[INFO] cloning repository https://github.com/NAVYSHUNTA/graduate-school-rust-tdd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NAVYSHUNTA/graduate-school-rust-tdd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNAVYSHUNTA%2Fgraduate-school-rust-tdd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNAVYSHUNTA%2Fgraduate-school-rust-tdd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8caf8305d71d49242ff65ebc220e69b2dda3d41
[INFO] checking NAVYSHUNTA/graduate-school-rust-tdd against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNAVYSHUNTA%2Fgraduate-school-rust-tdd" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd
[INFO] finished tweaking git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd
[INFO] tweaked toml for git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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 NAVYSHUNTA/graduate-school-rust-tdd against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNAVYSHUNTA%2Fgraduate-school-rust-tdd" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd
[INFO] finished tweaking git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd
[INFO] tweaked toml for git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NAVYSHUNTA/graduate-school-rust-tdd 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afdbcbb2c770a298d7f2ab4e67271883ded64856f0f1a5a15b3999a2b7f548bf
[INFO] running `Command { std: "docker" "start" "-a" "afdbcbb2c770a298d7f2ab4e67271883ded64856f0f1a5a15b3999a2b7f548bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afdbcbb2c770a298d7f2ab4e67271883ded64856f0f1a5a15b3999a2b7f548bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdbcbb2c770a298d7f2ab4e67271883ded64856f0f1a5a15b3999a2b7f548bf", kill_on_drop: false }`
[INFO] [stdout] afdbcbb2c770a298d7f2ab4e67271883ded64856f0f1a5a15b3999a2b7f548bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98e230e4a9cae9dfded1c835025dbb15fd7c7f141847d29eb5eac80aebdb2360
[INFO] running `Command { std: "docker" "start" "-a" "98e230e4a9cae9dfded1c835025dbb15fd7c7f141847d29eb5eac80aebdb2360", kill_on_drop: false }`
[INFO] [stderr]     Checking graduate-school-rust-tdd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Dollar` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Dollar {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `times` is never used
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Dollar {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 11 |     fn times(&self, multiplier: i32) -> Dollar {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "98e230e4a9cae9dfded1c835025dbb15fd7c7f141847d29eb5eac80aebdb2360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e230e4a9cae9dfded1c835025dbb15fd7c7f141847d29eb5eac80aebdb2360", kill_on_drop: false }`
[INFO] [stdout] 98e230e4a9cae9dfded1c835025dbb15fd7c7f141847d29eb5eac80aebdb2360