[INFO] cloning repository https://github.com/unforgivenii147/ast_serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unforgivenii147/ast_serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funforgivenii147%2Fast_serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funforgivenii147%2Fast_serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30589d3b76b0f3ae5ae4db8cb00ae641e3e3c515
[INFO] checking unforgivenii147/ast_serial against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funforgivenii147%2Fast_serial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/unforgivenii147/ast_serial
[INFO] finished tweaking git repo https://github.com/unforgivenii147/ast_serial
[INFO] tweaked toml for git repo https://github.com/unforgivenii147/ast_serial written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unforgivenii147/ast_serial 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/unforgivenii147/ast_serial 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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9
[INFO] running `Command { std: "docker" "start" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9", 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" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9", 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" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling collection_literals v1.0.3
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling pyo3-build-config v0.28.2
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]     Checking compact_str v0.9.0
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[INFO] [stderr]     Checking regex-automata v0.4.13
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[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]     Checking ordermap v1.2.0
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pyo3-ffi v0.28.2
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[INFO] [stderr]    Compiling pyo3 v0.28.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling phf_generator v0.11.3
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[INFO] [stderr]     Checking ruff_source_file v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]     Checking ruff_python_trivia v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
[INFO] [stderr]     Checking ruff_python_ast v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
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[INFO] [stderr]     Checking ruff_python_parser v0.0.0 (https://github.com/astral-sh/ruff?tag=0.15.12#66f93cf7)
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[INFO] [stdout] warning: constant `TAG_LITERAL_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | const TAG_LITERAL_BYTES: u8 = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LITERAL_COMPLEX` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const TAG_LITERAL_COMPLEX: u8 = 7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_STR` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const TAG_LIST_STR: u8 = 22;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const TAG_LIST_BYTES: u8 = 23;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]   --> src/lib.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | ) -> PyResult<(Vec<u8>, Vec<Py<PyAny>>, Vec<Py<PyAny>>, Vec<u8>, Py<PyAny>)> {
[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 `mypy_parser` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `TAG_LITERAL_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | const TAG_LITERAL_BYTES: u8 = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LITERAL_COMPLEX` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const TAG_LITERAL_COMPLEX: u8 = 7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_STR` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const TAG_LIST_STR: u8 = 22;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const TAG_LIST_BYTES: u8 = 23;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]   --> src/lib.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | ) -> PyResult<(Vec<u8>, Vec<Py<PyAny>>, Vec<Py<PyAny>>, Vec<u8>, Py<PyAny>)> {
[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 `mypy_parser` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9", kill_on_drop: false }`
[INFO] [stdout] e60b8be56108a5bef3d2e8915aa5fd000d13297fec0c126a560932706cc688c9
