Nov 17 01:18:00.626 INFO testing hmc-memsafe-2016f/wk0-starter against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 01:18:00.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 01:18:00.913 INFO [stdout] 8f3ee6dc99c6bb53f231736566e50205d44032e1d190ee7becc3f848c5fcd872
Nov 17 01:18:00.920 INFO running `"docker" "start" "-a" "8f3ee6dc99c6bb53f231736566e50205d44032e1d190ee7becc3f848c5fcd872"`
Nov 17 01:18:01.531 INFO [stderr] usermod: no changes
Nov 17 01:18:01.571 INFO [stderr]    Compiling wk0-starter v0.1.0 (/source)
Nov 17 01:18:01.919 INFO [stderr] warning: unused variable: `input`
Nov 17 01:18:01.919 INFO [stderr]   --> src/main.rs:94:17
Nov 17 01:18:01.919 INFO [stderr]    |
Nov 17 01:18:01.919 INFO [stderr] 94 | fn parse_action(input: &str) -> Result<Action,HanoiError> {
Nov 17 01:18:01.919 INFO [stderr]    |                 ^^^^^ help: consider using `_input` instead
Nov 17 01:18:01.919 INFO [stderr]    |
Nov 17 01:18:01.919 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 01:18:01.919 INFO [stderr] 
Nov 17 01:18:01.919 INFO [stderr] warning: unused variable: `action`
Nov 17 01:18:01.919 INFO [stderr]    --> src/main.rs:198:77
Nov 17 01:18:01.919 INFO [stderr]     |
Nov 17 01:18:01.919 INFO [stderr] 198 |         let next_step_or_err = parse_action(line.as_str().trim()).and_then(|action| {
Nov 17 01:18:01.919 INFO [stderr]     |                                                                             ^^^^^^ help: consider using `_action` instead
Nov 17 01:18:01.919 INFO [stderr] 
Nov 17 01:18:01.919 INFO [stderr] warning: unused variable: `from`
Nov 17 01:18:01.919 INFO [stderr]   --> src/main.rs:32:12
Nov 17 01:18:01.920 INFO [stderr]    |
Nov 17 01:18:01.920 INFO [stderr] 32 |     fn new(from: Peg, to: Peg) -> Move {
Nov 17 01:18:01.920 INFO [stderr]    |            ^^^^ help: consider using `_from` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `to`
Nov 17 01:18:01.920 INFO [stderr]   --> src/main.rs:32:23
Nov 17 01:18:01.920 INFO [stderr]    |
Nov 17 01:18:01.920 INFO [stderr] 32 |     fn new(from: Peg, to: Peg) -> Move {
Nov 17 01:18:01.920 INFO [stderr]    |                       ^^ help: consider using `_to` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:01.920 INFO [stderr]   --> src/main.rs:77:39
Nov 17 01:18:01.920 INFO [stderr]    |
Nov 17 01:18:01.920 INFO [stderr] 77 |             HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(),
Nov 17 01:18:01.920 INFO [stderr]    |                                       ^^^ help: consider using `_peg` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `size`
Nov 17 01:18:01.920 INFO [stderr]   --> src/main.rs:77:49
Nov 17 01:18:01.920 INFO [stderr]    |
Nov 17 01:18:01.920 INFO [stderr] 77 |             HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(),
Nov 17 01:18:01.920 INFO [stderr]    |                                                 ^^^^ help: consider using `_size` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:01.920 INFO [stderr]   --> src/main.rs:78:35
Nov 17 01:18:01.920 INFO [stderr]    |
Nov 17 01:18:01.920 INFO [stderr] 78 |             HanoiError::EmptyFrom(peg) => unimplemented!(),
Nov 17 01:18:01.920 INFO [stderr]    |                                   ^^^ help: consider using `_peg` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `disks`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:101:12
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 101 |     fn new(disks: u8) -> State {
Nov 17 01:18:01.920 INFO [stderr]     |            ^^^^^ help: consider using `_disks` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:106:33
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 106 |     fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec<Disk> {
