[INFO] fetching crate string_iter 0.1.0... [INFO] checking string_iter-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate string_iter 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate string_iter 0.1.0 [INFO] finished tweaking crates.io crate string_iter 0.1.0 [INFO] tweaked toml for crates.io crate string_iter 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate string_iter 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 69 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding itertools v0.11.0 (available: v0.14.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfea7486b3e9867b0fcf75eafc480873a79d93d898a0da46ea46997104125ab2 [INFO] running `Command { std: "docker" "start" "-a" "dfea7486b3e9867b0fcf75eafc480873a79d93d898a0da46ea46997104125ab2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfea7486b3e9867b0fcf75eafc480873a79d93d898a0da46ea46997104125ab2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfea7486b3e9867b0fcf75eafc480873a79d93d898a0da46ea46997104125ab2", kill_on_drop: false }` [INFO] [stdout] dfea7486b3e9867b0fcf75eafc480873a79d93d898a0da46ea46997104125ab2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ceb0218f2d47ebdc23a1a3654267bc2d894c07e9a553b1aa4b6aefd02016d46 [INFO] running `Command { std: "docker" "start" "-a" "7ceb0218f2d47ebdc23a1a3654267bc2d894c07e9a553b1aa4b6aefd02016d46", kill_on_drop: false }` [INFO] [stderr] Checking clap_builder v4.5.51 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking string_iter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking is-terminal v0.4.17 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stdout] warning: methods `slice_front_ptr` and `slice_back_ptr` are never used [INFO] [stdout] --> src/lib.rs:332:15 [INFO] [stdout] | [INFO] [stdout] 304 | impl<'t> StringIter<'t> { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 332 | unsafe fn slice_front_ptr(&self, ptr: *const u8) -> &'t str{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 337 | unsafe fn slice_back_ptr(&self, ptr: *const u8) -> &'t str{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/slice.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | self.try_next_slice(pat).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/slice.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | self.try_next_slice_back(pat).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/iter_fns.rs:267:16 [INFO] [stdout] | [INFO] [stdout] 267 | if f.matches(c, s).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/iter_fns.rs:289:25 [INFO] [stdout] | [INFO] [stdout] 289 | if !f.matches(s2c1(s), s).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/iter_fns.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | if !f.matches(s2c2(s), s).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/iter_fns.rs:309:25 [INFO] [stdout] | [INFO] [stdout] 309 | if !f.matches(s2c3(s), s).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/iter_fns.rs:318:21 [INFO] [stdout] | [INFO] [stdout] 318 | if !f.matches(s2c4(s), s).unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/interval.rs:88:72 [INFO] [stdout] | [INFO] [stdout] 88 | fn matches(&mut self, _: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 89 | | self.cursor += 1; [INFO] [stdout] 90 | | if self.cursor.is_negative() { [INFO] [stdout] 91 | | return Ok(false); [INFO] [stdout] ... | [INFO] [stdout] 95 | | self.interval.iter().any(|x| x.get() == self.cursor as usize)) [INFO] [stdout] 96 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/interval.rs:91:20 [INFO] [stdout] | [INFO] [stdout] 91 | return Ok(false); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/interval.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | / Ok(self.cursor == 0 || [INFO] [stdout] 95 | | self.interval.iter().any(|x| x.get() == self.cursor as usize)) [INFO] [stdout] | |__________________________________________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:62:72 [INFO] [stdout] | [INFO] [stdout] 62 | fn matches(&mut self, _: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 63 | | *self -= 1; [INFO] [stdout] 64 | | Ok(*self == -1) [INFO] [stdout] 65 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | Ok(*self == -1) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:70:72 [INFO] [stdout] | [INFO] [stdout] 70 | fn matches(&mut self, _: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 71 | | self.end -= 1; [INFO] [stdout] 72 | | Ok(self.contains(&-1)) [INFO] [stdout] 73 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | Ok(self.contains(&-1)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:78:72 [INFO] [stdout] | [INFO] [stdout] 78 | fn matches(&mut self, c: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 79 | | Ok(self.contains(&c)) [INFO] [stdout] 80 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | Ok(self.contains(&c)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:85:72 [INFO] [stdout] | [INFO] [stdout] 85 | fn matches(&mut self, c: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 86 | | Ok(c == *self) [INFO] [stdout] 87 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | Ok(c == *self) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:92:72 [INFO] [stdout] | [INFO] [stdout] 92 | fn matches(&mut self, _: char, s: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 93 | | Ok(s.starts_with(*self)) [INFO] [stdout] 94 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | Ok(s.starts_with(*self)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:103:72 [INFO] [stdout] | [INFO] [stdout] 103 | fn matches(&mut self, c: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 104 | | Ok(self.contains(&c)) [INFO] [stdout] 105 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | Ok(self.contains(&c)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:110:72 [INFO] [stdout] | [INFO] [stdout] 110 | fn matches(&mut self, c: char, _: &str) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 111 | | Ok(self.contains(&c)) [INFO] [stdout] 112 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | Ok(self.contains(&c)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:130:45 [INFO] [stdout] | [INFO] [stdout] 130 | fn get(self) -> Result { [INFO] [stdout] | _____________________________________________^ [INFO] [stdout] 131 | | Ok(self) [INFO] [stdout] 132 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:280:76 [INFO] [stdout] | [INFO] [stdout] 280 | fn matches(&mut self, _: char, s: &str) -> Result { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 281 | | Ok(self == &s) [INFO] [stdout] 282 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:281:13 [INFO] [stdout] | [INFO] [stdout] 281 | Ok(self == &s) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:291:76 [INFO] [stdout] | [INFO] [stdout] 291 | fn matches(&mut self, _: char, s: &str) -> Result { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 292 | | Ok(self == &s) [INFO] [stdout] 293 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pattern.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | Ok(self == &s) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `string_iter` (lib) due to 30 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7ceb0218f2d47ebdc23a1a3654267bc2d894c07e9a553b1aa4b6aefd02016d46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ceb0218f2d47ebdc23a1a3654267bc2d894c07e9a553b1aa4b6aefd02016d46", kill_on_drop: false }` [INFO] [stdout] 7ceb0218f2d47ebdc23a1a3654267bc2d894c07e9a553b1aa4b6aefd02016d46