[INFO] cloning repository https://github.com/malarbase/oh-wiblo-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malarbase/oh-wiblo-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalarbase%2Foh-wiblo-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalarbase%2Foh-wiblo-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da1f1b3216dcba0c76f9baf70624a2d1138c5b9e
[INFO] testing malarbase/oh-wiblo-pi against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalarbase%2Foh-wiblo-pi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/malarbase/oh-wiblo-pi
[INFO] finished tweaking git repo https://github.com/malarbase/oh-wiblo-pi
[INFO] tweaked toml for git repo https://github.com/malarbase/oh-wiblo-pi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malarbase/oh-wiblo-pi 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 git repo https://github.com/malarbase/oh-wiblo-pi 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c867ed55fd2a8c3f23fbbc3064eb66f53f3fb70d781e0ca958dfa2557645b9c3
[INFO] running `Command { std: "docker" "start" "-a" "c867ed55fd2a8c3f23fbbc3064eb66f53f3fb70d781e0ca958dfa2557645b9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c867ed55fd2a8c3f23fbbc3064eb66f53f3fb70d781e0ca958dfa2557645b9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c867ed55fd2a8c3f23fbbc3064eb66f53f3fb70d781e0ca958dfa2557645b9c3", kill_on_drop: false }`
[INFO] [stdout] c867ed55fd2a8c3f23fbbc3064eb66f53f3fb70d781e0ca958dfa2557645b9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 61e74b410cffb47f4c878a09273a1dee00b25a328e1c52c9ecd096b5d24caad6
[INFO] running `Command { std: "docker" "start" "-a" "61e74b410cffb47f4c878a09273a1dee00b25a328e1c52c9ecd096b5d24caad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling tree-sitter v0.25.10
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling wayland-backend v0.3.15
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unic-langid-impl v0.9.6
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling unic-langid v0.9.6
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling quick-xml v0.39.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[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/smallvec-1.15.1/src/lib.rs:95:41
[INFO] [stdout]    |
[INFO] [stdout] 95 | #![cfg_attr(feature = "specialization", feature(specialization))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "61e74b410cffb47f4c878a09273a1dee00b25a328e1c52c9ecd096b5d24caad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e74b410cffb47f4c878a09273a1dee00b25a328e1c52c9ecd096b5d24caad6", kill_on_drop: false }`
[INFO] [stdout] 61e74b410cffb47f4c878a09273a1dee00b25a328e1c52c9ecd096b5d24caad6
