[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/beta-1.38-1/sources/1.37.0/gh/ilikeorangutans/rust-battleship"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ilikeorangutans/rust-battleship'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ilikeorangutans/rust-battleship" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ilikeorangutans/rust-battleship"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 ilikeorangutans/rust-battleship 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 ilikeorangutans/rust-battleship
[INFO] finished frobbing ilikeorangutans/rust-battleship
[INFO] frobbed toml for ilikeorangutans/rust-battleship written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/ilikeorangutans/rust-battleship/Cargo.toml
[INFO] crate ilikeorangutans/rust-battleship 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 ilikeorangutans/rust-battleship against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bedd5d47e205f67ecb4191abf1961037c142f936e7fabb3278ee868fa1450d1e
[INFO] running `"docker" "start" "-a" "bedd5d47e205f67ecb4191abf1961037c142f936e7fabb3278ee868fa1450d1e"`
[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 0.54s
[INFO] running `"docker" "inspect" "bedd5d47e205f67ecb4191abf1961037c142f936e7fabb3278ee868fa1450d1e"`
[INFO] running `"docker" "rm" "-f" "bedd5d47e205f67ecb4191abf1961037c142f936e7fabb3278ee868fa1450d1e"`
[INFO] [stdout] bedd5d47e205f67ecb4191abf1961037c142f936e7fabb3278ee868fa1450d1e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d60ba2e6996616134ba91cd5a34309f66aaac759ac09ccc0b73aedf2088185d3
[INFO] running `"docker" "start" "-a" "d60ba2e6996616134ba91cd5a34309f66aaac759ac09ccc0b73aedf2088185d3"`
[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 0.44s
[INFO] running `"docker" "inspect" "d60ba2e6996616134ba91cd5a34309f66aaac759ac09ccc0b73aedf2088185d3"`
[INFO] running `"docker" "rm" "-f" "d60ba2e6996616134ba91cd5a34309f66aaac759ac09ccc0b73aedf2088185d3"`
[INFO] [stdout] d60ba2e6996616134ba91cd5a34309f66aaac759ac09ccc0b73aedf2088185d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7577eb8a2eca51c225696649d12301286e0d8d7cd1975e6ba7b2a06b53d077d1
[INFO] running `"docker" "start" "-a" "7577eb8a2eca51c225696649d12301286e0d8d7cd1975e6ba7b2a06b53d077d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_battleship-4f3145f4edd0cf94
[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" "7577eb8a2eca51c225696649d12301286e0d8d7cd1975e6ba7b2a06b53d077d1"`
[INFO] running `"docker" "rm" "-f" "7577eb8a2eca51c225696649d12301286e0d8d7cd1975e6ba7b2a06b53d077d1"`
[INFO] [stdout] 7577eb8a2eca51c225696649d12301286e0d8d7cd1975e6ba7b2a06b53d077d1