[INFO] updating cached repository ilikeorangutans/rust-battleship
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ilikeorangutans/rust-battleship
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ilikeorangutans/rust-battleship" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ilikeorangutans/rust-battleship"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ilikeorangutans/rust-battleship'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ilikeorangutans/rust-battleship" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ilikeorangutans/rust-battleship"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ilikeorangutans/rust-battleship'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f79c4628bd77f776288932ac609237460c255cc
[INFO] sha for GitHub repo ilikeorangutans/rust-battleship: 0f79c4628bd77f776288932ac609237460c255cc
[INFO] validating manifest of ilikeorangutans/rust-battleship 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 ilikeorangutans/rust-battleship 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 ilikeorangutans/rust-battleship
[INFO] finished frobbing ilikeorangutans/rust-battleship
[INFO] frobbed toml for ilikeorangutans/rust-battleship written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ilikeorangutans/rust-battleship/Cargo.toml
[INFO] started frobbing ilikeorangutans/rust-battleship
[INFO] finished frobbing ilikeorangutans/rust-battleship
[INFO] frobbed toml for ilikeorangutans/rust-battleship written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ilikeorangutans/rust-battleship/Cargo.toml
[INFO] crate ilikeorangutans/rust-battleship 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 ilikeorangutans/rust-battleship against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ilikeorangutans/rust-battleship:/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] 9ea948582e2daff4fc710088357e18d2311b0b6027965541a4044083f06ad502
[INFO] running `"docker" "start" "-a" "9ea948582e2daff4fc710088357e18d2311b0b6027965541a4044083f06ad502"`
[INFO] [stderr]    Compiling rust-battleship v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ship`
[INFO] [stderr]    --> src/main.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     Some(ship) => "S ",
[INFO] [stderr]     |                          ^^^^ help: consider prefixing with an underscore: `_ship`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "9ea948582e2daff4fc710088357e18d2311b0b6027965541a4044083f06ad502"`
[INFO] running `"docker" "rm" "-f" "9ea948582e2daff4fc710088357e18d2311b0b6027965541a4044083f06ad502"`
[INFO] [stdout] 9ea948582e2daff4fc710088357e18d2311b0b6027965541a4044083f06ad502
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ilikeorangutans/rust-battleship:/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] 1c58536acf8afb083055d45fa44fb5e849dbf272f2b471fd8c50bfba3b5e40a9
[INFO] running `"docker" "start" "-a" "1c58536acf8afb083055d45fa44fb5e849dbf272f2b471fd8c50bfba3b5e40a9"`
[INFO] [stderr]    Compiling rust-battleship v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `ship`
[INFO] [stderr]    --> src/main.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     Some(ship) => "S ",
[INFO] [stderr]     |                          ^^^^ help: consider prefixing with an underscore: `_ship`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "1c58536acf8afb083055d45fa44fb5e849dbf272f2b471fd8c50bfba3b5e40a9"`
[INFO] running `"docker" "rm" "-f" "1c58536acf8afb083055d45fa44fb5e849dbf272f2b471fd8c50bfba3b5e40a9"`
[INFO] [stdout] 1c58536acf8afb083055d45fa44fb5e849dbf272f2b471fd8c50bfba3b5e40a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ilikeorangutans/rust-battleship:/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] aa9c4154313d7a55e3c7e8de6a97a39d7f9606397c0f78fd3e5c93257c7ad305
[INFO] running `"docker" "start" "-a" "aa9c4154313d7a55e3c7e8de6a97a39d7f9606397c0f78fd3e5c93257c7ad305"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_battleship-6d2955ec17f795c0
[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" "aa9c4154313d7a55e3c7e8de6a97a39d7f9606397c0f78fd3e5c93257c7ad305"`
[INFO] running `"docker" "rm" "-f" "aa9c4154313d7a55e3c7e8de6a97a39d7f9606397c0f78fd3e5c93257c7ad305"`
[INFO] [stdout] aa9c4154313d7a55e3c7e8de6a97a39d7f9606397c0f78fd3e5c93257c7ad305