[INFO] fetching crate real_time_fir_iir_filters 1.4.3...
[INFO] testing real_time_fir_iir_filters-1.4.3 against 1.95.0 for beta-1.96-2
[INFO] extracting crate real_time_fir_iir_filters 1.4.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate real_time_fir_iir_filters 1.4.3
[INFO] finished tweaking crates.io crate real_time_fir_iir_filters 1.4.3
[INFO] tweaked toml for crates.io crate real_time_fir_iir_filters 1.4.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate real_time_fir_iir_filters 1.4.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate real_time_fir_iir_filters 1.4.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]   Downloaded numscale v0.1.0
[INFO] [stderr]   Downloaded array_trait v1.1.1
[INFO] [stderr]   Downloaded linspace v0.2.1
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded slice_trait v0.2.1
[INFO] [stderr]   Downloaded moddef v0.3.0
[INFO] [stderr]   Downloaded core-text v20.1.0
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[INFO] [stderr]   Downloaded font-kit v0.14.3
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[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded ttf-parser v0.20.0
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.2
[INFO] [stderr]   Downloaded freetype-sys v0.20.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed2ed410d4525d20d31e2801322bf129a7f3d003351a642530499c15dee24285
[INFO] running `Command { std: "docker" "start" "-a" "ed2ed410d4525d20d31e2801322bf129a7f3d003351a642530499c15dee24285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed2ed410d4525d20d31e2801322bf129a7f3d003351a642530499c15dee24285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2ed410d4525d20d31e2801322bf129a7f3d003351a642530499c15dee24285", kill_on_drop: false }`
[INFO] [stdout] ed2ed410d4525d20d31e2801322bf129a7f3d003351a642530499c15dee24285
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fdcdea22c3033e5da6b96ba8d1dbe76f101b2ca6d0a21dd15be06e312d659b0
[INFO] running `Command { std: "docker" "start" "-a" "2fdcdea22c3033e5da6b96ba8d1dbe76f101b2ca6d0a21dd15be06e312d659b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling moddef v0.3.0
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling slice_trait v0.2.1
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/into_boxed_slice.rs:7:27
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait IntoBoxedSlice: ~const AsSlice + Sized
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this trait is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/into_boxed_slice.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / pub trait IntoBoxedSlice: ~const AsSlice + Sized
[INFO] [stdout]  8 | | {
[INFO] [stdout]  9 | |     /// Yields boxed slice from generic
[INFO] [stdout] 10 | |     fn into_boxed_slice(self) -> Box<[Self::Elem]>;
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/slice.rs:5:74
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Slice: private::Slice + SlicePrereq<<Self as AsSlice>::Elem> + ~const AsSlice
[INFO] [stdout]   |                                                                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: this trait is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/slice.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / pub trait Slice: private::Slice + SlicePrereq<<Self as AsSlice>::Elem> + ~const AsSlice
[INFO] [stdout] ... |
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/boxed_slice.rs:7:89
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait BoxedSlice: private::BoxedSlice + BoxedSlicePrereq<<Self as AsSlice>::Elem> + ~const IntoBoxedSlice
[INFO] [stdout]    |                                                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: this trait is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/boxed_slice.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / pub trait BoxedSlice: private::BoxedSlice + BoxedSlicePrereq<<Self as AsSlice>::Elem> + ~const IntoBoxedSlice
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[const_trait]
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/into_boxed_slice.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[const_trait]
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/slice.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[const_trait]
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/boxed_slice.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[const_trait]
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: relaxed bounds are not permitted in trait alias bounds
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/prereq.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait SlicePrereq<T> = ?Sized
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: trait aliases are not implicitly bounded by `Sized`, so there is nothing to relax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `AsSlice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> const AsSlice for [T]
[INFO] [stdout]    |               ^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `AsSlice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T, const N: usize> const AsSlice for [T; N]
[INFO] [stdout]    |                               ^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `AsSlice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<T, A> const AsSlice for alloc::vec::Vec<T, A>
[INFO] [stdout]    |                  ^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `AsSlice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl<T, A> const AsSlice for alloc::boxed::Box<T, A>
[INFO] [stdout]    |                  ^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     T: ~const AsSlice + ?Sized
[INFO] [stdout]    |        ^^^^^^ can't be applied to `as_slice::AsSlice`
[INFO] [stdout]    |
[INFO] [stdout] note: `as_slice::AsSlice` can't be used with `[const]` because it isn't `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait AsSlice
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/into_boxed_slice.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait IntoBoxedSlice: ~const AsSlice + Sized
[INFO] [stdout]   |                           ^^^^^^ can't be applied to `as_slice::AsSlice`
[INFO] [stdout]   |
[INFO] [stdout] note: `as_slice::AsSlice` can't be used with `[const]` because it isn't `const`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AsSlice
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `IntoBoxedSlice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/into_boxed_slice.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T> const IntoBoxedSlice for Box<[T]>
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/slice.rs:5:74
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Slice: private::Slice + SlicePrereq<<Self as AsSlice>::Elem> + ~const AsSlice
[INFO] [stdout]   |                                                                          ^^^^^^ can't be applied to `as_slice::AsSlice`
[INFO] [stdout]   |
[INFO] [stdout] note: `as_slice::AsSlice` can't be used with `[const]` because it isn't `const`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AsSlice
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Slice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/slice.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> const Slice for [T]
[INFO] [stdout]    |               ^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/boxed_slice.rs:7:89
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait BoxedSlice: private::BoxedSlice + BoxedSlicePrereq<<Self as AsSlice>::Elem> + ~const IntoBoxedSlice
[INFO] [stdout]   |                                                                                         ^^^^^^ can't be applied to `into_boxed_slice::IntoBoxedSlice`
[INFO] [stdout]   |
[INFO] [stdout] note: `into_boxed_slice::IntoBoxedSlice` can't be used with `[const]` because it isn't `const`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/into_boxed_slice.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait IntoBoxedSlice: ~const AsSlice + Sized
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `BoxedSlice` which is not `const`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/boxed_slice.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> const BoxedSlice for Box<[T]>
[INFO] [stdout]    |               ^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<T as as_slice::AsSlice>::as_slice` in constant functions
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |         (**self).as_slice()
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: method `as_slice` is not const because trait `AsSlice` is not const
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait AsSlice
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  8 |     fn as_slice(&self) -> &[Self::Elem];
[INFO] [stdout]    |     ------------------------------------ this method is not const
[INFO] [stdout]    = help: const traits are not yet supported on stable Rust
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<T as as_slice::AsSlice>::as_mut_slice` in constant functions
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (**self).as_mut_slice()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: method `as_mut_slice` is not const because trait `AsSlice` is not const
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.1/src/as_slice.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait AsSlice
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn as_mut_slice(&mut self) -> &mut [Self::Elem];
[INFO] [stdout]    |     ------------------------------------------------ this method is not const
[INFO] [stdout]    = help: const traits are not yet supported on stable Rust
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice_trait` (lib) due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2fdcdea22c3033e5da6b96ba8d1dbe76f101b2ca6d0a21dd15be06e312d659b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fdcdea22c3033e5da6b96ba8d1dbe76f101b2ca6d0a21dd15be06e312d659b0", kill_on_drop: false }`
[INFO] [stdout] 2fdcdea22c3033e5da6b96ba8d1dbe76f101b2ca6d0a21dd15be06e312d659b0
