[INFO] fetching crate tizol 0.1.0...
[INFO] documenting tizol-0.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate tizol 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tizol 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-1/source/examples/spectrogram.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409d5ca4c3f15a4be3d649bd40e48f76dfac37ed4fe00647ecfe88c48e1b883e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "409d5ca4c3f15a4be3d649bd40e48f76dfac37ed4fe00647ecfe88c48e1b883e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409d5ca4c3f15a4be3d649bd40e48f76dfac37ed4fe00647ecfe88c48e1b883e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409d5ca4c3f15a4be3d649bd40e48f76dfac37ed4fe00647ecfe88c48e1b883e", kill_on_drop: false }`
[INFO] [stdout] 409d5ca4c3f15a4be3d649bd40e48f76dfac37ed4fe00647ecfe88c48e1b883e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d454ee842d74b78ac5dfd026e9b1b3d8347c6ecbe0ba95ec4859d11eac81f44c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d454ee842d74b78ac5dfd026e9b1b3d8347c6ecbe0ba95ec4859d11eac81f44c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/spectrogram.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[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 fixedbitset v0.1.9
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.2
[INFO] [stderr]     Checking apodize v0.3.1
[INFO] [stderr]     Checking strider v0.1.3
[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 num-rational v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking libc v0.2.60
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking rustfft v3.0.0
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]     Checking bstr v0.2.4
[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 csv v1.1.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.0
[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] [stderr]  Documenting tizol v0.1.0 (/opt/rustwide/workdir)
[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]     |                  ^^^^^^ help: use `dyn`: `dyn FFT<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log10_positive`
[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 is never used: `WINDOW_TYPES`
[INFO] [stdout]    --> src/stft.rs:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | / static WINDOW_TYPES: [WindowType; 5] = [WindowType::Hanning,
[INFO] [stdout] 135 | |                                         WindowType::Hamming,
[INFO] [stdout] 136 | |                                         WindowType::Blackman,
[INFO] [stdout] 137 | |                                         WindowType::Nuttall,
[INFO] [stdout] 138 | |                                         WindowType::None];
[INFO] [stdout]     | |__________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[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 is never used: `len`
[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 is never used: `compute_complex_column`
[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 is never used: `compute_column`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "d454ee842d74b78ac5dfd026e9b1b3d8347c6ecbe0ba95ec4859d11eac81f44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d454ee842d74b78ac5dfd026e9b1b3d8347c6ecbe0ba95ec4859d11eac81f44c", kill_on_drop: false }`
[INFO] [stdout] d454ee842d74b78ac5dfd026e9b1b3d8347c6ecbe0ba95ec4859d11eac81f44c
