_drop: false }`
[INFO] [stdout] 344248f0c98ba22a544973739e15b50d2d4d501be127c4965e897f92e4396967