[INFO] cloning repository https://github.com/HonetwoH/regex-eng [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HonetwoH/regex-eng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHonetwoH%2Fregex-eng", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHonetwoH%2Fregex-eng'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50187476cce2b64a388e5dd7aa64a33dddd423fe [INFO] checking HonetwoH/regex-eng/50187476cce2b64a388e5dd7aa64a33dddd423fe against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125741 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHonetwoH%2Fregex-eng" "/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/HonetwoH/regex-eng on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HonetwoH/regex-eng [INFO] finished tweaking git repo https://github.com/HonetwoH/regex-eng [INFO] tweaked toml for git repo https://github.com/HonetwoH/regex-eng written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/HonetwoH/regex-eng 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92b8f991afd350b690bff8e06bae9c31f9d78b24f35c977c0bf7df030aaac76d [INFO] running `Command { std: "docker" "start" "-a" "92b8f991afd350b690bff8e06bae9c31f9d78b24f35c977c0bf7df030aaac76d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92b8f991afd350b690bff8e06bae9c31f9d78b24f35c977c0bf7df030aaac76d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92b8f991afd350b690bff8e06bae9c31f9d78b24f35c977c0bf7df030aaac76d", kill_on_drop: false }` [INFO] [stdout] 92b8f991afd350b690bff8e06bae9c31f9d78b24f35c977c0bf7df030aaac76d [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d2f03eaf2b4ad33a102771838b74b25b3fddc351d43c05448061d7e9a032906 [INFO] running `Command { std: "docker" "start" "-a" "8d2f03eaf2b4ad33a102771838b74b25b3fddc351d43c05448061d7e9a032906", kill_on_drop: false }` [INFO] [stderr] Checking regex-eng v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias `Expression` is never used [INFO] [stdout] --> src/scanner/mod.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | type Expression = (Anchor, Vec); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pattern` is never constructed [INFO] [stdout] --> src/scanner/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Pattern { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SubPattern` is never used [INFO] [stdout] --> src/scanner/mod.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | enum SubPattern { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Sets` is never used [INFO] [stdout] --> src/scanner/mod.rs:24:6 [INFO] [stdout] | [INFO] [stdout] 24 | enum Sets { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Range` is never constructed [INFO] [stdout] --> src/scanner/mod.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | struct Range { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Anchor` is never used [INFO] [stdout] --> src/scanner/mod.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | enum Anchor { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Repetition` is never used [INFO] [stdout] --> src/scanner/mod.rs:59:6 [INFO] [stdout] | [INFO] [stdout] 59 | enum Repetition { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process` is never used [INFO] [stdout] --> src/scanner/scanner.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | pub(super) fn process<'a>(line: &'a str) -> Expression { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_repetition` is never used [INFO] [stdout] --> src/scanner/scanner.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn check_repetition<'a>(iter: &mut Peekable>) -> Repetition { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InvertedChar`, `BracketedSet`, and `InvertedSet` are never constructed [INFO] [stdout] --> src/scanner/mod.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | enum SubPattern { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | InvertedChar(char), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 19 | BracketedSet(Sets), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 20 | InvertedSet(Sets), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SubPattern` 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: multiple variants are never constructed [INFO] [stdout] --> src/scanner/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | enum Sets { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 25 | AlphaNum, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | Alpha, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 27 | Blank, // TODO: how is that different from the space [INFO] [stdout] | ^^^^^ [INFO] [stdout] 28 | // Cntrl,// Control Sequence, will not implement [INFO] [stdout] 29 | Digit, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 30 | // Graph // Grapheme Cluster, will not implement for [INFO] [stdout] 31 | Lower, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 32 | Upper, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 33 | Print, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 34 | Punct, // Puntuation [INFO] [stdout] | ^^^^^ [INFO] [stdout] 35 | Space, // TODO: how is that different from the blank [INFO] [stdout] | ^^^^^ [INFO] [stdout] 36 | XDigit, // What is that [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 37 | [INFO] [stdout] 38 | Custom(Range), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sets` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Exactly`, `AtLeast`, `AtMost`, and `Between` are never constructed [INFO] [stdout] --> src/scanner/mod.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 59 | enum Repetition { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 63 | Exactly(usize), // {n} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 64 | AtLeast(usize), // {n,} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 65 | AtMost(usize), // {,m} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 66 | Between(usize, usize), // {n,m} // TODO: suggest a better name [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Repetition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "8d2f03eaf2b4ad33a102771838b74b25b3fddc351d43c05448061d7e9a032906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d2f03eaf2b4ad33a102771838b74b25b3fddc351d43c05448061d7e9a032906", kill_on_drop: false }` [INFO] [stdout] 8d2f03eaf2b4ad33a102771838b74b25b3fddc351d43c05448061d7e9a032906