[INFO] fetching crate idealist 0.1.1...
[INFO] testing idealist-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate idealist 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate idealist 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idealist 0.1.1
[INFO] finished tweaking crates.io crate idealist 0.1.1
[INFO] tweaked toml for crates.io crate idealist 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef2a06d6ae1521f8ae399de4534fb2cde38b69d623a89298ca01c20a689aefe7
[INFO] running `Command { std: "docker" "start" "-a" "ef2a06d6ae1521f8ae399de4534fb2cde38b69d623a89298ca01c20a689aefe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2a06d6ae1521f8ae399de4534fb2cde38b69d623a89298ca01c20a689aefe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2a06d6ae1521f8ae399de4534fb2cde38b69d623a89298ca01c20a689aefe7", kill_on_drop: false }`
[INFO] [stdout] ef2a06d6ae1521f8ae399de4534fb2cde38b69d623a89298ca01c20a689aefe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6967ff569bf6c81f8dc2c6073ece26e92dd5f9384dc2305a73f2eec4b39d30de
[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" "6967ff569bf6c81f8dc2c6073ece26e92dd5f9384dc2305a73f2eec4b39d30de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling idealist v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_generics, const_evaluatable_checked, generic_associated_types, never_type, const_fn, const_trait_impl, arbitrary_self_ty...
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_generics, const_evaluatable_checked, generic_associated_types, never_type, const_fn, const_trait_impl, arbitrary_self_ty...
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:93
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_generics, const_evaluatable_checked, generic_associated_types, never_type, const_fn, const_trait_impl, arbitrary_self_ty...
[INFO] [stdout]   |                                                                                             ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:34:84
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct IdealArray<T, const N: NonZeroUsize>(pub(crate) [T; N.get()]) where [T; N.get()]: Sized;
[INFO] [stdout]    |                                                                                    ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:34:64
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct IdealArray<T, const N: NonZeroUsize>(pub(crate) [T; N.get()]) where [T; N.get()]: Sized;
[INFO] [stdout]    |                                                                ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:36:59
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<T, const N: NonZeroUsize> IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                           ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new(array: [T; N.get()]) -> Self {
[INFO] [stdout]    |                           ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get(self) -> [T; N.get()] {
[INFO] [stdout]    |                             ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_ref<'a>(&'a self) -> &'a [T; N.get()] {
[INFO] [stdout]    |                                             ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_mut<'a>(&'a mut self) -> &'a mut [T; N.get()] {
[INFO] [stdout]    |                                                     ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:54:74
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T, const N: NonZeroUsize> AsMut<[T]> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                          ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:61:84
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T, const N: NonZeroUsize> AsMut<IdealSlice<T>> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                                    ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl<T, const N: NonZeroUsize> AsRef<[T]> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                          ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:75:84
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl<T, const N: NonZeroUsize> AsRef<IdealSlice<T>> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                                    ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:82:75
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<T, const N: NonZeroUsize> Borrow<[T]> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                           ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:88:85
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl<T, const N: NonZeroUsize> Borrow<IdealSlice<T>> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                                     ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/array.rs:94:78
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl<T, const N: NonZeroUsize> BorrowMut<[T]> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]    |                                                                              ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:100:88
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl<T, const N: NonZeroUsize> BorrowMut<IdealSlice<T>> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                                        ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:107:76
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<T: Clone, const N: NonZeroUsize> Clone for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                            ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:113:74
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl<T: Copy, const N: NonZeroUsize> Copy for IdealArray<T, N> where [T; N.get()]: Sized {}
[INFO] [stdout]     |                                                                          ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:115:76
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl<T: Debug, const N: NonZeroUsize> Debug for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                            ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:122:69
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl<T, const N: NonZeroUsize> Deref for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                     ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:129:72
[INFO] [stdout]     |
[INFO] [stdout] 129 | impl<T, const N: NonZeroUsize> DerefMut for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                        ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:135:70
[INFO] [stdout]     |
[INFO] [stdout] 135 | impl<T: Eq, const N: NonZeroUsize> Eq for IdealArray<T, N> where [T; N.get()]: Sized {}
[INFO] [stdout]     |                                                                      ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:137:74
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<T: Hash, const N: NonZeroUsize> Hash for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                          ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:141:84
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl<'a, T, const N: NonZeroUsize> IntoIterator for &'a IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                                    ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:147:88
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl<'a, T, const N: NonZeroUsize> IntoIterator for &'a mut IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                                        ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:153:80
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl<'a, T: Ord, const N: NonZeroUsize> Ord for &'a IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                                ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:158:103
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl<'a, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<&'a [A]> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                       ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:166:107
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl<'a, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<&'a mut [A]> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                           ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:174:113
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'a, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<&'a IdealSlice<A>> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                                 ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:182:117
