[INFO] updating cached repository https://github.com/johnsnewby/jack-fft-experiments
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 821022159e14c636fbe50ca14f4f79fbbb7042dc
[INFO] checking johnsnewby/jack-fft-experiments against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsnewby%2Fjack-fft-experiments" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnsnewby/jack-fft-experiments on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnsnewby/jack-fft-experiments
[INFO] finished tweaking git repo https://github.com/johnsnewby/jack-fft-experiments
[INFO] tweaked toml for git repo https://github.com/johnsnewby/jack-fft-experiments written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/johnsnewby/jack-fft-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ee095248393670c8341cef6292523adac4d3a84ee2e638589502230632dfefa
[INFO] running `"docker" "start" "-a" "5ee095248393670c8341cef6292523adac4d3a84ee2e638589502230632dfefa"`
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking sample v0.10.0
[INFO] [stderr]     Checking apodize v1.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking linreg v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking jack v0.6.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking basic_dsp_vector v0.8.1
[INFO] [stderr]     Checking cpal v0.10.0
[INFO] [stderr] error[E0658]: use of unstable library feature 'stdsimd'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/basic_dsp_vector-0.8.1/src/vector_types/support_std.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let reg_len = sel_reg!(get_reg_len::<f32>());
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27731 <https://github.com/rust-lang/rust/issues/27731> for more information
[INFO] [stderr]    = help: add `#![feature(stdsimd)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `basic_dsp_vector`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5ee095248393670c8341cef6292523adac4d3a84ee2e638589502230632dfefa"`
[INFO] running `"docker" "rm" "-f" "5ee095248393670c8341cef6292523adac4d3a84ee2e638589502230632dfefa"`
[INFO] [stdout] 5ee095248393670c8341cef6292523adac4d3a84ee2e638589502230632dfefa