[INFO] updating cached repository justacid/breakout-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justacid/breakout-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justacid/breakout-rs" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/justacid/breakout-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/justacid/breakout-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justacid/breakout-rs" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/justacid/breakout-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/justacid/breakout-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 306880f552f5a6967f3f04bf16b994e7dc707153
[INFO] sha for GitHub repo justacid/breakout-rs: 306880f552f5a6967f3f04bf16b994e7dc707153
[INFO] validating manifest of justacid/breakout-rs on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of justacid/breakout-rs on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing justacid/breakout-rs
[INFO] finished frobbing justacid/breakout-rs
[INFO] frobbed toml for justacid/breakout-rs written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/justacid/breakout-rs/Cargo.toml
[INFO] started frobbing justacid/breakout-rs
[INFO] finished frobbing justacid/breakout-rs
[INFO] frobbed toml for justacid/breakout-rs written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/justacid/breakout-rs/Cargo.toml
[INFO] crate justacid/breakout-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking justacid/breakout-rs against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-1/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/justacid/breakout-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=forbid" "-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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 052674b37d368763291f69a09eb4915fb213bdae1e81785e41ac25ea0a3eeba8
[INFO] running `"docker" "start" "-a" "052674b37d368763291f69a09eb4915fb213bdae1e81785e41ac25ea0a3eeba8"`
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking alga v0.5.2
[INFO] [stderr]     Checking piston2d-graphics v0.24.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking pistoncore-window v0.30.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.35.0
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking piston v0.35.0
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling gl v0.7.0
[INFO] [stderr]     Checking glutin v0.10.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr]     Checking glfw v0.20.0
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.43.0
[INFO] [stderr]     Checking pistoncore-glfw_window v0.39.0
[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-0.13.1/src/core/cg.rs:255:44
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 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]     Checking gfx v0.16.3
[INFO] [stderr]     Checking gfx_device_gl v0.14.6
[INFO] [stderr]     Checking piston-gfx_texture v0.30.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.47.0
[INFO] [stderr]     Checking piston_window v0.74.0
[INFO] [stderr]     Checking breakout-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "052674b37d368763291f69a09eb4915fb213bdae1e81785e41ac25ea0a3eeba8"`
[INFO] running `"docker" "rm" "-f" "052674b37d368763291f69a09eb4915fb213bdae1e81785e41ac25ea0a3eeba8"`
[INFO] [stdout] 052674b37d368763291f69a09eb4915fb213bdae1e81785e41ac25ea0a3eeba8