[INFO] cloning repository https://github.com/serayuzgur/chainake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serayuzgur/chainake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserayuzgur%2Fchainake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserayuzgur%2Fchainake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5693bc2e3c41494c0b1c603737e0bf6a9e65787 [INFO] testing serayuzgur/chainake against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserayuzgur%2Fchainake" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/serayuzgur/chainake on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/serayuzgur/chainake [INFO] finished tweaking git repo https://github.com/serayuzgur/chainake [INFO] tweaked toml for git repo https://github.com/serayuzgur/chainake written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/serayuzgur/chainake already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae576bbee2ba19b0508d6f61bbe9d2ed0b05d29c929953380e3fb366ca292365 [INFO] running `Command { std: "docker" "start" "-a" "ae576bbee2ba19b0508d6f61bbe9d2ed0b05d29c929953380e3fb366ca292365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae576bbee2ba19b0508d6f61bbe9d2ed0b05d29c929953380e3fb366ca292365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae576bbee2ba19b0508d6f61bbe9d2ed0b05d29c929953380e3fb366ca292365", kill_on_drop: false }` [INFO] [stdout] ae576bbee2ba19b0508d6f61bbe9d2ed0b05d29c929953380e3fb366ca292365 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe82796f37c12573c0fbed27f16bbad86cf02ed61a10dc7f50a5d219ee7ddc20 [INFO] running `Command { std: "docker" "start" "-a" "fe82796f37c12573c0fbed27f16bbad86cf02ed61a10dc7f50a5d219ee7ddc20", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling chainake v0.0.1-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `difficulty` [INFO] [stdout] --> src/main.rs:29:25 [INFO] [stdout] | [INFO] [stdout] 29 | fn play( &mut self, difficulty: usize) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | &self.snake.move_1(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:105:17 [INFO] [stdout] | [INFO] [stdout] 105 | &self.snake.move_1(false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | &self.draw(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/snake.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | &body.push(next.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/snake.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | &self.ghost.push(deleted.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/snake.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | &self.ghost.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.85s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fe82796f37c12573c0fbed27f16bbad86cf02ed61a10dc7f50a5d219ee7ddc20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe82796f37c12573c0fbed27f16bbad86cf02ed61a10dc7f50a5d219ee7ddc20", kill_on_drop: false }` [INFO] [stdout] fe82796f37c12573c0fbed27f16bbad86cf02ed61a10dc7f50a5d219ee7ddc20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a637232f175de0d1d1bc5b8a1695ed1def3311fc1e2cb01bd22c329502f1af9c [INFO] running `Command { std: "docker" "start" "-a" "a637232f175de0d1d1bc5b8a1695ed1def3311fc1e2cb01bd22c329502f1af9c", kill_on_drop: false }` [INFO] [stderr] Compiling chainake v0.0.1-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `difficulty` [INFO] [stdout] --> src/main.rs:29:25 [INFO] [stdout] | [INFO] [stdout] 29 | fn play( &mut self, difficulty: usize) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | stdout.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | &self.snake.move_1(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:105:17 [INFO] [stdout] | [INFO] [stdout] 105 | &self.snake.move_1(false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | &self.draw(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/snake.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | &body.push(next.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/snake.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | &self.ghost.push(deleted.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/snake.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | &self.ghost.clear(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "a637232f175de0d1d1bc5b8a1695ed1def3311fc1e2cb01bd22c329502f1af9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a637232f175de0d1d1bc5b8a1695ed1def3311fc1e2cb01bd22c329502f1af9c", kill_on_drop: false }` [INFO] [stdout] a637232f175de0d1d1bc5b8a1695ed1def3311fc1e2cb01bd22c329502f1af9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ad2ff419980b9e1adf431ae0e85f4020079e652c3273b3294769524a76572385 [INFO] running `Command { std: "docker" "start" "-a" "ad2ff419980b9e1adf431ae0e85f4020079e652c3273b3294769524a76572385", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `difficulty` [INFO] [stderr] --> src/main.rs:29:25 [INFO] [stderr] | [INFO] [stderr] 29 | fn play( &mut self, difficulty: usize) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | stdout.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | &self.snake.move_1(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | &self.snake.move_1(false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | &self.draw(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/snake.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | &body.push(next.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/snake.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | &self.ghost.push(deleted.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/snake.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | &self.ghost.clear(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `chainake` (bin "chainake" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chainake-6e301027219ce178) [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" "ad2ff419980b9e1adf431ae0e85f4020079e652c3273b3294769524a76572385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad2ff419980b9e1adf431ae0e85f4020079e652c3273b3294769524a76572385", kill_on_drop: false }` [INFO] [stdout] ad2ff419980b9e1adf431ae0e85f4020079e652c3273b3294769524a76572385