[INFO] cloning repository https://github.com/neetbox/math-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neetbox/math-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneetbox%2Fmath-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneetbox%2Fmath-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60cf708ec37b712e58fc4b4228558a54184aa810
[INFO] checking neetbox/math-rs against try#9053a8ad740a9e131b53ea98acecf68cf79134fe for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneetbox%2Fmath-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neetbox/math-rs on toolchain 9053a8ad740a9e131b53ea98acecf68cf79134fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neetbox/math-rs
[INFO] finished tweaking git repo https://github.com/neetbox/math-rs
[INFO] tweaked toml for git repo https://github.com/neetbox/math-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/neetbox/math-rs 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" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "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 neetbox/math-rs against try#9053a8ad740a9e131b53ea98acecf68cf79134fe for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneetbox%2Fmath-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neetbox/math-rs on toolchain 9053a8ad740a9e131b53ea98acecf68cf79134fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neetbox/math-rs
[INFO] finished tweaking git repo https://github.com/neetbox/math-rs
[INFO] tweaked toml for git repo https://github.com/neetbox/math-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/neetbox/math-rs 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" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d95c88bbd287c7a9a0c538a7088f36d67af97443a51d96f7f75d0a974c0819
[INFO] running `Command { std: "docker" "start" "-a" "38d95c88bbd287c7a9a0c538a7088f36d67af97443a51d96f7f75d0a974c0819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d95c88bbd287c7a9a0c538a7088f36d67af97443a51d96f7f75d0a974c0819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d95c88bbd287c7a9a0c538a7088f36d67af97443a51d96f7f75d0a974c0819", kill_on_drop: false }`
[INFO] [stdout] 38d95c88bbd287c7a9a0c538a7088f36d67af97443a51d96f7f75d0a974c0819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9053a8ad740a9e131b53ea98acecf68cf79134fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd7e6d409ac8eb4f1d2185576316e9915c3cc42cc818516ce27ac5101552a58
[INFO] running `Command { std: "docker" "start" "-a" "efd7e6d409ac8eb4f1d2185576316e9915c3cc42cc818516ce27ac5101552a58", kill_on_drop: false }`
[INFO] [stderr]     Checking math-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `multiply` is never used
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Vector {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn multiply(&self, k: f64) -> Vector {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `multiply` is never used
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Vector {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn multiply(&self, k: f64) -> Vector {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "efd7e6d409ac8eb4f1d2185576316e9915c3cc42cc818516ce27ac5101552a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd7e6d409ac8eb4f1d2185576316e9915c3cc42cc818516ce27ac5101552a58", kill_on_drop: false }`
[INFO] [stdout] efd7e6d409ac8eb4f1d2185576316e9915c3cc42cc818516ce27ac5101552a58