[INFO] fetching crate ronkathon 0.1.0...
[INFO] testing ronkathon-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ronkathon 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ronkathon 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ronkathon 0.1.0
[INFO] tweaked toml for crates.io crate ronkathon 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ronkathon 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ronkathon 0.1.0 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc5c4d5b3b25de14111e02be5d8b6aac7cb1cf67cff9b4060e03e4557315a1f3
[INFO] running `Command { std: "docker" "start" "-a" "fc5c4d5b3b25de14111e02be5d8b6aac7cb1cf67cff9b4060e03e4557315a1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5c4d5b3b25de14111e02be5d8b6aac7cb1cf67cff9b4060e03e4557315a1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5c4d5b3b25de14111e02be5d8b6aac7cb1cf67cff9b4060e03e4557315a1f3", kill_on_drop: false }`
[INFO] [stdout] fc5c4d5b3b25de14111e02be5d8b6aac7cb1cf67cff9b4060e03e4557315a1f3
[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=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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78d5c4438e23797ff1fe3d0bb75a30559b80152074bc64aa52045b3f5310a71
[INFO] running `Command { std: "docker" "start" "-a" "d78d5c4438e23797ff1fe3d0bb75a30559b80152074bc64aa52045b3f5310a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ronkathon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(effects)]
[INFO] [stdout]    |            ^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.84.0; see <https://github.com/rust-lang/rust/pull/132479> for more information
[INFO] [stdout]    = note: removed, redundant with `#![feature(const_trait_impl)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]   --> src/algebra/field/extension/mod.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[const_trait]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]   --> src/algebra/field/mod.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[const_trait]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> src/algebra/group/mod.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[const_trait]
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]   --> src/algebra/group/mod.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[const_trait]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> src/algebra/mod.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[const_trait]
[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:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(effects)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(const_mut_refs)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(const_option)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Finite` which is not `const`
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl<const P: usize> const Finite for PrimeField<P> {
[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 `Field` which is not `const`
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:142:28
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl<const P: usize> const Field for PrimeField<P> {
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |     Some(self.pow(Self::ORDER - 2))
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:164:23
[INFO] [stdout]     |
[INFO] [stdout] 164 |       Self::new((self.pow(power / 2).value * self.pow(power / 2).value) % Self::ORDER)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:164:51
[INFO] [stdout]     |
[INFO] [stdout] 164 |       Self::new((self.pow(power / 2).value * self.pow(power / 2).value) % Self::ORDER)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |       Self::new((self.pow(power / 2).value * self.pow(power / 2).value * self.value) % Self::ORDER)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:166:51
[INFO] [stdout]     |
[INFO] [stdout] 166 |       Self::new((self.pow(power / 2).value * self.pow(power / 2).value * self.value) % Self::ORDER)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |       if PrimeField::<P>::new(i).pow((P - 1) / i).value != PrimeField::<P>::ONE.value {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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 `<algebra::field::prime::PrimeField<P> as algebra::field::Field>::pow` in constant functions
[INFO] [stdout]    --> src/algebra/field/prime/mod.rs:200:49
[INFO] [stdout]     |
[INFO] [stdout] 200 |       } else if PrimeField::<P>::new(P + 1 - i).pow(i).value != PrimeField::<P>::ONE.value {
[INFO] [stdout]     |                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: method `pow` is not const because trait `Field` is not const
[INFO] [stdout]    --> src/algebra/field/mod.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 | / pub trait Field:
[INFO] [stdout]  19 | |   std::fmt::Debug
[INFO] [stdout]  20 | |   + From<usize>
[INFO] [stdout]  21 | |   + Default
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |   + Hash
[INFO] [stdout]  40 | |   + 'static {
[INFO] [stdout]     | |___________^ this trait is not const
[INFO] [stdout] ...
[INFO] [stdout]  50 |     fn pow(self, power: usize) -> Self;
[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, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ronkathon` (lib) due to 16 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d78d5c4438e23797ff1fe3d0bb75a30559b80152074bc64aa52045b3f5310a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78d5c4438e23797ff1fe3d0bb75a30559b80152074bc64aa52045b3f5310a71", kill_on_drop: false }`
[INFO] [stdout] d78d5c4438e23797ff1fe3d0bb75a30559b80152074bc64aa52045b3f5310a71
