[INFO] cloning repository https://github.com/Tyrannican/vixen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tyrannican/vixen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyrannican%2Fvixen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyrannican%2Fvixen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28c90068734d65b65ba3531a771942f297bd203b
[INFO] checking Tyrannican/vixen against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyrannican%2Fvixen" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tyrannican/vixen
[INFO] finished tweaking git repo https://github.com/Tyrannican/vixen
[INFO] tweaked toml for git repo https://github.com/Tyrannican/vixen written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tyrannican/vixen on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tyrannican/vixen 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.38
[INFO] [stderr]   Downloaded unicode-ident v1.0.15
[INFO] [stderr]   Downloaded thiserror v2.0.11
[INFO] [stderr]   Downloaded thiserror-impl v2.0.11
[INFO] [stderr]   Downloaded terminal_size v0.4.1
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded errno v0.3.10
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded supports-color v3.0.2
[INFO] [stderr]   Downloaded clap_derive v4.5.24
[INFO] [stderr]   Downloaded owo-colors v4.1.0
[INFO] [stderr]   Downloaded miette-derive v7.4.0
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded bitflags v2.8.0
[INFO] [stderr]   Downloaded miniz_oxide v0.8.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded clap v4.5.27
[INFO] [stderr]   Downloaded syn v2.0.96
[INFO] [stderr]   Downloaded miette v7.4.0
[INFO] [stderr]   Downloaded clap_builder v4.5.27
[INFO] [stderr]   Downloaded rustix v0.38.43
[INFO] [stderr]   Downloaded libc v0.2.169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8
[INFO] running `Command { std: "docker" "start" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking supports-hyperlinks v3.1.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling miette-derive v7.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking miette v7.4.0
[INFO] [stderr]     Checking clap v4.5.27
[INFO] [stderr]     Checking vixen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/parse.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/parse.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let mut parser = parse::Parser::new(&contents);
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let mut parser = parse::Parser::new(&contents);
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]  --> src/parse.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 7 |     src: &'a str,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seven` is never used
[INFO] [stdout]    --> src/parse.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn seven() -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eight` is never used
[INFO] [stdout]    --> src/parse.rs:346:8
[INFO] [stdout]     |
[INFO] [stdout] 346 |     fn eight() -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.08s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn parse(&mut self) -> Result<Ast, Error> {
[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] 17 |     pub fn parse(&mut self) -> Result<Ast<'_>, Error> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let mut parser = parse::Parser::new(&contents);
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let mut parser = parse::Parser::new(&contents);
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src` and `lexer` are never read
[INFO] [stdout]  --> src/parse.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     src: &'a str,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     lexer: std::iter::Peekable<Lexer<'a>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse` and `parse_expression` are never used
[INFO] [stdout]   --> src/parse.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn parse(&mut self) -> Result<Ast, Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn parse_expression(&mut self, min_bp: u8) -> Result<Ast<'a>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `infix_binding_power` is never used
[INFO] [stdout]    --> src/parse.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn infix_binding_power(op: Op) -> Option<(u8, u8)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prefix_binding_power` is never used
[INFO] [stdout]    --> src/parse.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn prefix_binding_power(op: Op) -> ((), u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `postfix_binding_power` is never used
[INFO] [stdout]    --> src/parse.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn postfix_binding_power(op: Op) -> Option<(u8, ())> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn parse(&mut self) -> Result<Ast, Error> {
[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] 17 |     pub fn parse(&mut self) -> Result<Ast<'_>, Error> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8", kill_on_drop: false }`
[INFO] [stdout] 3130aab0b32a6c313502289b09fcf812adbc74e8bf1c1772dab088653701c8b8
