[INFO] fetching crate rustpython-ruff_python_parser 0.15.8...
[INFO] testing rustpython-ruff_python_parser-0.15.8 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustpython-ruff_python_parser 0.15.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustpython-ruff_python_parser 0.15.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rustpython-ruff_python_parser 0.15.8
[INFO] tweaked toml for crates.io crate rustpython-ruff_python_parser 0.15.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustpython-ruff_python_parser 0.15.8 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustpython-ruff_python_parser 0.15.8 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" "+beta-2026-04-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99decdecc2b8b3e280acdb7047acd1f170e0f3c06be38b3f1ca4a6cf93be0c5b
[INFO] running `Command { std: "docker" "start" "-a" "99decdecc2b8b3e280acdb7047acd1f170e0f3c06be38b3f1ca4a6cf93be0c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99decdecc2b8b3e280acdb7047acd1f170e0f3c06be38b3f1ca4a6cf93be0c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99decdecc2b8b3e280acdb7047acd1f170e0f3c06be38b3f1ca4a6cf93be0c5b", kill_on_drop: false }`
[INFO] [stdout] 99decdecc2b8b3e280acdb7047acd1f170e0f3c06be38b3f1ca4a6cf93be0c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53230f4e2f4a2b9957ef57b33e5a53c257f2b85330f7dd688dd908bc0c0bfb56
[INFO] running `Command { std: "docker" "start" "-a" "53230f4e2f4a2b9957ef57b33e5a53c257f2b85330f7dd688dd908bc0c0bfb56", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling collection_literals v1.0.2
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling ordermap v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling unicode_names2_generator v1.3.0
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]    Compiling unicode_names2 v1.3.0
[INFO] [stderr]    Compiling quote-use-macros v0.8.4
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling is-macro v0.3.7
[INFO] [stderr]    Compiling quote-use v0.8.4
[INFO] [stderr]    Compiling attribute-derive-macro v0.10.3
[INFO] [stderr]    Compiling attribute-derive v0.10.3
[INFO] [stderr]    Compiling get-size-derive2 v0.7.4
[INFO] [stderr]    Compiling get-size2 v0.7.4
[INFO] [stderr]    Compiling rustpython-ruff_text_size v0.15.8
[INFO] [stderr]    Compiling rustpython-ruff_source_file v0.15.8
[INFO] [stderr]    Compiling rustpython-ruff_python_trivia v0.15.8
[INFO] [stderr]    Compiling rustpython-ruff_python_ast v0.15.8
[INFO] [stderr]    Compiling rustpython-ruff_python_parser v0.15.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.43s
[INFO] running `Command { std: "docker" "inspect" "53230f4e2f4a2b9957ef57b33e5a53c257f2b85330f7dd688dd908bc0c0bfb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53230f4e2f4a2b9957ef57b33e5a53c257f2b85330f7dd688dd908bc0c0bfb56", kill_on_drop: false }`
[INFO] [stdout] 53230f4e2f4a2b9957ef57b33e5a53c257f2b85330f7dd688dd908bc0c0bfb56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2672ac9dceae84b9ca1a95500e63a0c3c0ada27f571fc3982823f6e6b597414
[INFO] running `Command { std: "docker" "start" "-a" "a2672ac9dceae84b9ca1a95500e63a0c3c0ada27f571fc3982823f6e6b597414", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.10
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling escape8259 v0.5.3
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[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tempfile v3.25.0
[INFO] [stderr]    Compiling insta v1.46.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling libtest-mimic v0.8.1
[INFO] [stderr]    Compiling rustpython-ruff_python_ast v0.15.8
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling fancy-regex v0.14.0
[INFO] [stdout] error[E0277]: the trait bound `CompactString: serde::Serialize` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustpython-ruff_python_ast-0.15.8/src/name.rs:10:38
[INFO] [stdout]     |
[INFO] [stdout]  10 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `CompactString`
[INFO] [stdout] ...
[INFO] [stdout]  19 | pub struct Name(compact_str::CompactString);
[INFO] [stdout]     |                 ----------- required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Serialize)]` to your `CompactString` type
[INFO] [stdout]     = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]     = help: the following other types implement trait `Serialize`:
[INFO] [stdout]               &'a T
[INFO] [stdout]               &'a mut T
[INFO] [stdout]               ()
[INFO] [stdout]               (T,)
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]             and 129 others
[INFO] [stdout] note: required by a bound in `serialize_newtype_struct`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:922:21
[INFO] [stdout]     |
[INFO] [stdout] 916 |     fn serialize_newtype_struct<T>(
[INFO] [stdout]     |        ------------------------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 922 |         T: ?Sized + Serialize;
[INFO] [stdout]     |                     ^^^^^^^^^ required by this bound in `Serializer::serialize_newtype_struct`
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CompactString: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustpython-ruff_python_ast-0.15.8/src/name.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Name(compact_str::CompactString);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `CompactString`
[INFO] [stdout]    |
[INFO] [stdout]    = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `CompactString` type
[INFO] [stdout]    = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]    = help: the following other types implement trait `Deserialize<'de>`:
[INFO] [stdout]              &'a Path
[INFO] [stdout]              &'a [u8]
[INFO] [stdout]              &'a str
[INFO] [stdout]              ()
[INFO] [stdout]              (T,)
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]            and 142 others
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CompactString: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustpython-ruff_python_ast-0.15.8/src/name.rs:19:17
[INFO] [stdout]      |
[INFO] [stdout]   19 | pub struct Name(compact_str::CompactString);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `CompactString`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `CompactString` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 142 others
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/de/mod.rs:1771:12
[INFO] [stdout]      |
[INFO] [stdout] 1769 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1770 |     where
[INFO] [stdout] 1771 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling datatest-stable v0.3.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustpython-ruff_python_ast` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a2672ac9dceae84b9ca1a95500e63a0c3c0ada27f571fc3982823f6e6b597414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2672ac9dceae84b9ca1a95500e63a0c3c0ada27f571fc3982823f6e6b597414", kill_on_drop: false }`
[INFO] [stdout] a2672ac9dceae84b9ca1a95500e63a0c3c0ada27f571fc3982823f6e6b597414