Nov 17 01:18:01.920 INFO [stderr]     |                                 ^^^ help: consider using `_peg` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:111:25
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 111 |     fn get_tower(&self, peg: Peg) -> &Vec<Disk> {
Nov 17 01:18:01.920 INFO [stderr]     |                         ^^^ help: consider using `_peg` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:116:28
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 116 |     fn pop_disk(&mut self, peg: Peg) -> Option<Disk> {
Nov 17 01:18:01.920 INFO [stderr]     |                            ^^^ help: consider using `_peg` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:133:29
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 133 |     fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> {
Nov 17 01:18:01.920 INFO [stderr]     |                             ^^^ help: consider using `_peg` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `disk`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:133:39
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 133 |     fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> {
Nov 17 01:18:01.920 INFO [stderr]     |                                       ^^^^ help: consider using `_disk` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.920 INFO [stderr] warning: unused variable: `mov`
Nov 17 01:18:01.920 INFO [stderr]    --> src/main.rs:151:27
Nov 17 01:18:01.920 INFO [stderr]     |
Nov 17 01:18:01.920 INFO [stderr] 151 |     fn do_move(&mut self, mov: Move) -> Result<NextStep, HanoiError> {
Nov 17 01:18:01.920 INFO [stderr]     |                           ^^^ help: consider using `_mov` instead
Nov 17 01:18:01.920 INFO [stderr] 
Nov 17 01:18:01.937 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:18:01.937 INFO [stderr]    --> src/main.rs:188:9
Nov 17 01:18:01.937 INFO [stderr]     |
Nov 17 01:18:01.937 INFO [stderr] 188 |     let mut state = State::new(user_start_size.unwrap_or(START_SIZE));
Nov 17 01:18:01.937 INFO [stderr]     |         ----^^^^^
Nov 17 01:18:01.937 INFO [stderr]     |         |
Nov 17 01:18:01.937 INFO [stderr]     |         help: remove this `mut`
Nov 17 01:18:01.937 INFO [stderr]     |
Nov 17 01:18:01.937 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 01:18:01.937 INFO [stderr] 
Nov 17 01:18:01.938 INFO [stderr] warning: field is never used: `left`
Nov 17 01:18:01.938 INFO [stderr]   --> src/main.rs:19:5
Nov 17 01:18:01.938 INFO [stderr]    |
Nov 17 01:18:01.938 INFO [stderr] 19 |     left: Vec<Disk>,
Nov 17 01:18:01.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 17 01:18:01.938 INFO [stderr]    |
Nov 17 01:18:01.938 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 01:18:01.938 INFO [stderr] 
Nov 17 01:18:01.938 INFO [stderr] warning: field is never used: `center`
Nov 17 01:18:01.938 INFO [stderr]   --> src/main.rs:20:5
Nov 17 01:18:01.938 INFO [stderr]    |
Nov 17 01:18:01.938 INFO [stderr] 20 |     center: Vec<Disk>,
Nov 17 01:18:01.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.938 INFO [stderr] 
Nov 17 01:18:01.938 INFO [stderr] warning: field is never used: `right`
Nov 17 01:18:01.938 INFO [stderr]   --> src/main.rs:21:5
Nov 17 01:18:01.938 INFO [stderr]    |
Nov 17 01:18:01.938 INFO [stderr] 21 |     right: Vec<Disk>,
Nov 17 01:18:01.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 01:18:01.938 INFO [stderr] 
Nov 17 01:18:01.939 INFO [stderr] warning: method is never used: `new`
Nov 17 01:18:01.939 INFO [stderr]   --> src/main.rs:32:5
Nov 17 01:18:01.939 INFO [stderr]    |
Nov 17 01:18:01.939 INFO [stderr] 32 |     fn new(from: Peg, to: Peg) -> Move {
