[INFO] fetching crate fffft 0.4.1...
[INFO] testing fffft-0.4.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate fffft 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fffft 0.4.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fffft 0.4.1
[INFO] finished tweaking crates.io crate fffft 0.4.1
[INFO] tweaked toml for crates.io crate fffft 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff_derive v0.12.1
[INFO] [stderr]   Downloaded rug-fft v0.1.2
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded addchain v0.2.0
[INFO] [stderr]   Downloaded rug v1.24.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c32ed720f5d0d40d23c4bfa4281e001da27129171ffef49fd0bf80252792224
[INFO] running `Command { std: "docker" "start" "-a" "6c32ed720f5d0d40d23c4bfa4281e001da27129171ffef49fd0bf80252792224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c32ed720f5d0d40d23c4bfa4281e001da27129171ffef49fd0bf80252792224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c32ed720f5d0d40d23c4bfa4281e001da27129171ffef49fd0bf80252792224", kill_on_drop: false }`
[INFO] [stdout] 6c32ed720f5d0d40d23c4bfa4281e001da27129171ffef49fd0bf80252792224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a573ffc6240b3e10b2cc59caacef18a51661d61c618c0bdddf5b3cbec8414f
[INFO] running `Command { std: "docker" "start" "-a" "70a573ffc6240b3e10b2cc59caacef18a51661d61c618c0bdddf5b3cbec8414f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling ff_derive v0.12.1
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling fffft v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(test)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fffft` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "70a573ffc6240b3e10b2cc59caacef18a51661d61c618c0bdddf5b3cbec8414f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a573ffc6240b3e10b2cc59caacef18a51661d61c618c0bdddf5b3cbec8414f", kill_on_drop: false }`
[INFO] [stdout] 70a573ffc6240b3e10b2cc59caacef18a51661d61c618c0bdddf5b3cbec8414f
[INFO] testing fffft-0.4.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate fffft 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate fffft 0.4.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fffft 0.4.1
[INFO] finished tweaking crates.io crate fffft 0.4.1
[INFO] tweaked toml for crates.io crate fffft 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3519f57ec135901206715fea4ca287991f75b2578f7b0c79650fabafcdbde828
[INFO] running `Command { std: "docker" "start" "-a" "3519f57ec135901206715fea4ca287991f75b2578f7b0c79650fabafcdbde828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3519f57ec135901206715fea4ca287991f75b2578f7b0c79650fabafcdbde828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3519f57ec135901206715fea4ca287991f75b2578f7b0c79650fabafcdbde828", kill_on_drop: false }`
[INFO] [stdout] 3519f57ec135901206715fea4ca287991f75b2578f7b0c79650fabafcdbde828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c5c52043fdd19accd1a9a347ab842cf4c2261d5053d6d308c99edc132282a4
[INFO] running `Command { std: "docker" "start" "-a" "a1c5c52043fdd19accd1a9a347ab842cf4c2261d5053d6d308c99edc132282a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling ff_derive v0.12.1
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling fffft v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(test)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fffft` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a1c5c52043fdd19accd1a9a347ab842cf4c2261d5053d6d308c99edc132282a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c5c52043fdd19accd1a9a347ab842cf4c2261d5053d6d308c99edc132282a4", kill_on_drop: false }`
[INFO] [stdout] a1c5c52043fdd19accd1a9a347ab842cf4c2261d5053d6d308c99edc132282a4
