[INFO] updating cached repository kvark/plane-splitter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kvark/plane-splitter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kvark/plane-splitter" "work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/plane-splitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/plane-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kvark/plane-splitter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kvark/plane-splitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kvark/plane-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b231bff3967e205340343c05bfa6ad66126a46c
[INFO] sha for GitHub repo kvark/plane-splitter: 3b231bff3967e205340343c05bfa6ad66126a46c
[INFO] validating manifest of kvark/plane-splitter 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 kvark/plane-splitter 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 kvark/plane-splitter
[INFO] finished frobbing kvark/plane-splitter
[INFO] frobbed toml for kvark/plane-splitter written to work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/plane-splitter/Cargo.toml
[INFO] started frobbing kvark/plane-splitter
[INFO] finished frobbing kvark/plane-splitter
[INFO] frobbed toml for kvark/plane-splitter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kvark/plane-splitter/Cargo.toml
[INFO] crate kvark/plane-splitter 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 kvark/plane-splitter 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/plane-splitter:/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] 67423e78cd941d7b19cdb469e623d6b663e121915b0b719edcc8158d43517bd5
[INFO] running `"docker" "start" "-a" "67423e78cd941d7b19cdb469e623d6b663e121915b0b719edcc8158d43517bd5"`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling mint v0.2.0
[INFO] [stderr]    Compiling spin v0.4.9
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling mint v0.4.9
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling euclid v0.19.0
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling froggy v0.4.4
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling includedir v0.3.0
[INFO] [stderr]    Compiling cgmath v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling rusttype v0.3.0
[INFO] [stderr]    Compiling cpal v0.4.6
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling includedir_codegen v0.3.0
[INFO] [stderr]    Compiling plane-split v0.13.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling genmesh v0.5.0
[INFO] [stderr]    Compiling rodio v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling three v0.3.1
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling obj v0.8.2
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling ron v0.4.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx_window_glutin v0.20.0
[INFO] [stderr]    Compiling gfx_glyph v0.8.2
[INFO] [stderr] warning[E0502]: cannot borrow `mapping` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/three-0.3.1/src/factory/mod.rs:738:13
[INFO] [stderr]     |
[INFO] [stderr] 738 |               mapping[i] = Vertex {
[INFO] [stderr]     |               -^^^^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |  _____________mutable borrow occurs here
[INFO] [stderr]     | |
[INFO] [stderr] 739 | |                 pos: [pos.x, pos.y, pos.z, 1.0],
[INFO] [stderr] 740 | |                 .. mapping[i]
[INFO] [stderr]     | |                    ------- immutable borrow occurs here
[INFO] [stderr] 741 | |             };
[INFO] [stderr]     | |_____________- immutable 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 splitter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 let mut m = win.factory.mesh(geometry.clone(), mat);
[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 2m 32s
[INFO] running `"docker" "inspect" "67423e78cd941d7b19cdb469e623d6b663e121915b0b719edcc8158d43517bd5"`
[INFO] running `"docker" "rm" "-f" "67423e78cd941d7b19cdb469e623d6b663e121915b0b719edcc8158d43517bd5"`
[INFO] [stdout] 67423e78cd941d7b19cdb469e623d6b663e121915b0b719edcc8158d43517bd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/plane-splitter:/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] ec1ee48210dadc62ceac0456d51a58ba79b2628d9245fd1c7b6afe1045b3dd51
[INFO] running `"docker" "start" "-a" "ec1ee48210dadc62ceac0456d51a58ba79b2628d9245fd1c7b6afe1045b3dd51"`
[INFO] [stderr]    Compiling splitter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 let mut m = win.factory.mesh(geometry.clone(), mat);
[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 2.80s
[INFO] running `"docker" "inspect" "ec1ee48210dadc62ceac0456d51a58ba79b2628d9245fd1c7b6afe1045b3dd51"`
[INFO] running `"docker" "rm" "-f" "ec1ee48210dadc62ceac0456d51a58ba79b2628d9245fd1c7b6afe1045b3dd51"`
[INFO] [stdout] ec1ee48210dadc62ceac0456d51a58ba79b2628d9245fd1c7b6afe1045b3dd51
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kvark/plane-splitter:/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] 5c9ca85a186657a6f3eb2085362dd5fbbbdb6e543afeb9bd874ea9f624158ae7
[INFO] running `"docker" "start" "-a" "5c9ca85a186657a6f3eb2085362dd5fbbbdb6e543afeb9bd874ea9f624158ae7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/splitter-a3324a59c6f84d02
[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" "5c9ca85a186657a6f3eb2085362dd5fbbbdb6e543afeb9bd874ea9f624158ae7"`
[INFO] running `"docker" "rm" "-f" "5c9ca85a186657a6f3eb2085362dd5fbbbdb6e543afeb9bd874ea9f624158ae7"`
[INFO] [stdout] 5c9ca85a186657a6f3eb2085362dd5fbbbdb6e543afeb9bd874ea9f624158ae7