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl<'a, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<&'a mut IdealSlice<A>> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                                     ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:190:63
[INFO] [stdout]     |
[INFO] [stdout] 190 | impl<const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<[A; N.get()]> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                               ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:190:104
[INFO] [stdout]     |
[INFO] [stdout] 190 | impl<const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<[A; N.get()]> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                        ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn eq(&self, other: &[A; N.get()]) -> bool {self.0 == *other}
[INFO] [stdout]     |                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:195:27
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn ne(&self, other: &[A; N.get()]) -> bool {self.0 != *other}
[INFO] [stdout]     |                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:198:108
[INFO] [stdout]     |
[INFO] [stdout] 198 | impl<const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<IdealArray<A, N>> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                            ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:206:95
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl<const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<[A]> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                               ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:214:105
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl<const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<IdealSlice<A>> for IdealArray<B, N> where [B; N.get()]: Sized
[INFO] [stdout]     |                                                                                                         ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:222:62
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl<T: PartialOrd<T>, const N: NonZeroUsize> PartialOrd<[T; N.get()]> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:222:103
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl<T: PartialOrd<T>, const N: NonZeroUsize> PartialOrd<[T; N.get()]> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                                                       ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:224:36
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn partial_cmp(&self, other: &[T; N.get()]) -> Option<Ordering> {self.0.partial_cmp(other)}
[INFO] [stdout]     |                                       ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn lt(&self, other: &[T; N.get()]) -> bool {self.0.lt(other)}
[INFO] [stdout]     |                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn le(&self, other: &[T; N.get()]) -> bool {self.0.le(other)}
[INFO] [stdout]     |                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn ge(&self, other: &[T; N.get()]) -> bool {self.0.ge(other)}
[INFO] [stdout]     |                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:232:27
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn gt(&self, other: &[T; N.get()]) -> bool {self.0.gt(other)}
[INFO] [stdout]     |                              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:235:95
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl<T: PartialOrd<T>, const N: NonZeroUsize> PartialOrd<Self> for IdealArray<T, N> where [T; N.get()]: Sized {
[INFO] [stdout]     |                                                                                               ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:276:79
[INFO] [stdout]     |
[INFO] [stdout] 276 | impl<T, const N: NonZeroUsize> TryFrom<Vec<T>> for IdealArray<T, N> where [T; N.get()]: Sized, T: Copy {
[INFO] [stdout]     |                                                                               ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:279:8
[INFO] [stdout]     |
[INFO] [stdout] 279 |         <[T; N.get()] as TryFrom<Vec<T>>>::try_from(vec).map(|ok| Self(ok))
[INFO] [stdout]     |              ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/array.rs:283:84
[INFO] [stdout]     |
[INFO] [stdout] 283 | impl<T, const N: NonZeroUsize> TryFrom<IdealVec<T>> for IdealArray<T, N> where [T; N.get()]: Sized, T: Copy {
[INFO] [stdout]     |                                                                                    ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/slice.rs:229:105
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl<const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<IdealArray<A, N>> for IdealSlice<B> where [A; N.get()]: Sized {
[INFO] [stdout]     |                                                                                                         ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/slice.rs:243:113
[INFO] [stdout]     |
[INFO] [stdout] 243 | impl<'b, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<IdealArray<A, N>> for &'b IdealSlice<B> where [A; N.get()]: Sized {
[INFO] [stdout]     |                                                                                                                 ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/slice.rs:257:117
[INFO] [stdout]     |
[INFO] [stdout] 257 | impl<'b, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<IdealArray<A, N>> for &'b mut IdealSlice<B> where [A; N.get()]: Sized {
[INFO] [stdout]     |                                                                                                                     ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/vec.rs:195:81
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl<T, const N: NonZeroUsize> From<IdealArray<T, N>> for IdealVec<T> where [T; N.get()]: Sized{
[INFO] [stdout]     |                                                                                 ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/vec.rs:302:103
[INFO] [stdout]     |
[INFO] [stdout] 302 | impl<A, B: PartialEq<A>, const N: NonZeroUsize> PartialEq<IdealArray<A, N>> for IdealVec<B> where [B; N.get()]: Sized {
[INFO] [stdout]     |                                                                                                       ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_generics, const_evaluatable_checked, generic_associated_types, never_type, const_fn, const_trait_impl, arbitrary_self_types, const_option, toowned_clone_into, dropck_eyepatch, extend_one)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:143
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...ever_type, const_fn, const_trait_impl, arbitrary_self_types, const_option, toowned_clone_into, dropck_eyepatch, extend_one)]
[INFO] [stdout]   |                                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:157
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...fn, const_trait_impl, arbitrary_self_types, const_option, toowned_clone_into, dropck_eyepatch, extend_one)]
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:194
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...elf_types, const_option, toowned_clone_into, dropck_eyepatch, extend_one)]
[INFO] [stdout]   |                                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0204]: the trait `Copy` may not be implemented for this type
[INFO] [stdout]    --> src/array.rs:113:38
[INFO] [stdout]     |
[INFO] [stdout] 34  | pub struct IdealArray<T, const N: NonZeroUsize>(pub(crate) [T; N.get()]) where [T; N.get()]: Sized;
[INFO] [stdout]     |                                                 ----------------------- this field does not implement `Copy`
[INFO] [stdout] ...
[INFO] [stdout] 113 | impl<T: Copy, const N: NonZeroUsize> Copy for IdealArray<T, N> where [T; N.get()]: Sized {}
[INFO] [stdout]     |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 60 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0204, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0204`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idealist` due to 61 previous errors
[INFO] running `Command { std: "docker" "inspect" "6967ff569bf6c81f8dc2c6073ece26e92dd5f9384dc2305a73f2eec4b39d30de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6967ff569bf6c81f8dc2c6073ece26e92dd5f9384dc2305a73f2eec4b39d30de", kill_on_drop: false }`
[INFO] [stdout] 6967ff569bf6c81f8dc2c6073ece26e92dd5f9384dc2305a73f2eec4b39d30de