[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 master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippeitis%2FRuzzleSolverRS" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/philippeitis/RuzzleSolverRS on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b6e08d76b5fd1714c6528858cc99911530e6ce1f401b7e862f1e6b58ecefde94 [INFO] running `Command { std: "docker" "start" "-a" "b6e08d76b5fd1714c6528858cc99911530e6ce1f401b7e862f1e6b58ecefde94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6e08d76b5fd1714c6528858cc99911530e6ce1f401b7e862f1e6b58ecefde94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6e08d76b5fd1714c6528858cc99911530e6ce1f401b7e862f1e6b58ecefde94", kill_on_drop: false }` [INFO] [stdout] b6e08d76b5fd1714c6528858cc99911530e6ce1f401b7e862f1e6b58ecefde94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 03d8050ba86fd97977e68a571d83a89c8a6ea77345f4a342f4bc21c5715dad11 [INFO] running `Command { std: "docker" "start" "-a" "03d8050ba86fd97977e68a571d83a89c8a6ea77345f4a342f4bc21c5715dad11", kill_on_drop: false }` [INFO] [stderr] Checking ruzzle_solver v0.1.0 (/opt/rustwide/workdir) [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] [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] [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: 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: 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "03d8050ba86fd97977e68a571d83a89c8a6ea77345f4a342f4bc21c5715dad11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03d8050ba86fd97977e68a571d83a89c8a6ea77345f4a342f4bc21c5715dad11", kill_on_drop: false }` [INFO] [stdout] 03d8050ba86fd97977e68a571d83a89c8a6ea77345f4a342f4bc21c5715dad11