[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-1.37-6/sources/1.36.0/gh/ilikeorangutans/rust-battleship"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ilikeorangutans/rust-battleship'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ilikeorangutans/rust-battleship" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ilikeorangutans/rust-battleship"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ilikeorangutans/rust-battleship on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ilikeorangutans/rust-battleship against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0709dbb6440aca00049360b3a702163a583c7e186f235e1dcb1c2e5edaf3a6a7
[INFO] running `"docker" "start" "-a" "0709dbb6440aca00049360b3a702163a583c7e186f235e1dcb1c2e5edaf3a6a7"`
[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 1.29s
[INFO] running `"docker" "inspect" "0709dbb6440aca00049360b3a702163a583c7e186f235e1dcb1c2e5edaf3a6a7"`
[INFO] running `"docker" "rm" "-f" "0709dbb6440aca00049360b3a702163a583c7e186f235e1dcb1c2e5edaf3a6a7"`
[INFO] [stdout] 0709dbb6440aca00049360b3a702163a583c7e186f235e1dcb1c2e5edaf3a6a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e82ff3eb0251de08a3ef402039092a34e81ebc273d1a8846c222859da421b411
[INFO] running `"docker" "start" "-a" "e82ff3eb0251de08a3ef402039092a34e81ebc273d1a8846c222859da421b411"`
[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" "e82ff3eb0251de08a3ef402039092a34e81ebc273d1a8846c222859da421b411"`
[INFO] running `"docker" "rm" "-f" "e82ff3eb0251de08a3ef402039092a34e81ebc273d1a8846c222859da421b411"`
[INFO] [stdout] e82ff3eb0251de08a3ef402039092a34e81ebc273d1a8846c222859da421b411
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6946db1f829bb5ae8691c9cff4c7fa6cebf4196591c79089e45811e212f272fe
[INFO] running `"docker" "start" "-a" "6946db1f829bb5ae8691c9cff4c7fa6cebf4196591c79089e45811e212f272fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_battleship-36bd2753494162b7
[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" "6946db1f829bb5ae8691c9cff4c7fa6cebf4196591c79089e45811e212f272fe"`
[INFO] running `"docker" "rm" "-f" "6946db1f829bb5ae8691c9cff4c7fa6cebf4196591c79089e45811e212f272fe"`
[INFO] [stdout] 6946db1f829bb5ae8691c9cff4c7fa6cebf4196591c79089e45811e212f272fe