[INFO] cloning repository https://github.com/ghaitben/ParserCombinator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghaitben/ParserCombinator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghaitben%2FParserCombinator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghaitben%2FParserCombinator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e6ba42b0526c3a131e92c29d38a2b90b9e2c1780 [INFO] checking ghaitben/ParserCombinator against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghaitben%2FParserCombinator" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ghaitben/ParserCombinator 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/ghaitben/ParserCombinator [INFO] finished tweaking git repo https://github.com/ghaitben/ParserCombinator [INFO] tweaked toml for git repo https://github.com/ghaitben/ParserCombinator written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ghaitben/ParserCombinator 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e5dbd2ef3613096d395f313ba818af588cef17c7541a024c81399261eaff3947 [INFO] running `Command { std: "docker" "start" "-a" "e5dbd2ef3613096d395f313ba818af588cef17c7541a024c81399261eaff3947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5dbd2ef3613096d395f313ba818af588cef17c7541a024c81399261eaff3947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5dbd2ef3613096d395f313ba818af588cef17c7541a024c81399261eaff3947", kill_on_drop: false }` [INFO] [stdout] e5dbd2ef3613096d395f313ba818af588cef17c7541a024c81399261eaff3947 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6e72a15102b8b0861bc7017ccc7e0b12d199a1571d2b5d54862a55d14fdafcfd [INFO] running `Command { std: "docker" "start" "-a" "6e72a15102b8b0861bc7017ccc7e0b12d199a1571d2b5d54862a55d14fdafcfd", kill_on_drop: false }` [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `ParseError` is never used [INFO] [stdout] --> src/lib.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | enum ParseError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ParseResult` is never used [INFO] [stdout] --> src/lib.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | type ParseResult = Result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Parser` is never used [INFO] [stdout] --> src/lib.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | trait Parser<'input, I, O> [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Or` is never constructed [INFO] [stdout] --> src/lib.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | struct Or { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Padded` is never constructed [INFO] [stdout] --> src/lib.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | struct Padded { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Filter` is never constructed [INFO] [stdout] --> src/lib.rs:179:8 [INFO] [stdout] | [INFO] [stdout] 179 | struct Filter { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RepeatedRange` is never used [INFO] [stdout] --> src/lib.rs:207:6 [INFO] [stdout] | [INFO] [stdout] 207 | enum RepeatedRange { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `start` and `end` are never used [INFO] [stdout] --> src/lib.rs:215:8 [INFO] [stdout] | [INFO] [stdout] 213 | impl RepeatedRange { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 214 | #[inline] [INFO] [stdout] 215 | fn start(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 224 | fn end(&self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Repeated` is never constructed [INFO] [stdout] --> src/lib.rs:234:8 [INFO] [stdout] | [INFO] [stdout] 234 | struct Repeated { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AtLeast` is never constructed [INFO] [stdout] --> src/lib.rs:241:8 [INFO] [stdout] | [INFO] [stdout] 241 | struct AtLeast(Repeated); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Exactly` is never constructed [INFO] [stdout] --> src/lib.rs:244:8 [INFO] [stdout] | [INFO] [stdout] 244 | struct Exactly(Repeated); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AtMost` is never constructed [INFO] [stdout] --> src/lib.rs:247:8 [INFO] [stdout] | [INFO] [stdout] 247 | struct AtMost(Repeated); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `at_least` and `exactly` are never used [INFO] [stdout] --> src/lib.rs:250:8 [INFO] [stdout] | [INFO] [stdout] 249 | impl Repeated { [INFO] [stdout] | --------------------------------- methods in this implementation [INFO] [stdout] 250 | fn at_least(self, at_least: usize) -> AtLeast { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 258 | fn exactly(self, count: usize) -> Exactly { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `at_most` and `collect` are never used [INFO] [stdout] --> src/lib.rs:268:8 [INFO] [stdout] | [INFO] [stdout] 267 | impl AtLeast { [INFO] [stdout] | -------------------------------- methods in this implementation [INFO] [stdout] 268 | fn at_most(self, at_most: usize) -> AtMost { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 278 | fn collect(self) -> Collect { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `collect` is never used [INFO] [stdout] --> src/lib.rs:288:8 [INFO] [stdout] | [INFO] [stdout] 287 | impl AtMost { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] 288 | fn collect(self) -> Collect { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `collect` is never used [INFO] [stdout] --> src/lib.rs:298:8 [INFO] [stdout] | [INFO] [stdout] 297 | impl Exactly { [INFO] [stdout] | -------------------------------- method in this implementation [INFO] [stdout] 298 | fn collect(self) -> Collect { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Collect` is never constructed [INFO] [stdout] --> src/lib.rs:308:8 [INFO] [stdout] | [INFO] [stdout] 308 | struct Collect { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Bind` is never constructed [INFO] [stdout] --> src/lib.rs:340:8 [INFO] [stdout] | [INFO] [stdout] 340 | struct