[INFO] fetching crate shtring 0.1.0...
[INFO] checking shtring-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate shtring 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate shtring 0.1.0
[INFO] finished tweaking crates.io crate shtring 0.1.0
[INFO] tweaked toml for crates.io crate shtring 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shtring 0.1.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a9b9de1e338f6674d09f693d48340353bbb575799cf7c884ab52fe220342350
[INFO] running `Command { std: "docker" "start" "-a" "1a9b9de1e338f6674d09f693d48340353bbb575799cf7c884ab52fe220342350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a9b9de1e338f6674d09f693d48340353bbb575799cf7c884ab52fe220342350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9b9de1e338f6674d09f693d48340353bbb575799cf7c884ab52fe220342350", kill_on_drop: false }`
[INFO] [stdout] 1a9b9de1e338f6674d09f693d48340353bbb575799cf7c884ab52fe220342350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6080d88dc6bdee471c253438656b9b153db56a420a8ad8b0a869ec58fc2ca689
[INFO] running `Command { std: "docker" "start" "-a" "6080d88dc6bdee471c253438656b9b153db56a420a8ad8b0a869ec58fc2ca689", kill_on_drop: false }`
[INFO] [stderr]     Checking shtring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lexer.rs:59:80
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     Some((cont, _)) => Some(Ok((idx, Token::Escape(&self.input[(idx..cont + 1)])))),
[INFO] [stdout]    |                                                                                ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -                     Some((cont, _)) => Some(Ok((idx, Token::Escape(&self.input[(idx..cont + 1)])))),
[INFO] [stdout] 59 +                     Some((cont, _)) => Some(Ok((idx, Token::Escape(&self.input[idx..cont + 1 ])))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lexer.rs:71:65
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     Some(Ok((idx, Token::Whitespace(&self.input[(idx..end + 1)]))))
[INFO] [stdout]    |                                                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                     Some(Ok((idx, Token::Whitespace(&self.input[(idx..end + 1)]))))
[INFO] [stdout] 71 +                     Some(Ok((idx, Token::Whitespace(&self.input[idx..end + 1 ]))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lexer.rs:82:59
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     Some(Ok((idx, Token::Word(&self.input[(idx..end + 1)]))))
[INFO] [stdout]    |                                                           ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -                     Some(Ok((idx, Token::Word(&self.input[(idx..end + 1)]))))
[INFO] [stdout] 82 +                     Some(Ok((idx, Token::Word(&self.input[idx..end + 1 ]))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/parser.rs:63:97
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   Some(Ok((cont, Token::Whitespace(_)))) => break Some(Ok(&self.input[(idx..cont)])),
[INFO] [stdout]    |                                                                                           ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -                             Some(Ok((cont, Token::Whitespace(_)))) => break Some(Ok(&self.input[(idx..cont)])),
[INFO] [stdout] 63 +                             Some(Ok((cont, Token::Whitespace(_)))) => break Some(Ok(&self.input[idx..cont ])),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/parser.rs:71:63
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   None => break Some(Ok(&self.input[(idx..)])),
[INFO] [stdout]    |                                                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                             None => break Some(Ok(&self.input[(idx..)])),
[INFO] [stdout] 71 +                             None => break Some(Ok(&self.input[idx.. ])),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn split(input: &str) -> Result<Vec<&str>, Error> {
[INFO] [stdout]    |                     ^^^^                ^^^^   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                   |
[INFO] [stdout]    |                     |                   the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn split(input: &str) -> Result<Vec<&str>, Error<'_>> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lexer.rs:59:80
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     Some((cont, _)) => Some(Ok((idx, Token::Escape(&self.input[(idx..cont + 1)])))),
[INFO] [stdout]    |                                                                                ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -                     Some((cont, _)) => Some(Ok((idx, Token::Escape(&self.input[(idx..cont + 1)])))),
[INFO] [stdout] 59 +                     Some((cont, _)) => Some(Ok((idx, Token::Escape(&self.input[idx..cont + 1 ])))),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lexer.rs:71:65
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     Some(Ok((idx, Token::Whitespace(&self.input[(idx..end + 1)]))))
[INFO] [stdout]    |                                                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                     Some(Ok((idx, Token::Whitespace(&self.input[(idx..end + 1)]))))
[INFO] [stdout] 71 +                     Some(Ok((idx, Token::Whitespace(&self.input[idx..end + 1 ]))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lexer.rs:82:59
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     Some(Ok((idx, Token::Word(&self.input[(idx..end + 1)]))))
[INFO] [stdout]    |                                                           ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -                     Some(Ok((idx, Token::Word(&self.input[(idx..end + 1)]))))
[INFO] [stdout] 82 +                     Some(Ok((idx, Token::Word(&self.input[idx..end + 1 ]))))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/parser.rs:63:97
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   Some(Ok((cont, Token::Whitespace(_)))) => break Some(Ok(&self.input[(idx..cont)])),
[INFO] [stdout]    |                                                                                           ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -                             Some(Ok((cont, Token::Whitespace(_)))) => break Some(Ok(&self.input[(idx..cont)])),
[INFO] [stdout] 63 +                             Some(Ok((cont, Token::Whitespace(_)))) => break Some(Ok(&self.input[idx..cont ])),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/parser.rs:71:63
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   None => break Some(Ok(&self.input[(idx..)])),
[INFO] [stdout]    |                                                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -                             None => break Some(Ok(&self.input[(idx..)])),
[INFO] [stdout] 71 +                             None => break Some(Ok(&self.input[idx.. ])),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn split(input: &str) -> Result<Vec<&str>, Error> {
[INFO] [stdout]    |                     ^^^^                ^^^^   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |                   |
[INFO] [stdout]    |                     |                   the same lifetime is elided here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn split(input: &str) -> Result<Vec<&str>, Error<'_>> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "6080d88dc6bdee471c253438656b9b153db56a420a8ad8b0a869ec58fc2ca689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6080d88dc6bdee471c253438656b9b153db56a420a8ad8b0a869ec58fc2ca689", kill_on_drop: false }`
[INFO] [stdout] 6080d88dc6bdee471c253438656b9b153db56a420a8ad8b0a869ec58fc2ca689
