[INFO] cloning repository https://github.com/Tech0ne/mininter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tech0ne/mininter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTech0ne%2Fmininter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTech0ne%2Fmininter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6187ebaff1a16505b51b3cb51fdf0681de7d1d65
[INFO] checking Tech0ne/mininter against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTech0ne%2Fmininter" "/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/Tech0ne/mininter
[INFO] finished tweaking git repo https://github.com/Tech0ne/mininter
[INFO] tweaked toml for git repo https://github.com/Tech0ne/mininter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tech0ne/mininter on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tech0ne/mininter 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b
[INFO] running `Command { std: "docker" "start" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b", 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" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b", 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" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking mininter-macros v0.1.0 (/opt/rustwide/workdir/mininter-macros)
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking clap_builder v4.6.2
[INFO] [stderr]     Checking mininter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/compiler/mod.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout]  94 |         let kind = match self.previous.as_ref() {
[INFO] [stdout]     |                          ------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 104 |         self.expression()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 105 |
[INFO] [stdout] 106 |         match kind {
[INFO] [stdout]     |               ---- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compiler/mod.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn compile(mut self) -> Result<Chunk> {
[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: variable `token` is assigned to, but never used
[INFO] [stdout]    --> src/compiler/mod.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut token;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_token` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `token` is never read
[INFO] [stdout]    --> src/compiler/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 | /             token = match self.input.next() {
[INFO] [stdout] 126 | |                 Some(Ok(token)) => token,
[INFO] [stdout] 127 | |                 Some(Err(e)) => {
[INFO] [stdout] 128 | |                     return Err(e);
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mininter` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b", kill_on_drop: false }`
[INFO] [stdout] f8196ee775ee850da98c1281203bcd66aa4559e95d345923a1e1fb459c69768b
