[INFO] updating cached repository https://github.com/GraffixGames/fundies-2-game
[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] 3927e86c93ed4e0f694bf9bd05b7686b0f9e05d6
[INFO] testing GraffixGames/fundies-2-game against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FGraffixGames%2Ffundies-2-game" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GraffixGames/fundies-2-game 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/GraffixGames/fundies-2-game
[INFO] finished tweaking git repo https://github.com/GraffixGames/fundies-2-game
[INFO] tweaked toml for git repo https://github.com/GraffixGames/fundies-2-game written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/GraffixGames/fundies-2-game 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/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] 3d17d3ad06656e0ceb40cf8d93b85a51040c6c364018c8b96927b368c042cbfb
[INFO] running `"docker" "start" "-a" "3d17d3ad06656e0ceb40cf8d93b85a51040c6c364018c8b96927b368c042cbfb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typedef v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lewton v0.9.3
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling smart-default v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling gfx_core v0.9.0
[INFO] [stderr]    Compiling gilrs v0.6.3
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling minimp3 v0.3.2
[INFO] [stderr]    Compiling nalgebra v0.17.2
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling andrew v0.1.6
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.5
[INFO] [stderr]    Compiling euclid v0.19.5
[INFO] [stderr]    Compiling wayland-commons v0.21.11
[INFO] [stderr]    Compiling zip v0.5.0
[INFO] [stderr]    Compiling glyph_brush v0.2.4
[INFO] [stderr] error: Could not compile `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.88/src/lib.rs --color never --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=8838654f9e67e5d4 -C extra-filename=-8838654f9e67e5d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8f43a668926682bf.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c8dddbff5d36941d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e268cb9ecf90a971.rlib --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.2/src/base/cg.rs:297:44
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3d17d3ad06656e0ceb40cf8d93b85a51040c6c364018c8b96927b368c042cbfb"`
[INFO] running `"docker" "rm" "-f" "3d17d3ad06656e0ceb40cf8d93b85a51040c6c364018c8b96927b368c042cbfb"`
[INFO] [stdout] 3d17d3ad06656e0ceb40cf8d93b85a51040c6c364018c8b96927b368c042cbfb