[INFO] cloning repository https://github.com/Ryu1845/cutfd_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryu1845/cutfd_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyu1845%2Fcutfd_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyu1845%2Fcutfd_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f80542d264e849b05c09daae503d30d714d42bf
[INFO] checking Ryu1845/cutfd_lib against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyu1845%2Fcutfd_lib" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryu1845/cutfd_lib on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryu1845/cutfd_lib
[INFO] finished tweaking git repo https://github.com/Ryu1845/cutfd_lib
[INFO] tweaked toml for git repo https://github.com/Ryu1845/cutfd_lib written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryu1845/cutfd_lib 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstats v1.0.13
[INFO] [stderr]   Downloaded super_mass v0.1.0
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded indxvec v1.1.5
[INFO] [stderr]   Downloaded transpose v0.2.1
[INFO] [stderr]   Downloaded rustfft v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86be2c5dd6dec2494c4ec2437402cbf657a649a7f37d7923e77af4b6739f4bf
[INFO] running `Command { std: "docker" "start" "-a" "b86be2c5dd6dec2494c4ec2437402cbf657a649a7f37d7923e77af4b6739f4bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86be2c5dd6dec2494c4ec2437402cbf657a649a7f37d7923e77af4b6739f4bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86be2c5dd6dec2494c4ec2437402cbf657a649a7f37d7923e77af4b6739f4bf", kill_on_drop: false }`
[INFO] [stdout] b86be2c5dd6dec2494c4ec2437402cbf657a649a7f37d7923e77af4b6739f4bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8abe8ce131dabb5ceb8e53c5e4e2204df9ef4a3ea9379fca90a563fe13e8aa3d
[INFO] running `Command { std: "docker" "start" "-a" "8abe8ce131dabb5ceb8e53c5e4e2204df9ef4a3ea9379fca90a563fe13e8aa3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking indxvec v1.1.5
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking rstats v1.0.13
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking rustfft v4.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking super_mass v0.1.0
[INFO] [stderr]     Checking cutfd_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 | /             match orig_sampl.next() {
[INFO] [stdout] 59 | |                 Some(sample) => match sample {
[INFO] [stdout] 60 | |                     Ok(sample) => Ok(orig_sampl_chunk.push(sample)),
[INFO] [stdout] 61 | |                     Err(err) => Err(err),
[INFO] [stdout] 62 | |                 },
[INFO] [stdout] 63 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 64 | |             };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = match orig_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 | /             match cp_sampl.next() {
[INFO] [stdout] 71 | |                 Some(sample) => match sample {
[INFO] [stdout] 72 | |                     Ok(sample) => Ok(cp_sampl_chunk.push(sample)),
[INFO] [stdout] 73 | |                     Err(err) => Err(err),
[INFO] [stdout] 74 | |                 },
[INFO] [stdout] 75 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 76 | |             };
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = match cp_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | /         match cp_sampl.next() {
[INFO] [stdout] 107 | |             Some(sample) => match sample {
[INFO] [stdout] 108 | |                 Ok(sample) => Ok(cp_sampl_chunk.push(sample as f64)),
[INFO] [stdout] 109 | |                 Err(err) => Err(err),
[INFO] [stdout] 110 | |             },
[INFO] [stdout] 111 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 112 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = match cp_sampl.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | /         match orig_samples.next() {
[INFO] [stdout] 116 | |             Some(sample) => match sample {
[INFO] [stdout] 117 | |                 Ok(sample) => Ok(window_samples.push(sample as f64)),
[INFO] [stdout] 118 | |                 Err(err) => Err(err),
[INFO] [stdout] 119 | |             },
[INFO] [stdout] 120 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 121 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = match orig_samples.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 | /             match orig_sampl.next() {
[INFO] [stdout] 59 | |                 Some(sample) => match sample {
[INFO] [stdout] 60 | |                     Ok(sample) => Ok(orig_sampl_chunk.push(sample)),
[INFO] [stdout] 61 | |                     Err(err) => Err(err),
[INFO] [stdout] 62 | |                 },
[INFO] [stdout] 63 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 64 | |             };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = match orig_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 | /             match cp_sampl.next() {
[INFO] [stdout] 71 | |                 Some(sample) => match sample {
[INFO] [stdout] 72 | |                     Ok(sample) => Ok(cp_sampl_chunk.push(sample)),
[INFO] [stdout] 73 | |                     Err(err) => Err(err),
[INFO] [stdout] 74 | |                 },
[INFO] [stdout] 75 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 76 | |             };
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = match cp_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | /         match cp_sampl.next() {
[INFO] [stdout] 107 | |             Some(sample) => match sample {
[INFO] [stdout] 108 | |                 Ok(sample) => Ok(cp_sampl_chunk.push(sample as f64)),
[INFO] [stdout] 109 | |                 Err(err) => Err(err),
[INFO] [stdout] 110 | |             },
[INFO] [stdout] 111 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 112 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = match cp_sampl.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | /         match orig_samples.next() {
[INFO] [stdout] 116 | |             Some(sample) => match sample {
[INFO] [stdout] 117 | |                 Ok(sample) => Ok(window_samples.push(sample as f64)),
[INFO] [stdout] 118 | |                 Err(err) => Err(err),
[INFO] [stdout] 119 | |             },
