[INFO] fetching crate ladspa_noisecoring 1.0.0...
[INFO] checking ladspa_noisecoring-1.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ladspa_noisecoring 1.0.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate ladspa_noisecoring 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ladspa_noisecoring 1.0.0
[INFO] finished tweaking crates.io crate ladspa_noisecoring 1.0.0
[INFO] tweaked toml for crates.io crate ladspa_noisecoring 1.0.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded ladspa v0.3.4
[INFO] [stderr]   Downloaded rustfft v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7306b6819b2be27688b57580cb72da5766d7942d386ca85e08abb39fba31be9
[INFO] running `Command { std: "docker" "start" "-a" "b7306b6819b2be27688b57580cb72da5766d7942d386ca85e08abb39fba31be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7306b6819b2be27688b57580cb72da5766d7942d386ca85e08abb39fba31be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7306b6819b2be27688b57580cb72da5766d7942d386ca85e08abb39fba31be9", kill_on_drop: false }`
[INFO] [stdout] b7306b6819b2be27688b57580cb72da5766d7942d386ca85e08abb39fba31be9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 748b4ac4c42a9a0622ac5b33c17ae1bc75ba2a02ac9241a82dab48bc0db0d576
[INFO] running `Command { std: "docker" "start" "-a" "748b4ac4c42a9a0622ac5b33c17ae1bc75ba2a02ac9241a82dab48bc0db0d576", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking ladspa v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rustfft v2.1.0
[INFO] [stderr]     Checking ladspa_noisecoring v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |    short_fft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                          ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |    short_ifft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                           ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |    full_fft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |    short_fft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                          ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |    full_ifft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                          ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |    short_ifft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                           ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |    full_fft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 | /                (1.0 - f32::exp (
[INFO] [stdout] 262 | |                   -x.norm()
[INFO] [stdout] 263 | |                      / strength
[INFO] [stdout] 264 | |                      / (self.window_size/4) as f32))
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 |                1.0 - f32::exp (
[INFO] [stdout] 262 |                   -x.norm()
[INFO] [stdout] 263 |                      / strength
[INFO] [stdout] 264 |                      / (self.window_size/4) as f32)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |    full_ifft: Option<Arc<FFT<f32>>>,
[INFO] [stdout]    |                          ^^^^^^^^ help: use `dyn`: `dyn FFT<f32>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:415:58
[INFO] [stdout]     |
[INFO] [stdout] 415 | fn new_noisecoring (_: &PluginDescriptor, _: u64) -> Box<Plugin + Send>
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Plugin + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 | /                (1.0 - f32::exp (
[INFO] [stdout] 262 | |                   -x.norm()
[INFO] [stdout] 263 | |                      / strength
[INFO] [stdout] 264 | |                      / (self.window_size/4) as f32))
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 |                1.0 - f32::exp (
[INFO] [stdout] 262 |                   -x.norm()
[INFO] [stdout] 263 |                      / strength
[INFO] [stdout] 264 |                      / (self.window_size/4) as f32)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:415:58
[INFO] [stdout]     |
[INFO] [stdout] 415 | fn new_noisecoring (_: &PluginDescriptor, _: u64) -> Box<Plugin + Send>
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn Plugin + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Option<PluginDescriptor>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:603:53
[INFO] [stdout]     |
[INFO] [stdout] 603 | pub extern fn get_ladspa_descriptor (index: u64) -> Option<PluginDescriptor>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Option<PluginDescriptor>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:603:53
[INFO] [stdout]     |
[INFO] [stdout] 603 | pub extern fn get_ladspa_descriptor (index: u64) -> Option<PluginDescriptor>
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "748b4ac4c42a9a0622ac5b33c17ae1bc75ba2a02ac9241a82dab48bc0db0d576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748b4ac4c42a9a0622ac5b33c17ae1bc75ba2a02ac9241a82dab48bc0db0d576", kill_on_drop: false }`
[INFO] [stdout] 748b4ac4c42a9a0622ac5b33c17ae1bc75ba2a02ac9241a82dab48bc0db0d576
