[INFO] updating cached repository cplotter/conways_in_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cplotter/conways_in_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cplotter/conways_in_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/cplotter/conways_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cplotter/conways_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cplotter/conways_in_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cplotter/conways_in_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cplotter/conways_in_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17fca2ba0eddeb1ca8914326aa07b5aa1deff89c
[INFO] sha for GitHub repo cplotter/conways_in_rust: 17fca2ba0eddeb1ca8914326aa07b5aa1deff89c
[INFO] validating manifest of cplotter/conways_in_rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cplotter/conways_in_rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cplotter/conways_in_rust
[INFO] finished frobbing cplotter/conways_in_rust
[INFO] frobbed toml for cplotter/conways_in_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/cplotter/conways_in_rust/Cargo.toml
[INFO] started frobbing cplotter/conways_in_rust
[INFO] finished frobbing cplotter/conways_in_rust
[INFO] frobbed toml for cplotter/conways_in_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cplotter/conways_in_rust/Cargo.toml
[INFO] crate cplotter/conways_in_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cplotter/conways_in_rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cplotter/conways_in_rust:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7b9f376291829a053603f6359ee309647d6f8843f88b27a76110f12c4396435a
[INFO] running `"docker" "start" "-a" "7b9f376291829a053603f6359ee309647d6f8843f88b27a76110f12c4396435a"`
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling winit v0.17.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.48.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.34.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.52.0
[INFO] [stderr]    Compiling piston_window v0.81.0
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `next_grid`
[INFO] [stderr]    --> src/main.rs:133:1
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn next_grid(dimension: (i32, i32), grid: &Vec<Vec<bool>>) -> Vec<Vec<bool>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `"docker" "inspect" "7b9f376291829a053603f6359ee309647d6f8843f88b27a76110f12c4396435a"`
[INFO] running `"docker" "rm" "-f" "7b9f376291829a053603f6359ee309647d6f8843f88b27a76110f12c4396435a"`
[INFO] [stdout] 7b9f376291829a053603f6359ee309647d6f8843f88b27a76110f12c4396435a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cplotter/conways_in_rust:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dedc036b9a5b6a55eaa1f0d42517a8b45460a5bcdf2fca4453a97a7f43a5da0d
[INFO] running `"docker" "start" "-a" "dedc036b9a5b6a55eaa1f0d42517a8b45460a5bcdf2fca4453a97a7f43a5da0d"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `next_grid`
[INFO] [stderr]    --> src/main.rs:133:1
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn next_grid(dimension: (i32, i32), grid: &Vec<Vec<bool>>) -> Vec<Vec<bool>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "dedc036b9a5b6a55eaa1f0d42517a8b45460a5bcdf2fca4453a97a7f43a5da0d"`
[INFO] running `"docker" "rm" "-f" "dedc036b9a5b6a55eaa1f0d42517a8b45460a5bcdf2fca4453a97a7f43a5da0d"`
[INFO] [stdout] dedc036b9a5b6a55eaa1f0d42517a8b45460a5bcdf2fca4453a97a7f43a5da0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cplotter/conways_in_rust:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2dd6b87f812c8e8bf8ce097dc3d97aeb7d5b8af304423da7f7bf3af7094e3fe5
[INFO] running `"docker" "start" "-a" "2dd6b87f812c8e8bf8ce097dc3d97aeb7d5b8af304423da7f7bf3af7094e3fe5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[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] [stderr]      Running /opt/crater/target/debug/deps/hello_world-50a63fd2d171681c
[INFO] running `"docker" "inspect" "2dd6b87f812c8e8bf8ce097dc3d97aeb7d5b8af304423da7f7bf3af7094e3fe5"`
[INFO] running `"docker" "rm" "-f" "2dd6b87f812c8e8bf8ce097dc3d97aeb7d5b8af304423da7f7bf3af7094e3fe5"`
[INFO] [stdout] 2dd6b87f812c8e8bf8ce097dc3d97aeb7d5b8af304423da7f7bf3af7094e3fe5