[INFO] fetching crate re 0.1.9...
[INFO] testing re-0.1.9 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate re 0.1.9 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate re 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate re 0.1.9
[INFO] tweaked toml for crates.io crate re 0.1.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate re 0.1.9 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--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]      Locking 101 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.7.9 (available: v0.8.6)
[INFO] [stderr]       Adding prost v0.13.5 (available: v0.14.1)
[INFO] [stderr]       Adding sonic-rs v0.3.17 (available: v0.5.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c66dbda42d74d18dcc1d3ab731b6d9dbef5551765617848d2f265cf6e90221
[INFO] running `Command { std: "docker" "start" "-a" "97c66dbda42d74d18dcc1d3ab731b6d9dbef5551765617848d2f265cf6e90221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c66dbda42d74d18dcc1d3ab731b6d9dbef5551765617848d2f265cf6e90221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c66dbda42d74d18dcc1d3ab731b6d9dbef5551765617848d2f265cf6e90221", kill_on_drop: false }`
[INFO] [stdout] 97c66dbda42d74d18dcc1d3ab731b6d9dbef5551765617848d2f265cf6e90221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a0fab2443df8a22a84b0116aa5c8db7f3cb9eac7d7c5de99d26b7c666d40631
[INFO] running `Command { std: "docker" "start" "-a" "8a0fab2443df8a22a84b0116aa5c8db7f3cb9eac7d7c5de99d26b7c666d40631", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling sonic-number v0.1.0
[INFO] [stderr]    Compiling sonic-simd v0.1.2
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling faststr v0.2.32
[INFO] [stderr]    Compiling sonic-rs v0.3.17
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling re v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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 `re` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8a0fab2443df8a22a84b0116aa5c8db7f3cb9eac7d7c5de99d26b7c666d40631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0fab2443df8a22a84b0116aa5c8db7f3cb9eac7d7c5de99d26b7c666d40631", kill_on_drop: false }`
[INFO] [stdout] 8a0fab2443df8a22a84b0116aa5c8db7f3cb9eac7d7c5de99d26b7c666d40631
