[INFO] cloning repository https://github.com/marckraw/rust-for-typescript-developers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marckraw/rust-for-typescript-developers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarckraw%2Frust-for-typescript-developers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarckraw%2Frust-for-typescript-developers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc7eb4fbcadfefa9c7bc3e9f14c16b0f186277a8
[INFO] checking marckraw/rust-for-typescript-developers against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarckraw%2Frust-for-typescript-developers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marckraw/rust-for-typescript-developers on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marckraw/rust-for-typescript-developers
[INFO] finished tweaking git repo https://github.com/marckraw/rust-for-typescript-developers
[INFO] tweaked toml for git repo https://github.com/marckraw/rust-for-typescript-developers written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/marckraw/rust-for-typescript-developers 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking marckraw/rust-for-typescript-developers against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarckraw%2Frust-for-typescript-developers" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marckraw/rust-for-typescript-developers on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marckraw/rust-for-typescript-developers
[INFO] finished tweaking git repo https://github.com/marckraw/rust-for-typescript-developers
[INFO] tweaked toml for git repo https://github.com/marckraw/rust-for-typescript-developers written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/marckraw/rust-for-typescript-developers 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d7a41cd6ae5b2c33b4dbdee3486e971d3664cdd4fbcd4d1312f9842aae28d7
[INFO] running `Command { std: "docker" "start" "-a" "b5d7a41cd6ae5b2c33b4dbdee3486e971d3664cdd4fbcd4d1312f9842aae28d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d7a41cd6ae5b2c33b4dbdee3486e971d3664cdd4fbcd4d1312f9842aae28d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d7a41cd6ae5b2c33b4dbdee3486e971d3664cdd4fbcd4d1312f9842aae28d7", kill_on_drop: false }`
[INFO] [stdout] b5d7a41cd6ae5b2c33b4dbdee3486e971d3664cdd4fbcd4d1312f9842aae28d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0218a9cb76c88c4330eb21ec6c46dfe32d474d31546433bac2d3afbdade3b6
[INFO] running `Command { std: "docker" "start" "-a" "8e0218a9cb76c88c4330eb21ec6c46dfe32d474d31546433bac2d3afbdade3b6", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-for-typescript-developers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let bar = foo.unwrap(); // takes a value form foo (even if it can be undefined, dangerous)
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_bar`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let bar = foo.unwrap(); // takes a value form foo (even if it can be undefined, dangerous)
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_bar`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "8e0218a9cb76c88c4330eb21ec6c46dfe32d474d31546433bac2d3afbdade3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0218a9cb76c88c4330eb21ec6c46dfe32d474d31546433bac2d3afbdade3b6", kill_on_drop: false }`
[INFO] [stdout] 8e0218a9cb76c88c4330eb21ec6c46dfe32d474d31546433bac2d3afbdade3b6