[INFO] fetching crate f64ad 0.0.5...
[INFO] testing f64ad-0.0.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate f64ad 0.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate f64ad 0.0.5
[INFO] finished tweaking crates.io crate f64ad 0.0.5
[INFO] tweaked toml for crates.io crate f64ad 0.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate f64ad 0.0.5 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate f64ad 0.0.5 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33914405e508aafa603991752c5771f6a769a772a3b6c2d6808a7a4cf85cf050
[INFO] running `Command { std: "docker" "start" "-a" "33914405e508aafa603991752c5771f6a769a772a3b6c2d6808a7a4cf85cf050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33914405e508aafa603991752c5771f6a769a772a3b6c2d6808a7a4cf85cf050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33914405e508aafa603991752c5771f6a769a772a3b6c2d6808a7a4cf85cf050", kill_on_drop: false }`
[INFO] [stdout] 33914405e508aafa603991752c5771f6a769a772a3b6c2d6808a7a4cf85cf050
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a410f51332c39f4edfda330709af72dc7e0481a0f7b11b7622ca21e4917890b
[INFO] running `Command { std: "docker" "start" "-a" "7a410f51332c39f4edfda330709af72dc7e0481a0f7b11b7622ca21e4917890b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.28
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling wide v0.7.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling simba v0.7.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling timeit v0.1.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mimalloc v0.1.32
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling nalgebra v0.31.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling eval v0.1.1
[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/eval-0.1.1/src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | #![feature(proc_macro, test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `proc_macro` has been stable since `1.29.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eval` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a410f51332c39f4edfda330709af72dc7e0481a0f7b11b7622ca21e4917890b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a410f51332c39f4edfda330709af72dc7e0481a0f7b11b7622ca21e4917890b", kill_on_drop: false }`
[INFO] [stdout] 7a410f51332c39f4edfda330709af72dc7e0481a0f7b11b7622ca21e4917890b