[INFO] cloning repository https://github.com/hmc-memsafe-2016f/wk0-starter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hmc-memsafe-2016f/wk0-starter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk0-starter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk0-starter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 509905703e51ca040ffc433f2c314da4f515107e [INFO] testing hmc-memsafe-2016f/wk0-starter against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk0-starter" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hmc-memsafe-2016f/wk0-starter 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/hmc-memsafe-2016f/wk0-starter [INFO] finished tweaking git repo https://github.com/hmc-memsafe-2016f/wk0-starter [INFO] tweaked toml for git repo https://github.com/hmc-memsafe-2016f/wk0-starter written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/hmc-memsafe-2016f/wk0-starter 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 49831152f8085caf4f0578bdefed7fb07b0ab4d48c1a44b2c8c619cd46c27c61 [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" "49831152f8085caf4f0578bdefed7fb07b0ab4d48c1a44b2c8c619cd46c27c61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49831152f8085caf4f0578bdefed7fb07b0ab4d48c1a44b2c8c619cd46c27c61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49831152f8085caf4f0578bdefed7fb07b0ab4d48c1a44b2c8c619cd46c27c61", kill_on_drop: false }` [INFO] [stdout] 49831152f8085caf4f0578bdefed7fb07b0ab4d48c1a44b2c8c619cd46c27c61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] eaddc5037c285dcf36670a910424b5d8be7bf1f0ed3359a5515b7c9b303c1d87 [INFO] running `Command { std: "docker" "start" "-a" "eaddc5037c285dcf36670a910424b5d8be7bf1f0ed3359a5515b7c9b303c1d87", kill_on_drop: false }` [INFO] [stderr] Compiling wk0-starter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | fn parse_action(input: &str) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `action` [INFO] [stdout] --> src/main.rs:198:77 [INFO] [stdout] | [INFO] [stdout] 198 | let next_step_or_err = parse_action(line.as_str().trim()).and_then(|action| { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `from` [INFO] [stdout] --> src/main.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_from` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `to` [INFO] [stdout] --> src/main.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_to` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:77:39 [INFO] [stdout] | [INFO] [stdout] 77 | HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/main.rs:77:49 [INFO] [stdout] | [INFO] [stdout] 77 | HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:78:35 [INFO] [stdout] | [INFO] [stdout] 78 | HanoiError::EmptyFrom(peg) => unimplemented!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `disks` [INFO] [stdout] --> src/main.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | fn new(disks: u8) -> State { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_disks` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:106:33 [INFO] [stdout] | [INFO] [stdout] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | fn get_tower(&self, peg: Peg) -> &Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:116:28 [INFO] [stdout] | [INFO] [stdout] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:133:29 [INFO] [stdout] | [INFO] [stdout] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `disk` [INFO] [stdout] --> src/main.rs:133:39 [INFO] [stdout] | [INFO] [stdout] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_disk` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mov` [INFO] [stdout] --> src/main.rs:151:27 [INFO] [stdout] | [INFO] [stdout] 151 | fn do_move(&mut self, mov: Move) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mov` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | let mut state = State::new(user_start_size.unwrap_or(START_SIZE)); [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: field is never read: `left` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | left: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `center` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | center: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `right` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | right: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | Move(Move), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Win` [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Continue` [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | Continue, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnknownCommand` [INFO] [stdout] --> src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | UnknownCommand, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnstableStack` [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | UnstableStack(Peg, Disk), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EmptyFrom` [INFO] [stdout] --> src/main.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | EmptyFrom(Peg), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_tower_mut` [INFO] [stdout] --> src/main.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_disk` [INFO] [stdout] --> src/main.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_disk` [INFO] [stdout] --> src/main.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn peek_disk(&self, peg: Peg) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_disk` [INFO] [stdout] --> src/main.