[INFO] cloning repository https://github.com/ilikeorangutans/rust-battleship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilikeorangutans/rust-battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filikeorangutans%2Frust-battleship", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filikeorangutans%2Frust-battleship'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f79c4628bd77f776288932ac609237460c255cc
[INFO] testing ilikeorangutans/rust-battleship against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filikeorangutans%2Frust-battleship" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilikeorangutans/rust-battleship on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilikeorangutans/rust-battleship
[INFO] finished tweaking git repo https://github.com/ilikeorangutans/rust-battleship
[INFO] tweaked toml for git repo https://github.com/ilikeorangutans/rust-battleship written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ilikeorangutans/rust-battleship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1dcd32081123706d006c77fef2d724492a8518e72c31bec10eeec360ed258b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a1dcd32081123706d006c77fef2d724492a8518e72c31bec10eeec360ed258b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1dcd32081123706d006c77fef2d724492a8518e72c31bec10eeec360ed258b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1dcd32081123706d006c77fef2d724492a8518e72c31bec10eeec360ed258b", kill_on_drop: false }`
[INFO] [stdout] 7a1dcd32081123706d006c77fef2d724492a8518e72c31bec10eeec360ed258b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d17087118790e5c49d915091e76b9975af60c8d98daafcbb99d4c3067987edf5
[INFO] running `Command { std: "docker" "start" "-a" "d17087118790e5c49d915091e76b9975af60c8d98daafcbb99d4c3067987edf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ship`
[INFO] [stdout]    --> src/main.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     Some(ship) => "S ",
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_ship`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "d17087118790e5c49d915091e76b9975af60c8d98daafcbb99d4c3067987edf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17087118790e5c49d915091e76b9975af60c8d98daafcbb99d4c3067987edf5", kill_on_drop: false }`
[INFO] [stdout] d17087118790e5c49d915091e76b9975af60c8d98daafcbb99d4c3067987edf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00334216957e4e4f7519b72e26b48927eae61a8f7fb29606d6ad1144e2b15b32
[INFO] running `Command { std: "docker" "start" "-a" "00334216957e4e4f7519b72e26b48927eae61a8f7fb29606d6ad1144e2b15b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ship`
[INFO] [stdout]    --> src/main.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     Some(ship) => "S ",
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_ship`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00334216957e4e4f7519b72e26b48927eae61a8f7fb29606d6ad1144e2b15b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00334216957e4e4f7519b72e26b48927eae61a8f7fb29606d6ad1144e2b15b32", kill_on_drop: false }`
[INFO] [stdout] 00334216957e4e4f7519b72e26b48927eae61a8f7fb29606d6ad1144e2b15b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd33a556e1b43558f33001a47b6f99f24d62b2224eb475b7c252998c293e6d3a
[INFO] running `Command { std: "docker" "start" "-a" "bd33a556e1b43558f33001a47b6f99f24d62b2224eb475b7c252998c293e6d3a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ship`
[INFO] [stderr]    --> src/main.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     Some(ship) => "S ",
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_ship`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_battleship-51605db7aee6736d
[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 `Command { std: "docker" "inspect" "bd33a556e1b43558f33001a47b6f99f24d62b2224eb475b7c252998c293e6d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd33a556e1b43558f33001a47b6f99f24d62b2224eb475b7c252998c293e6d3a", kill_on_drop: false }`
[INFO] [stdout] bd33a556e1b43558f33001a47b6f99f24d62b2224eb475b7c252998c293e6d3a