[INFO] fetching crate re 0.1.9...
[INFO] testing re-0.1.9 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate re 0.1.9 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate re 0.1.9 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 packages to highest compatible versions
[INFO] [stderr]       Adding axum v0.7.9 (available: v0.8.9)
[INFO] [stderr]       Adding prost v0.13.5 (available: v0.14.4)
[INFO] [stderr]       Adding sonic-rs v0.3.17 (available: v0.5.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rend v0.5.4
[INFO] [stderr]   Downloaded sonic-rs v0.3.17
[INFO] [stderr]   Downloaded rancor v0.1.3
[INFO] [stderr]   Downloaded ptr_meta_derive v0.3.2
[INFO] [stderr]   Downloaded ptr_meta v0.3.2
[INFO] [stderr]   Downloaded rkyv_derive v0.8.18
[INFO] [stderr]   Downloaded sonic-number v0.1.3
[INFO] [stderr]   Downloaded rkyv v0.8.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b
[INFO] running `Command { std: "docker" "start" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b", 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" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thiserror-impl v2.0.21
[INFO] [stderr]    Compiling ref-cast-impl v1.0.27
[INFO] [stderr]    Compiling sonic-simd v0.1.4
[INFO] [stderr]    Compiling sonic-number v0.1.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling faststr v0.2.34
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling sonic-rs v0.3.17
[INFO] [stderr]    Compiling hyper v1.12.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling hyper-util v0.1.21
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b", kill_on_drop: false }`
[INFO] [stdout] e270fe09cdca3bd26d0c708213e8c979594306d11ef9b68e0bd1c02858706e2b
