[INFO] updating cached repository McGittyHub/cubes-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/McGittyHub/cubes-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/McGittyHub/cubes-rs" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/McGittyHub/cubes-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/McGittyHub/cubes-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/McGittyHub/cubes-rs" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/McGittyHub/cubes-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/McGittyHub/cubes-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b078a42c3e27afd3107a171f8b7614319817036
[INFO] sha for GitHub repo McGittyHub/cubes-rs: 4b078a42c3e27afd3107a171f8b7614319817036
[INFO] validating manifest of McGittyHub/cubes-rs on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of McGittyHub/cubes-rs on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing McGittyHub/cubes-rs
[INFO] finished frobbing McGittyHub/cubes-rs
[INFO] frobbed toml for McGittyHub/cubes-rs written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/McGittyHub/cubes-rs/Cargo.toml
[INFO] started frobbing McGittyHub/cubes-rs
[INFO] finished frobbing McGittyHub/cubes-rs
[INFO] frobbed toml for McGittyHub/cubes-rs written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/McGittyHub/cubes-rs/Cargo.toml
[INFO] crate McGittyHub/cubes-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing McGittyHub/cubes-rs against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/McGittyHub/cubes-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7b613bbfe6e0578e09178ae9d4ca215d61ce0784e7bf3cc6b87532053c1402f8
[INFO] running `"docker" "start" "-a" "7b613bbfe6e0578e09178ae9d4ca215d61ce0784e7bf3cc6b87532053c1402f8"`
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling noise v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling cgmath v0.16.0
[INFO] [stderr]    Compiling gfx_core v0.8.0
[INFO] [stderr]    Compiling rusttype v0.3.0
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling glutin v0.12.0
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling collision v0.14.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.0
[INFO] [stderr]    Compiling gfx_window_glutin v0.20.0
[INFO] [stderr]    Compiling gfx_glyph v0.8.0
[INFO] [stderr]    Compiling cubes-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cube_count`
[INFO] [stderr]    --> src/main.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut cube_count = 0;
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_cube_count`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:368:9
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut cube_count = 0;
[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] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.77s
[INFO] running `"docker" "inspect" "7b613bbfe6e0578e09178ae9d4ca215d61ce0784e7bf3cc6b87532053c1402f8"`
[INFO] running `"docker" "rm" "-f" "7b613bbfe6e0578e09178ae9d4ca215d61ce0784e7bf3cc6b87532053c1402f8"`
[INFO] [stdout] 7b613bbfe6e0578e09178ae9d4ca215d61ce0784e7bf3cc6b87532053c1402f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/McGittyHub/cubes-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a7e3e0521448eb1756974f0e08e35c87eae0e7a2493555c4156b09369f51e24
[INFO] running `"docker" "start" "-a" "9a7e3e0521448eb1756974f0e08e35c87eae0e7a2493555c4156b09369f51e24"`
[INFO] [stderr]    Compiling cubes-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cube_count`
[INFO] [stderr]    --> src/main.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut cube_count = 0;
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_cube_count`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:368:9
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut cube_count = 0;
[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] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "9a7e3e0521448eb1756974f0e08e35c87eae0e7a2493555c4156b09369f51e24"`
[INFO] running `"docker" "rm" "-f" "9a7e3e0521448eb1756974f0e08e35c87eae0e7a2493555c4156b09369f51e24"`
[INFO] [stdout] 9a7e3e0521448eb1756974f0e08e35c87eae0e7a2493555c4156b09369f51e24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/McGittyHub/cubes-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 6ea03e9ff5f8b73feeccee69ebe1d34e6e927edaeafc01c721fd1add1b43d451
[INFO] running `"docker" "start" "-a" "6ea03e9ff5f8b73feeccee69ebe1d34e6e927edaeafc01c721fd1add1b43d451"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cubes_rs-43aaa7a4890d8207
[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" "6ea03e9ff5f8b73feeccee69ebe1d34e6e927edaeafc01c721fd1add1b43d451"`
[INFO] running `"docker" "rm" "-f" "6ea03e9ff5f8b73feeccee69ebe1d34e6e927edaeafc01c721fd1add1b43d451"`
[INFO] [stdout] 6ea03e9ff5f8b73feeccee69ebe1d34e6e927edaeafc01c721fd1add1b43d451