[INFO] cloning repository https://github.com/lowellmower/ship_wreck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowellmower/ship_wreck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowellmower%2Fship_wreck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowellmower%2Fship_wreck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b4d7b6574c09fc6b7b3e105f934db2d2d26ef44
[INFO] checking lowellmower/ship_wreck against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowellmower%2Fship_wreck" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lowellmower/ship_wreck on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lowellmower/ship_wreck
[INFO] finished tweaking git repo https://github.com/lowellmower/ship_wreck
[INFO] tweaked toml for git repo https://github.com/lowellmower/ship_wreck written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lowellmower/ship_wreck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af1b0fd3e0d133f9f492f36e5858a096a4179e264b7700f7eb9489d3671c605
[INFO] running `Command { std: "docker" "start" "-a" "8af1b0fd3e0d133f9f492f36e5858a096a4179e264b7700f7eb9489d3671c605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af1b0fd3e0d133f9f492f36e5858a096a4179e264b7700f7eb9489d3671c605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af1b0fd3e0d133f9f492f36e5858a096a4179e264b7700f7eb9489d3671c605", kill_on_drop: false }`
[INFO] [stdout] 8af1b0fd3e0d133f9f492f36e5858a096a4179e264b7700f7eb9489d3671c605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 138e3ce07c543aaea90d0828f645b2687f7cddfbea8cf218e12c75bdb3f79fca
[INFO] running `Command { std: "docker" "start" "-a" "138e3ce07c543aaea90d0828f645b2687f7cddfbea8cf218e12c75bdb3f79fca", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking docker v0.1.0 (/opt/rustwide/workdir/docker)
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking config v0.1.0 (/opt/rustwide/workdir/config)
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> config/src/config.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     file: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `command`
[INFO] [stdout]   --> config/src/config.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     command: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ship_wreck v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "138e3ce07c543aaea90d0828f645b2687f7cddfbea8cf218e12c75bdb3f79fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138e3ce07c543aaea90d0828f645b2687f7cddfbea8cf218e12c75bdb3f79fca", kill_on_drop: false }`
[INFO] [stdout] 138e3ce07c543aaea90d0828f645b2687f7cddfbea8cf218e12c75bdb3f79fca