[INFO] cloning repository https://github.com/lukewilliamboswell/roc-plugin-experiment-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukewilliamboswell/roc-plugin-experiment-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-plugin-experiment-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-plugin-experiment-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53ee6411758932e97179c0fae5f81c6d39200de0
[INFO] checking lukewilliamboswell/roc-plugin-experiment-rust against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-plugin-experiment-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust
[INFO] finished tweaking git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust
[INFO] tweaked toml for git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/roc-lang/roc.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lukewilliamboswell/roc-plugin-experiment-rust against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukewilliamboswell%2Froc-plugin-experiment-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust
[INFO] finished tweaking git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust
[INFO] tweaked toml for git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukewilliamboswell/roc-plugin-experiment-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 151a2eb06727961b6f52cc10fd9ebdcd0edd4539a82996c29ce9e3a9f06dd43c
[INFO] running `Command { std: "docker" "start" "-a" "151a2eb06727961b6f52cc10fd9ebdcd0edd4539a82996c29ce9e3a9f06dd43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "151a2eb06727961b6f52cc10fd9ebdcd0edd4539a82996c29ce9e3a9f06dd43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151a2eb06727961b6f52cc10fd9ebdcd0edd4539a82996c29ce9e3a9f06dd43c", kill_on_drop: false }`
[INFO] [stdout] 151a2eb06727961b6f52cc10fd9ebdcd0edd4539a82996c29ce9e3a9f06dd43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ebbb2d2f7e4ab572e0e72b6d43a87e404afa2f7b0390211af26cd3f74da2a2
[INFO] running `Command { std: "docker" "start" "-a" "42ebbb2d2f7e4ab572e0e72b6d43a87e404afa2f7b0390211af26cd3f74da2a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking roc_std v0.0.1 (https://github.com/roc-lang/roc.git#9678046d)
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]     Checking example-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "42ebbb2d2f7e4ab572e0e72b6d43a87e404afa2f7b0390211af26cd3f74da2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ebbb2d2f7e4ab572e0e72b6d43a87e404afa2f7b0390211af26cd3f74da2a2", kill_on_drop: false }`
[INFO] [stdout] 42ebbb2d2f7e4ab572e0e72b6d43a87e404afa2f7b0390211af26cd3f74da2a2