[INFO] fetching crate twips-cli 0.12.2...
[INFO] testing twips-cli-0.12.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate twips-cli 0.12.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate twips-cli 0.12.2
[INFO] finished tweaking crates.io crate twips-cli 0.12.2
[INFO] tweaked toml for crates.io crate twips-cli 0.12.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twips-cli 0.12.2 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 twips-cli 0.12.2 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2c590623fa9b66f738189b1b36f4567177a5801f7de0905617a2105e715d36c4
[INFO] running `Command { std: "docker" "start" "-a" "2c590623fa9b66f738189b1b36f4567177a5801f7de0905617a2105e715d36c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c590623fa9b66f738189b1b36f4567177a5801f7de0905617a2105e715d36c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c590623fa9b66f738189b1b36f4567177a5801f7de0905617a2105e715d36c4", kill_on_drop: false }`
[INFO] [stdout] 2c590623fa9b66f738189b1b36f4567177a5801f7de0905617a2105e715d36c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 78d4e60a293c5c4bac169e226dd82e99d742dd57ff48cb83960f435b148a5b0f
[INFO] running `Command { std: "docker" "start" "-a" "78d4e60a293c5c4bac169e226dd82e99d742dd57ff48cb83960f435b148a5b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling more-asserts v0.3.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling console v0.16.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cityhasher v0.1.0
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling erased_set v0.8.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling indicatif v0.18.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.3
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling synstructure v0.13.2
[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 tokio-macros v2.6.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling clap_complete v4.5.61
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[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 hyper-util v0.1.17
[INFO] [stderr]    Compiling axum v0.8.6
[INFO] [stderr]    Compiling cubing_core v0.15.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cubing_core-0.15.2/src/lib.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "simd", feature(portable_simd))]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cubing_macros v0.15.2
[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" "78d4e60a293c5c4bac169e226dd82e99d742dd57ff48cb83960f435b148a5b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d4e60a293c5c4bac169e226dd82e99d742dd57ff48cb83960f435b148a5b0f", kill_on_drop: false }`
[INFO] [stdout] 78d4e60a293c5c4bac169e226dd82e99d742dd57ff48cb83960f435b148a5b0f