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `done` [INFO] [stdout] --> src/main.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | fn done(&self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_move` [INFO] [stdout] --> src/main.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn do_move(&mut self, mov: Move) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "eaddc5037c285dcf36670a910424b5d8be7bf1f0ed3359a5515b7c9b303c1d87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaddc5037c285dcf36670a910424b5d8be7bf1f0ed3359a5515b7c9b303c1d87", kill_on_drop: false }` [INFO] [stdout] eaddc5037c285dcf36670a910424b5d8be7bf1f0ed3359a5515b7c9b303c1d87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a0eb8cad7d154b288a7496f3ddb6cf241b92bf569a95e4e9a1fcb7a2d73bd1a5 [INFO] running `Command { std: "docker" "start" "-a" "a0eb8cad7d154b288a7496f3ddb6cf241b92bf569a95e4e9a1fcb7a2d73bd1a5", kill_on_drop: false }` [INFO] [stderr] Compiling wk0-starter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | fn parse_action(input: &str) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `action` [INFO] [stdout] --> src/main.rs:198:77 [INFO] [stdout] | [INFO] [stdout] 198 | let next_step_or_err = parse_action(line.as_str().trim()).and_then(|action| { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `from` [INFO] [stdout] --> src/main.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_from` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `to` [INFO] [stdout] --> src/main.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_to` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:77:39 [INFO] [stdout] | [INFO] [stdout] 77 | HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/main.rs:77:49 [INFO] [stdout] | [INFO] [stdout] 77 | HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:78:35 [INFO] [stdout] | [INFO] [stdout] 78 | HanoiError::EmptyFrom(peg) => unimplemented!(), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `disks` [INFO] [stdout] --> src/main.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | fn new(disks: u8) -> State { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_disks` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:106:33 [INFO] [stdout] | [INFO] [stdout] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | fn get_tower(&self, peg: Peg) -> &Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:116:28 [INFO] [stdout] | [INFO] [stdout] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `peg` [INFO] [stdout] --> src/main.rs:133:29 [INFO] [stdout] | [INFO] [stdout] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `disk` [INFO] [stdout] --> src/main.rs:133:39 [INFO] [stdout] | [INFO] [stdout] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_disk` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mov` [INFO] [stdout] --> src/main.rs:151:27 [INFO] [stdout] | [INFO] [stdout] 151 | fn do_move(&mut self, mov: Move) -> Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_mov` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | let mut state = State::new(user_start_size.unwrap_or(START_SIZE)); [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: field is never read: `left` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | left: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `center` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | center: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `right` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | right: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | Move(Move), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Win` [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Continue` [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | Continue, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnknownCommand` [INFO] [stdout] --> src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | UnknownCommand, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnstableStack` [INFO] [stdout] --> src/main.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | UnstableStack(Peg, Disk), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EmptyFrom` [INFO] [stdout] --> src/main.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | EmptyFrom(Peg), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_tower_mut` [INFO] [stdout] --> src/main.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_disk` [INFO] [stdout] --> src/main.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_disk` [INFO] [stdout] --> src/main.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn peek_disk(&self, peg: Peg) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_disk` [INFO] [stdout] --> src/main.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `done` [INFO] [stdout] --> src/main.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | fn done(&self) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `do_move` [INFO] [stdout] --> src/main.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | fn do_move(&mut self, mov: Move) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a0eb8cad7d154b288a7496f3ddb6cf241b92bf569a95e4e9a1fcb7a2d73bd1a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0eb8cad7d154b288a7496f3ddb6cf241b92bf569a95e4e9a1fcb7a2d73bd1a5", kill_on_drop: false }` [INFO] [stdout] a0eb8cad7d154b288a7496f3ddb6cf241b92bf569a95e4e9a1fcb7a2d73bd1a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 8eb20c0d24e6f7f66666f95b898cfd7d4d718e79646ecedd4dc3166c4660af2b [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" "8eb20c0d24e6f7f66666f95b898cfd7d4d718e79646ecedd4dc3166c4660af2b", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/main.rs:94:17 [INFO] [stderr] | [INFO] [stderr] 94 | fn parse_action(input: &str) -> Result { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `action` [INFO] [stderr] --> src/main.rs:198:77 [INFO] [stderr] | [INFO] [stderr] 198 | let next_step_or_err = parse_action(line.as_str().trim()).and_then(|action| { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `from` [INFO] [stderr] --> src/main.