[INFO] updating cached repository robinwhittleton/life_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robinwhittleton/life_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/robinwhittleton/life_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/robinwhittleton/life_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d41847ab1e12b20bbf2ca21a330ce33eae987b10
[INFO] sha for GitHub repo robinwhittleton/life_rs: d41847ab1e12b20bbf2ca21a330ce33eae987b10
[INFO] validating manifest of robinwhittleton/life_rs on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robinwhittleton/life_rs on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing robinwhittleton/life_rs
[INFO] finished frobbing robinwhittleton/life_rs
[INFO] frobbed toml for robinwhittleton/life_rs written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/robinwhittleton/life_rs/Cargo.toml
[INFO] started frobbing robinwhittleton/life_rs
[INFO] finished frobbing robinwhittleton/life_rs
[INFO] frobbed toml for robinwhittleton/life_rs written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/robinwhittleton/life_rs/Cargo.toml
[INFO] crate robinwhittleton/life_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/robinwhittleton/life_rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking robinwhittleton/life_rs against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-4/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/robinwhittleton/life_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c3a35698fe56375d92b9af8c2f0fd08e2a4dce0c2472327537b9ec326892baa
[INFO] running `"docker" "start" "-a" "4c3a35698fe56375d92b9af8c2f0fd08e2a4dce0c2472327537b9ec326892baa"`
[INFO] [stderr]     Checking pistoncore-input v0.10.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking glutin v0.5.2
[INFO] [stderr]     Checking pistoncore-window v0.17.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking pistoncore-event_loop v0.20.1
[INFO] [stderr]     Checking piston v0.20.1
[INFO] [stderr]     Checking image v0.9.1
[INFO] [stderr]     Checking piston-gfx_texture v0.14.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.27.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.24.0
[INFO] [stderr]     Checking piston_window v0.44.0
[INFO] [stderr]     Checking life_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `field_buffer`
[INFO] [stderr]   --> src/main.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 |   let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS];
[INFO] [stderr]    |           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_field_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/main.rs:34:66
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn draw(window: &mut PistonWindow, event: &piston_window::Event, field: &[bool]) {
[INFO] [stderr]    |                                                                  ^^^^^ help: consider prefixing with an underscore: `_field`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 |   let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS];
[INFO] [stderr]    |       ----^^^^^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field_buffer`
[INFO] [stderr]   --> src/main.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 |   let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS];
[INFO] [stderr]    |           ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_field_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/main.rs:34:66
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn draw(window: &mut PistonWindow, event: &piston_window::Event, field: &[bool]) {
[INFO] [stderr]    |                                                                  ^^^^^ help: consider prefixing with an underscore: `_field`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 |   let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS];
[INFO] [stderr]    |       ----^^^^^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.72s
[INFO] running `"docker" "inspect" "4c3a35698fe56375d92b9af8c2f0fd08e2a4dce0c2472327537b9ec326892baa"`
[INFO] running `"docker" "rm" "-f" "4c3a35698fe56375d92b9af8c2f0fd08e2a4dce0c2472327537b9ec326892baa"`
[INFO] [stdout] 4c3a35698fe56375d92b9af8c2f0fd08e2a4dce0c2472327537b9ec326892baa