[INFO] cloning repository https://github.com/TotalyEnglizLitrate/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TotalyEnglizLitrate/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTotalyEnglizLitrate%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTotalyEnglizLitrate%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6a6c9050e242beaf2e5f33120e62eef4a2f7d0
[INFO] checking TotalyEnglizLitrate/rlox against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTotalyEnglizLitrate%2Frlox" "/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/TotalyEnglizLitrate/rlox
[INFO] finished tweaking git repo https://github.com/TotalyEnglizLitrate/rlox
[INFO] tweaked toml for git repo https://github.com/TotalyEnglizLitrate/rlox written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TotalyEnglizLitrate/rlox on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TotalyEnglizLitrate/rlox 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11
[INFO] running `Command { std: "docker" "start" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11", 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" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11", 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" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking clap_builder v4.6.6
[INFO] [stderr]     Checking clap v4.6.6
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `enclosing` is never read
[INFO] [stdout]  --> src/environment.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Environment{
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     enclosing: Option<Box<Environment>>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `enclosing` is never read
[INFO] [stdout]  --> src/environment.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Environment{
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 9 |     enclosing: Option<Box<Environment>>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/ast/expr.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 | /             format!(
[INFO] [stdout] 89 | |                 "Unsupported operation {:?} between types {} and {}",
[INFO] [stdout] 90 | |                 op,
[INFO] [stdout] 91 | |                 left.get_type(),
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |             .into(),
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String`
[INFO] [stdout]   --> src/ast/expr.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 | /             format!(
[INFO] [stdout] 89 | |                 "Unsupported operation {:?} between types {} and {}",
[INFO] [stdout] 90 | |                 op,
[INFO] [stdout] 91 | |                 left.get_type(),
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |             .into(),
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (bin "rlox" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rlox` (bin "rlox") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11", kill_on_drop: false }`
[INFO] [stdout] 73798f69baac72115469b2584298b96b04166e4a9ede9fa342815802eb047e11