[INFO] cloning repository https://github.com/SolarLiner/rsfdn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SolarLiner/rsfdn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Frsfdn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Frsfdn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97459728ac99ab9b1dd64041b468dd0674f0d477
[INFO] checking SolarLiner/rsfdn against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Frsfdn" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SolarLiner/rsfdn
[INFO] finished tweaking git repo https://github.com/SolarLiner/rsfdn
[INFO] tweaked toml for git repo https://github.com/SolarLiner/rsfdn written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SolarLiner/rsfdn on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SolarLiner/rsfdn 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76d634326909c70d5a5ae2cb3e9b6ce61e26ea11213df70b59d3ab0e7ff458d
[INFO] running `Command { std: "docker" "start" "-a" "f76d634326909c70d5a5ae2cb3e9b6ce61e26ea11213df70b59d3ab0e7ff458d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76d634326909c70d5a5ae2cb3e9b6ce61e26ea11213df70b59d3ab0e7ff458d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76d634326909c70d5a5ae2cb3e9b6ce61e26ea11213df70b59d3ab0e7ff458d", kill_on_drop: false }`
[INFO] [stdout] f76d634326909c70d5a5ae2cb3e9b6ce61e26ea11213df70b59d3ab0e7ff458d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d81712f7686742c015f83979a56bbf3b69d6c2d9b4f85b03cecc98c250c2e84
[INFO] running `Command { std: "docker" "start" "-a" "5d81712f7686742c015f83979a56bbf3b69d6c2d9b4f85b03cecc98c250c2e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ringbuf v0.2.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking fdn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add` and `Mul`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{AddAssign, Mul, Add};
[INFO] [stdout]   |                           ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ndelays`
[INFO] [stdout]   --> src/lib.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new(ndelays: usize, frame_size: usize) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ndelays`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut inp_local: Vec<_> = inp.into();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn copy<T: Clone>(to: &mut [T], from: &[T]) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix` is never used
[INFO] [stdout]    --> src/lib.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn mix(into: &mut [f64], from: &[f64], t: f64) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_matrix` is never used
[INFO] [stdout]    --> src/lib.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn gen_matrix(ndelays: usize, val: f64) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hadamard` is never used
[INFO] [stdout]    --> src/lib.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn hadamard(logn: usize) -> Vec<Vec<isize>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trunc_matrix` is never used
[INFO] [stdout]    --> src/lib.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn trunc_matrix<T: Clone>(data: Vec<Vec<T>>, m: usize, n: usize) -> Vec<Vec<T>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     self.tx.push(i);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     let _ = self.tx.push(i);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add` and `Mul`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{AddAssign, Mul, Add};
[INFO] [stdout]   |                           ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavIntoSamples`
[INFO] [stdout]  --> src/bin/wavproc.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{WavIntoSamples, WavReader, WavWriter};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WavIntoSamples`
[INFO] [stdout]  --> src/bin/wavproc.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hound::{WavIntoSamples, WavReader, WavWriter};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/wavproc.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut spec = reader.spec();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/wavproc.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut spec = reader.spec();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ndelays`
[INFO] [stdout]   --> src/lib.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new(ndelays: usize, frame_size: usize) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ndelays`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut inp_local: Vec<_> = inp.into();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn copy<T: Clone>(to: &mut [T], from: &[T]) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix` is never used
[INFO] [stdout]    --> src/lib.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn mix(into: &mut [f64], from: &[f64], t: f64) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_matrix` is never used
[INFO] [stdout]    --> src/lib.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn gen_matrix(ndelays: usize, val: f64) -> Vec<Vec<f64>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     self.tx.push(i);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     let _ = self.tx.push(i);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "5d81712f7686742c015f83979a56bbf3b69d6c2d9b4f85b03cecc98c250c2e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d81712f7686742c015f83979a56bbf3b69d6c2d9b4f85b03cecc98c250c2e84", kill_on_drop: false }`
[INFO] [stdout] 5d81712f7686742c015f83979a56bbf3b69d6c2d9b4f85b03cecc98c250c2e84
