[INFO] cloning repository https://github.com/S4more/rlox-scan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/S4more/rlox-scan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS4more%2Frlox-scan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS4more%2Frlox-scan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5ca8568d669aef104189b91a6688b47d1eae7a
[INFO] checking S4more/rlox-scan against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS4more%2Frlox-scan" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/S4more/rlox-scan
[INFO] finished tweaking git repo https://github.com/S4more/rlox-scan
[INFO] tweaked toml for git repo https://github.com/S4more/rlox-scan written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/S4more/rlox-scan 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] crate git repo https://github.com/S4more/rlox-scan 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 312baecc34f2c843fa424c1470221c049892bf3dadd496e2cd09d0a0c35a584e
[INFO] running `Command { std: "docker" "start" "-a" "312baecc34f2c843fa424c1470221c049892bf3dadd496e2cd09d0a0c35a584e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "312baecc34f2c843fa424c1470221c049892bf3dadd496e2cd09d0a0c35a584e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312baecc34f2c843fa424c1470221c049892bf3dadd496e2cd09d0a0c35a584e", kill_on_drop: false }`
[INFO] [stdout] 312baecc34f2c843fa424c1470221c049892bf3dadd496e2cd09d0a0c35a584e
[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] 6b39c11817380156629dff3a04d5a4fdcd5d3201e0996d404ec481cf13aa12b4
[INFO] running `Command { std: "docker" "start" "-a" "6b39c11817380156629dff3a04d5a4fdcd5d3201e0996d404ec481cf13aa12b4", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking text_io v0.1.12
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking scan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `lexeme`, and `line` are never read
[INFO] [stdout]   --> src/token.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Token<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 82 |     token_type: TokenType<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 83 |     lexeme: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 84 |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn scan_tokens(&self) -> Vec<Token> {
[INFO] [stdout]    |                        ^^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[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] 22 |     pub fn scan_tokens(&self) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &'a self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] 58 |         mut char_iterator: Peekable<impl CharIterator>,
[INFO] [stdout] 59 |         line: &'a str,
[INFO] [stdout]    |                -- the lifetime is named here
[INFO] [stdout] 60 |         row: u32,
[INFO] [stdout] 61 |     ) -> Vec<Token> {
[INFO] [stdout]    |              ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ) -> Vec<Token<'a>> {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/token.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Token<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     line: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn scan_tokens(&self) -> Vec<Token> {
[INFO] [stdout]    |                        ^^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[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] 22 |     pub fn scan_tokens(&self) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         &'a self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] 58 |         mut char_iterator: Peekable<impl CharIterator>,
[INFO] [stdout] 59 |         line: &'a str,
[INFO] [stdout]    |                -- the lifetime is named here
[INFO] [stdout] 60 |         row: u32,
[INFO] [stdout] 61 |     ) -> Vec<Token> {
[INFO] [stdout]    |              ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ) -> Vec<Token<'a>> {
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "6b39c11817380156629dff3a04d5a4fdcd5d3201e0996d404ec481cf13aa12b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b39c11817380156629dff3a04d5a4fdcd5d3201e0996d404ec481cf13aa12b4", kill_on_drop: false }`
[INFO] [stdout] 6b39c11817380156629dff3a04d5a4fdcd5d3201e0996d404ec481cf13aa12b4
