[INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] error: unable to write symref for HEAD: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver/objects/info: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-merge-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver/hooks/pre-merge-commit.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver/hooks/pre-receive.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 14) [INFO] cloning repository https://github.com/tomscallon/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomscallon/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ce17c3776b3a96bb653b88232b5dfabefc30c9e [INFO] checking tomscallon/sudoku-solver against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomscallon/sudoku-solver on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomscallon/sudoku-solver [INFO] finished tweaking git repo https://github.com/tomscallon/sudoku-solver [INFO] tweaked toml for git repo https://github.com/tomscallon/sudoku-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tomscallon/sudoku-solver 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2bc12d4b5b892e52b9a9ebe6a722785e126c1d8be28488780541a3d00a92eb9 [INFO] running `Command { std: "docker" "start" "-a" "f2bc12d4b5b892e52b9a9ebe6a722785e126c1d8be28488780541a3d00a92eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2bc12d4b5b892e52b9a9ebe6a722785e126c1d8be28488780541a3d00a92eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2bc12d4b5b892e52b9a9ebe6a722785e126c1d8be28488780541a3d00a92eb9", kill_on_drop: false }` [INFO] [stdout] f2bc12d4b5b892e52b9a9ebe6a722785e126c1d8be28488780541a3d00a92eb9 [INFO] checking tomscallon/sudoku-solver against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomscallon%2Fsudoku-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomscallon/sudoku-solver on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomscallon/sudoku-solver [INFO] finished tweaking git repo https://github.com/tomscallon/sudoku-solver [INFO] tweaked toml for git repo https://github.com/tomscallon/sudoku-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tomscallon/sudoku-solver 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ee64f37393a1633991f30956a11119da9bfebb75d90fce79d0c29398f95bac5 [INFO] running `Command { std: "docker" "start" "-a" "6ee64f37393a1633991f30956a11119da9bfebb75d90fce79d0c29398f95bac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ee64f37393a1633991f30956a11119da9bfebb75d90fce79d0c29398f95bac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ee64f37393a1633991f30956a11119da9bfebb75d90fce79d0c29398f95bac5", kill_on_drop: false }` [INFO] [stdout] 6ee64f37393a1633991f30956a11119da9bfebb75d90fce79d0c29398f95bac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4521f91b6516b8409aec8bc4bc416bf6593208d34f000b6af294f56ff5180de7 [INFO] running `Command { std: "docker" "start" "-a" "4521f91b6516b8409aec8bc4bc416bf6593208d34f000b6af294f56ff5180de7", kill_on_drop: false }` [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::solve::solve` [INFO] [stdout] --> src/constraints.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use self::solve::solve; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::solve::solve` [INFO] [stdout] --> src/constraints.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use self::solve::solve; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/constraints/typedefs.rs:128:6 [INFO] [stdout] | [INFO] [stdout] 127 | pub trait Constraint { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 128 | fn apply(&self, value: u8, pos: &Position) -> HashMap>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RowConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:148:8 [INFO] [stdout] | [INFO] [stdout] 148 | struct RowConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ColumnConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct ColumnConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CellConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:162:8 [INFO] [stdout] | [INFO] [stdout] 162 | struct CellConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DiagonalConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 170 | struct DiagonalConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PuzzleBuilder` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:187:8 [INFO] [stdout] | [INFO] [stdout] 187 | struct PuzzleBuilder { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/constraints/typedefs.rs:194:10 [INFO] [stdout] | [INFO] [stdout] 193 | impl PuzzleBuilder { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 194 | pub fn new() -> PuzzleBuilder { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 202 | pub fn add_group(&mut self, g: Group) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 207 | pub fn add_row_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 214 | pub fn add_col_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 221 | pub fn add_cell_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 235 | pub fn add_diag_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 241 | pub fn add_constraint(&mut self, c: Box) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 246 | pub fn add_clue(&mut self, pos: Position, value: u8) -> &mut Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | pub fn add_clues(&mut self, clues: HashMap) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 256 | pub fn build(self) -> Puzzle { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Puzzle` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:265:12 [INFO] [stdout] | [INFO] [stdout] 265 | pub struct Puzzle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `standard` is never used [INFO] [stdout] --> src/constraints/typedefs.rs:272:10 [INFO] [stdout] | [INFO] [stdout] 271 | impl Puzzle { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 272 | pub fn standard(clues: HashMap) -> Puzzle { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:283:12 [INFO] [stdout] | [INFO] [stdout] 283 | pub struct Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/constraints/solve.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solve(puzzle: Puzzle) -> Solution { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply` is never used [INFO] [stdout] --> src/constraints/typedefs.rs:128:6 [INFO] [stdout] | [INFO] [stdout] 127 | pub trait Constraint { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 128 | fn apply(&self, value: u8, pos: &Position) -> HashMap>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RowConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:148:8 [INFO] [stdout] | [INFO] [stdout] 148 | struct RowConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ColumnConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct ColumnConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CellConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:162:8 [INFO] [stdout] | [INFO] [stdout] 162 | struct CellConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DiagonalConstraint` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 170 | struct DiagonalConstraint {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PuzzleBuilder` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:187:8 [INFO] [stdout] | [INFO] [stdout] 187 | struct PuzzleBuilder { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/constraints/typedefs.rs:194:10 [INFO] [stdout] | [INFO] [stdout] 193 | impl PuzzleBuilder { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 194 | pub fn new() -> PuzzleBuilder { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 202 | pub fn add_group(&mut self, g: Group) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 207 | pub fn add_row_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 214 | pub fn add_col_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 221 | pub fn add_cell_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 235 | pub fn add_diag_groups(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 241 | pub fn add_constraint(&mut self, c: Box) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 246 | pub fn add_clue(&mut self, pos: Position, value: u8) -> &mut Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 251 | pub fn add_clues(&mut self, clues: HashMap) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 256 | pub fn build(self) -> Puzzle { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Puzzle` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:265:12 [INFO] [stdout] | [INFO] [stdout] 265 | pub struct Puzzle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `standard` is never used [INFO] [stdout] --> src/constraints/typedefs.rs:272:10 [INFO] [stdout] | [INFO] [stdout] 271 | impl Puzzle { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 272 | pub fn standard(clues: HashMap) -> Puzzle { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/constraints/typedefs.rs:283:12 [INFO] [stdout] | [INFO] [stdout] 283 | pub struct Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/constraints/solve.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solve(puzzle: Puzzle) -> Solution { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "4521f91b6516b8409aec8bc4bc416bf6593208d34f000b6af294f56ff5180de7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4521f91b6516b8409aec8bc4bc416bf6593208d34f000b6af294f56ff5180de7", kill_on_drop: false }` [INFO] [stdout] 4521f91b6516b8409aec8bc4bc416bf6593208d34f000b6af294f56ff5180de7