[INFO] fetching crate pire-base 0.1.0...
[INFO] testing pire-base-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pire-base 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pire-base 0.1.0
[INFO] finished tweaking crates.io crate pire-base 0.1.0
[INFO] tweaked toml for crates.io crate pire-base 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pire-base 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 26d60e365ab5999429b6add43c3a024a0250953b95644ad8958c1cd139ffefdd
[INFO] running `Command { std: "docker" "start" "-a" "26d60e365ab5999429b6add43c3a024a0250953b95644ad8958c1cd139ffefdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d60e365ab5999429b6add43c3a024a0250953b95644ad8958c1cd139ffefdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d60e365ab5999429b6add43c3a024a0250953b95644ad8958c1cd139ffefdd", kill_on_drop: false }`
[INFO] [stdout] 26d60e365ab5999429b6add43c3a024a0250953b95644ad8958c1cd139ffefdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 86a2220c29a2e6ec83b203ae8ae12fbe126a62c15963302d826609603ec7c9db
[INFO] running `Command { std: "docker" "start" "-a" "86a2220c29a2e6ec83b203ae8ae12fbe126a62c15963302d826609603ec7c9db", kill_on_drop: false }`
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling pire-base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/range_rwlock.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { (*self.data.get()).len() }
[INFO] [stdout]     |                  ^^---------------^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this raw pointer has type `*mut &mut [T]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[T]`
[INFO] [stdout]    --> src/range_rwlock.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { (*self.data.get()).len() }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { (&(*self.data.get())).len() }
[INFO] [stdout]     |                  ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "86a2220c29a2e6ec83b203ae8ae12fbe126a62c15963302d826609603ec7c9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a2220c29a2e6ec83b203ae8ae12fbe126a62c15963302d826609603ec7c9db", kill_on_drop: false }`
[INFO] [stdout] 86a2220c29a2e6ec83b203ae8ae12fbe126a62c15963302d826609603ec7c9db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d19bd436084bf32ab30d09939f679065e11e087d807b0d59057f301b9e5366a
[INFO] running `Command { std: "docker" "start" "-a" "0d19bd436084bf32ab30d09939f679065e11e087d807b0d59057f301b9e5366a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/range_rwlock.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { (*self.data.get()).len() }
[INFO] [stdout]     |                  ^^---------------^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this raw pointer has type `*mut &mut [T]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[T]`
[INFO] [stdout]    --> src/range_rwlock.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { (*self.data.get()).len() }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 112 |         unsafe { (&(*self.data.get())).len() }
[INFO] [stdout]     |                  ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling pire-dev v0.1.0
[INFO] [stdout] error[E0277]: the trait bound `half::f16: SampleUniform` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pire-dev-0.1.0/src/lib.rs:704:14
[INFO] [stdout]     |
[INFO] [stdout] 704 |     type X = f16;
[INFO] [stdout]     |              ^^^ the trait `SampleUniform` is not implemented for `half::f16`
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `rand` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/distributions/uniform.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub trait SampleUniform: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.9.4/src/distr/uniform.rs:268:1
[INFO] [stdout]     |
[INFO] [stdout] 268 | pub trait SampleUniform: Sized {
[INFO] [stdout]     | ------------------------------ this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = help: the following other types implement trait `SampleUniform`:
[INFO] [stdout]               Duration
[INFO] [stdout]               char
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout]               i128
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]             and 8 others
[INFO] [stdout] note: required by a bound in `Bound::X`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pire-dev-0.1.0/src/lib.rs:616:13
[INFO] [stdout]     |
[INFO] [stdout] 616 |     type X: rand::distributions::uniform::SampleUniform;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Bound::X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `half::f16: SampleUniform` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pire-dev-0.1.0/src/lib.rs:711:5
[INFO] [stdout]     |
[INFO] [stdout] 711 |     fn my_sample(dist: &Uniform<Self>, rng: &mut StdRng) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `SampleUniform` is not implemented for `half::f16`
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `rand` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/distributions/uniform.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub trait SampleUniform: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.9.4/src/distr/uniform.rs:268:1
[INFO] [stdout]     |
[INFO] [stdout] 268 | pub trait SampleUniform: Sized {
[INFO] [stdout]     | ------------------------------ this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = help: the following other types implement trait `SampleUniform`:
[INFO] [stdout]               Duration
[INFO] [stdout]               char
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout]               i128
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]             and 8 others
[INFO] [stdout] note: required by a bound in `Uniform`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/distributions/uniform.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Uniform<X: SampleUniform>(X::Sampler);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ required by this bound in `Uniform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `half::f16: SampleUniform` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pire-dev-0.1.0/src/lib.rs:711:25
[INFO] [stdout]     |
[INFO] [stdout] 711 |     fn my_sample(dist: &Uniform<Self>, rng: &mut StdRng) -> Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ the trait `SampleUniform` is not implemented for `half::f16`
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `rand` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/distributions/uniform.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub trait SampleUniform: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this is the expected trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.9.4/src/distr/uniform.rs:268:1
[INFO] [stdout]     |
[INFO] [stdout] 268 | pub trait SampleUniform: Sized {
[INFO] [stdout]     | ------------------------------ this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = help: the following other types implement trait `SampleUniform`:
[INFO] [stdout]               Duration
[INFO] [stdout]               char
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout]               i128
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]             and 8 others
[INFO] [stdout] note: required by a bound in `Uniform`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/distributions/uniform.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Uniform<X: SampleUniform>(X::Sampler);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ required by this bound in `Uniform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `sample` exists for reference `&Uniform<half::f16>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pire-dev-0.1.0/src/lib.rs:712:14
[INFO] [stdout]     |
[INFO] [stdout] 712 |         dist.sample(rng)
[INFO] [stdout]     |              ^^^^^^ method cannot be called on `&Uniform<half::f16>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/distributions/uniform.rs:177:1
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Uniform<X: SampleUniform>(X::Sampler);
[INFO] [stdout]     | ------------------------------------ doesn't satisfy 6 bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/half-2.7.1/src/binary16.rs:46:1
[INFO] [stdout]     |
[INFO] [stdout]  46 | pub struct f16(u16);
[INFO] [stdout]     | -------------- doesn't satisfy `half::f16: SampleUniform`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `half::f16: SampleUniform`
[INFO] [stdout]             which is required by `Uniform<half::f16>: rand::distributions::Distribution<half::f16>`
[INFO] [stdout]             `Uniform<half::f16>: Sized`
[INFO] [stdout]             which is required by `&Uniform<half::f16>: rand::distributions::Distribution<_>`
[INFO] [stdout]             `Uniform<half::f16>: rand::distributions::Distribution<_>`
[INFO] [stdout]             which is required by `&Uniform<half::f16>: rand::distributions::Distribution<_>`
[INFO] [stdout]             `&Uniform<half::f16>: RngCore`
[INFO] [stdout]             which is required by `&Uniform<half::f16>: Rng`
[INFO] [stdout]             `Uniform<half::f16>: MetaSized`
[INFO] [stdout]             which is required by `Uniform<half::f16>: Rng`
[INFO] [stdout]             `Uniform<half::f16>: RngCore`
[INFO] [stdout]             which is required by `Uniform<half::f16>: Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pire-dev` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d19bd436084bf32ab30d09939f679065e11e087d807b0d59057f301b9e5366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d19bd436084bf32ab30d09939f679065e11e087d807b0d59057f301b9e5366a", kill_on_drop: false }`
[INFO] [stdout] 0d19bd436084bf32ab30d09939f679065e11e087d807b0d59057f301b9e5366a
