[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#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Frsfdn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SolarLiner/rsfdn on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efb3b8743e938ec2a147a2d76f010f5f2267b99dc824fc80c7c1f83779843e16 [INFO] running `Command { std: "docker" "start" "-a" "efb3b8743e938ec2a147a2d76f010f5f2267b99dc824fc80c7c1f83779843e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efb3b8743e938ec2a147a2d76f010f5f2267b99dc824fc80c7c1f83779843e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efb3b8743e938ec2a147a2d76f010f5f2267b99dc824fc80c7c1f83779843e16", kill_on_drop: false }` [INFO] [stdout] efb3b8743e938ec2a147a2d76f010f5f2267b99dc824fc80c7c1f83779843e16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ffb4e54b7fd28a983e1c389dac607b4795e891d58b7f7ebfbec7db391dc6462 [INFO] running `Command { std: "docker" "start" "-a" "1ffb4e54b7fd28a983e1c389dac607b4795e891d58b7f7ebfbec7db391dc6462", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Checking ringbuf v0.2.2 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [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 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(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> { [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> { [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(data: Vec>, m: usize, n: usize) -> Vec> { [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 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(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> { [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 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] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/wavproc.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / #[structopt(name = "INPUT")] [INFO] [stdout] 11 | | input: PathBuf, [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/wavproc.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / #[structopt(name = "OUTPUT")] [INFO] [stdout] 13 | | output: PathBuf, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fdn` (bin "wavproc" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/wavproc.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / #[structopt(name = "INPUT")] [INFO] [stdout] 11 | | input: PathBuf, [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/wavproc.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / #[structopt(name = "OUTPUT")] [INFO] [stdout] 13 | | output: PathBuf, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fdn` (bin "wavproc") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1ffb4e54b7fd28a983e1c389dac607b4795e891d58b7f7ebfbec7db391dc6462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ffb4e54b7fd28a983e1c389dac607b4795e891d58b7f7ebfbec7db391dc6462", kill_on_drop: false }` [INFO] [stdout] 1ffb4e54b7fd28a983e1c389dac607b4795e891d58b7f7ebfbec7db391dc6462