[INFO] updating cached repository seven1m/puzzlecube
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/seven1m/puzzlecube
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/seven1m/puzzlecube" "work/ex/beta-1.38-1/sources/1.37.0/gh/seven1m/puzzlecube"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/seven1m/puzzlecube'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/seven1m/puzzlecube" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seven1m/puzzlecube"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seven1m/puzzlecube'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2adfd500b7f3d1c9031866a7f21f2649aff24b61
[INFO] sha for GitHub repo seven1m/puzzlecube: 2adfd500b7f3d1c9031866a7f21f2649aff24b61
[INFO] validating manifest of seven1m/puzzlecube 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 seven1m/puzzlecube 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 seven1m/puzzlecube
[INFO] finished frobbing seven1m/puzzlecube
[INFO] frobbed toml for seven1m/puzzlecube written to work/ex/beta-1.38-1/sources/1.37.0/gh/seven1m/puzzlecube/Cargo.toml
[INFO] started frobbing seven1m/puzzlecube
[INFO] finished frobbing seven1m/puzzlecube
[INFO] frobbed toml for seven1m/puzzlecube written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seven1m/puzzlecube/Cargo.toml
[INFO] crate seven1m/puzzlecube already has a lockfile, it will not be regenerated
[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 seven1m/puzzlecube 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/seven1m/puzzlecube:/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] a8e3e76acf201439dd472906fc2e307799ded8654830c22945e1b606ddac046b
[INFO] running `"docker" "start" "-a" "a8e3e76acf201439dd472906fc2e307799ded8654830c22945e1b606ddac046b"`
[INFO] [stderr]    Compiling puzzlecube v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `cube::*`
[INFO] [stderr]  --> src/tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cube::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_test_pattern`
[INFO] [stderr]   --> src/cube.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn new_with_test_pattern() -> Cube {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `up_color`
[INFO] [stderr]   --> src/cube.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn up_color(&self) -> Color {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `down_color`
[INFO] [stderr]    --> src/cube.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn down_color(&self) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `front_color`
[INFO] [stderr]    --> src/cube.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn front_color(&self) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `back_color`
[INFO] [stderr]    --> src/cube.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn back_color(&self) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `left_color`
[INFO] [stderr]    --> src/cube.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn left_color(&self) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `right_color`
[INFO] [stderr]    --> src/cube.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn right_color(&self) -> Color {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `scramble`
[INFO] [stderr]    --> src/cube.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     pub fn scramble(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]    --> src/cube.rs:434:5
[INFO] [stderr]     |
[INFO] [stderr] 434 |     pub fn orient(&mut self, up: Color, front: Color) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "a8e3e76acf201439dd472906fc2e307799ded8654830c22945e1b606ddac046b"`
[INFO] running `"docker" "rm" "-f" "a8e3e76acf201439dd472906fc2e307799ded8654830c22945e1b606ddac046b"`
[INFO] [stdout] a8e3e76acf201439dd472906fc2e307799ded8654830c22945e1b606ddac046b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/seven1m/puzzlecube:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35ee9a8b40ea14867eb64e80a86c2b7e706b990726e25af1b87080a04dd3e08f
[INFO] running `"docker" "start" "-a" "35ee9a8b40ea14867eb64e80a86c2b7e706b990726e25af1b87080a04dd3e08f"`
[INFO] [stderr]    Compiling puzzlecube v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `"docker" "inspect" "35ee9a8b40ea14867eb64e80a86c2b7e706b990726e25af1b87080a04dd3e08f"`
[INFO] running `"docker" "rm" "-f" "35ee9a8b40ea14867eb64e80a86c2b7e706b990726e25af1b87080a04dd3e08f"`
[INFO] [stdout] 35ee9a8b40ea14867eb64e80a86c2b7e706b990726e25af1b87080a04dd3e08f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/seven1m/puzzlecube:/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" "test" "--frozen"`
[INFO] [stdout] e1869ec849c7ed0f31f21d4120dd791b2ff2c656369bc50a55bb994a09c2dee6
[INFO] running `"docker" "start" "-a" "e1869ec849c7ed0f31f21d4120dd791b2ff2c656369bc50a55bb994a09c2dee6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/puzzlecube-ed8e18c04f37f732
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::it_can_rotate_blue_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_green_clockwise ... ok
[INFO] [stdout] test tests::it_can_orient ... ok
[INFO] [stdout] test tests::it_can_rotate_green_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_red_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_blue_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_white_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_white_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_yellow_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_yellow_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_orange_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_red_counter_clockwise ... ok
[INFO] [stdout] test tests::it_can_rotate_orange_clockwise ... ok
[INFO] [stdout] test tests::it_can_scramble ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e1869ec849c7ed0f31f21d4120dd791b2ff2c656369bc50a55bb994a09c2dee6"`
[INFO] running `"docker" "rm" "-f" "e1869ec849c7ed0f31f21d4120dd791b2ff2c656369bc50a55bb994a09c2dee6"`
[INFO] [stdout] e1869ec849c7ed0f31f21d4120dd791b2ff2c656369bc50a55bb994a09c2dee6