[INFO] fetching crate tizol 0.1.0...
[INFO] checking tizol-0.1.0 against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164-1
[INFO] extracting crate tizol 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tizol 0.1.0 on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-2-tc1/source/examples/spectrogram.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `spectrogram`
[INFO] [stderr]   * `example` target `spectrogram`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded rulinalg v0.4.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded transpose v0.1.0
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded num v0.1.42
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[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded gif v0.10.2
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded bindgen v0.47.3
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded hashbrown v0.1.8
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded apodize v0.3.1
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[INFO] [stderr]   Downloaded strength_reduce v0.2.2
[INFO] [stderr]   Downloaded scarlet v1.0.2
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr]   Downloaded bstr v0.2.4
[INFO] [stderr]   Downloaded hodges v1.0.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
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[INFO] [stderr]   Downloaded heck v0.3.1
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[INFO] [stderr]   Downloaded prost v0.5.0
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[INFO] [stderr]   Downloaded textwrap v0.11.0
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[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded geo-types v0.2.2
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded cexpr v0.3.5
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[INFO] [stderr]   Downloaded multimap v0.4.0
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[INFO] [stderr]   Downloaded cmake v0.1.40
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[INFO] [stderr]   Downloaded syn v0.15.40
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[INFO] [stderr]   Downloaded geo v0.10.3
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[INFO] [stderr]   Downloaded deflate v0.7.20
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[INFO] [stderr]   Downloaded regex-automata v0.1.8
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[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded spade v1.8.0
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded pdqselect v0.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded serde v1.0.97
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[INFO] [stderr]   Downloaded serde_derive v1.0.97
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[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded rustfft v3.0.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded clamp v0.1.0
[INFO] [stderr]   Downloaded alga v0.9.1
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded matrixmultiply v0.2.2
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded strider v0.1.3
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded approx v0.3.2
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[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe2b450f3d13e5bf5b2b57780f072cf704b16461cd18d0796bc23dfa2583917e
[INFO] running `Command { std: "docker" "start" "-a" "fe2b450f3d13e5bf5b2b57780f072cf704b16461cd18d0796bc23dfa2583917e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe2b450f3d13e5bf5b2b57780f072cf704b16461cd18d0796bc23dfa2583917e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2b450f3d13e5bf5b2b57780f072cf704b16461cd18d0796bc23dfa2583917e", kill_on_drop: false }`
[INFO] [stdout] fe2b450f3d13e5bf5b2b57780f072cf704b16461cd18d0796bc23dfa2583917e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d44ccd09a849c99d119c4a9bc0e3a24de3518c940d5ab61fc4e37218b1e589
[INFO] running `Command { std: "docker" "start" "-a" "a2d44ccd09a849c99d119c4a9bc0e3a24de3518c940d5ab61fc4e37218b1e589", 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 bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling version_check v0.1.5
[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_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking rustfft v3.0.0
[INFO] [stderr]     Checking apodize v0.3.1
[INFO] [stderr]     Checking strider v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking bstr v0.2.4
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling tizol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hodges v1.0.0
[INFO] [stderr]     Checking spade v1.8.0
[INFO] [stderr]     Checking geo-types v0.2.2
[INFO] [stderr]     Checking geo v0.10.3
[INFO] [stderr]     Checking scarlet v1.0.2
[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] 140 | impl WindowType {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 141 |     pub fn values() -> [WindowType; 5] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `compute_complex_column`, and `compute_column` are never used
[INFO] [stdout]    --> src/stft.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | / impl<T> STFT<T>
[INFO] [stdout] 161 | |     where T: FFTnum + FromF64 + num::Float
[INFO] [stdout]     | |__________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |       pub fn len(&self) -> usize {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |       pub fn compute_complex_column(&mut self, output: &mut [Complex<T>]) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^
[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] 140 | impl WindowType {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 141 |     pub fn values() -> [WindowType; 5] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `compute_complex_column`, and `compute_column` are never used
[INFO] [stdout]    --> src/stft.rs:215:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | / impl<T> STFT<T>
[INFO] [stdout] 161 | |     where T: FFTnum + FromF64 + num::Float
[INFO] [stdout]     | |__________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |       pub fn len(&self) -> usize {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |       pub fn compute_complex_column(&mut self, output: &mut [Complex<T>]) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |       pub fn compute_column(&mut self, output: &mut [T]) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = img2.save("rust_buf.png");
[INFO] [stdout]    |         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = img2.save("rust_buf.png");
[INFO] [stdout]    |         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = img2.save("rust_buf.png");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.5, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a2d44ccd09a849c99d119c4a9bc0e3a24de3518c940d5ab61fc4e37218b1e589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d44ccd09a849c99d119c4a9bc0e3a24de3518c940d5ab61fc4e37218b1e589", kill_on_drop: false }`
[INFO] [stdout] a2d44ccd09a849c99d119c4a9bc0e3a24de3518c940d5ab61fc4e37218b1e589
