[INFO] updating cached repository https://github.com/hmc-memsafe-2016f/wk0-starter [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 509905703e51ca040ffc433f2c314da4f515107e [INFO] testing hmc-memsafe-2016f/wk0-starter against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmc-memsafe-2016f%2Fwk0-starter" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hmc-memsafe-2016f/wk0-starter on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4e34c5307d3b07918e7458f0e54a49942d6bfc8092fa49a8aa3b136022c22dbd [INFO] running `"docker" "start" "-a" "4e34c5307d3b07918e7458f0e54a49942d6bfc8092fa49a8aa3b136022c22dbd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling wk0-starter v0.1.0 (/opt/rustwide/workdir) [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: method is never used: `new` [INFO] [stderr] --> src/main.rs:32:5 [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: method is never used: `get_tower_mut` [INFO] [stderr] --> src/main.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_disk` [INFO] [stderr] --> src/main.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_disk` [INFO] [stderr] --> src/main.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 121 | fn peek_disk(&self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_disk` [INFO] [stderr] --> src/main.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `done` [INFO] [stderr] --> src/main.rs:138:5 [INFO] [stderr] | [INFO] [stderr] 138 | fn done(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `do_move` [INFO] [stderr] --> src/main.rs:151:5 [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 dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `"docker" "inspect" "4e34c5307d3b07918e7458f0e54a49942d6bfc8092fa49a8aa3b136022c22dbd"` [INFO] running `"docker" "rm" "-f" "4e34c5307d3b07918e7458f0e54a49942d6bfc8092fa49a8aa3b136022c22dbd"` [INFO] [stdout] 4e34c5307d3b07918e7458f0e54a49942d6bfc8092fa49a8aa3b136022c22dbd [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f60495db4eee299206800795dd39b74a0a748c4abc1289f9a8b8f56823544af7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f60495db4eee299206800795dd39b74a0a748c4abc1289f9a8b8f56823544af7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling wk0-starter v0.1.0 (/opt/rustwide/workdir) [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: method is never used: `new` [INFO] [stderr] --> src/main.rs:32:5 [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: method is never used: `get_tower_mut` [INFO] [stderr] --> src/main.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_disk` [INFO] [stderr] --> src/main.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_disk` [INFO] [stderr] --> src/main.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 121 | fn peek_disk(&self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_disk` [INFO] [stderr] --> src/main.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `done` [INFO] [stderr] --> src/main.rs:138:5 [INFO] [stderr] | [INFO] [stderr] 138 | fn done(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `do_move` [INFO] [stderr] --> src/main.rs:151:5 [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 0.40s [INFO] running `"docker" "inspect" "f60495db4eee299206800795dd39b74a0a748c4abc1289f9a8b8f56823544af7"` [INFO] running `"docker" "rm" "-f" "f60495db4eee299206800795dd39b74a0a748c4abc1289f9a8b8f56823544af7"` [INFO] [stdout] f60495db4eee299206800795dd39b74a0a748c4abc1289f9a8b8f56823544af7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stdout] 3f93c27ee6663caaabeb28ef0715f4b9b51b7e7251556f74a6c4f55a6f23ebb0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "3f93c27ee6663caaabeb28ef0715f4b9b51b7e7251556f74a6c4f55a6f23ebb0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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: method is never used: `new` [INFO] [stderr] --> src/main.rs:32:5 [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: method is never used: `get_tower_mut` [INFO] [stderr] --> src/main.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_disk` [INFO] [stderr] --> src/main.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | fn pop_disk(&mut self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_disk` [INFO] [stderr] --> src/main.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 121 | fn peek_disk(&self, peg: Peg) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_disk` [INFO] [stderr] --> src/main.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `done` [INFO] [stderr] --> src/main.rs:138:5 [INFO] [stderr] | [INFO] [stderr] 138 | fn done(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `do_move` [INFO] [stderr] --> src/main.rs:151:5 [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 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wk0_starter-05eb3b9b71b5553d [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 `"docker" "inspect" "3f93c27ee6663caaabeb28ef0715f4b9b51b7e7251556f74a6c4f55a6f23ebb0"` [INFO] running `"docker" "rm" "-f" "3f93c27ee6663caaabeb28ef0715f4b9b51b7e7251556f74a6c4f55a6f23ebb0"` [INFO] [stdout] 3f93c27ee6663caaabeb28ef0715f4b9b51b7e7251556f74a6c4f55a6f23ebb0