[INFO] updating cached repository msifd/game-of-life-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/msifd/game-of-life-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/msifd/game-of-life-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/msifd/game-of-life-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/msifd/game-of-life-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/msifd/game-of-life-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/msifd/game-of-life-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/msifd/game-of-life-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 996f17aa7e33561e079dddb7d736881f787a8485
[INFO] sha for GitHub repo msifd/game-of-life-rs: 996f17aa7e33561e079dddb7d736881f787a8485
[INFO] validating manifest of msifd/game-of-life-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of msifd/game-of-life-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing msifd/game-of-life-rs
[INFO] finished frobbing msifd/game-of-life-rs
[INFO] frobbed toml for msifd/game-of-life-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/msifd/game-of-life-rs/Cargo.toml
[INFO] started frobbing msifd/game-of-life-rs
[INFO] finished frobbing msifd/game-of-life-rs
[INFO] frobbed toml for msifd/game-of-life-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/msifd/game-of-life-rs/Cargo.toml
[INFO] crate msifd/game-of-life-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing msifd/game-of-life-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/msifd/game-of-life-rs:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 82d826e7277135d45d6300f69787e718d0f1b4393de694bac16ad9f7457c9816
[INFO] running `"docker" "start" "-a" "82d826e7277135d45d6300f69787e718d0f1b4393de694bac16ad9f7457c9816"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]    Compiling life_game_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stderr]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stderr]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `"docker" "inspect" "82d826e7277135d45d6300f69787e718d0f1b4393de694bac16ad9f7457c9816"`
[INFO] running `"docker" "rm" "-f" "82d826e7277135d45d6300f69787e718d0f1b4393de694bac16ad9f7457c9816"`
[INFO] [stdout] 82d826e7277135d45d6300f69787e718d0f1b4393de694bac16ad9f7457c9816
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/msifd/game-of-life-rs:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8ddc63505b1aa4983224c6e3c02da1dd0edece7d75bfa7d2cafb7beec743a3d1
[INFO] running `"docker" "start" "-a" "8ddc63505b1aa4983224c6e3c02da1dd0edece7d75bfa7d2cafb7beec743a3d1"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]    Compiling life_game_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stderr]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/render.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stderr]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "8ddc63505b1aa4983224c6e3c02da1dd0edece7d75bfa7d2cafb7beec743a3d1"`
[INFO] running `"docker" "rm" "-f" "8ddc63505b1aa4983224c6e3c02da1dd0edece7d75bfa7d2cafb7beec743a3d1"`
[INFO] [stdout] 8ddc63505b1aa4983224c6e3c02da1dd0edece7d75bfa7d2cafb7beec743a3d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/msifd/game-of-life-rs:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 7428d9150035330d2bdda8cef802a8f8c797e4f6e31d1dcd987d27531c7105f1
[INFO] running `"docker" "start" "-a" "7428d9150035330d2bdda8cef802a8f8c797e4f6e31d1dcd987d27531c7105f1"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/main.rs
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/life_game_rs-5506e6820f40b375
[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] [stderr]      Running /opt/crater/target/debug/deps/life_game_rs-351b5bc0a459bae0
[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] [stderr]    Doc-tests life_game_rs
[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" "7428d9150035330d2bdda8cef802a8f8c797e4f6e31d1dcd987d27531c7105f1"`
[INFO] running `"docker" "rm" "-f" "7428d9150035330d2bdda8cef802a8f8c797e4f6e31d1dcd987d27531c7105f1"`
[INFO] [stdout] 7428d9150035330d2bdda8cef802a8f8c797e4f6e31d1dcd987d27531c7105f1