[INFO] fetching crate dark-integers 0.0.1...
[INFO] testing dark-integers-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dark-integers 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dark-integers 0.0.1
[INFO] finished tweaking crates.io crate dark-integers 0.0.1
[INFO] tweaked toml for crates.io crate dark-integers 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dark-integers 0.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef4c676e9e60a2d2c7835022e8fd3d5fc6e63e627d51c08c8bb5cbd7366d72ec
[INFO] running `Command { std: "docker" "start" "-a" "ef4c676e9e60a2d2c7835022e8fd3d5fc6e63e627d51c08c8bb5cbd7366d72ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4c676e9e60a2d2c7835022e8fd3d5fc6e63e627d51c08c8bb5cbd7366d72ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4c676e9e60a2d2c7835022e8fd3d5fc6e63e627d51c08c8bb5cbd7366d72ec", kill_on_drop: false }`
[INFO] [stdout] ef4c676e9e60a2d2c7835022e8fd3d5fc6e63e627d51c08c8bb5cbd7366d72ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5ff68e03a4e7550efb781f3b37d4a1b34331556f9fed486fdfbc6fbed36a298
[INFO] running `Command { std: "docker" "start" "-a" "e5ff68e03a4e7550efb781f3b37d4a1b34331556f9fed486fdfbc6fbed36a298", kill_on_drop: false }`
[INFO] [stderr]    Compiling dark-integers v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[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:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[INFO] [stdout]   = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/mluint.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn from_be_bytes(bytes: [u8; N * T::SIZE]) -> Self {
[INFO] [stdout]    |                                      ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments here, i.e. `N`
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/mluint.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn from_be_bytes(bytes: [u8; N * T::SIZE]) -> Self {
[INFO] [stdout]    |                                          ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/mluint.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn to_be_bytes(self) -> [u8; N * T::SIZE] {
[INFO] [stdout]    |                                      ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments here, i.e. `N`
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/mluint.rs:36:42
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn to_be_bytes(self) -> [u8; N * T::SIZE] {
[INFO] [stdout]    |                                          ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/mluint.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut res = [0u8; N * T::SIZE];
[INFO] [stdout]    |                             ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments here, i.e. `N`
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/utils.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn to_bytes(self) -> [u8; Self::SIZE];
[INFO] [stdout]    |                               ^^^^ cannot perform const operation using `Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/utils.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_bytes(bytes: &[u8; Self::SIZE]) -> Self;
[INFO] [stdout]    |                                ^^^^ cannot perform const operation using `Self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]   --> src/mluint.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let mut limb_bytes = [0u8; T::SIZE];
[INFO] [stdout]    |                                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/mluint.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T: LimbType, const N: usize> MLUInt<T, N> {
[INFO] [stdout]    |      - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 37 |         let mut res = [0u8; N * T::SIZE];
[INFO] [stdout]    |                                 ^^^^^^^ expected type parameter `T`, found `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                         found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dark-integers` (lib) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "e5ff68e03a4e7550efb781f3b37d4a1b34331556f9fed486fdfbc6fbed36a298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ff68e03a4e7550efb781f3b37d4a1b34331556f9fed486fdfbc6fbed36a298", kill_on_drop: false }`
[INFO] [stdout] e5ff68e03a4e7550efb781f3b37d4a1b34331556f9fed486fdfbc6fbed36a298
