[INFO] fetching crate tizol 0.1.0...
[INFO] checking tizol-0.1.0 against master#32da2305880765a4c76180086959a2d5da131565 for pr-105102-1
[INFO] extracting crate tizol 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tizol 0.1.0 on toolchain 32da2305880765a4c76180086959a2d5da131565
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tizol 0.1.0
[INFO] finished tweaking crates.io crate tizol 0.1.0
[INFO] tweaked toml for crates.io crate tizol 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tizol 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-6/source/examples/spectrogram.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `spectrogram`
[INFO] [stderr]   * `example` target `spectrogram`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1453b737f7cf0000ad61e887ce53e980ed25d8aaf81fd222fb4108a84b8c0cd1
[INFO] running `Command { std: "docker" "start" "-a" "1453b737f7cf0000ad61e887ce53e980ed25d8aaf81fd222fb4108a84b8c0cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1453b737f7cf0000ad61e887ce53e980ed25d8aaf81fd222fb4108a84b8c0cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1453b737f7cf0000ad61e887ce53e980ed25d8aaf81fd222fb4108a84b8c0cd1", kill_on_drop: false }`
[INFO] [stdout] 1453b737f7cf0000ad61e887ce53e980ed25d8aaf81fd222fb4108a84b8c0cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+32da2305880765a4c76180086959a2d5da131565" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 934ceb4e0a29ca8dbec52782f78001f2ead1e491050b555a9648fc5670043f9c
[INFO] running `Command { std: "docker" "start" "-a" "934ceb4e0a29ca8dbec52782f78001f2ead1e491050b555a9648fc5670043f9c", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/spectrogram.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `spectrogram`
[INFO] [stderr]   * `example` target `spectrogram`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.13
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling rand_core v0.5.0
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[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.2
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[INFO] [stderr]     Checking matrixmultiply v0.2.2
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[INFO] [stderr]    Compiling strsim v0.8.0
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[INFO] [stderr]     Checking adler32 v1.0.3
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[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
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[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking lzw v0.10.0
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[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking strength_reduce v0.2.2
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking strider v0.1.3
[INFO] [stderr]     Checking rustfft v3.0.0
[INFO] [stderr]     Checking apodize v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking bstr v0.2.4
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking image v0.22.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking spade v1.8.0
[INFO] [stderr]    Compiling tizol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking geo-types v0.2.2
[INFO] [stderr]     Checking geo v0.10.3
[INFO] [stderr]     Checking scarlet v1.0.2
[INFO] [stderr]    Compiling hodges v1.0.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/stft.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fft: Arc<FFT<T>>,
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fft: Arc<dyn FFT<T>>,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/stft.rs:151:18
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fft: Arc<FFT<T>>,
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fft: Arc<dyn FFT<T>>,
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log10_positive` is never used
[INFO] [stdout]   --> src/stft.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn log10_positive<T: Float + Signed + Zero>(value: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WINDOW_TYPES` is never used
[INFO] [stdout]    --> src/stft.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | static WINDOW_TYPES: [WindowType; 5] = [WindowType::Hanning,
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `values` is never used
[INFO] [stdout]    --> src/stft.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn values() -> [WindowType; 5] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `len` is never used
[INFO] [stdout]    --> src/stft.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_complex_column` is never used
[INFO] [stdout]    --> src/stft.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn compute_complex_column(&mut self, output: &mut [Complex<T>]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_column` is never used
[INFO] [stdout]    --> src/stft.rs:277:12
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn compute_column(&mut self, output: &mut [T]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log10_positive` is never used
[INFO] [stdout]   --> src/stft.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn log10_positive<T: Float + Signed + Zero>(value: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WINDOW_TYPES` is never used
[INFO] [stdout]    --> src/stft.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | static WINDOW_TYPES: [WindowType; 5] = [WindowType::Hanning,
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `values` is never used
[INFO] [stdout]    --> src/stft.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn values() -> [WindowType; 5] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `len` is never used
[INFO] [stdout]    --> src/stft.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_complex_column` is never used
[INFO] [stdout]    --> src/stft.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn compute_complex_column(&mut self, output: &mut [Complex<T>]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_column` is never used
[INFO] [stdout]    --> src/stft.rs:277:12
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn compute_column(&mut self, output: &mut [T]) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/spectrogram.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         img2.save("rust_buf.png");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/spectrogram.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         img2.save("rust_buf.png");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/spectrogram.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         img2.save("rust_buf.png");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.23s
[INFO] running `Command { std: "docker" "inspect" "934ceb4e0a29ca8dbec52782f78001f2ead1e491050b555a9648fc5670043f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934ceb4e0a29ca8dbec52782f78001f2ead1e491050b555a9648fc5670043f9c", kill_on_drop: false }`
[INFO] [stdout] 934ceb4e0a29ca8dbec52782f78001f2ead1e491050b555a9648fc5670043f9c