Dec 17 13:55:42.938 INFO checking terakun/homology_group against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:55:42.938 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/terakun/homology_group:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:55:43.496 INFO [stdout] bde1177b37883216b37ca5fff33c56b2e7eb69e39a848b1bcc3c6f76ab8035cb
Dec 17 13:55:43.498 INFO running `"docker" "start" "-a" "bde1177b37883216b37ca5fff33c56b2e7eb69e39a848b1bcc3c6f76ab8035cb"`
Dec 17 13:55:45.044 INFO [stderr]    Compiling num-complex v0.2.0
Dec 17 13:55:45.044 INFO [stderr]    Compiling matrixmultiply v0.1.14
Dec 17 13:55:45.056 INFO [stderr]     Checking rand v0.5.5
Dec 17 13:55:45.056 INFO [stderr]     Checking approx v0.3.0
Dec 17 13:55:47.672 INFO [stderr]     Checking alga v0.7.2
Dec 17 13:55:47.672 INFO [stderr]     Checking num v0.2.0
Dec 17 13:55:51.688 INFO [stderr]     Checking nalgebra v0.16.4
Dec 17 13:56:23.018 INFO [stderr]     Checking homology_group v0.1.0 (/opt/crater/workdir)
Dec 17 13:56:23.856 INFO [stderr] warning: method is never used: `from_chain`
Dec 17 13:56:23.856 INFO [stderr]    --> src/main.rs:178:5
Dec 17 13:56:23.856 INFO [stderr]     |
Dec 17 13:56:23.856 INFO [stderr] 178 |     fn from_chain(chain: &Chain) -> Self {
Dec 17 13:56:23.856 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:56:23.856 INFO [stderr]     |
Dec 17 13:56:23.856 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 13:56:23.856 INFO [stderr] 
Dec 17 13:56:23.908 INFO [stderr] warning: method is never used: `from_chain`
Dec 17 13:56:23.908 INFO [stderr]    --> src/main.rs:178:5
Dec 17 13:56:23.908 INFO [stderr]     |
Dec 17 13:56:23.908 INFO [stderr] 178 |     fn from_chain(chain: &Chain) -> Self {
Dec 17 13:56:23.908 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:56:23.908 INFO [stderr]     |
Dec 17 13:56:23.908 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 13:56:23.908 INFO [stderr] 
Dec 17 13:56:23.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.00s
Dec 17 13:56:24.714 INFO running `"docker" "inspect" "bde1177b37883216b37ca5fff33c56b2e7eb69e39a848b1bcc3c6f76ab8035cb"`
Dec 17 13:56:24.936 INFO running `"docker" "rm" "-f" "bde1177b37883216b37ca5fff33c56b2e7eb69e39a848b1bcc3c6f76ab8035cb"`
Dec 17 13:56:25.228 INFO [stdout] bde1177b37883216b37ca5fff33c56b2e7eb69e39a848b1bcc3c6f76ab8035cb