[INFO] updating cached repository https://github.com/terakun/homology_group
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 77705ed0dcb59dad6137e2eb4ef1ee7d8a240f1c
[INFO] testing terakun/homology_group against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakun%2Fhomology_group" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terakun/homology_group on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/terakun/homology_group
[INFO] finished tweaking git repo https://github.com/terakun/homology_group
[INFO] tweaked toml for git repo https://github.com/terakun/homology_group written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/terakun/homology_group already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a52d12eef158301143d1e18d1539cfe4eaa2cc84e2af82c810a52dd1e2aea1c7
[INFO] running `"docker" "start" "-a" "a52d12eef158301143d1e18d1539cfe4eaa2cc84e2af82c810a52dd1e2aea1c7"`
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling approx v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling nalgebra v0.16.4
[INFO] [stderr]    Compiling homology_group v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `from_chain`
[INFO] [stderr]    --> src/main.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn from_chain(chain: &Chain) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.88s
[INFO] running `"docker" "inspect" "a52d12eef158301143d1e18d1539cfe4eaa2cc84e2af82c810a52dd1e2aea1c7"`
[INFO] running `"docker" "rm" "-f" "a52d12eef158301143d1e18d1539cfe4eaa2cc84e2af82c810a52dd1e2aea1c7"`
[INFO] [stdout] a52d12eef158301143d1e18d1539cfe4eaa2cc84e2af82c810a52dd1e2aea1c7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba40f56eb74da78f4e24ff7e9bbd113eaa28b6236ec077928f885343babf6351
[INFO] running `"docker" "start" "-a" "ba40f56eb74da78f4e24ff7e9bbd113eaa28b6236ec077928f885343babf6351"`
[INFO] [stderr]    Compiling homology_group v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `from_chain`
[INFO] [stderr]    --> src/main.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn from_chain(chain: &Chain) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "ba40f56eb74da78f4e24ff7e9bbd113eaa28b6236ec077928f885343babf6351"`
[INFO] running `"docker" "rm" "-f" "ba40f56eb74da78f4e24ff7e9bbd113eaa28b6236ec077928f885343babf6351"`
[INFO] [stdout] ba40f56eb74da78f4e24ff7e9bbd113eaa28b6236ec077928f885343babf6351
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 513b51e24c4cc3e087d236ef22e5630ef26e2d2507a9e840d6637d37853dcacb
[INFO] running `"docker" "start" "-a" "513b51e24c4cc3e087d236ef22e5630ef26e2d2507a9e840d6637d37853dcacb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/homology_group-c94eeb8ba9b512c8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "513b51e24c4cc3e087d236ef22e5630ef26e2d2507a9e840d6637d37853dcacb"`
[INFO] running `"docker" "rm" "-f" "513b51e24c4cc3e087d236ef22e5630ef26e2d2507a9e840d6637d37853dcacb"`
[INFO] [stdout] 513b51e24c4cc3e087d236ef22e5630ef26e2d2507a9e840d6637d37853dcacb