[INFO] cloning repository hmc-memsafe-2016f/wk0-starter [INFO] running `"git" "clone" "--bare" "git://github.com/hmc-memsafe-2016f/wk0-starter.git" "work/cache/sources/gh/hmc-memsafe-2016f/wk0-starter"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/hmc-memsafe-2016f/wk0-starter'... [INFO] running `"git" "clone" "work/cache/sources/gh/hmc-memsafe-2016f/wk0-starter" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hmc-memsafe-2016f/wk0-starter"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hmc-memsafe-2016f/wk0-starter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hmc-memsafe-2016f/wk0-starter" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/hmc-memsafe-2016f/wk0-starter"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/hmc-memsafe-2016f/wk0-starter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 509905703e51ca040ffc433f2c314da4f515107e [INFO] sha for GitHub repo hmc-memsafe-2016f/wk0-starter: 509905703e51ca040ffc433f2c314da4f515107e [INFO] validating manifest of hmc-memsafe-2016f/wk0-starter on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hmc-memsafe-2016f/wk0-starter on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hmc-memsafe-2016f/wk0-starter [INFO] finished frobbing hmc-memsafe-2016f/wk0-starter [INFO] frobbed toml for hmc-memsafe-2016f/wk0-starter written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hmc-memsafe-2016f/wk0-starter/Cargo.toml [INFO] started frobbing hmc-memsafe-2016f/wk0-starter [INFO] finished frobbing hmc-memsafe-2016f/wk0-starter [INFO] frobbed toml for hmc-memsafe-2016f/wk0-starter written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/hmc-memsafe-2016f/wk0-starter/Cargo.toml [INFO] crate hmc-memsafe-2016f/wk0-starter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing hmc-memsafe-2016f/wk0-starter against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hmc-memsafe-2016f/wk0-starter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] eabbecabc4a258c70c3c75c818571db07f524bca0fac39ae0016455a5c6e1e1c [INFO] running `"docker" "start" "-a" "eabbecabc4a258c70c3c75c818571db07f524bca0fac39ae0016455a5c6e1e1c"` [INFO] [stderr] Compiling wk0-starter v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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 used: `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 used: `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 used: `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] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `"docker" "inspect" "eabbecabc4a258c70c3c75c818571db07f524bca0fac39ae0016455a5c6e1e1c"` [INFO] running `"docker" "rm" "-f" "eabbecabc4a258c70c3c75c818571db07f524bca0fac39ae0016455a5c6e1e1c"` [INFO] [stdout] eabbecabc4a258c70c3c75c818571db07f524bca0fac39ae0016455a5c6e1e1c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hmc-memsafe-2016f/wk0-starter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 4f7147d015e06a8ecf5b06b26375fd62586c14d72e55db356f0222adbf1762b6 [INFO] running `"docker" "start" "-a" "4f7147d015e06a8ecf5b06b26375fd62586c14d72e55db356f0222adbf1762b6"` [INFO] [stderr] Compiling wk0-starter v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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 used: `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 used: `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 used: `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] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "4f7147d015e06a8ecf5b06b26375fd62586c14d72e55db356f0222adbf1762b6"` [INFO] running `"docker" "rm" "-f" "4f7147d015e06a8ecf5b06b26375fd62586c14d72e55db356f0222adbf1762b6"` [INFO] [stdout] 4f7147d015e06a8ecf5b06b26375fd62586c14d72e55db356f0222adbf1762b6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hmc-memsafe-2016f/wk0-starter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 156ee8f247674afb3df2bde093fffeb3150a209bb472244ba93e58779f5d5a70 [INFO] running `"docker" "start" "-a" "156ee8f247674afb3df2bde093fffeb3150a209bb472244ba93e58779f5d5a70"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/wk0_starter-f07ff1da27f8cd85 [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" "156ee8f247674afb3df2bde093fffeb3150a209bb472244ba93e58779f5d5a70"` [INFO] running `"docker" "rm" "-f" "156ee8f247674afb3df2bde093fffeb3150a209bb472244ba93e58779f5d5a70"` [INFO] [stdout] 156ee8f247674afb3df2bde093fffeb3150a209bb472244ba93e58779f5d5a70