[INFO] cloning repository https://github.com/bpeel/vaflo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpeel/vaflo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpeel%2Fvaflo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpeel%2Fvaflo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6379233716ee3f6802bdc8416b754376ba0c58af [INFO] checking bpeel/vaflo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpeel%2Fvaflo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bpeel/vaflo on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bpeel/vaflo [INFO] finished tweaking git repo https://github.com/bpeel/vaflo [INFO] tweaked toml for git repo https://github.com/bpeel/vaflo written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bpeel/vaflo already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded temp-dir v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd01816268aec0754c1078c64e04ae8af6c855b73aa9ca629df3db7c9fd37100 [INFO] running `Command { std: "docker" "start" "-a" "bd01816268aec0754c1078c64e04ae8af6c855b73aa9ca629df3db7c9fd37100", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd01816268aec0754c1078c64e04ae8af6c855b73aa9ca629df3db7c9fd37100", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd01816268aec0754c1078c64e04ae8af6c855b73aa9ca629df3db7c9fd37100", kill_on_drop: false }` [INFO] [stdout] bd01816268aec0754c1078c64e04ae8af6c855b73aa9ca629df3db7c9fd37100 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2eb2c0346fc1eed4f2b0cd3f85848b2919c99327c70c2882f33b5795ab89eb0e [INFO] running `Command { std: "docker" "start" "-a" "2eb2c0346fc1eed4f2b0cd3f85848b2919c99327c70c2882f33b5795ab89eb0e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling temp-dir v0.1.11 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Compiling gettext-sys v0.21.3 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking regex-automata v0.3.3 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking locale_config v0.3.0 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Checking clap v4.5.15 [INFO] [stderr] Checking gettext-rs v0.7.0 [INFO] [stderr] Checking vaflo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `contains` is never used [INFO] [stdout] --> src/dictionary.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Dictionary { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn contains>(&self, word: I) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StackEntry` is never constructed [INFO] [stdout] --> src/dictionary.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | struct StackEntry<'a> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WordIterator` is never constructed [INFO] [stdout] --> src/dictionary.rs:126:12 [INFO] [stdout] | [INFO] [stdout] 126 | pub struct WordIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `next` are never used [INFO] [stdout] --> src/dictionary.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 131 | impl<'a> WordIterator<'a> { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 132 | pub fn new(dictionary: &'a Dictionary) -> WordIterator<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | pub fn next(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_solved` is never used [INFO] [stdout] --> src/grid.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl PuzzleGrid { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn is_solved(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_grid` is never used [INFO] [stdout] --> src/letter_grid.rs:151:12 [INFO] [stdout] | [INFO] [stdout] 150 | impl LetterGrid { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 151 | pub fn from_grid(grid: &grid::Grid) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StackEntry` is never constructed [INFO] [stdout] --> src/dictionary.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | struct StackEntry<'a> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WordIterator` is never constructed [INFO] [stdout] --> src/dictionary.rs:126:12 [INFO] [stdout] | [INFO] [stdout] 126 | pub struct WordIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `next` are never used [INFO] [stdout] --> src/dictionary.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 131 | impl<'a> WordIterator<'a> { [INFO] [stdout] | ------------------------- associated items in this implementation [INFO] [stdout] 132 | pub fn new(dictionary: &'a Dictionary) -> WordIterator<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | pub fn next(&mut self) -> Option<&str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_solved` is never used [INFO] [stdout] --> src/grid.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl PuzzleGrid { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn is_solved(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N_SPACING_LETTERS` is never used [INFO] [stdout] --> src/grid.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | pub const N_SPACING_LETTERS: usize = WORD_LENGTH - N_WORDS_ON_AXIS; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `N_LETTERS` is never used [INFO] [stdout] --> src/grid.rs:23:11 [INFO] [stdout] | [INFO] [stdout] 23 | pub const N_LETTERS: usize = [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_solved` is never used [INFO] [stdout] --> src/grid.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl PuzzleGrid { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn is_solved(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/swap_solver.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/swap_solver.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_solved` is never used [INFO] [stdout] --> src/grid.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 90 | impl PuzzleGrid { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn is_solved(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 41s [INFO] running `Command { std: "docker" "inspect" "2eb2c0346fc1eed4f2b0cd3f85848b2919c99327c70c2882f33b5795ab89eb0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2eb2c0346fc1eed4f2b0cd3f85848b2919c99327c70c2882f33b5795ab89eb0e", kill_on_drop: false }` [INFO] [stdout] 2eb2c0346fc1eed4f2b0cd3f85848b2919c99327c70c2882f33b5795ab89eb0e