Nov 17 01:18:01.939 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.939 INFO [stderr] 
Nov 17 01:18:01.939 INFO [stderr] warning: variant is never constructed: `Move`
Nov 17 01:18:01.939 INFO [stderr]   --> src/main.rs:47:5
Nov 17 01:18:01.939 INFO [stderr]    |
Nov 17 01:18:01.939 INFO [stderr] 47 |     Move(Move),
Nov 17 01:18:01.939 INFO [stderr]    |     ^^^^^^^^^^
Nov 17 01:18:01.939 INFO [stderr] 
Nov 17 01:18:01.939 INFO [stderr] warning: variant is never constructed: `Quit`
Nov 17 01:18:01.939 INFO [stderr]   --> src/main.rs:49:5
Nov 17 01:18:01.939 INFO [stderr]    |
Nov 17 01:18:01.939 INFO [stderr] 49 |     Quit,
Nov 17 01:18:01.939 INFO [stderr]    |     ^^^^
Nov 17 01:18:01.939 INFO [stderr] 
Nov 17 01:18:01.939 INFO [stderr] warning: variant is never constructed: `Quit`
Nov 17 01:18:01.939 INFO [stderr]   --> src/main.rs:56:5
Nov 17 01:18:01.939 INFO [stderr]    |
Nov 17 01:18:01.939 INFO [stderr] 56 |     Quit,
Nov 17 01:18:01.939 INFO [stderr]    |     ^^^^
Nov 17 01:18:01.939 INFO [stderr] 
Nov 17 01:18:01.939 INFO [stderr] warning: variant is never constructed: `Win`
Nov 17 01:18:01.939 INFO [stderr]   --> src/main.rs:58:5
Nov 17 01:18:01.939 INFO [stderr]    |
Nov 17 01:18:01.939 INFO [stderr] 58 |     Win,
Nov 17 01:18:01.939 INFO [stderr]    |     ^^^
Nov 17 01:18:01.939 INFO [stderr] 
Nov 17 01:18:01.940 INFO [stderr] warning: variant is never constructed: `Continue`
Nov 17 01:18:01.940 INFO [stderr]   --> src/main.rs:60:5
Nov 17 01:18:01.940 INFO [stderr]    |
Nov 17 01:18:01.940 INFO [stderr] 60 |     Continue,
Nov 17 01:18:01.940 INFO [stderr]    |     ^^^^^^^^
Nov 17 01:18:01.940 INFO [stderr] 
Nov 17 01:18:01.940 INFO [stderr] warning: variant is never constructed: `UnknownCommand`
Nov 17 01:18:01.940 INFO [stderr]   --> src/main.rs:66:5
Nov 17 01:18:01.940 INFO [stderr]    |
Nov 17 01:18:01.940 INFO [stderr] 66 |     UnknownCommand,
Nov 17 01:18:01.940 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 01:18:01.940 INFO [stderr] 
Nov 17 01:18:01.940 INFO [stderr] warning: variant is never constructed: `UnstableStack`
Nov 17 01:18:01.940 INFO [stderr]   --> src/main.rs:68:5
Nov 17 01:18:01.940 INFO [stderr]    |
Nov 17 01:18:01.940 INFO [stderr] 68 |     UnstableStack(Peg, Disk),
Nov 17 01:18:01.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.940 INFO [stderr] 
Nov 17 01:18:01.940 INFO [stderr] warning: variant is never constructed: `EmptyFrom`
Nov 17 01:18:01.940 INFO [stderr]   --> src/main.rs:70:5
Nov 17 01:18:01.940 INFO [stderr]    |
Nov 17 01:18:01.940 INFO [stderr] 70 |     EmptyFrom(Peg),
Nov 17 01:18:01.940 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 01:18:01.940 INFO [stderr] 
Nov 17 01:18:01.941 INFO [stderr] warning: method is never used: `get_tower_mut`
Nov 17 01:18:01.941 INFO [stderr]    --> src/main.rs:106:5
Nov 17 01:18:01.941 INFO [stderr]     |
Nov 17 01:18:01.941 INFO [stderr] 106 |     fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec<Disk> {
Nov 17 01:18:01.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.941 INFO [stderr] 
Nov 17 01:18:01.941 INFO [stderr] warning: method is never used: `pop_disk`
Nov 17 01:18:01.941 INFO [stderr]    --> src/main.rs:116:5
Nov 17 01:18:01.941 INFO [stderr]     |
Nov 17 01:18:01.941 INFO [stderr] 116 |     fn pop_disk(&mut self, peg: Peg) -> Option<Disk> {
Nov 17 01:18:01.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.941 INFO [stderr] 
Nov 17 01:18:01.941 INFO [stderr] warning: method is never used: `peek_disk`
Nov 17 01:18:01.941 INFO [stderr]    --> src/main.rs:121:5
Nov 17 01:18:01.941 INFO [stderr]     |
Nov 17 01:18:01.941 INFO [stderr] 121 |     fn peek_disk(&self, peg: Peg) -> Option<Disk> {
Nov 17 01:18:01.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.941 INFO [stderr] 
