[INFO] updating cached repository https://github.com/pandaman64/fft
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5064680840392c64223b1ceeacd3c508c398b15f
[INFO] testing pandaman64/fft against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Ffft" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandaman64/fft on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f10e3ce97339c31f94fb906780a3b20d5bfcbb978946e3177831cf621b53d0c9
[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" "f10e3ce97339c31f94fb906780a3b20d5bfcbb978946e3177831cf621b53d0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f10e3ce97339c31f94fb906780a3b20d5bfcbb978946e3177831cf621b53d0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10e3ce97339c31f94fb906780a3b20d5bfcbb978946e3177831cf621b53d0c9", kill_on_drop: false }`
[INFO] [stdout] f10e3ce97339c31f94fb906780a3b20d5bfcbb978946e3177831cf621b53d0c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2142d6a1cf1fabf78f5f37cddc89201d2166d51ed0013226f9c15502ab4173d5
[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" "2142d6a1cf1fabf78f5f37cddc89201d2166d51ed0013226f9c15502ab4173d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling 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: `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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "2142d6a1cf1fabf78f5f37cddc89201d2166d51ed0013226f9c15502ab4173d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2142d6a1cf1fabf78f5f37cddc89201d2166d51ed0013226f9c15502ab4173d5", kill_on_drop: false }`
[INFO] [stdout] 2142d6a1cf1fabf78f5f37cddc89201d2166d51ed0013226f9c15502ab4173d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f50ed520e5cc24dbf05ee7896ac6857c7b7e77092f8fa5f8e052498b926d68
[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" "39f50ed520e5cc24dbf05ee7896ac6857c7b7e77092f8fa5f8e052498b926d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "39f50ed520e5cc24dbf05ee7896ac6857c7b7e77092f8fa5f8e052498b926d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f50ed520e5cc24dbf05ee7896ac6857c7b7e77092f8fa5f8e052498b926d68", kill_on_drop: false }`
[INFO] [stdout] 39f50ed520e5cc24dbf05ee7896ac6857c7b7e77092f8fa5f8e052498b926d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f7f71d5e99858691f7b4d7ba6617fc217ca9223f8729320678be123b2b2f86f
[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" "7f7f71d5e99858691f7b4d7ba6617fc217ca9223f8729320678be123b2b2f86f", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `fft`
[INFO] [stderr]   --> src/main.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn fft(input: &[Complex32], initial: bool) -> Vec<Complex32> {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fft-366da3993a548ded
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test bench_dft2 ... ok
[INFO] [stdout] test bench_dft3 ... ok
[INFO] [stdout] test bench_dft5 ... ok
[INFO] [stdout] test bench_dft1 ... ok
[INFO] [stdout] test bench_dft4 ... ok
[INFO] [stdout] test bench_dft8 ... ok
[INFO] [stdout] test bench_dft6 ... ok
[INFO] [stdout] test bench_dft7 ... ok
[INFO] [stdout] test bench_fft1 ... ok
[INFO] [stdout] test bench_fft5 ... ok
[INFO] [stdout] test bench_fft4 ... ok
[INFO] [stdout] test bench_fft6 ... ok
[INFO] [stdout] test bench_fft3 ... ok
[INFO] [stdout] test bench_fft9 ... ok
[INFO] [stdout] test bench_fft10 ... ok
[INFO] [stdout] test bench_fft7 ... ok
[INFO] [stdout] test bench_fft8 ... ok
[INFO] [stdout] test bench_fft2 ... ok
[INFO] [stdout] test bench_fft11 ... ok
[INFO] [stdout] test bench_dft9 ... ok
[INFO] [stdout] test bench_dft10 ... ok
[INFO] [stdout] test bench_dft11 ... ok
[INFO] [stdout] test test_precision ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f7f71d5e99858691f7b4d7ba6617fc217ca9223f8729320678be123b2b2f86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7f71d5e99858691f7b4d7ba6617fc217ca9223f8729320678be123b2b2f86f", kill_on_drop: false }`
[INFO] [stdout] 7f7f71d5e99858691f7b4d7ba6617fc217ca9223f8729320678be123b2b2f86f