[INFO] cloning repository https://github.com/grosser/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grosser/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrosser%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrosser%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f204eda829b1f57b4cee2d0f32676972e04a794
[INFO] testing grosser/hello-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrosser%2Fhello-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grosser/hello-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grosser/hello-rust
[INFO] finished tweaking git repo https://github.com/grosser/hello-rust
[INFO] tweaked toml for git repo https://github.com/grosser/hello-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/grosser/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ee905375bb42f64878947bd8ecd0a93deafe0c365e3e2d5dc07ea3c15ef2b88
[INFO] running `Command { std: "docker" "start" "-a" "1ee905375bb42f64878947bd8ecd0a93deafe0c365e3e2d5dc07ea3c15ef2b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee905375bb42f64878947bd8ecd0a93deafe0c365e3e2d5dc07ea3c15ef2b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee905375bb42f64878947bd8ecd0a93deafe0c365e3e2d5dc07ea3c15ef2b88", kill_on_drop: false }`
[INFO] [stdout] 1ee905375bb42f64878947bd8ecd0a93deafe0c365e3e2d5dc07ea3c15ef2b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8bc6f1280d35a21f0a82bda17300c9841e29002d8db7524aa8752a38ed52933
[INFO] running `Command { std: "docker" "start" "-a" "f8bc6f1280d35a21f0a82bda17300c9841e29002d8db7524aa8752a38ed52933", kill_on_drop: false }`
[INFO] [stderr]    Compiling t v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `(`, `[`, or `{`, found `monster`
[INFO] [stdout]   --> src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |   describe! monster {
[INFO] [stdout]    |             ^^^^^^^ expected one of `(`, `[`, or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `t`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f8bc6f1280d35a21f0a82bda17300c9841e29002d8db7524aa8752a38ed52933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bc6f1280d35a21f0a82bda17300c9841e29002d8db7524aa8752a38ed52933", kill_on_drop: false }`
[INFO] [stdout] f8bc6f1280d35a21f0a82bda17300c9841e29002d8db7524aa8752a38ed52933