[INFO] cloning repository https://github.com/pandaman64/fft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandaman64/fft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Ffft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Ffft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5064680840392c64223b1ceeacd3c508c398b15f
[INFO] checking pandaman64/fft against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Ffft" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandaman64/fft on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pandaman64/fft
[INFO] finished tweaking git repo https://github.com/pandaman64/fft
[INFO] tweaked toml for git repo https://github.com/pandaman64/fft written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pandaman64/fft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd94d414181d7b749c109d7f0722b1c4322bf3dee3fd592cfc237c1fab5b80c1
[INFO] running `Command { std: "docker" "start" "-a" "fd94d414181d7b749c109d7f0722b1c4322bf3dee3fd592cfc237c1fab5b80c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd94d414181d7b749c109d7f0722b1c4322bf3dee3fd592cfc237c1fab5b80c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd94d414181d7b749c109d7f0722b1c4322bf3dee3fd592cfc237c1fab5b80c1", kill_on_drop: false }`
[INFO] [stdout] fd94d414181d7b749c109d7f0722b1c4322bf3dee3fd592cfc237c1fab5b80c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525ecd68e1dee10e563423c39246823d0cc2f57051d8369b74022963db2c05b6
[INFO] running `Command { std: "docker" "start" "-a" "525ecd68e1dee10e563423c39246823d0cc2f57051d8369b74022963db2c05b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking rand_core v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]     Checking fft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fft`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn fft(input: &[Complex32], initial: bool) -> Vec<Complex32> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance`
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn distance(lhs: &[Complex32], rhs: &[Complex32]) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fft`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn fft(input: &[Complex32], initial: bool) -> Vec<Complex32> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_test`
[INFO] [stdout]    --> src/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn random_test(bit_len: usize, count: usize, tolerance: f32) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_input`
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn random_input(bit_len: usize) -> Vec<Complex32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_dft`
[INFO] [stdout]    --> src/main.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn run_dft(b: &mut Bencher, bit_len: usize) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_fft`
[INFO] [stdout]    --> src/main.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn run_fft(b: &mut Bencher, bit_len: usize) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "525ecd68e1dee10e563423c39246823d0cc2f57051d8369b74022963db2c05b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525ecd68e1dee10e563423c39246823d0cc2f57051d8369b74022963db2c05b6", kill_on_drop: false }`
[INFO] [stdout] 525ecd68e1dee10e563423c39246823d0cc2f57051d8369b74022963db2c05b6