Nov 17 01:18:01.941 INFO [stderr] warning: method is never used: `push_disk`
Nov 17 01:18:01.941 INFO [stderr]    --> src/main.rs:133:5
Nov 17 01:18:01.941 INFO [stderr]     |
Nov 17 01:18:01.941 INFO [stderr] 133 |     fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> {
Nov 17 01:18:01.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.941 INFO [stderr] 
Nov 17 01:18:01.941 INFO [stderr] warning: method is never used: `done`
Nov 17 01:18:01.941 INFO [stderr]    --> src/main.rs:138:5
Nov 17 01:18:01.941 INFO [stderr]     |
Nov 17 01:18:01.941 INFO [stderr] 138 |     fn done(&self) -> bool {
Nov 17 01:18:01.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.941 INFO [stderr] 
Nov 17 01:18:01.941 INFO [stderr] warning: method is never used: `do_move`
Nov 17 01:18:01.941 INFO [stderr]    --> src/main.rs:151:5
Nov 17 01:18:01.941 INFO [stderr]     |
Nov 17 01:18:01.941 INFO [stderr] 151 |     fn do_move(&mut self, mov: Move) -> Result<NextStep, HanoiError> {
Nov 17 01:18:01.941 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:01.941 INFO [stderr] 
Nov 17 01:18:02.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 17 01:18:02.467 INFO [stderr] su: No module specific data is present
Nov 17 01:18:02.772 INFO running `"docker" "inspect" "8f3ee6dc99c6bb53f231736566e50205d44032e1d190ee7becc3f848c5fcd872"`
Nov 17 01:18:02.871 INFO running `"docker" "rm" "-f" "8f3ee6dc99c6bb53f231736566e50205d44032e1d190ee7becc3f848c5fcd872"`
Nov 17 01:18:03.028 INFO [stdout] 8f3ee6dc99c6bb53f231736566e50205d44032e1d190ee7becc3f848c5fcd872
Nov 17 01:18:03.031 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 01:18:03.337 INFO [stdout] f80283dac03b955ef8e6d52767cc22e7a2e46a7a629036d45b3b2f9936ff6088
Nov 17 01:18:03.341 INFO running `"docker" "start" "-a" "f80283dac03b955ef8e6d52767cc22e7a2e46a7a629036d45b3b2f9936ff6088"`
Nov 17 01:18:03.783 INFO [stderr] usermod: no changes
Nov 17 01:18:03.815 INFO [stderr]    Compiling wk0-starter v0.1.0 (/source)
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `input`
Nov 17 01:18:04.144 INFO [stderr]   --> src/main.rs:94:17
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr] 94 | fn parse_action(input: &str) -> Result<Action,HanoiError> {
Nov 17 01:18:04.144 INFO [stderr]    |                 ^^^^^ help: consider using `_input` instead
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `action`
Nov 17 01:18:04.144 INFO [stderr]    --> src/main.rs:198:77
Nov 17 01:18:04.144 INFO [stderr]     |
Nov 17 01:18:04.144 INFO [stderr] 198 |         let next_step_or_err = parse_action(line.as_str().trim()).and_then(|action| {
Nov 17 01:18:04.144 INFO [stderr]     |                                                                             ^^^^^^ help: consider using `_action` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `from`
Nov 17 01:18:04.144 INFO [stderr]   --> src/main.rs:32:12
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr] 32 |     fn new(from: Peg, to: Peg) -> Move {
Nov 17 01:18:04.144 INFO [stderr]    |            ^^^^ help: consider using `_from` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `to`
Nov 17 01:18:04.144 INFO [stderr]   --> src/main.rs:32:23
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr] 32 |     fn new(from: Peg, to: Peg) -> Move {
Nov 17 01:18:04.144 INFO [stderr]    |                       ^^ help: consider using `_to` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:04.144 INFO [stderr]   --> src/main.rs:77:39
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr] 77 |             HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(),
Nov 17 01:18:04.144 INFO [stderr]    |                                       ^^^ help: consider using `_peg` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `size`
