[INFO] updating cached repository rubenwardy/nonograms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rubenwardy/nonograms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rubenwardy/nonograms" "work/ex/beta-1.38-1/sources/1.37.0/gh/rubenwardy/nonograms"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rubenwardy/nonograms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rubenwardy/nonograms" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubenwardy/nonograms"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubenwardy/nonograms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ded79853b3c7b305afcf92740fdd20db7c2b4a4
[INFO] sha for GitHub repo rubenwardy/nonograms: 6ded79853b3c7b305afcf92740fdd20db7c2b4a4
[INFO] validating manifest of rubenwardy/nonograms 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 rubenwardy/nonograms 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 rubenwardy/nonograms
[INFO] finished frobbing rubenwardy/nonograms
[INFO] frobbed toml for rubenwardy/nonograms written to work/ex/beta-1.38-1/sources/1.37.0/gh/rubenwardy/nonograms/Cargo.toml
[INFO] started frobbing rubenwardy/nonograms
[INFO] finished frobbing rubenwardy/nonograms
[INFO] frobbed toml for rubenwardy/nonograms written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubenwardy/nonograms/Cargo.toml
[INFO] crate rubenwardy/nonograms 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 rubenwardy/nonograms 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/gh/rubenwardy/nonograms:/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] b387804deb03b7f34a9db0d1c8135ff68546273beeeccff1b2dcf4b81c66691b
[INFO] running `"docker" "start" "-a" "b387804deb03b7f34a9db0d1c8135ff68546273beeeccff1b2dcf4b81c66691b"`
[INFO] [stderr]    Compiling nonogram v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `equals`
[INFO] [stderr]   --> src/board.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/board.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/board.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "b387804deb03b7f34a9db0d1c8135ff68546273beeeccff1b2dcf4b81c66691b"`
[INFO] running `"docker" "rm" "-f" "b387804deb03b7f34a9db0d1c8135ff68546273beeeccff1b2dcf4b81c66691b"`
[INFO] [stdout] b387804deb03b7f34a9db0d1c8135ff68546273beeeccff1b2dcf4b81c66691b
[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/gh/rubenwardy/nonograms:/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] 60a4f5e88da903b78f8cc9e25e65dd296a47799b6aa751b9060a18310587e41f
[INFO] running `"docker" "start" "-a" "60a4f5e88da903b78f8cc9e25e65dd296a47799b6aa751b9060a18310587e41f"`
[INFO] [stderr]    Compiling nonogram v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `equals`
[INFO] [stderr]   --> src/board.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/board.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/board.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "60a4f5e88da903b78f8cc9e25e65dd296a47799b6aa751b9060a18310587e41f"`
[INFO] running `"docker" "rm" "-f" "60a4f5e88da903b78f8cc9e25e65dd296a47799b6aa751b9060a18310587e41f"`
[INFO] [stdout] 60a4f5e88da903b78f8cc9e25e65dd296a47799b6aa751b9060a18310587e41f
[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/gh/rubenwardy/nonograms:/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] dd87f4a4e37dbdda5705de0996e9ea27381d60c9e6449f5d6d7a007f77a7aadb
[INFO] running `"docker" "start" "-a" "dd87f4a4e37dbdda5705de0996e9ea27381d60c9e6449f5d6d7a007f77a7aadb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nonogram-d9a5523aa62f5afa
[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" "dd87f4a4e37dbdda5705de0996e9ea27381d60c9e6449f5d6d7a007f77a7aadb"`
[INFO] running `"docker" "rm" "-f" "dd87f4a4e37dbdda5705de0996e9ea27381d60c9e6449f5d6d7a007f77a7aadb"`
[INFO] [stdout] dd87f4a4e37dbdda5705de0996e9ea27381d60c9e6449f5d6d7a007f77a7aadb