[INFO] fetching crate twsearch 0.9.0...
[INFO] testing twsearch-0.9.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate twsearch 0.9.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate twsearch 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twsearch 0.9.0
[INFO] tweaked toml for crates.io crate twsearch 0.9.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate twsearch 0.9.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twsearch 0.9.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded more-asserts v0.3.1
[INFO] [stderr]   Downloaded unit-prefix v0.5.1
[INFO] [stderr]   Downloaded multiset v0.0.5
[INFO] [stderr]   Downloaded erased_set v0.8.0
[INFO] [stderr]   Downloaded cubing_macros v0.15.0-pre.1
[INFO] [stderr]   Downloaded cubing v0.15.0-pre.1
[INFO] [stderr]   Downloaded cubing_core v0.15.0-pre.1
[INFO] [stderr]   Downloaded cityhasher v0.1.0
[INFO] [stderr]   Downloaded clap_complete v4.5.60
[INFO] [stderr]   Downloaded indicatif v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a3e251782ff8006505f1fb1111721742d54dd17d6f9599c56d741c740b7646
[INFO] running `Command { std: "docker" "start" "-a" "27a3e251782ff8006505f1fb1111721742d54dd17d6f9599c56d741c740b7646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a3e251782ff8006505f1fb1111721742d54dd17d6f9599c56d741c740b7646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a3e251782ff8006505f1fb1111721742d54dd17d6f9599c56d741c740b7646", kill_on_drop: false }`
[INFO] [stdout] 27a3e251782ff8006505f1fb1111721742d54dd17d6f9599c56d741c740b7646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ccc8c55b3a95400fb4717cbace48f892ba606ad2853a2e2313da9d0f508542
[INFO] running `Command { std: "docker" "start" "-a" "80ccc8c55b3a95400fb4717cbace48f892ba606ad2853a2e2313da9d0f508542", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling more-asserts v0.3.1
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling console v0.16.1
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling indicatif v0.18.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling cityhasher v0.1.0
[INFO] [stderr]    Compiling erased_set v0.8.0
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling clap_complete v4.5.60
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling cubing_core v0.15.0-pre.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/cubing_core-0.15.0-pre.1/src/lib.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "simd", feature(portable_simd))]
[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 `cubing_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "80ccc8c55b3a95400fb4717cbace48f892ba606ad2853a2e2313da9d0f508542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ccc8c55b3a95400fb4717cbace48f892ba606ad2853a2e2313da9d0f508542", kill_on_drop: false }`
[INFO] [stdout] 80ccc8c55b3a95400fb4717cbace48f892ba606ad2853a2e2313da9d0f508542