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_from` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `to` [INFO] [stderr] --> src/main.rs:32:23 [INFO] [stderr] | [INFO] [stderr] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_to` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peg` [INFO] [stderr] --> src/main.rs:77:39 [INFO] [stderr] | [INFO] [stderr] 77 | HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(), [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/main.rs:77:49 [INFO] [stderr] | [INFO] [stderr] 77 | HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peg` [INFO] [stderr] --> src/main.rs:78:35 [INFO] [stderr] | [INFO] [stderr] 78 | HanoiError::EmptyFrom(peg) => unimplemented!(), [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `disks` [INFO] [stderr] --> src/main.rs:101:12 [INFO] [stderr] | [INFO] [stderr] 101 | fn new(disks: u8) -> State { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_disks` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peg` [INFO] [stderr] --> src/main.rs:106:33 [INFO] [stderr] | [INFO] [stderr] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peg` [INFO] [stderr] --> src/main.rs:111:25 [INFO] [stderr] | [INFO] [stderr] 111 | fn get_tower(&self, peg: Peg) -> &Vec { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peg` [INFO] [stderr] --> src/main.rs:116:28 [INFO] [stderr] | [INFO] [stderr] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `peg` [INFO] [stderr] --> src/main.rs:133:29 [INFO] [stderr] | [INFO] [stderr] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_peg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `disk` [INFO] [stderr] --> src/main.rs:133:39 [INFO] [stderr] | [INFO] [stderr] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_disk` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mov` [INFO] [stderr] --> src/main.rs:151:27 [INFO] [stderr] | [INFO] [stderr] 151 | fn do_move(&mut self, mov: Move) -> Result { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_mov` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | let mut state = State::new(user_start_size.unwrap_or(START_SIZE)); [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: field is never read: `left` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | left: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `center` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | center: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `right` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | right: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | fn new(from: Peg, to: Peg) -> Move { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Move` [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | Move(Move), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Win` [INFO] [stderr] --> src/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | Win, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Continue` [INFO] [stderr] --> src/main.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | Continue, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `UnknownCommand` [INFO] [stderr] --> src/main.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | UnknownCommand, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `UnstableStack` [INFO] [stderr] --> src/main.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | UnstableStack(Peg, Disk), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `EmptyFrom` [INFO] [stderr] --> src/main.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | EmptyFrom(Peg), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_tower_mut` [INFO] [stderr] --> src/main.rs:106:8 [INFO] [stderr] | [INFO] [stderr] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop_disk` [INFO] [stderr] --> src/main.rs:116:8 [INFO] [stderr] | [INFO] [stderr] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_disk` [INFO] [stderr] --> src/main.rs:121:8 [INFO] [stderr] | [INFO] [stderr] 121 | fn peek_disk(&self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_disk` [INFO] [stderr] --> src/main.rs:133:8 [INFO] [stderr] | [INFO] [stderr] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `done` [INFO] [stderr] --> src/main.rs:138:8 [INFO] [stderr] | [INFO] [stderr] 138 | fn done(&self) -> bool { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `do_move` [INFO] [stderr] --> src/main.rs:151:8 [INFO] [stderr] | [INFO] [stderr] 151 | fn do_move(&mut self, mov: Move) -> Result { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 33 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wk0_starter-1cbbbb0c16e74269 [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" "8eb20c0d24e6f7f66666f95b898cfd7d4d718e79646ecedd4dc3166c4660af2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eb20c0d24e6f7f66666f95b898cfd7d4d718e79646ecedd4dc3166c4660af2b", kill_on_drop: false }` [INFO] [stdout] 8eb20c0d24e6f7f66666f95b898cfd7d4d718e79646ecedd4dc3166c4660af2b