[INFO] cloning repository robinwhittleton/life_rs
[INFO] running `"git" "clone" "--bare" "git://github.com/robinwhittleton/life_rs.git" "work/cache/sources/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/robinwhittleton/life_rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/robinwhittleton/life_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/robinwhittleton/life_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robinwhittleton/life_rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/robinwhittleton/life_rs/Cargo.toml
[INFO] crate robinwhittleton/life_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.17.0
[INFO] [stderr]   Downloaded piston_window v0.44.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.24.0
[INFO] [stderr]   Downloaded piston v0.20.1
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.20.1
[INFO] [stderr]   Downloaded pistoncore-input v0.10.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing robinwhittleton/life_rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/robinwhittleton/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] ce4289111bbb973851f015997b5b638992ffae9d45b68480c2ebd7c11d9d665a
[INFO] running `"docker" "start" "-a" "ce4289111bbb973851f015997b5b638992ffae9d45b68480c2ebd7c11d9d665a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling piston-texture v0.4.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling draw_state v0.4.0
[INFO] [stderr]    Compiling gif v0.8.0
[INFO] [stderr]    Compiling pistoncore-input v0.10.0
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling piston2d-graphics v0.16.0
[INFO] [stderr]    Compiling gfx_core v0.2.1
[INFO] [stderr]    Compiling pistoncore-window v0.17.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.20.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling piston v0.20.1
[INFO] [stderr]    Compiling image v0.9.1
[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/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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "ce4289111bbb973851f015997b5b638992ffae9d45b68480c2ebd7c11d9d665a"`
[INFO] running `"docker" "rm" "-f" "ce4289111bbb973851f015997b5b638992ffae9d45b68480c2ebd7c11d9d665a"`
[INFO] [stdout] ce4289111bbb973851f015997b5b638992ffae9d45b68480c2ebd7c11d9d665a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/robinwhittleton/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 17ee4bb08d64a2a1bbf4754193f1cef088fd0b503220d7b4f7240d91d90de167
[INFO] running `"docker" "start" "-a" "17ee4bb08d64a2a1bbf4754193f1cef088fd0b503220d7b4f7240d91d90de167"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "17ee4bb08d64a2a1bbf4754193f1cef088fd0b503220d7b4f7240d91d90de167"`
[INFO] running `"docker" "rm" "-f" "17ee4bb08d64a2a1bbf4754193f1cef088fd0b503220d7b4f7240d91d90de167"`
[INFO] [stdout] 17ee4bb08d64a2a1bbf4754193f1cef088fd0b503220d7b4f7240d91d90de167
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/robinwhittleton/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 918a51823ba82b06f140c60d1ea77cda76a7637118784e3f09fa5176cb739570
[INFO] running `"docker" "start" "-a" "918a51823ba82b06f140c60d1ea77cda76a7637118784e3f09fa5176cb739570"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/life_rs-6dde414dd3d88353
[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" "918a51823ba82b06f140c60d1ea77cda76a7637118784e3f09fa5176cb739570"`
[INFO] running `"docker" "rm" "-f" "918a51823ba82b06f140c60d1ea77cda76a7637118784e3f09fa5176cb739570"`
[INFO] [stdout] 918a51823ba82b06f140c60d1ea77cda76a7637118784e3f09fa5176cb739570