Bind { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `And` is never constructed [INFO] [stdout] --> src/lib.rs:351:8 [INFO] [stdout] | [INFO] [stdout] 351 | struct And(Bind); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LeftBind` is never constructed [INFO] [stdout] --> src/lib.rs:355:8 [INFO] [stdout] | [INFO] [stdout] 355 | struct LeftBind(Bind); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RightBind` is never constructed [INFO] [stdout] --> src/lib.rs:359:8 [INFO] [stdout] | [INFO] [stdout] 359 | struct RightBind(Bind); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Map` is never constructed [INFO] [stdout] --> src/lib.rs:403:8 [INFO] [stdout] | [INFO] [stdout] 403 | struct Map { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Exact` is never constructed [INFO] [stdout] --> src/lib.rs:426:8 [INFO] [stdout] | [INFO] [stdout] 426 | struct Exact { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `exact` is never used [INFO] [stdout] --> src/lib.rs:431:4 [INFO] [stdout] | [INFO] [stdout] 431 | fn exact<'input, I, T>(seq: T) -> Exact [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `End` is never constructed [INFO] [stdout] --> src/lib.rs:468:8 [INFO] [stdout] | [INFO] [stdout] 468 | struct End { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `end` is never used [INFO] [stdout] --> src/lib.rs:472:4 [INFO] [stdout] | [INFO] [stdout] 472 | fn end<'input, I>() -> End [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Any` is never constructed [INFO] [stdout] --> src/lib.rs:497:8 [INFO] [stdout] | [INFO] [stdout] 497 | struct Any { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `any` is never used [INFO] [stdout] --> src/lib.rs:501:4 [INFO] [stdout] | [INFO] [stdout] 501 | fn any<'input, I>() -> Any [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OneOf` is never constructed [INFO] [stdout] --> src/lib.rs:525:8 [INFO] [stdout] | [INFO] [stdout] 525 | struct OneOf { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `one_of` is never used [INFO] [stdout] --> src/lib.rs:530:4 [INFO] [stdout] | [INFO] [stdout] 530 | fn one_of<'input, I, S>(container: Vec) -> OneOf [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next`, `slice`, and `start` are never used [INFO] [stdout] --> src/input.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Input<'input>: 'input { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 11 | fn next(&self, offset: Self::Offset) -> (Self::Offset, Option); [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | [INFO] [stdout] 13 | fn slice(&self, start: Self::Offset, end: Self::Offset) -> Self::Slice; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 14 | [INFO] [stdout] 15 | fn start(&self) -> Self::Offset; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InputRef` is never constructed [INFO] [stdout] --> src/input.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub struct InputRef<'input, 'parse, I> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/input.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 80 | / impl<'input, 'parse, I> InputRef<'input, 'parse, I> [INFO] [stdout] 81 | | where [INFO] [stdout] 82 | | I: Input<'input>, [INFO] [stdout] | |_____________________- associated items in this implementation [INFO] [stdout] 83 | { [INFO] [stdout] 84 | pub fn new(input: &'parse I) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn next(&mut self) -> (I::Offset, Option) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn next_offset(&mut self) -> I::Offset { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn next_token(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn peek(&self) -> (I::Offset, Option) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn peek_token(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | pub fn rewind(&mut self, offset: I::Offset) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 122 | pub fn start(&self) -> I::Offset { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 127 | pub fn offset(&self) -> I::Offset { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 132 | pub fn slice(&self, start: I::Offset, end: I::Offset) -> I::Slice { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iterator` is never used [INFO] [stdout] --> src/sequence.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait OrderedSequence { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 11 | fn iterator(&self) -> Self::Iter<'_>; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `push` is never used [INFO] [stdout] --> src/sequence.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub trait Container: Default { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 57 | fn push(&mut self, item: Self::Item); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 35 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse` is never used [INFO] [stdout] --> src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 15 | trait Parser<'input, I, O> [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 19 | fn parse(&self, input: I) -> ParseResult { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next_offset` is never used [INFO] [stdout] --> src/input.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 80 | / impl<'input, 'parse, I> InputRef<'input, 'parse, I> [INFO] [stdout] 81 | | where [INFO] [stdout] 82 | | I: Input<'input>, [INFO] [stdout] | |_____________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn next_offset(&mut self) -> I::Offset { [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 0.22s [INFO] running `Command { std: "docker" "inspect" "6e72a15102b8b0861bc7017ccc7e0b12d199a1571d2b5d54862a55d14fdafcfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e72a15102b8b0861bc7017ccc7e0b12d199a1571d2b5d54862a55d14fdafcfd", kill_on_drop: false }` [INFO] [stdout] 6e72a15102b8b0861bc7017ccc7e0b12d199a1571d2b5d54862a55d14fdafcfd