[INFO] fetching crate gorrosion 0.1.2...
[INFO] checking gorrosion-0.1.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate gorrosion 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gorrosion 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gorrosion 0.1.2
[INFO] finished tweaking crates.io crate gorrosion 0.1.2
[INFO] tweaked toml for crates.io crate gorrosion 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc7e3bf5081bc71d3f1fbc7b64020bf9c2efe3aff3dda435de6ee1c3422fbdb6
[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" "bc7e3bf5081bc71d3f1fbc7b64020bf9c2efe3aff3dda435de6ee1c3422fbdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7e3bf5081bc71d3f1fbc7b64020bf9c2efe3aff3dda435de6ee1c3422fbdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7e3bf5081bc71d3f1fbc7b64020bf9c2efe3aff3dda435de6ee1c3422fbdb6", kill_on_drop: false }`
[INFO] [stdout] bc7e3bf5081bc71d3f1fbc7b64020bf9c2efe3aff3dda435de6ee1c3422fbdb6
[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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--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] 93c1c42c7219dc379b4f9dd843d04d2bb79af3a93cae3ddf3a8474d4aa4a9b24
[INFO] running `Command { std: "docker" "start" "-a" "93c1c42c7219dc379b4f9dd843d04d2bb79af3a93cae3ddf3a8474d4aa4a9b24", kill_on_drop: false }`
[INFO] [stderr]     Checking gorrosion v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `survivors`
[INFO] [stdout]   --> src/core/game.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]   --> src/core/game.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]   --> src/core/game.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/core/game.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]   --> src/core/game.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 76 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other`
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]    --> src/core/game.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_state`
[INFO] [stdout]    --> src/core/game.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn player_state(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]    --> src/core/game.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pass`
[INFO] [stdout]    --> src/core/game.rs:166:2
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Pass,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resign`
[INFO] [stdout]    --> src/core/game.rs:167:2
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Resign,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]    --> src/core/game.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Place(Index),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalRules`
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rules`
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameNode`
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `survivors`
[INFO] [stdout]   --> src/core/game.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]   --> src/core/game.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]   --> src/core/game.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/core/game.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]   --> src/core/game.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 76 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other`
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]    --> src/core/game.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_state`
[INFO] [stdout]    --> src/core/game.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn player_state(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]    --> src/core/game.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pass`
[INFO] [stdout]    --> src/core/game.rs:166:2
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Pass,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resign`
[INFO] [stdout]    --> src/core/game.rs:167:2
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Resign,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]    --> src/core/game.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Place(Index),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalRules`
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rules`
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameNode`
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "93c1c42c7219dc379b4f9dd843d04d2bb79af3a93cae3ddf3a8474d4aa4a9b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c1c42c7219dc379b4f9dd843d04d2bb79af3a93cae3ddf3a8474d4aa4a9b24", kill_on_drop: false }`
[INFO] [stdout] 93c1c42c7219dc379b4f9dd843d04d2bb79af3a93cae3ddf3a8474d4aa4a9b24
