[INFO] updating cached repository scullionw/snake-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scullionw/snake-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scullionw/snake-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/scullionw/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scullionw/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scullionw/snake-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scullionw/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scullionw/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 449a5a35e1bd4e478d1c7f6ef8dffb33702ac7bf
[INFO] sha for GitHub repo scullionw/snake-rs: 449a5a35e1bd4e478d1c7f6ef8dffb33702ac7bf
[INFO] validating manifest of scullionw/snake-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scullionw/snake-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scullionw/snake-rs
[INFO] finished frobbing scullionw/snake-rs
[INFO] frobbed toml for scullionw/snake-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/scullionw/snake-rs/Cargo.toml
[INFO] started frobbing scullionw/snake-rs
[INFO] finished frobbing scullionw/snake-rs
[INFO] frobbed toml for scullionw/snake-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scullionw/snake-rs/Cargo.toml
[INFO] crate scullionw/snake-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scullionw/snake-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/scullionw/snake-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=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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] e21feb9579d7c43c7ecd0ec73dfcc3d9a0077e6a10d99dcd85e464f8840cd70e
[INFO] running `"docker" "start" "-a" "e21feb9579d7c43c7ecd0ec73dfcc3d9a0077e6a10d99dcd85e464f8840cd70e"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling twox-hash v1.1.1
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling lyon_geom v0.10.1
[INFO] [stderr]    Compiling derivative v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling nalgebra v0.14.4
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling lyon_path v0.10.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling rodio v0.7.0
[INFO] [stderr]    Compiling lyon v0.10.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx_window_sdl v0.8.0
[INFO] [stderr]    Compiling gfx_glyph v0.10.2
[INFO] [stderr]    Compiling ggez v0.4.4
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `"docker" "inspect" "e21feb9579d7c43c7ecd0ec73dfcc3d9a0077e6a10d99dcd85e464f8840cd70e"`
[INFO] running `"docker" "rm" "-f" "e21feb9579d7c43c7ecd0ec73dfcc3d9a0077e6a10d99dcd85e464f8840cd70e"`
[INFO] [stdout] e21feb9579d7c43c7ecd0ec73dfcc3d9a0077e6a10d99dcd85e464f8840cd70e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/scullionw/snake-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=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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b29b60fcb255a0e5df9871b4c0924e641efeed123f51f9a5c2debff67432c15
[INFO] running `"docker" "start" "-a" "4b29b60fcb255a0e5df9871b4c0924e641efeed123f51f9a5c2debff67432c15"`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "4b29b60fcb255a0e5df9871b4c0924e641efeed123f51f9a5c2debff67432c15"`
[INFO] running `"docker" "rm" "-f" "4b29b60fcb255a0e5df9871b4c0924e641efeed123f51f9a5c2debff67432c15"`
[INFO] [stdout] 4b29b60fcb255a0e5df9871b4c0924e641efeed123f51f9a5c2debff67432c15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/scullionw/snake-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=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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 7e3dc6191da04d157ab1996c2679970b59b6766365066482e754ed21c262100b
[INFO] running `"docker" "start" "-a" "7e3dc6191da04d157ab1996c2679970b59b6766365066482e754ed21c262100b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake-9e281d5d00c4f425
[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" "7e3dc6191da04d157ab1996c2679970b59b6766365066482e754ed21c262100b"`
[INFO] running `"docker" "rm" "-f" "7e3dc6191da04d157ab1996c2679970b59b6766365066482e754ed21c262100b"`
[INFO] [stdout] 7e3dc6191da04d157ab1996c2679970b59b6766365066482e754ed21c262100b