[INFO] cloning repository https://github.com/ben-lewington/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ben-lewington/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-lewington%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-lewington%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a898886dcc3926acc640c8a161fd484dba4567ec [INFO] checking ben-lewington/sudoku/a898886dcc3926acc640c8a161fd484dba4567ec against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fben-lewington%2Fsudoku" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ben-lewington/sudoku on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ben-lewington/sudoku [INFO] finished tweaking git repo https://github.com/ben-lewington/sudoku [INFO] tweaked toml for git repo https://github.com/ben-lewington/sudoku written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ben-lewington/sudoku 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bounded-integer v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f72b2bdf9380c6009608ece4c2fbd516b6975627e2d00a2c5cd87258d956b965 [INFO] running `Command { std: "docker" "start" "-a" "f72b2bdf9380c6009608ece4c2fbd516b6975627e2d00a2c5cd87258d956b965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f72b2bdf9380c6009608ece4c2fbd516b6975627e2d00a2c5cd87258d956b965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f72b2bdf9380c6009608ece4c2fbd516b6975627e2d00a2c5cd87258d956b965", kill_on_drop: false }` [INFO] [stdout] f72b2bdf9380c6009608ece4c2fbd516b6975627e2d00a2c5cd87258d956b965 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3e4f005ef831724667785f6a33cf6587652d519743ba59d96a3fca3db174361 [INFO] running `Command { std: "docker" "start" "-a" "e3e4f005ef831724667785f6a33cf6587652d519743ba59d96a3fca3db174361", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.81 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling bumpalo v3.10.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling anyhow v1.0.61 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling wasm-bindgen v0.2.81 [INFO] [stderr] Checking bounded-integer v0.5.2 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.81 [INFO] [stderr] Compiling thiserror-impl v1.0.32 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.81 [INFO] [stderr] Checking thiserror v1.0.32 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.81 [INFO] [stderr] Checking sudoku_gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `RC` is never constructed [INFO] [stdout] --> src/board/index.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub(crate) enum Index { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 22 | Std(usize), [INFO] [stdout] 23 | RC(usize, usize), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Index` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `rc` is never used [INFO] [stdout] --> src/board/index.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 26 | / impl Index [INFO] [stdout] 27 | | where [INFO] [stdout] 28 | | [(); N * N * N * N - 1]: Sized, [INFO] [stdout] 29 | | [(); N * N - 1]: Sized, [INFO] [stdout] | |___________________________- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn rc(r: usize, c: usize) -> Result { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `new_checked` is never used [INFO] [stdout] --> src/utils/array.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) fn new_checked( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fill_mut` is never used [INFO] [stdout] --> src/utils/array.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn fill_mut(mut hydrate: [T; N], it: impl Iterator) -> [T; N] { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RC` is never constructed [INFO] [stdout] --> src/board/index.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub(crate) enum Index { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 22 | Std(usize), [INFO] [stdout] 23 | RC(usize, usize), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Index` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `rc` is never used [INFO] [stdout] --> src/board/index.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 26 | / impl Index [INFO] [stdout] 27 | | where [INFO] [stdout] 28 | | [(); N * N * N * N - 1]: Sized, [INFO] [stdout] 29 | | [(); N * N - 1]: Sized, [INFO] [stdout] | |___________________________- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn rc(r: usize, c: usize) -> Result { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `new_checked` is never used [INFO] [stdout] --> src/utils/array.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) fn new_checked( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fill_mut` is never used [INFO] [stdout] --> src/utils/array.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn fill_mut(mut hydrate: [T; N], it: impl Iterator) -> [T; N] { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e3e4f005ef831724667785f6a33cf6587652d519743ba59d96a3fca3db174361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3e4f005ef831724667785f6a33cf6587652d519743ba59d96a3fca3db174361", kill_on_drop: false }` [INFO] [stdout] e3e4f005ef831724667785f6a33cf6587652d519743ba59d96a3fca3db174361