[INFO] fetching crate mindus 5.0.38...
[INFO] testing mindus-5.0.38 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mindus 5.0.38 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mindus 5.0.38
[INFO] finished tweaking crates.io crate mindus 5.0.38
[INFO] tweaked toml for crates.io crate mindus 5.0.38 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mindus 5.0.38 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] crate crates.io crate mindus 5.0.38 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e4b15d040321951935eec0bbb224747228e98bbcdcfa6f44a126094db2f72fd
[INFO] running `Command { std: "docker" "start" "-a" "4e4b15d040321951935eec0bbb224747228e98bbcdcfa6f44a126094db2f72fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4b15d040321951935eec0bbb224747228e98bbcdcfa6f44a126094db2f72fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4b15d040321951935eec0bbb224747228e98bbcdcfa6f44a126094db2f72fd", kill_on_drop: false }`
[INFO] [stdout] 4e4b15d040321951935eec0bbb224747228e98bbcdcfa6f44a126094db2f72fd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47db2cafd872a0dde20a3ca0a71613f0413cb15343c857b82caf70ed32f975f
[INFO] running `Command { std: "docker" "start" "-a" "a47db2cafd872a0dde20a3ca0a71613f0413cb15343c857b82caf70ed32f975f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling umath v0.0.7
[INFO] [stderr]    Compiling fer v0.1.1
[INFO] [stderr]    Compiling clipline v0.4.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling hinted v1.0.0
[INFO] [stderr]    Compiling array_chunks v1.0.0
[INFO] [stderr]    Compiling mattr v0.0.2
[INFO] [stderr]    Compiling atools v0.1.10
[INFO] [stderr]    Compiling walkdir v2.5.0
[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/hinted-1.0.0/src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | /     feature(
[INFO] [stdout]  4 | |         trusted_len,
[INFO] [stdout]  5 | |         trusted_fused,
[INFO] [stdout]  6 | |         min_specialization,
[INFO] [stdout] ...  |
[INFO] [stdout]  9 | |         doc_cfg,
[INFO] [stdout] 10 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[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/umath-0.0.7/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[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 `hinted` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `umath` (lib) due to 1 previous error
[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/atools-0.1.10/src/lib.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | / #![feature(
[INFO] [stdout]  5 | |     const_destruct,
[INFO] [stdout]  6 | |     adt_const_params,
[INFO] [stdout]  7 | |     generic_const_exprs,
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |     iter_map_windows
[INFO] [stdout] 14 | | )]
[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 `atools` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a47db2cafd872a0dde20a3ca0a71613f0413cb15343c857b82caf70ed32f975f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47db2cafd872a0dde20a3ca0a71613f0413cb15343c857b82caf70ed32f975f", kill_on_drop: false }`
[INFO] [stdout] a47db2cafd872a0dde20a3ca0a71613f0413cb15343c857b82caf70ed32f975f