[INFO] cloning repository https://github.com/Lenslan/mex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lenslan/mex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenslan%2Fmex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenslan%2Fmex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abf766bfb6e185ef4c47025a0b5e777154984b5e
[INFO] checking Lenslan/mex against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenslan%2Fmex" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lenslan/mex
[INFO] finished tweaking git repo https://github.com/Lenslan/mex
[INFO] tweaked toml for git repo https://github.com/Lenslan/mex written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lenslan/mex 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/Lenslan/mex 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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d
[INFO] running `Command { std: "docker" "start" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d", 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" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d", 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" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling pyo3-macros v0.27.2
[INFO] [stderr]     Checking mex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:125:45
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn get(root: String, top_module: String) -> PyResult<Vec<String>> {
[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 `mex` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `PyErr`
[INFO] [stdout]    --> src/lib.rs:125:45
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn get(root: String, top_module: String) -> PyResult<Vec<String>> {
[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 `mex` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d", kill_on_drop: false }`
[INFO] [stdout] 7b6d62579b943a29322d3dead89c5c85e6b89c684e62b89d0005983422d4417d