[INFO] updating cached repository https://github.com/Hayashi-Yudai/labtool_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a831840067b80db7065d077ef43582b532d17d5
[INFO] checking Hayashi-Yudai/labtool_rust against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHayashi-Yudai%2Flabtool_rust" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hayashi-Yudai/labtool_rust on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Hayashi-Yudai/labtool_rust
[INFO] finished tweaking git repo https://github.com/Hayashi-Yudai/labtool_rust
[INFO] tweaked toml for git repo https://github.com/Hayashi-Yudai/labtool_rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Hayashi-Yudai/labtool_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 295893a580b43fcec885684cbd67076f7cff070216f5335453b77096f016fc7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "295893a580b43fcec885684cbd67076f7cff070216f5335453b77096f016fc7e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking strength_reduce v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking rustfft v3.0.0
[INFO] [stderr]     Checking labtool_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rustfft::num_traits::Zero`
[INFO] [stderr]  --> src/conductivity/longitudinal.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rustfft::num_traits::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fft`
[INFO] [stderr]  --> src/conductivity/longitudinal.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn fft(input: &mut Vec<Complex<f32>>, output: &mut Vec<Complex<f32>>){
[INFO] [stderr]   |    ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `"docker" "inspect" "295893a580b43fcec885684cbd67076f7cff070216f5335453b77096f016fc7e"`
[INFO] running `"docker" "rm" "-f" "295893a580b43fcec885684cbd67076f7cff070216f5335453b77096f016fc7e"`
[INFO] [stdout] 295893a580b43fcec885684cbd67076f7cff070216f5335453b77096f016fc7e