Dec 19 07:24:49.036 INFO checking terakun/homology_group against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:24:49.043 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:24:49.448 INFO [stdout] 721d5b08447915fab21e4c066129eac5eaee49d43f0a6b04c57940b57e3fc9e5
Dec 19 07:24:49.454 INFO running `"docker" "start" "-a" "721d5b08447915fab21e4c066129eac5eaee49d43f0a6b04c57940b57e3fc9e5"`
Dec 19 07:24:51.077 INFO [stderr]    Compiling num-complex v0.2.0
Dec 19 07:24:51.077 INFO [stderr]    Compiling num-bigint v0.2.0
Dec 19 07:24:51.094 INFO [stderr]     Checking rand v0.5.5
Dec 19 07:24:54.882 INFO [stderr]     Checking alga v0.7.2
Dec 19 07:24:56.613 INFO [stderr]     Checking num-rational v0.2.1
Dec 19 07:24:57.835 INFO [stderr]     Checking num v0.2.0
Dec 19 07:25:00.156 INFO [stderr]     Checking nalgebra v0.16.4
Dec 19 07:25:30.724 INFO [stderr]     Checking homology_group v0.1.0 (/opt/crater/workdir)
Dec 19 07:25:31.199 INFO [stderr] warning: method is never used: `from_chain`
Dec 19 07:25:31.199 INFO [stderr]    --> src/main.rs:178:5
Dec 19 07:25:31.199 INFO [stderr]     |
Dec 19 07:25:31.199 INFO [stderr] 178 |     fn from_chain(chain: &Chain) -> Self {
Dec 19 07:25:31.199 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:25:31.199 INFO [stderr]     |
Dec 19 07:25:31.199 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 07:25:31.199 INFO [stderr] 
Dec 19 07:25:31.396 INFO [stderr] warning: method is never used: `from_chain`
Dec 19 07:25:31.396 INFO [stderr]    --> src/main.rs:178:5
Dec 19 07:25:31.396 INFO [stderr]     |
Dec 19 07:25:31.396 INFO [stderr] 178 |     fn from_chain(chain: &Chain) -> Self {
Dec 19 07:25:31.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:25:31.396 INFO [stderr]     |
Dec 19 07:25:31.396 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 07:25:31.396 INFO [stderr] 
Dec 19 07:25:31.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.48s
Dec 19 07:25:32.034 INFO running `"docker" "inspect" "721d5b08447915fab21e4c066129eac5eaee49d43f0a6b04c57940b57e3fc9e5"`
Dec 19 07:25:32.481 INFO running `"docker" "rm" "-f" "721d5b08447915fab21e4c066129eac5eaee49d43f0a6b04c57940b57e3fc9e5"`
Dec 19 07:25:32.696 INFO [stdout] 721d5b08447915fab21e4c066129eac5eaee49d43f0a6b04c57940b57e3fc9e5