Nov 17 01:18:04.144 INFO [stderr]   --> src/main.rs:77:49
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr] 77 |             HanoiError::UnstableStack(peg, Disk(size)) => unimplemented!(),
Nov 17 01:18:04.144 INFO [stderr]    |                                                 ^^^^ help: consider using `_size` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:04.144 INFO [stderr]   --> src/main.rs:78:35
Nov 17 01:18:04.144 INFO [stderr]    |
Nov 17 01:18:04.144 INFO [stderr] 78 |             HanoiError::EmptyFrom(peg) => unimplemented!(),
Nov 17 01:18:04.144 INFO [stderr]    |                                   ^^^ help: consider using `_peg` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `disks`
Nov 17 01:18:04.144 INFO [stderr]    --> src/main.rs:101:12
Nov 17 01:18:04.144 INFO [stderr]     |
Nov 17 01:18:04.144 INFO [stderr] 101 |     fn new(disks: u8) -> State {
Nov 17 01:18:04.144 INFO [stderr]     |            ^^^^^ help: consider using `_disks` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:04.144 INFO [stderr]    --> src/main.rs:106:33
Nov 17 01:18:04.144 INFO [stderr]     |
Nov 17 01:18:04.144 INFO [stderr] 106 |     fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec<Disk> {
Nov 17 01:18:04.144 INFO [stderr]     |                                 ^^^ help: consider using `_peg` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:04.144 INFO [stderr]    --> src/main.rs:111:25
Nov 17 01:18:04.144 INFO [stderr]     |
Nov 17 01:18:04.144 INFO [stderr] 111 |     fn get_tower(&self, peg: Peg) -> &Vec<Disk> {
Nov 17 01:18:04.144 INFO [stderr]     |                         ^^^ help: consider using `_peg` instead
Nov 17 01:18:04.144 INFO [stderr] 
Nov 17 01:18:04.144 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:04.144 INFO [stderr]    --> src/main.rs:116:28
Nov 17 01:18:04.145 INFO [stderr]     |
Nov 17 01:18:04.145 INFO [stderr] 116 |     fn pop_disk(&mut self, peg: Peg) -> Option<Disk> {
Nov 17 01:18:04.145 INFO [stderr]     |                            ^^^ help: consider using `_peg` instead
Nov 17 01:18:04.145 INFO [stderr] 
Nov 17 01:18:04.145 INFO [stderr] warning: unused variable: `peg`
Nov 17 01:18:04.145 INFO [stderr]    --> src/main.rs:133:29
Nov 17 01:18:04.145 INFO [stderr]     |
Nov 17 01:18:04.145 INFO [stderr] 133 |     fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> {
Nov 17 01:18:04.145 INFO [stderr]     |                             ^^^ help: consider using `_peg` instead
Nov 17 01:18:04.145 INFO [stderr] 
Nov 17 01:18:04.145 INFO [stderr] warning: unused variable: `disk`
Nov 17 01:18:04.145 INFO [stderr]    --> src/main.rs:133:39
Nov 17 01:18:04.145 INFO [stderr]     |
Nov 17 01:18:04.145 INFO [stderr] 133 |     fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> {
Nov 17 01:18:04.145 INFO [stderr]     |                                       ^^^^ help: consider using `_disk` instead
Nov 17 01:18:04.145 INFO [stderr] 
Nov 17 01:18:04.145 INFO [stderr] warning: unused variable: `mov`
Nov 17 01:18:04.145 INFO [stderr]    --> src/main.rs:151:27
Nov 17 01:18:04.145 INFO [stderr]     |
Nov 17 01:18:04.145 INFO [stderr] 151 |     fn do_move(&mut self, mov: Move) -> Result<NextStep, HanoiError> {
Nov 17 01:18:04.145 INFO [stderr]     |                           ^^^ help: consider using `_mov` instead
Nov 17 01:18:04.145 INFO [stderr] 
Nov 17 01:18:04.176 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:18:04.176 INFO [stderr]    --> src/main.rs:188:9
Nov 17 01:18:04.176 INFO [stderr]     |
Nov 17 01:18:04.176 INFO [stderr] 188 |     let mut state = State::new(user_start_size.unwrap_or(START_SIZE));
