[INFO] updating cached repository https://github.com/JamieSK/battleships [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 989e6c2315ef3dc08bf94e0e5f882545a1364c62 [INFO] testing JamieSK/battleships against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieSK%2Fbattleships" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JamieSK/battleships 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/JamieSK/battleships [INFO] finished tweaking git repo https://github.com/JamieSK/battleships [INFO] tweaked toml for git repo https://github.com/JamieSK/battleships written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/JamieSK/battleships 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1dca54d6a6f6b6aa2c1c7779dc2fc345c238d0e6c7a0364f4640661f45ead552 [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" "1dca54d6a6f6b6aa2c1c7779dc2fc345c238d0e6c7a0364f4640661f45ead552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dca54d6a6f6b6aa2c1c7779dc2fc345c238d0e6c7a0364f4640661f45ead552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dca54d6a6f6b6aa2c1c7779dc2fc345c238d0e6c7a0364f4640661f45ead552", kill_on_drop: false }` [INFO] [stdout] 1dca54d6a6f6b6aa2c1c7779dc2fc345c238d0e6c7a0364f4640661f45ead552 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb9a99f365982a6b5bc0fc76c3cd111e32c97e8c991e77894d920d15958662fe [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" "fb9a99f365982a6b5bc0fc76c3cd111e32c97e8c991e77894d920d15958662fe", kill_on_drop: false }` [INFO] [stderr] Compiling battleships v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:139:37 [INFO] [stdout] | [INFO] [stdout] 139 | ... let mut ships_left = self.ships_left(other_player); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 1.62s [INFO] running `Command { std: "docker" "inspect" "fb9a99f365982a6b5bc0fc76c3cd111e32c97e8c991e77894d920d15958662fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9a99f365982a6b5bc0fc76c3cd111e32c97e8c991e77894d920d15958662fe", kill_on_drop: false }` [INFO] [stdout] fb9a99f365982a6b5bc0fc76c3cd111e32c97e8c991e77894d920d15958662fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d174c1909a3162054ca1105a7cc9fbf41b04affddf9e28cf5ca041744e957fc [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" "4d174c1909a3162054ca1105a7cc9fbf41b04affddf9e28cf5ca041744e957fc", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:139:37 [INFO] [stdout] | [INFO] [stdout] 139 | ... let mut ships_left = self.ships_left(other_player); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling battleships v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:139:37 [INFO] [stdout] | [INFO] [stdout] 139 | ... let mut ships_left = self.ships_left(other_player); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "4d174c1909a3162054ca1105a7cc9fbf41b04affddf9e28cf5ca041744e957fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d174c1909a3162054ca1105a7cc9fbf41b04affddf9e28cf5ca041744e957fc", kill_on_drop: false }` [INFO] [stdout] 4d174c1909a3162054ca1105a7cc9fbf41b04affddf9e28cf5ca041744e957fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4aa984cd1dc727938f055d4b68a6449e3d20c4ef94f739e45ebb426f8cc2ee9e [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" "4aa984cd1dc727938f055d4b68a6449e3d20c4ef94f739e45ebb426f8cc2ee9e", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:139:37 [INFO] [stderr] | [INFO] [stderr] 139 | ... let mut ships_left = self.ships_left(other_player); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:139:37 [INFO] [stderr] | [INFO] [stderr] 139 | ... let mut ships_left = self.ships_left(other_player); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/battleships-f03754d34338fbbd [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/battleships-7608fe731ab2f13c [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] [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] [stderr] Running /opt/rustwide/target/debug/deps/spec-d8222a278a86005a [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test cannot_play_until_all_ships_are_placed ... ok [INFO] [stdout] test hitting_one_players_ship_does_not_affect_the_others ... ok [INFO] [stdout] test return_sank_my_battleship_when_all_of_ship_has_been_hit ... ok [INFO] [stdout] test can_sink_player_twos_battleships ... ok [INFO] [stdout] test cannot_play_on_same_cell_twice ... ok [INFO] [stdout] test can_hit_cell_with_ship ... ok [INFO] [stdout] test cannot_place_ship_where_another_is ... ok [INFO] [stdout] test can_hit_empty_cell ... ok [INFO] [stdout] test player_1_starts_with_a_blank_ships_board ... ok [INFO] [stdout] test player_1_starts_with_a_blank_shots_board ... ok [INFO] [stdout] test can_place_a_submarine_on_the_board ... ok [INFO] [stdout] test return_hit_when_hit_a_ship ... ok [INFO] [stdout] test cannot_play_twice_in_a_row_as_the_same_player ... ok [INFO] [stdout] test can_place_ships_in_any_order ... ok [INFO] [stderr] Doc-tests battleships [INFO] [stdout] test return_miss_when_hit_an_empty_cell ... ok [INFO] [stdout] test return_sank_all_my_battleships_when_last_one_is_sunk ... ok [INFO] [stdout] test can_play_again_if_you_hit_a_ship ... ok [INFO] [stdout] test returns_true_once_all_ships_are_positioned ... ok [INFO] [stdout] test ship_on_board_starts_not_hit ... ok [INFO] [stdout] test starts_with_ships_not_placed ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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" "4aa984cd1dc727938f055d4b68a6449e3d20c4ef94f739e45ebb426f8cc2ee9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa984cd1dc727938f055d4b68a6449e3d20c4ef94f739e45ebb426f8cc2ee9e", kill_on_drop: false }` [INFO] [stdout] 4aa984cd1dc727938f055d4b68a6449e3d20c4ef94f739e45ebb426f8cc2ee9e