[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrosser%2Fhello-rust" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grosser/hello-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-106/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ca3f34af66e120903c7d3566a9ed95dc5ace552ffe311d40ee586c77e010680
[INFO] running `Command { std: "docker" "start" "-a" "2ca3f34af66e120903c7d3566a9ed95dc5ace552ffe311d40ee586c77e010680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ca3f34af66e120903c7d3566a9ed95dc5ace552ffe311d40ee586c77e010680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca3f34af66e120903c7d3566a9ed95dc5ace552ffe311d40ee586c77e010680", kill_on_drop: false }`
[INFO] [stdout] 2ca3f34af66e120903c7d3566a9ed95dc5ace552ffe311d40ee586c77e010680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59b1c0c9b91f9a691ca29b4158829cad658cdbcfead974f15cb77904d4dc8530
[INFO] running `Command { std: "docker" "start" "-a" "59b1c0c9b91f9a691ca29b4158829cad658cdbcfead974f15cb77904d4dc8530", 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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `t` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "59b1c0c9b91f9a691ca29b4158829cad658cdbcfead974f15cb77904d4dc8530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b1c0c9b91f9a691ca29b4158829cad658cdbcfead974f15cb77904d4dc8530", kill_on_drop: false }`
[INFO] [stdout] 59b1c0c9b91f9a691ca29b4158829cad658cdbcfead974f15cb77904d4dc8530