[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] testing Ryu1845/cutfd_lib against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyu1845%2Fcutfd_lib" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ryu1845/cutfd_lib on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dffa34fa041ebb0ef472753ab6aa97ec8b53d964a2dfc2367808669523fcceee
[INFO] running `Command { std: "docker" "start" "-a" "dffa34fa041ebb0ef472753ab6aa97ec8b53d964a2dfc2367808669523fcceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffa34fa041ebb0ef472753ab6aa97ec8b53d964a2dfc2367808669523fcceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffa34fa041ebb0ef472753ab6aa97ec8b53d964a2dfc2367808669523fcceee", kill_on_drop: false }`
[INFO] [stdout] dffa34fa041ebb0ef472753ab6aa97ec8b53d964a2dfc2367808669523fcceee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ef6bf54974d03b7af73a62e5db8369adbe2295e35b4c0ccb54ea7fac05ba5f
[INFO] running `Command { std: "docker" "start" "-a" "e1ef6bf54974d03b7af73a62e5db8369adbe2295e35b4c0ccb54ea7fac05ba5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[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 serde_derive v1.0.136
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling indxvec v1.1.5
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling rstats v1.0.13
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustfft v4.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling super_mass v0.1.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `Command { std: "docker" "inspect" "e1ef6bf54974d03b7af73a62e5db8369adbe2295e35b4c0ccb54ea7fac05ba5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ef6bf54974d03b7af73a62e5db8369adbe2295e35b4c0ccb54ea7fac05ba5f", kill_on_drop: false }`
[INFO] [stdout] e1ef6bf54974d03b7af73a62e5db8369adbe2295e35b4c0ccb54ea7fac05ba5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0bf77350df1fe59a20076ef0300feccfddf79a0e7912b58d737e56c97071f2
[INFO] running `Command { std: "docker" "start" "-a" "be0bf77350df1fe59a20076ef0300feccfddf79a0e7912b58d737e56c97071f2", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "be0bf77350df1fe59a20076ef0300feccfddf79a0e7912b58d737e56c97071f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0bf77350df1fe59a20076ef0300feccfddf79a0e7912b58d737e56c97071f2", kill_on_drop: false }`
[INFO] [stdout] be0bf77350df1fe59a20076ef0300feccfddf79a0e7912b58d737e56c97071f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcb54f794cadeff58bcc28092268b305b4e9a7440e65d1a57a9a54892e8f1d1a
[INFO] running `Command { std: "docker" "start" "-a" "fcb54f794cadeff58bcc28092268b305b4e9a7440e65d1a57a9a54892e8f1d1a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 | /             match orig_sampl.next() {
[INFO] [stderr] 59 | |                 Some(sample) => match sample {
[INFO] [stderr] 60 | |                     Ok(sample) => Ok(orig_sampl_chunk.push(sample)),
[INFO] [stderr] 61 | |                     Err(err) => Err(err),
[INFO] [stderr] 62 | |                 },
[INFO] [stderr] 63 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stderr] 64 | |             };
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let _ = match orig_sampl.next() {
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 | /             match cp_sampl.next() {
[INFO] [stderr] 71 | |                 Some(sample) => match sample {
[INFO] [stderr] 72 | |                     Ok(sample) => Ok(cp_sampl_chunk.push(sample)),
[INFO] [stderr] 73 | |                     Err(err) => Err(err),
[INFO] [stderr] 74 | |                 },
[INFO] [stderr] 75 | |                 None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stderr] 76 | |             };
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let _ = match cp_sampl.next() {
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 | /         match cp_sampl.next() {
[INFO] [stderr] 107 | |             Some(sample) => match sample {
[INFO] [stderr] 108 | |                 Ok(sample) => Ok(cp_sampl_chunk.push(sample as f64)),
[INFO] [stderr] 109 | |                 Err(err) => Err(err),
[INFO] [stderr] 110 | |             },
[INFO] [stderr] 111 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stderr] 112 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let _ = match cp_sampl.next() {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 | /         match orig_samples.next() {
[INFO] [stderr] 116 | |             Some(sample) => match sample {
[INFO] [stderr] 117 | |                 Ok(sample) => Ok(window_samples.push(sample as f64)),
[INFO] [stderr] 118 | |                 Err(err) => Err(err),
[INFO] [stderr] 119 | |             },
[INFO] [stderr] 120 | |             None => Err(hound::Error::InvalidSampleFormat),
[INFO] [stderr] 121 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let _ = match orig_samples.next() {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cutfd_lib` (lib) generated 4 warnings
[INFO] [stderr] warning: `cutfd_lib` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cutfd_lib-2e352610d6c86f2f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cutfd_lib
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - find_beginning (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - find_beginning (line 22) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (55) panicked at src/lib.rs:4:6:
[INFO] [stdout] Failed to open input waveform: IoError(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6433b207c752 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6433b207c752 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6433b207c752 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6433b207c752 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6433b208b6ef - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6433b208b6ef - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x6433b205ab91 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6433b205ab91 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6433b205ff12 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6433b206176c - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6433b20615c6 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x6433b2061df5 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x6433b2061c8a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x6433b2060049 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x6433b204f5ed - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x6433b208eac0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x6433b208e2a6 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   17:     0x6433b2049271 - core::result::Result<T,E>::expect::h01821b9a189135f3
[INFO] [stdout]   18:     0x6433b204e33c - rust_out::main::_doctest_main_src_lib_rs_22_0::h591e3d2c42b8568c
[INFO] [stdout]   19:     0x6433b204e2e6 - rust_out::main::h909c389308a13d94
[INFO] [stdout]   20:     0x6433b2048173 - core::ops::function::FnOnce::call_once::he80aaf16098e337a
[INFO] [stdout]   21:     0x6433b2047d06 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68
[INFO] [stdout]   22:     0x6433b2047c49 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b
[INFO] [stdout]   23:     0x6433b205bf90 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x6433b205bf90 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   25:     0x6433b205bf90 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   26:     0x6433b205bf90 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x6433b205bf90 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x6433b205bf90 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x6433b205bf90 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x6433b205bf90 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6433b205bf90 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x6433b2047c31 - std::rt::lang_start::h5d51bffdfd88737a
[INFO] [stdout]   33:     0x6433b204e695 - main
[INFO] [stdout]   34:     0x7f2f3887b1ca - <unknown>
[INFO] [stdout]   35:     0x7f2f3887b28b - __libc_start_main
[INFO] [stdout]   36:     0x6433b2046a95 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - find_beginning (line 22)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fcb54f794cadeff58bcc28092268b305b4e9a7440e65d1a57a9a54892e8f1d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb54f794cadeff58bcc28092268b305b4e9a7440e65d1a57a9a54892e8f1d1a", kill_on_drop: false }`
[INFO] [stdout] fcb54f794cadeff58bcc28092268b305b4e9a7440e65d1a57a9a54892e8f1d1a
