[INFO] fetching crate rndfile 1.0.1...
[INFO] testing rndfile-1.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rndfile 1.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rndfile 1.0.1
[INFO] finished tweaking crates.io crate rndfile 1.0.1
[INFO] tweaked toml for crates.io crate rndfile 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rndfile 1.0.1 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 rndfile 1.0.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 32882fb8b6421f240c0e66996e5dd26111ec6191bd0d194776bb953f65227c74
[INFO] running `Command { std: "docker" "start" "-a" "32882fb8b6421f240c0e66996e5dd26111ec6191bd0d194776bb953f65227c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32882fb8b6421f240c0e66996e5dd26111ec6191bd0d194776bb953f65227c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32882fb8b6421f240c0e66996e5dd26111ec6191bd0d194776bb953f65227c74", kill_on_drop: false }`
[INFO] [stdout] 32882fb8b6421f240c0e66996e5dd26111ec6191bd0d194776bb953f65227c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 581b2a27f8bbd5d47aeba9a2217a6ae986892be251873aada474e5ebda8c65e9
[INFO] running `Command { std: "docker" "start" "-a" "581b2a27f8bbd5d47aeba9a2217a6ae986892be251873aada474e5ebda8c65e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling clap v4.5.28
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rndfile v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_error_more)]
[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 `rndfile` (bin "rndfile") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "581b2a27f8bbd5d47aeba9a2217a6ae986892be251873aada474e5ebda8c65e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581b2a27f8bbd5d47aeba9a2217a6ae986892be251873aada474e5ebda8c65e9", kill_on_drop: false }`
[INFO] [stdout] 581b2a27f8bbd5d47aeba9a2217a6ae986892be251873aada474e5ebda8c65e9