[INFO] crate rocket-game 0.1.1 is already in cache
[INFO] extracting crate rocket-game 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rocket-game/0.1.1
[INFO] extracting crate rocket-game 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rocket-game/0.1.1
[INFO] validating manifest of rocket-game-0.1.1 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 rocket-game-0.1.1 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 rocket-game-0.1.1
[INFO] finished frobbing rocket-game-0.1.1
[INFO] frobbed toml for rocket-game-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rocket-game/0.1.1/Cargo.toml
[INFO] started frobbing rocket-game-0.1.1
[INFO] finished frobbing rocket-game-0.1.1
[INFO] frobbed toml for rocket-game-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rocket-game/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rocket-game-0.1.1 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/reg/rocket-game/0.1.1:/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] 0aa100760a7309e358729c4ae2c89cc31a75173e7336dc1b7110734ac1b9de9f
[INFO] running `"docker" "start" "-a" "0aa100760a7309e358729c4ae2c89cc31a75173e7336dc1b7110734ac1b9de9f"`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling spiral v0.1.9
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling claxon v0.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling draw_state v0.7.1
[INFO] [stderr]    Compiling app_dirs2 v2.0.3
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling smart-default v0.2.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling euclid v0.17.3
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling lyon_geom v0.10.1
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling lyon_path v0.10.1
[INFO] [stderr]    Compiling nalgebra v0.14.4
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rodio v0.7.0
[INFO] [stderr]    Compiling lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling lyon v0.10.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling gfx v0.16.3
[INFO] [stderr]    Compiling distance-field v0.1.7
[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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling rocket-game v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `distance_field` found for type `image::DynamicImage` in the current scope
[INFO] [stderr]   --> build.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let outbuf = img.grayscale().distance_field(distance_field::Options {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `distance_field::DistanceFieldExt`
[INFO] [stderr]  --> build.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use distance_field::DistanceFieldExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rocket-game`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0aa100760a7309e358729c4ae2c89cc31a75173e7336dc1b7110734ac1b9de9f"`
[INFO] running `"docker" "rm" "-f" "0aa100760a7309e358729c4ae2c89cc31a75173e7336dc1b7110734ac1b9de9f"`
[INFO] [stdout] 0aa100760a7309e358729c4ae2c89cc31a75173e7336dc1b7110734ac1b9de9f