[INFO] updating cached repository https://github.com/19h/rust-htr-detect
[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] 28ebd31691a9663a7799912a87899fe491a07251
[INFO] checking 19h/rust-htr-detect against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Frust-htr-detect" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/19h/rust-htr-detect on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/19h/rust-htr-detect
[INFO] finished tweaking git repo https://github.com/19h/rust-htr-detect
[INFO] tweaked toml for git repo https://github.com/19h/rust-htr-detect written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/19h/rust-htr-detect already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 7ed0f2624b61bf19fc5ce0399344256b1d3929bb7120d9a60d73599889e985e5
[INFO] running `"docker" "start" "-a" "7ed0f2624b61bf19fc5ce0399344256b1d3929bb7120d9a60d73599889e985e5"`
[INFO] [stderr]     Checking smoothed_z_score v0.1.3
[INFO] [stderr]     Checking biquad v0.3.0
[INFO] [stderr]     Checking headtwitch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ToHertz`
[INFO] [stderr]  --> src/main.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use biquad::{Biquad, ToHertz, Hertz};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Peak`
[INFO] [stderr]  --> src/main.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use smoothed_z_score::{Peak, PeaksDetector, PeaksFilter};
[INFO] [stderr]   |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/stats.rs:906:7
[INFO] [stderr]     |
[INFO] [stderr] 906 |     #[bench]
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/stats.rs:912:7
[INFO] [stderr]     |
[INFO] [stderr] 912 |     #[bench]
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/stats.rs:922:7
[INFO] [stderr]     |
[INFO] [stderr] 922 |     #[bench]
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToHertz`
[INFO] [stderr]  --> src/main.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use biquad::{Biquad, ToHertz, Hertz};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Peak`
[INFO] [stderr]  --> src/main.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use smoothed_z_score::{Peak, PeaksDetector, PeaksFilter};
[INFO] [stderr]   |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:902:5
[INFO] [stderr]     |
[INFO] [stderr] 902 |     extern crate test;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:903:9
[INFO] [stderr]     |
[INFO] [stderr] 903 |     use self::test::Bencher;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:907:36
[INFO] [stderr]     |
[INFO] [stderr] 907 |     pub fn sum_three_items(b: &mut Bencher) {
[INFO] [stderr]     |                                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:913:33
[INFO] [stderr]     |
[INFO] [stderr] 913 |     pub fn sum_many_f64(b: &mut Bencher) {
[INFO] [stderr]     |                                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:923:28
[INFO] [stderr]     |
[INFO] [stderr] 923 |     pub fn no_iter(_: &mut Bencher) {}
[INFO] [stderr]     |                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `treshold`
[INFO] [stderr]    --> src/main.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let treshold = {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_treshold`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/stats.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn new(samples: &[f64]) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `winsorize`
[INFO] [stderr]    --> src/stats.rs:305:8
[INFO] [stderr]     |
[INFO] [stderr] 305 | pub fn winsorize(samples: &mut [f64], pct: f64) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `band_pass_low`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     band_pass_low: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `band_pass_high`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     band_pass_high: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ht_event_min_distance`
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ht_event_min_distance: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ht_event_width`
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     ht_event_width: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:908:11
[INFO] [stderr]     |
[INFO] [stderr] 908 |         b.iter(|| {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]    --> src/stats.rs:917:11
[INFO] [stderr]     |
[INFO] [stderr] 917 |         b.iter(|| {
[INFO] [stderr]     |           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stderr]     = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `headtwitch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7ed0f2624b61bf19fc5ce0399344256b1d3929bb7120d9a60d73599889e985e5"`
[INFO] running `"docker" "rm" "-f" "7ed0f2624b61bf19fc5ce0399344256b1d3929bb7120d9a60d73599889e985e5"`
[INFO] [stdout] 7ed0f2624b61bf19fc5ce0399344256b1d3929bb7120d9a60d73599889e985e5
