[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 beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9d30e804f398a55b99f5d7f9d82f49c5bb67d9aa91ee0a26f4ba5b449397c7a8
[INFO] running `"docker" "start" "-a" "9d30e804f398a55b99f5d7f9d82f49c5bb67d9aa91ee0a26f4ba5b449397c7a8"`
[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 1.15s
[INFO] running `"docker" "inspect" "9d30e804f398a55b99f5d7f9d82f49c5bb67d9aa91ee0a26f4ba5b449397c7a8"`
[INFO] running `"docker" "rm" "-f" "9d30e804f398a55b99f5d7f9d82f49c5bb67d9aa91ee0a26f4ba5b449397c7a8"`
[INFO] [stdout] 9d30e804f398a55b99f5d7f9d82f49c5bb67d9aa91ee0a26f4ba5b449397c7a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b02b58fb51d6ebebe366bca068435cf875eced500f496632a6371f4103c3abac
[INFO] running `"docker" "start" "-a" "b02b58fb51d6ebebe366bca068435cf875eced500f496632a6371f4103c3abac"`
[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 0.77s
[INFO] running `"docker" "inspect" "b02b58fb51d6ebebe366bca068435cf875eced500f496632a6371f4103c3abac"`
[INFO] running `"docker" "rm" "-f" "b02b58fb51d6ebebe366bca068435cf875eced500f496632a6371f4103c3abac"`
[INFO] [stdout] b02b58fb51d6ebebe366bca068435cf875eced500f496632a6371f4103c3abac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 2e925cd76b468c757a542fa828c5d47cfd04ae8fcaf6a855079f8584b1347a1e
[INFO] running `"docker" "start" "-a" "2e925cd76b468c757a542fa828c5d47cfd04ae8fcaf6a855079f8584b1347a1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_battleship-0281dfb1928588e9
[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" "2e925cd76b468c757a542fa828c5d47cfd04ae8fcaf6a855079f8584b1347a1e"`
[INFO] running `"docker" "rm" "-f" "2e925cd76b468c757a542fa828c5d47cfd04ae8fcaf6a855079f8584b1347a1e"`
[INFO] [stdout] 2e925cd76b468c757a542fa828c5d47cfd04ae8fcaf6a855079f8584b1347a1e