[INFO] updating cached repository https://github.com/kvark/plane-splitter
[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] 3b231bff3967e205340343c05bfa6ad66126a46c
[INFO] testing kvark/plane-splitter against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvark%2Fplane-splitter" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kvark/plane-splitter 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/kvark/plane-splitter
[INFO] finished tweaking git repo https://github.com/kvark/plane-splitter
[INFO] tweaked toml for git repo https://github.com/kvark/plane-splitter written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kvark/plane-splitter 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] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] efd984ce6bbc6a520c463eda69331d0686f637b0e295c43c5b683658acc4256f
[INFO] running `"docker" "start" "-a" "efd984ce6bbc6a520c463eda69331d0686f637b0e295c43c5b683658acc4256f"`
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling mint v0.2.0
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling spin v0.4.9
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling stb_truetype v0.2.4
[INFO] [stderr]    Compiling mint v0.4.9
[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 crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling froggy v0.4.4
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling cpal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling cgmath v0.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rusttype v0.3.0
[INFO] [stderr]    Compiling includedir v0.3.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling plane-split v0.13.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling includedir_codegen v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling three v0.3.1
[INFO] [stderr]    Compiling genmesh v0.5.0
[INFO] [stderr]    Compiling rodio v0.5.2
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling obj v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling ron v0.4.0
[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/rustwide/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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling splitter v0.1.0 (/opt/rustwide/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 1m 15s
[INFO] running `"docker" "inspect" "efd984ce6bbc6a520c463eda69331d0686f637b0e295c43c5b683658acc4256f"`
[INFO] running `"docker" "rm" "-f" "efd984ce6bbc6a520c463eda69331d0686f637b0e295c43c5b683658acc4256f"`
[INFO] [stdout] efd984ce6bbc6a520c463eda69331d0686f637b0e295c43c5b683658acc4256f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 4e6e504ee28b4066e0f211874cefda58d8eff259c4d859629d3ed7af869aabe7
[INFO] running `"docker" "start" "-a" "4e6e504ee28b4066e0f211874cefda58d8eff259c4d859629d3ed7af869aabe7"`
[INFO] [stderr]    Compiling splitter v0.1.0 (/opt/rustwide/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 2.79s
[INFO] running `"docker" "inspect" "4e6e504ee28b4066e0f211874cefda58d8eff259c4d859629d3ed7af869aabe7"`
[INFO] running `"docker" "rm" "-f" "4e6e504ee28b4066e0f211874cefda58d8eff259c4d859629d3ed7af869aabe7"`
[INFO] [stdout] 4e6e504ee28b4066e0f211874cefda58d8eff259c4d859629d3ed7af869aabe7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 902fba6ec7fc9d58b85f60709f2c3976d660be5608b1e7674881f969871fee15
[INFO] running `"docker" "start" "-a" "902fba6ec7fc9d58b85f60709f2c3976d660be5608b1e7674881f969871fee15"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/splitter-2157dce48dc1c193
[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" "902fba6ec7fc9d58b85f60709f2c3976d660be5608b1e7674881f969871fee15"`
[INFO] running `"docker" "rm" "-f" "902fba6ec7fc9d58b85f60709f2c3976d660be5608b1e7674881f969871fee15"`
[INFO] [stdout] 902fba6ec7fc9d58b85f60709f2c3976d660be5608b1e7674881f969871fee15