[INFO] updating cached repository https://github.com/bertiespell/game_of_life_rust [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] c8557d453c859c9ecb61969cd14ceeb47ecdc1af [INFO] testing bertiespell/game_of_life_rust against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbertiespell%2Fgame_of_life_rust" "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/bertiespell/game_of_life_rust 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/bertiespell/game_of_life_rust [INFO] finished tweaking git repo https://github.com/bertiespell/game_of_life_rust [INFO] tweaked toml for git repo https://github.com/bertiespell/game_of_life_rust written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/bertiespell/game_of_life_rust 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] af31b93b2db03d25603f5710c1304a2830efa8a538367c6b02d28dd493758756 [INFO] running `"docker" "start" "-a" "af31b93b2db03d25603f5710c1304a2830efa8a538367c6b02d28dd493758756"` [INFO] [stderr] Compiling game_of_life v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Dead` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Dead [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | / self.cells.iter().map(|row| { [INFO] [stderr] 32 | | row.iter().map(|cell| fmt::write(f, format_args!("{}", cell))).collect::>(); [INFO] [stderr] 33 | | println!(); [INFO] [stderr] 34 | | }).collect::>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | row.iter().map(|cell| fmt::write(f, format_args!("{}", cell))).collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `"docker" "inspect" "af31b93b2db03d25603f5710c1304a2830efa8a538367c6b02d28dd493758756"` [INFO] running `"docker" "rm" "-f" "af31b93b2db03d25603f5710c1304a2830efa8a538367c6b02d28dd493758756"` [INFO] [stdout] af31b93b2db03d25603f5710c1304a2830efa8a538367c6b02d28dd493758756 [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] b96e1e8b2eeb7d37cc218dac02437d13bf61f7b43a7457d44f73bbec28c39943 [INFO] running `"docker" "start" "-a" "b96e1e8b2eeb7d37cc218dac02437d13bf61f7b43a7457d44f73bbec28c39943"` [INFO] [stderr] Compiling game_of_life v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Dead` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Dead [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | / self.cells.iter().map(|row| { [INFO] [stderr] 32 | | row.iter().map(|cell| fmt::write(f, format_args!("{}", cell))).collect::>(); [INFO] [stderr] 33 | | println!(); [INFO] [stderr] 34 | | }).collect::>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/main.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | row.iter().map(|cell| fmt::write(f, format_args!("{}", cell))).collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `"docker" "inspect" "b96e1e8b2eeb7d37cc218dac02437d13bf61f7b43a7457d44f73bbec28c39943"` [INFO] running `"docker" "rm" "-f" "b96e1e8b2eeb7d37cc218dac02437d13bf61f7b43a7457d44f73bbec28c39943"` [INFO] [stdout] b96e1e8b2eeb7d37cc218dac02437d13bf61f7b43a7457d44f73bbec28c39943 [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] 2c231be60a60795c4381bf3905a9cfb30fd518012228630df765aaacbca3a35d [INFO] running `"docker" "start" "-a" "2c231be60a60795c4381bf3905a9cfb30fd518012228630df765aaacbca3a35d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/game_of_life-476b801a19b9ff02 [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" "2c231be60a60795c4381bf3905a9cfb30fd518012228630df765aaacbca3a35d"` [INFO] running `"docker" "rm" "-f" "2c231be60a60795c4381bf3905a9cfb30fd518012228630df765aaacbca3a35d"` [INFO] [stdout] 2c231be60a60795c4381bf3905a9cfb30fd518012228630df765aaacbca3a35d