[INFO] fetching crate fffft 0.4.1...
[INFO] checking fffft-0.4.1 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate fffft 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fffft 0.4.1 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "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" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addchain v0.2.0
[INFO] [stderr]   Downloaded ff_derive v0.12.1
[INFO] [stderr]   Downloaded rug v1.20.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.0
[INFO] [stderr]   Downloaded rug-fft v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3187e6397dbf52cc4f542df53a9084ace4181d4b93dd97162f8a9cfe9e4101e
[INFO] running `Command { std: "docker" "start" "-a" "a3187e6397dbf52cc4f542df53a9084ace4181d4b93dd97162f8a9cfe9e4101e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3187e6397dbf52cc4f542df53a9084ace4181d4b93dd97162f8a9cfe9e4101e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3187e6397dbf52cc4f542df53a9084ace4181d4b93dd97162f8a9cfe9e4101e", kill_on_drop: false }`
[INFO] [stdout] a3187e6397dbf52cc4f542df53a9084ace4181d4b93dd97162f8a9cfe9e4101e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adbf007a9448edd6f7b947472c070b7dbd27dd6800db0bc09d617a0b070698eb
[INFO] running `Command { std: "docker" "start" "-a" "adbf007a9448edd6f7b947472c070b7dbd27dd6800db0bc09d617a0b070698eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rug v1.20.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling ff_derive v0.12.1
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking fffft v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rug-fft v0.1.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "adbf007a9448edd6f7b947472c070b7dbd27dd6800db0bc09d617a0b070698eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbf007a9448edd6f7b947472c070b7dbd27dd6800db0bc09d617a0b070698eb", kill_on_drop: false }`
[INFO] [stdout] adbf007a9448edd6f7b947472c070b7dbd27dd6800db0bc09d617a0b070698eb