[INFO] fetching crate fft4r 0.1.0...
[INFO] checking fft4r-0.1.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate fft4r 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fft4r 0.1.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fft4r 0.1.0
[INFO] finished tweaking crates.io crate fft4r 0.1.0
[INFO] tweaked toml for crates.io crate fft4r 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kissfft-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e19712c3922cb1d935d9752d562db963496872aa8f8dd479a997e5bd39825d47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e19712c3922cb1d935d9752d562db963496872aa8f8dd479a997e5bd39825d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19712c3922cb1d935d9752d562db963496872aa8f8dd479a997e5bd39825d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19712c3922cb1d935d9752d562db963496872aa8f8dd479a997e5bd39825d47", kill_on_drop: false }`
[INFO] [stdout] e19712c3922cb1d935d9752d562db963496872aa8f8dd479a997e5bd39825d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcefff6bb54795f28c4b0ae9f53ab410534f3437fd238c68b7da1ae3c6d452bf
[INFO] running `Command { std: "docker" "start" "-a" "fcefff6bb54795f28c4b0ae9f53ab410534f3437fd238c68b7da1ae3c6d452bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling kissfft-sys v0.1.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking fft4r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "fcefff6bb54795f28c4b0ae9f53ab410534f3437fd238c68b7da1ae3c6d452bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcefff6bb54795f28c4b0ae9f53ab410534f3437fd238c68b7da1ae3c6d452bf", kill_on_drop: false }`
[INFO] [stdout] fcefff6bb54795f28c4b0ae9f53ab410534f3437fd238c68b7da1ae3c6d452bf