[INFO] [stdout] 120 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 121 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = match orig_samples.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "8abe8ce131dabb5ceb8e53c5e4e2204df9ef4a3ea9379fca90a563fe13e8aa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abe8ce131dabb5ceb8e53c5e4e2204df9ef4a3ea9379fca90a563fe13e8aa3d", kill_on_drop: false }`
[INFO] [stdout] 8abe8ce131dabb5ceb8e53c5e4e2204df9ef4a3ea9379fca90a563fe13e8aa3d
[INFO] checking Ryu1845/cutfd_lib against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyu1845%2Fcutfd_lib" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryu1845/cutfd_lib on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryu1845/cutfd_lib
[INFO] finished tweaking git repo https://github.com/Ryu1845/cutfd_lib
[INFO] tweaked toml for git repo https://github.com/Ryu1845/cutfd_lib written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryu1845/cutfd_lib 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92ab162b32699421174e90e248956c4a35efef4fdeb999fa98c556afaa622052
[INFO] running `Command { std: "docker" "start" "-a" "92ab162b32699421174e90e248956c4a35efef4fdeb999fa98c556afaa622052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ab162b32699421174e90e248956c4a35efef4fdeb999fa98c556afaa622052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ab162b32699421174e90e248956c4a35efef4fdeb999fa98c556afaa622052", kill_on_drop: false }`
[INFO] [stdout] 92ab162b32699421174e90e248956c4a35efef4fdeb999fa98c556afaa622052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246ff1312cdedb05dff20a019e85238f026f612b9f5f25241bb5b9d300d562f0
[INFO] running `Command { std: "docker" "start" "-a" "246ff1312cdedb05dff20a019e85238f026f612b9f5f25241bb5b9d300d562f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking indxvec v1.1.5
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking rstats v1.0.13
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rustfft v4.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking super_mass v0.1.0
[INFO] [stderr]     Checking cutfd_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 | /             match orig_sampl.next() {
[INFO] [stdout] 59 | |                 Some(sample) => match sample {
[INFO] [stdout] 60 | |                     Ok(sample) => Ok(orig_sampl_chunk.push(sample)),
[INFO] [stdout] 61 | |                     Err(err) => Err(err),
[INFO] [stdout] 62 | |                 },
[INFO] [stdout] 63 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 64 | |             };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = match orig_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 | /             match cp_sampl.next() {
[INFO] [stdout] 71 | |                 Some(sample) => match sample {
[INFO] [stdout] 72 | |                     Ok(sample) => Ok(cp_sampl_chunk.push(sample)),
[INFO] [stdout] 73 | |                     Err(err) => Err(err),
[INFO] [stdout] 74 | |                 },
[INFO] [stdout] 75 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 76 | |             };
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = match cp_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | /         match cp_sampl.next() {
[INFO] [stdout] 107 | |             Some(sample) => match sample {
[INFO] [stdout] 108 | |                 Ok(sample) => Ok(cp_sampl_chunk.push(sample as f64)),
[INFO] [stdout] 109 | |                 Err(err) => Err(err),
[INFO] [stdout] 110 | |             },
[INFO] [stdout] 111 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 112 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = match cp_sampl.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | /         match orig_samples.next() {
[INFO] [stdout] 116 | |             Some(sample) => match sample {
[INFO] [stdout] 117 | |                 Ok(sample) => Ok(window_samples.push(sample as f64)),
[INFO] [stdout] 118 | |                 Err(err) => Err(err),
[INFO] [stdout] 119 | |             },
[INFO] [stdout] 120 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 121 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = match orig_samples.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 | /             match orig_sampl.next() {
[INFO] [stdout] 59 | |                 Some(sample) => match sample {
[INFO] [stdout] 60 | |                     Ok(sample) => Ok(orig_sampl_chunk.push(sample)),
[INFO] [stdout] 61 | |                     Err(err) => Err(err),
[INFO] [stdout] 62 | |                 },
[INFO] [stdout] 63 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 64 | |             };
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = match orig_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 | /             match cp_sampl.next() {
[INFO] [stdout] 71 | |                 Some(sample) => match sample {
[INFO] [stdout] 72 | |                     Ok(sample) => Ok(cp_sampl_chunk.push(sample)),
[INFO] [stdout] 73 | |                     Err(err) => Err(err),
[INFO] [stdout] 74 | |                 },
[INFO] [stdout] 75 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 76 | |             };
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = match cp_sampl.next() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | /         match cp_sampl.next() {
[INFO] [stdout] 107 | |             Some(sample) => match sample {
[INFO] [stdout] 108 | |                 Ok(sample) => Ok(cp_sampl_chunk.push(sample as f64)),
[INFO] [stdout] 109 | |                 Err(err) => Err(err),
[INFO] [stdout] 110 | |             },
[INFO] [stdout] 111 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 112 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = match cp_sampl.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | /         match orig_samples.next() {
[INFO] [stdout] 116 | |             Some(sample) => match sample {
[INFO] [stdout] 117 | |                 Ok(sample) => Ok(window_samples.push(sample as f64)),
[INFO] [stdout] 118 | |                 Err(err) => Err(err),
[INFO] [stdout] 119 | |             },
[INFO] [stdout] 120 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stdout] 121 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = match orig_samples.next() {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "246ff1312cdedb05dff20a019e85238f026f612b9f5f25241bb5b9d300d562f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246ff1312cdedb05dff20a019e85238f026f612b9f5f25241bb5b9d300d562f0", kill_on_drop: false }`
[INFO] [stdout] 246ff1312cdedb05dff20a019e85238f026f612b9f5f25241bb5b9d300d562f0