[INFO] fetching crate rythonc 0.3.0...
[INFO] checking rythonc-0.3.0 against 1.95.0 for pr-155915
[INFO] extracting crate rythonc 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rythonc 0.3.0
[INFO] finished tweaking crates.io crate rythonc 0.3.0
[INFO] tweaked toml for crates.io crate rythonc 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rythonc 0.3.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rythonc 0.3.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log-macros v0.2.16
[INFO] [stderr]   Downloaded env_filter v0.1.0
[INFO] [stderr]   Downloaded anstyle v1.0.7
[INFO] [stderr]   Downloaded env_logger v0.11.3
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.60
[INFO] [stderr]   Downloaded is_terminal_polyfill v1.70.0
[INFO] [stderr]   Downloaded thiserror v1.0.60
[INFO] [stderr]   Downloaded pythonize v0.21.1
[INFO] [stderr]   Downloaded test-log v0.2.16
[INFO] [stderr]   Downloaded pyo3-macros v0.21.2
[INFO] [stderr]   Downloaded to_tokenstream v0.1.3
[INFO] [stderr]   Downloaded python-ast v0.3.1
[INFO] [stderr]   Downloaded anstyle-query v1.0.3
[INFO] [stderr]   Downloaded colorchoice v1.0.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.21.2
[INFO] [stderr]   Downloaded anstyle-parse v0.2.4
[INFO] [stderr]   Downloaded iter-read v0.3.1
[INFO] [stderr]   Downloaded clap_derive v4.5.4
[INFO] [stderr]   Downloaded anstream v0.6.14
[INFO] [stderr]   Downloaded redox_syscall v0.5.1
[INFO] [stderr]   Downloaded target-lexicon v0.12.14
[INFO] [stderr]   Downloaded parking_lot v0.12.2
[INFO] [stderr]   Downloaded clap v4.5.4
[INFO] [stderr]   Downloaded anyhow v1.0.83
[INFO] [stderr]   Downloaded pyo3-ffi v0.21.2
[INFO] [stderr]   Downloaded cc v1.0.97
[INFO] [stderr]   Downloaded num-bigint v0.4.5
[INFO] [stderr]   Downloaded serde_derive v1.0.201
[INFO] [stderr]   Downloaded serde v1.0.201
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.21.2
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] [stderr]   Downloaded serde-pickle v1.1.1
[INFO] [stderr]   Downloaded pyo3 v0.21.2
[INFO] [stderr]   Downloaded libc v0.2.154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eaf489a1b25b737e1433f75a3428906e7683c17ba51595da7d635d95026757b
[INFO] running `Command { std: "docker" "start" "-a" "2eaf489a1b25b737e1433f75a3428906e7683c17ba51595da7d635d95026757b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eaf489a1b25b737e1433f75a3428906e7683c17ba51595da7d635d95026757b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eaf489a1b25b737e1433f75a3428906e7683c17ba51595da7d635d95026757b", kill_on_drop: false }`
[INFO] [stdout] 2eaf489a1b25b737e1433f75a3428906e7683c17ba51595da7d635d95026757b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443e85c52cd2f2d9c819ac26e7c638a85b56cdc6098a0176b178c9b411f1a518
[INFO] running `Command { std: "docker" "start" "-a" "443e85c52cd2f2d9c819ac26e7c638a85b56cdc6098a0176b178c9b411f1a518", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking to_tokenstream v0.1.3
[INFO] [stderr]     Checking syn v2.0.63
[INFO] [stderr]     Checking litrs v0.4.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking wild v2.2.1
[INFO] [stderr]     Checking rust-format v0.3.4
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.5
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking serde-pickle v1.1.1
[INFO] [stderr]     Checking pythonize v0.21.1
[INFO] [stderr]     Checking python-ast v0.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/python-ast-0.3.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(strict_provenance)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `python-ast` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "443e85c52cd2f2d9c819ac26e7c638a85b56cdc6098a0176b178c9b411f1a518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443e85c52cd2f2d9c819ac26e7c638a85b56cdc6098a0176b178c9b411f1a518", kill_on_drop: false }`
[INFO] [stdout] 443e85c52cd2f2d9c819ac26e7c638a85b56cdc6098a0176b178c9b411f1a518