[INFO] cloning repository https://github.com/JamieSK/battleships [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamieSK/battleships" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieSK%2Fbattleships", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieSK%2Fbattleships'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 989e6c2315ef3dc08bf94e0e5f882545a1364c62 [INFO] testing JamieSK/battleships against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieSK%2Fbattleships" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JamieSK/battleships on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64de64fba739511cdd6c2fb9f8cfc4f6cdab4c76d5370976299f73b843a9b88c [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" "64de64fba739511cdd6c2fb9f8cfc4f6cdab4c76d5370976299f73b843a9b88c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64de64fba739511cdd6c2fb9f8cfc4f6cdab4c76d5370976299f73b843a9b88c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64de64fba739511cdd6c2fb9f8cfc4f6cdab4c76d5370976299f73b843a9b88c", kill_on_drop: false }` [INFO] [stdout] 64de64fba739511cdd6c2fb9f8cfc4f6cdab4c76d5370976299f73b843a9b88c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 31daa6fbc7c4a7f4bcce75d281f38972cd317ad9bbfecf3778e6949931431020 [INFO] running `Command { std: "docker" "start" "-a" "31daa6fbc7c4a7f4bcce75d281f38972cd317ad9bbfecf3778e6949931431020", 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 1.36s [INFO] running `Command { std: "docker" "inspect" "31daa6fbc7c4a7f4bcce75d281f38972cd317ad9bbfecf3778e6949931431020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31daa6fbc7c4a7f4bcce75d281f38972cd317ad9bbfecf3778e6949931431020", kill_on_drop: false }` [INFO] [stdout] 31daa6fbc7c4a7f4bcce75d281f38972cd317ad9bbfecf3778e6949931431020 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4aab988d3b3a2bca33da9b92b9c98b57992ea68d0f9fbcca80139025c54d6a0 [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" "a4aab988d3b3a2bca33da9b92b9c98b57992ea68d0f9fbcca80139025c54d6a0", 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 1.94s [INFO] running `Command { std: "docker" "inspect" "a4aab988d3b3a2bca33da9b92b9c98b57992ea68d0f9fbcca80139025c54d6a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4aab988d3b3a2bca33da9b92b9c98b57992ea68d0f9fbcca80139025c54d6a0", kill_on_drop: false }` [INFO] [stdout] a4aab988d3b3a2bca33da9b92b9c98b57992ea68d0f9fbcca80139025c54d6a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9586ab3511b7fc93924287097fbf0c035aa8eef6724196e0e337ecfed6a327d9 [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" "9586ab3511b7fc93924287097fbf0c035aa8eef6724196e0e337ecfed6a327d9", 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: `battleships` (lib) generated 1 warning [INFO] [stderr] warning: `battleships` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/battleships-2af397d1cf9c3151) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/battleships-6a26dd165764eaf9) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/spec.rs (/opt/rustwide/target/debug/deps/spec-6c7b325b0f08fd6e) [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test can_hit_cell_with_ship ... ok [INFO] [stdout] test can_hit_empty_cell ... ok [INFO] [stdout] test can_place_ships_in_any_order ... ok [INFO] [stdout] test cannot_place_ship_where_another_is ... ok [INFO] [stdout] test can_play_again_if_you_hit_a_ship ... ok [INFO] [stdout] test cannot_play_twice_in_a_row_as_the_same_player ... ok [INFO] [stdout] test player_1_starts_with_a_blank_shots_board ... ok [INFO] [stdout] test player_1_starts_with_a_blank_ships_board ... ok [INFO] [stdout] test starts_with_ships_not_placed ... ok [INFO] [stdout] test can_sink_player_twos_battleships ... 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 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 cannot_play_until_all_ships_are_placed ... ok [INFO] [stdout] test cannot_play_on_same_cell_twice ... ok [INFO] [stdout] test hitting_one_players_ship_does_not_affect_the_others ... ok [INFO] [stdout] test ship_on_board_starts_not_hit ... ok [INFO] [stdout] test return_sank_my_battleship_when_all_of_ship_has_been_hit ... ok [INFO] [stdout] test returns_true_once_all_ships_are_positioned ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests battleships [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9586ab3511b7fc93924287097fbf0c035aa8eef6724196e0e337ecfed6a327d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9586ab3511b7fc93924287097fbf0c035aa8eef6724196e0e337ecfed6a327d9", kill_on_drop: false }` [INFO] [stdout] 9586ab3511b7fc93924287097fbf0c035aa8eef6724196e0e337ecfed6a327d9