Nov 17 01:18:04.176 INFO [stderr]     |         ----^^^^^
Nov 17 01:18:04.176 INFO [stderr]     |         |
Nov 17 01:18:04.176 INFO [stderr]     |         help: remove this `mut`
Nov 17 01:18:04.176 INFO [stderr]     |
Nov 17 01:18:04.176 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 01:18:04.176 INFO [stderr] 
Nov 17 01:18:04.176 INFO [stderr] warning: field is never used: `left`
Nov 17 01:18:04.176 INFO [stderr]   --> src/main.rs:19:5
Nov 17 01:18:04.176 INFO [stderr]    |
Nov 17 01:18:04.176 INFO [stderr] 19 |     left: Vec<Disk>,
Nov 17 01:18:04.176 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 17 01:18:04.176 INFO [stderr]    |
Nov 17 01:18:04.176 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 01:18:04.176 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: field is never used: `center`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:20:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 20 |     center: Vec<Disk>,
Nov 17 01:18:04.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.179 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: field is never used: `right`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:21:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 21 |     right: Vec<Disk>,
Nov 17 01:18:04.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 01:18:04.179 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: method is never used: `new`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:32:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 32 |     fn new(from: Peg, to: Peg) -> Move {
Nov 17 01:18:04.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.179 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: variant is never constructed: `Move`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:47:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 47 |     Move(Move),
Nov 17 01:18:04.179 INFO [stderr]    |     ^^^^^^^^^^
Nov 17 01:18:04.179 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: variant is never constructed: `Quit`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:49:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 49 |     Quit,
Nov 17 01:18:04.179 INFO [stderr]    |     ^^^^
Nov 17 01:18:04.179 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: variant is never constructed: `Quit`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:56:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 56 |     Quit,
Nov 17 01:18:04.179 INFO [stderr]    |     ^^^^
Nov 17 01:18:04.179 INFO [stderr] 
Nov 17 01:18:04.179 INFO [stderr] warning: variant is never constructed: `Win`
Nov 17 01:18:04.179 INFO [stderr]   --> src/main.rs:58:5
Nov 17 01:18:04.179 INFO [stderr]    |
Nov 17 01:18:04.179 INFO [stderr] 58 |     Win,
Nov 17 01:18:04.180 INFO [stderr]    |     ^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: variant is never constructed: `Continue`
Nov 17 01:18:04.180 INFO [stderr]   --> src/main.rs:60:5
Nov 17 01:18:04.180 INFO [stderr]    |
Nov 17 01:18:04.180 INFO [stderr] 60 |     Continue,
Nov 17 01:18:04.180 INFO [stderr]    |     ^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: variant is never constructed: `UnknownCommand`
Nov 17 01:18:04.180 INFO [stderr]   --> src/main.rs:66:5
Nov 17 01:18:04.180 INFO [stderr]    |
Nov 17 01:18:04.180 INFO [stderr] 66 |     UnknownCommand,
Nov 17 01:18:04.180 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: variant is never constructed: `UnstableStack`
Nov 17 01:18:04.180 INFO [stderr]   --> src/main.rs:68:5
Nov 17 01:18:04.180 INFO [stderr]    |
Nov 17 01:18:04.180 INFO [stderr] 68 |     UnstableStack(Peg, Disk),
Nov 17 01:18:04.180 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: variant is never constructed: `EmptyFrom`
