[INFO] cloning repository robbert-vdh/game-of-life
[INFO] running `"git" "clone" "--bare" "git://github.com/robbert-vdh/game-of-life.git" "work/cache/sources/gh/robbert-vdh/game-of-life"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/robbert-vdh/game-of-life'...
[INFO] running `"git" "clone" "work/cache/sources/gh/robbert-vdh/game-of-life" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/robbert-vdh/game-of-life"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/robbert-vdh/game-of-life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robbert-vdh/game-of-life" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/robbert-vdh/game-of-life"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/robbert-vdh/game-of-life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b1c6c1c10e13a76692ed41b8470f00922619cc5
[INFO] sha for GitHub repo robbert-vdh/game-of-life: 9b1c6c1c10e13a76692ed41b8470f00922619cc5
[INFO] validating manifest of robbert-vdh/game-of-life on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robbert-vdh/game-of-life on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing robbert-vdh/game-of-life
[INFO] finished frobbing robbert-vdh/game-of-life
[INFO] frobbed toml for robbert-vdh/game-of-life written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/robbert-vdh/game-of-life/Cargo.toml
[INFO] started frobbing robbert-vdh/game-of-life
[INFO] finished frobbing robbert-vdh/game-of-life
[INFO] frobbed toml for robbert-vdh/game-of-life written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/robbert-vdh/game-of-life/Cargo.toml
[INFO] crate robbert-vdh/game-of-life has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking robbert-vdh/game-of-life against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/robbert-vdh/game-of-life:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e29ec6375830445f8f366f4e3c5a1d75a77ca845181be5d7b41366d707e79163
[INFO] running `"docker" "start" "-a" "e29ec6375830445f8f366f4e3c5a1d75a77ca845181be5d7b41366d707e79163"`
[INFO] [stderr]     Checking rustc-demangle v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/bin/game.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     /// The amount of time since we've updated the simulation.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/bin/game.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     /// The amount of time since we've updated the simulation.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.90s
[INFO] running `"docker" "inspect" "e29ec6375830445f8f366f4e3c5a1d75a77ca845181be5d7b41366d707e79163"`
[INFO] running `"docker" "rm" "-f" "e29ec6375830445f8f366f4e3c5a1d75a77ca845181be5d7b41366d707e79163"`
[INFO] [stdout] e29ec6375830445f8f366f4e3c5a1d75a77ca845181be5d7b41366d707e79163