[INFO] cloning repository https://github.com/eugenehp/gpu-fft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eugenehp/gpu-fft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fgpu-fft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fgpu-fft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06d85adf4a883a4c4d2f410039b425b6a3d4560b
[INFO] checking eugenehp/gpu-fft against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fgpu-fft" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eugenehp/gpu-fft
[INFO] finished tweaking git repo https://github.com/eugenehp/gpu-fft
[INFO] tweaked toml for git repo https://github.com/eugenehp/gpu-fft written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eugenehp/gpu-fft on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eugenehp/gpu-fft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f19c1b9356680cdb49bda54402cdb1ae8dfb4d368d40ac4aabf898b6c2a08c77
[INFO] running `Command { std: "docker" "start" "-a" "f19c1b9356680cdb49bda54402cdb1ae8dfb4d368d40ac4aabf898b6c2a08c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f19c1b9356680cdb49bda54402cdb1ae8dfb4d368d40ac4aabf898b6c2a08c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19c1b9356680cdb49bda54402cdb1ae8dfb4d368d40ac4aabf898b6c2a08c77", kill_on_drop: false }`
[INFO] [stdout] f19c1b9356680cdb49bda54402cdb1ae8dfb4d368d40ac4aabf898b6c2a08c77
[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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638f9125695c0e2dbeacc93a7adf8ece2d978f5e77f1e2b05638e5747726c981
[INFO] running `Command { std: "docker" "start" "-a" "638f9125695c0e2dbeacc93a7adf8ece2d978f5e77f1e2b05638e5747726c981", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `twiddles`
[INFO] [stdout]  --> examples/simple.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use gpu_fft::{fft, ifft, psd, twiddles, utils};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> examples/simple.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let n = real.len();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> examples/simple.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let output = ifft::ifft::<Runtime>(&device, real, imag);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.05s
[INFO] running `Command { std: "docker" "inspect" "638f9125695c0e2dbeacc93a7adf8ece2d978f5e77f1e2b05638e5747726c981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638f9125695c0e2dbeacc93a7adf8ece2d978f5e77f1e2b05638e5747726c981", kill_on_drop: false }`
[INFO] [stdout] 638f9125695c0e2dbeacc93a7adf8ece2d978f5e77f1e2b05638e5747726c981