[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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/robinwhittleton/life_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robinwhittleton/life_rs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking robinwhittleton/life_rs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ded08c8dc87e73b6035addbcee4d93a3ed7d3470d1ea13b97abee8d0e745e767
[INFO] running `"docker" "start" "-a" "ded08c8dc87e73b6035addbcee4d93a3ed7d3470d1ea13b97abee8d0e745e767"`
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking piston-texture v0.4.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]     Checking draw_state v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling gl_generator v0.4.2
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking image v0.9.1
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]     Checking pistoncore-input v0.10.0
[INFO] [stderr]     Checking piston2d-graphics v0.16.0
[INFO] [stderr]     Checking gfx_core v0.2.1
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]     Checking pistoncore-window v0.17.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.20.1
[INFO] [stderr]     Checking piston v0.20.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking gfx v0.10.2
[INFO] [stderr]     Checking gfx_device_gl v0.9.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.24.0
[INFO] [stderr]     Checking piston-gfx_texture v0.14.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.27.0
[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 34.07s
[INFO] running `"docker" "inspect" "ded08c8dc87e73b6035addbcee4d93a3ed7d3470d1ea13b97abee8d0e745e767"`
[INFO] running `"docker" "rm" "-f" "ded08c8dc87e73b6035addbcee4d93a3ed7d3470d1ea13b97abee8d0e745e767"`
[INFO] [stdout] ded08c8dc87e73b6035addbcee4d93a3ed7d3470d1ea13b97abee8d0e745e767