[INFO] cloning repository https://github.com/philippeitis/RuzzleSolverRS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philippeitis/RuzzleSolverRS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippeitis%2FRuzzleSolverRS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippeitis%2FRuzzleSolverRS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddf3ee3955b4138324427606f757f721d922e645
[INFO] checking philippeitis/RuzzleSolverRS against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippeitis%2FRuzzleSolverRS" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philippeitis/RuzzleSolverRS on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/philippeitis/RuzzleSolverRS
[INFO] finished tweaking git repo https://github.com/philippeitis/RuzzleSolverRS
[INFO] tweaked toml for git repo https://github.com/philippeitis/RuzzleSolverRS written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/philippeitis/RuzzleSolverRS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6f693652c28bf57f1e20cb642c92b0f90b97fa3d7f181829fb3fc730a573954
[INFO] running `Command { std: "docker" "start" "-a" "a6f693652c28bf57f1e20cb642c92b0f90b97fa3d7f181829fb3fc730a573954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6f693652c28bf57f1e20cb642c92b0f90b97fa3d7f181829fb3fc730a573954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f693652c28bf57f1e20cb642c92b0f90b97fa3d7f181829fb3fc730a573954", kill_on_drop: false }`
[INFO] [stdout] a6f693652c28bf57f1e20cb642c92b0f90b97fa3d7f181829fb3fc730a573954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e868a2a37f85eae556bd3239e0678a4cd1a0794b9ddb6fe5904e352e5722bb85
[INFO] running `Command { std: "docker" "start" "-a" "e868a2a37f85eae556bd3239e0678a4cd1a0794b9ddb6fe5904e352e5722bb85", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking ruzzle_solver v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `ruzzle_solver`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     /// Paths consist of 12 five bit vertices:
[INFO] [stderr] 118 | |     /// [continuation_flag:1][x:2][y:2]
[INFO] [stderr]     | |_______________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 125 | /     while let Some((path, word, word_pts, word_mult, mut word_len, mut visited)) = stack.pop() {
[INFO] [stderr] 126 | |         if (word_len >= MIN_WORD_LEN) & (word_len <= MAX_WORD_LEN) & board.dictionary.contains(&word) {
[INFO] [stderr] 127 | |             let mut score = word_pts * (word_mult as u16);
[INFO] [stderr] 128 | |             if word_len > 4 {
[INFO] [stderr] ...   |
[INFO] [stderr] 163 | |         }
[INFO] [stderr] 164 | |     }
[INFO] [stderr]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:86:48
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let max_bit = path_to_vec_buffered(path_as_u64, &mut path_buf_);
[INFO] [stderr]    |                                                ^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stderr]    |
[INFO] [stderr] help: consider dereferencing the borrow
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let max_bit = path_to_vec_buffered(*path_as_u64, &mut path_buf_);
[INFO] [stderr]    |                                                +
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     /// Paths consist of 12 five bit vertices:
[INFO] [stdout] 118 | |     /// [continuation_flag:1][x:2][y:2]
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     while let Some((path, word, word_pts, word_mult, mut word_len, mut visited)) = stack.pop() {
[INFO] [stdout] 126 | |         if (word_len >= MIN_WORD_LEN) & (word_len <= MAX_WORD_LEN) & board.dictionary.contains(&word) {
[INFO] [stdout] 127 | |             let mut score = word_pts * (word_mult as u16);
[INFO] [stdout] 128 | |             if word_len > 4 {
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |         }
[INFO] [stdout] 164 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     /// Paths consist of 12 five bit vertices:
[INFO] [stdout] 118 | |     /// [continuation_flag:1][x:2][y:2]
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     while let Some((path, word, word_pts, word_mult, mut word_len, mut visited)) = stack.pop() {
[INFO] [stdout] 126 | |         if (word_len >= MIN_WORD_LEN) & (word_len <= MAX_WORD_LEN) & board.dictionary.contains(&word) {
[INFO] [stdout] 127 | |             let mut score = word_pts * (word_mult as u16);
[INFO] [stdout] 128 | |             if word_len > 4 {
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |         }
[INFO] [stdout] 164 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         for (word, score, mut path_as_u64) in self.word_info.iter() {
[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: constant is never used: `PREFIX_LOWER_BOUND`
[INFO] [stdout]   --> src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | const PREFIX_LOWER_BOUND: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path_to_vec`
[INFO] [stdout]    --> src/main.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn path_to_vec(path_as_u64: u64) -> Vec<(u8, u8)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         for (word, score, mut path_as_u64) in self.word_info.iter() {
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PREFIX_LOWER_BOUND`
[INFO] [stdout]   --> src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | const PREFIX_LOWER_BOUND: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path_to_vec`
[INFO] [stdout]    --> src/main.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn path_to_vec(path_as_u64: u64) -> Vec<(u8, u8)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ruzzle_solver v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     /// Paths consist of 12 five bit vertices:
[INFO] [stdout] 118 | |     /// [continuation_flag:1][x:2][y:2]
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     while let Some((path, word, word_pts, word_mult, mut word_len, mut visited)) = stack.pop() {
[INFO] [stdout] 126 | |         if (word_len >= MIN_WORD_LEN) & (word_len <= MAX_WORD_LEN) & board.dictionary.contains(&word) {
[INFO] [stdout] 127 | |             let mut score = word_pts * (word_mult as u16);
[INFO] [stdout] 128 | |             if word_len > 4 {
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |         }
[INFO] [stdout] 164 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     /// Paths consist of 12 five bit vertices:
[INFO] [stdout] 118 | |     /// [continuation_flag:1][x:2][y:2]
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     while let Some((path, word, word_pts, word_mult, mut word_len, mut visited)) = stack.pop() {
[INFO] [stdout] 126 | |         if (word_len >= MIN_WORD_LEN) & (word_len <= MAX_WORD_LEN) & board.dictionary.contains(&word) {
[INFO] [stdout] 127 | |             let mut score = word_pts * (word_mult as u16);
[INFO] [stdout] 128 | |             if word_len > 4 {
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |         }
[INFO] [stdout] 164 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         for (word, score, mut path_as_u64) in self.word_info.iter() {
[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: constant is never used: `PREFIX_LOWER_BOUND`
[INFO] [stdout]   --> src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | const PREFIX_LOWER_BOUND: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path_to_vec`
[INFO] [stdout]    --> src/main.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn path_to_vec(path_as_u64: u64) -> Vec<(u8, u8)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         for (word, score, mut path_as_u64) in self.word_info.iter() {
[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: constant is never used: `PREFIX_LOWER_BOUND`
[INFO] [stdout]   --> src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | const PREFIX_LOWER_BOUND: u8 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `path_to_vec`
[INFO] [stdout]    --> src/main.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn path_to_vec(path_as_u64: u64) -> Vec<(u8, u8)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e868a2a37f85eae556bd3239e0678a4cd1a0794b9ddb6fe5904e352e5722bb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e868a2a37f85eae556bd3239e0678a4cd1a0794b9ddb6fe5904e352e5722bb85", kill_on_drop: false }`
[INFO] [stdout] e868a2a37f85eae556bd3239e0678a4cd1a0794b9ddb6fe5904e352e5722bb85