Nov 17 01:18:04.180 INFO [stderr]   --> src/main.rs:70:5
Nov 17 01:18:04.180 INFO [stderr]    |
Nov 17 01:18:04.180 INFO [stderr] 70 |     EmptyFrom(Peg),
Nov 17 01:18:04.180 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: method is never used: `get_tower_mut`
Nov 17 01:18:04.180 INFO [stderr]    --> src/main.rs:106:5
Nov 17 01:18:04.180 INFO [stderr]     |
Nov 17 01:18:04.180 INFO [stderr] 106 |     fn get_tower_mut(&mut self, peg: Peg) -> &mut Vec<Disk> {
Nov 17 01:18:04.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: method is never used: `pop_disk`
Nov 17 01:18:04.180 INFO [stderr]    --> src/main.rs:116:5
Nov 17 01:18:04.180 INFO [stderr]     |
Nov 17 01:18:04.180 INFO [stderr] 116 |     fn pop_disk(&mut self, peg: Peg) -> Option<Disk> {
Nov 17 01:18:04.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: method is never used: `peek_disk`
Nov 17 01:18:04.180 INFO [stderr]    --> src/main.rs:121:5
Nov 17 01:18:04.180 INFO [stderr]     |
Nov 17 01:18:04.180 INFO [stderr] 121 |     fn peek_disk(&self, peg: Peg) -> Option<Disk> {
Nov 17 01:18:04.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: method is never used: `push_disk`
Nov 17 01:18:04.180 INFO [stderr]    --> src/main.rs:133:5
Nov 17 01:18:04.180 INFO [stderr]     |
Nov 17 01:18:04.180 INFO [stderr] 133 |     fn push_disk(&mut self, peg: Peg, disk: Disk) -> Result<(), HanoiError> {
Nov 17 01:18:04.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: method is never used: `done`
Nov 17 01:18:04.180 INFO [stderr]    --> src/main.rs:138:5
Nov 17 01:18:04.180 INFO [stderr]     |
Nov 17 01:18:04.180 INFO [stderr] 138 |     fn done(&self) -> bool {
Nov 17 01:18:04.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.180 INFO [stderr] warning: method is never used: `do_move`
Nov 17 01:18:04.180 INFO [stderr]    --> src/main.rs:151:5
Nov 17 01:18:04.180 INFO [stderr]     |
Nov 17 01:18:04.180 INFO [stderr] 151 |     fn do_move(&mut self, mov: Move) -> Result<NextStep, HanoiError> {
Nov 17 01:18:04.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 01:18:04.180 INFO [stderr] 
Nov 17 01:18:04.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Nov 17 01:18:04.374 INFO [stderr] su: No module specific data is present
Nov 17 01:18:04.674 INFO running `"docker" "inspect" "f80283dac03b955ef8e6d52767cc22e7a2e46a7a629036d45b3b2f9936ff6088"`
Nov 17 01:18:04.759 INFO running `"docker" "rm" "-f" "f80283dac03b955ef8e6d52767cc22e7a2e46a7a629036d45b3b2f9936ff6088"`
Nov 17 01:18:04.875 INFO [stdout] f80283dac03b955ef8e6d52767cc22e7a2e46a7a629036d45b3b2f9936ff6088
Nov 17 01:18:04.877 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 01:18:05.072 INFO [stdout] b7dc54c295ded11e77e72e594a5389d6c67ac054b1b455df7f2ece4730013841
Nov 17 01:18:05.074 INFO running `"docker" "start" "-a" "b7dc54c295ded11e77e72e594a5389d6c67ac054b1b455df7f2ece4730013841"`
Nov 17 01:18:05.520 INFO [stderr] usermod: no changes
Nov 17 01:18:05.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 01:18:05.552 INFO [stderr]      Running /target/debug/deps/wk0_starter-7555473804068500
Nov 17 01:18:05.555 INFO [stdout] 
Nov 17 01:18:05.555 INFO [stdout] running 0 tests
Nov 17 01:18:05.555 INFO [stdout] 
Nov 17 01:18:05.555 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 01:18:05.555 INFO [stdout] 
Nov 17 01:18:05.555 INFO [stderr] su: No module specific data is present
Nov 17 01:18:05.864 INFO running `"docker" "inspect" "b7dc54c295ded11e77e72e594a5389d6c67ac054b1b455df7f2ece4730013841"`
Nov 17 01:18:05.949 INFO running `"docker" "rm" "-f" "b7dc54c295ded11e77e72e594a5389d6c67ac054b1b455df7f2ece4730013841"`
Nov 17 01:18:06.039 INFO [stdout] b7dc54c295ded11e77e72e594a5389d6c67ac054b1b455df7f2ece4730013841