[INFO] fetching crate rustfft 4.0.0...
[INFO] checking rustfft-4.0.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate rustfft 4.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustfft 4.0.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfft 4.0.0
[INFO] finished tweaking crates.io crate rustfft 4.0.0
[INFO] tweaked toml for crates.io crate rustfft 4.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rustfft 4.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a752642c1ded6cd9091d74ccc76faa89ba948cfde12a92e8c28f2e9de6dfd319
[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" "a752642c1ded6cd9091d74ccc76faa89ba948cfde12a92e8c28f2e9de6dfd319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a752642c1ded6cd9091d74ccc76faa89ba948cfde12a92e8c28f2e9de6dfd319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a752642c1ded6cd9091d74ccc76faa89ba948cfde12a92e8c28f2e9de6dfd319", kill_on_drop: false }`
[INFO] [stdout] a752642c1ded6cd9091d74ccc76faa89ba948cfde12a92e8c28f2e9de6dfd319
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 68a9b552cb2fda8370b64051a92ceee638f888ae5b0de9829ebe73122c6ae2dc
[INFO] running `Command { std: "docker" "start" "-a" "68a9b552cb2fda8370b64051a92ceee638f888ae5b0de9829ebe73122c6ae2dc", kill_on_drop: false }`
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking rustfft v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/rustfft.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let fft : Arc<FFT<_>> = Arc::new(GoodThomasAlgorithm::new(width_fft, height_fft));
[INFO] [stdout]    |                   ^^^^^^ help: use `dyn`: `dyn FFT<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let fft : Arc<FFT<f32>> = Arc::new(GoodThomasAlgorithm::new(Arc::clone(&width_fft), Arc::clone(&height_fft)));
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let fft : Arc<FFT<_>> = Arc::new(MixedRadix::new(width_fft, height_fft));
[INFO] [stdout]     |                   ^^^^^^ help: use `dyn`: `dyn FFT<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:140:38
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn plan_butterfly(len: usize) -> Arc<FFTButterfly<f32>> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FFTButterfly<f32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let fft : Arc<FFT<_>> = Arc::new(MixedRadixDoubleButterfly::new(width_fft, height_fft));
[INFO] [stdout]     |                   ^^^^^^ help: use `dyn`: `dyn FFT<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let fft : Arc<FFT<_>> = Arc::new(GoodThomasAlgorithmDoubleButterfly::new(width_fft, height_fft));
[INFO] [stdout]     |                   ^^^^^^ help: use `dyn`: `dyn FFT<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:201:19
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let fft : Arc<FFT<_>> = Arc::new(RadersAlgorithm::new(len, inner_fft));
[INFO] [stdout]     |                   ^^^^^^ help: use `dyn`: `dyn FFT<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> benches/rustfft.rs:225:23
[INFO] [stdout]     |
[INFO] [stdout] 225 |         let fft : Arc<FFT<f32>> = Arc::new(RadersAlgorithm::new(len, Arc::clone(&inner_fft)));
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68a9b552cb2fda8370b64051a92ceee638f888ae5b0de9829ebe73122c6ae2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a9b552cb2fda8370b64051a92ceee638f888ae5b0de9829ebe73122c6ae2dc", kill_on_drop: false }`
[INFO] [stdout] 68a9b552cb2fda8370b64051a92ceee638f888ae5b0de9829ebe73122c6ae2dc