[INFO] updating cached repository https://github.com/robinwhittleton/life_rs
[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] d41847ab1e12b20bbf2ca21a330ce33eae987b10
[INFO] testing robinwhittleton/life_rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobinwhittleton%2Flife_rs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robinwhittleton/life_rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/robinwhittleton/life_rs
[INFO] finished tweaking git repo https://github.com/robinwhittleton/life_rs
[INFO] tweaked toml for git repo https://github.com/robinwhittleton/life_rs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/robinwhittleton/life_rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ced6027f4f2a866f8252e11b75d5bda8c6e8383ede90d798ecd7c7d581c3b22e
[INFO] running `"docker" "start" "-a" "ced6027f4f2a866f8252e11b75d5bda8c6e8383ede90d798ecd7c7d581c3b22e"`
[INFO] [stderr]    Compiling draw_state v0.4.0
[INFO] [stderr]    Compiling pistoncore-input v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling gfx_core v0.2.1
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]    Compiling pistoncore-window v0.17.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling pistoncore-event_loop v0.20.1
[INFO] [stderr]    Compiling image v0.9.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling piston v0.20.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling gfx v0.10.2
[INFO] [stderr]    Compiling gfx_device_gl v0.9.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.24.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.14.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.27.0
[INFO] [stderr]    Compiling piston_window v0.44.0
[INFO] [stderr]    Compiling life_rs v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 35.64s
[INFO] running `"docker" "inspect" "ced6027f4f2a866f8252e11b75d5bda8c6e8383ede90d798ecd7c7d581c3b22e"`
[INFO] running `"docker" "rm" "-f" "ced6027f4f2a866f8252e11b75d5bda8c6e8383ede90d798ecd7c7d581c3b22e"`
[INFO] [stdout] ced6027f4f2a866f8252e11b75d5bda8c6e8383ede90d798ecd7c7d581c3b22e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f74a7f93dc9e853b55df84746c6fee28aa26ad2741948e47603d90a45a2b20ee
[INFO] running `"docker" "start" "-a" "f74a7f93dc9e853b55df84746c6fee28aa26ad2741948e47603d90a45a2b20ee"`
[INFO] [stderr]    Compiling life_rs v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "f74a7f93dc9e853b55df84746c6fee28aa26ad2741948e47603d90a45a2b20ee"`
[INFO] running `"docker" "rm" "-f" "f74a7f93dc9e853b55df84746c6fee28aa26ad2741948e47603d90a45a2b20ee"`
[INFO] [stdout] f74a7f93dc9e853b55df84746c6fee28aa26ad2741948e47603d90a45a2b20ee
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ed324324f0d135ba16091f86907e466651431100849d0095283893383909fead
[INFO] running `"docker" "start" "-a" "ed324324f0d135ba16091f86907e466651431100849d0095283893383909fead"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/life_rs-23d575048bfc4b91
[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" "ed324324f0d135ba16091f86907e466651431100849d0095283893383909fead"`
[INFO] running `"docker" "rm" "-f" "ed324324f0d135ba16091f86907e466651431100849d0095283893383909fead"`
[INFO] [stdout] ed324324f0d135ba16091f86907e466651431100849d0095283893383909fead