[INFO] fetching crate fliphash 0.1.0...
[INFO] checking fliphash-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate fliphash 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fliphash 0.1.0
[INFO] finished tweaking crates.io crate fliphash 0.1.0
[INFO] tweaked toml for crates.io crate fliphash 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fliphash 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding ordered-float v4.6.0 (available: v5.0.0)
[INFO] [stderr]       Adding proptest-derive v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding statrs v0.16.1 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e765a30d287c06e58a0fbbbb88ed976fdccced055719fcd8800359291bf4599c
[INFO] running `Command { std: "docker" "start" "-a" "e765a30d287c06e58a0fbbbb88ed976fdccced055719fcd8800359291bf4599c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e765a30d287c06e58a0fbbbb88ed976fdccced055719fcd8800359291bf4599c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e765a30d287c06e58a0fbbbb88ed976fdccced055719fcd8800359291bf4599c", kill_on_drop: false }`
[INFO] [stdout] e765a30d287c06e58a0fbbbb88ed976fdccced055719fcd8800359291bf4599c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdbc73a01189cdba60061c967cc9903c8f0238429b7247eeec2b1b7a789413fc
[INFO] running `Command { std: "docker" "start" "-a" "cdbc73a01189cdba60061c967cc9903c8f0238429b7247eeec2b1b7a789413fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
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[INFO] [stderr]     Checking fliphash v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] error[E0277]: the trait bound `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` is not satisfied
[INFO] [stdout]    --> src/lib.rs:345:22
[INFO] [stdout]     |
[INFO] [stdout] 345 |         fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> U64Key {
[INFO] [stdout]     |                      ^^^ the trait `DerefMut` is not implemented for `R`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] note: the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` appears on the `impl`'s method `sample` but not on the corresponding trait's method
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/distributions/distribution.rs:37:8
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub trait Distribution<T> {
[INFO] [stdout]     |           ------------ in this trait
[INFO] [stdout] 36  |     /// Generate a random value of `T`, using `rng` as the source of randomness.
[INFO] [stdout] 37  |     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> T;
[INFO] [stdout]     |        ^^^^^^ this trait's method doesn't have the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] help: consider further restricting type parameter `R` with trait `DerefMut`
[INFO] [stdout]     |
[INFO] [stdout] 345 |         fn sample<R: Rng + ?Sized + core::ops::DerefMut>(&self, rng: &mut R) -> U64Key {
[INFO] [stdout]     |                                   +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` is not satisfied
[INFO] [stdout]    --> src/lib.rs:345:22
[INFO] [stdout]     |
[INFO] [stdout] 345 |         fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> U64Key {
[INFO] [stdout]     |                   -  ^^^ the trait `Sized` is not implemented for `R`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this type parameter needs to be `Sized`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] note: the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` appears on the `impl`'s method `sample` but not on the corresponding trait's method
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/distributions/distribution.rs:37:8
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub trait Distribution<T> {
[INFO] [stdout]     |           ------------ in this trait
[INFO] [stdout] 36  |     /// Generate a random value of `T`, using `rng` as the source of randomness.
[INFO] [stdout] 37  |     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> T;
[INFO] [stdout]     |        ^^^^^^ this trait's method doesn't have the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized`
[INFO] [stdout]     |
[INFO] [stdout] 345 -         fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> U64Key {
[INFO] [stdout] 345 +         fn sample<R: Rng>(&self, rng: &mut R) -> U64Key {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` is not satisfied
[INFO] [stdout]    --> src/lib.rs:358:22
[INFO] [stdout]     |
[INFO] [stdout] 358 |         fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> Bytes {
[INFO] [stdout]     |                      ^^^ the trait `DerefMut` is not implemented for `R`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] note: the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` appears on the `impl`'s method `sample` but not on the corresponding trait's method
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/distributions/distribution.rs:37:8
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub trait Distribution<T> {
[INFO] [stdout]     |           ------------ in this trait
[INFO] [stdout] 36  |     /// Generate a random value of `T`, using `rng` as the source of randomness.
[INFO] [stdout] 37  |     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> T;
[INFO] [stdout]     |        ^^^^^^ this trait's method doesn't have the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] help: consider further restricting type parameter `R` with trait `DerefMut`
[INFO] [stdout]     |
[INFO] [stdout] 358 |         fn sample<R: Rng + ?Sized + core::ops::DerefMut>(&self, rng: &mut R) -> Bytes {
[INFO] [stdout]     |                                   +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` is not satisfied
[INFO] [stdout]    --> src/lib.rs:358:22
[INFO] [stdout]     |
[INFO] [stdout] 358 |         fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> Bytes {
[INFO] [stdout]     |                   -  ^^^ the trait `Sized` is not implemented for `R`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this type parameter needs to be `Sized`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = note: required for `R` to implement `_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] note: the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng` appears on the `impl`'s method `sample` but not on the corresponding trait's method
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/distributions/distribution.rs:37:8
[INFO] [stdout]     |
[INFO] [stdout] 35  | pub trait Distribution<T> {
[INFO] [stdout]     |           ------------ in this trait
[INFO] [stdout] 36  |     /// Generate a random value of `T`, using `rng` as the source of randomness.
[INFO] [stdout] 37  |     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> T;
[INFO] [stdout]     |        ^^^^^^ this trait's method doesn't have the requirement `R: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized`
[INFO] [stdout]     |
[INFO] [stdout] 358 -         fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> Bytes {
[INFO] [stdout] 358 +         fn sample<R: Rng>(&self, rng: &mut R) -> Bytes {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: rand::Rng` is not satisfied
[INFO] [stdout]    --> src/lib.rs:346:32
[INFO] [stdout]     |
[INFO] [stdout] 346 |             U64Key(self.sample(rng))
[INFO] [stdout]     |                         ------ ^^^ the trait `rand::RngCore` is not implemented for `R`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `R` to implement `rand::Rng`
[INFO] [stdout] note: required by a bound in `rand::distributions::Distribution::sample`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/distributions/distribution.rs:37:18
[INFO] [stdout]     |
[INFO] [stdout] 37  |     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> T;
[INFO] [stdout]     |                  ^^^ required by this bound in `Distribution::sample`
[INFO] [stdout] help: consider further restricting type parameter `R` with trait `RngCore`
[INFO] [stdout]     |
[INFO] [stdout] 345 |         fn sample<R: Rng + ?Sized + rand::RngCore>(&self, rng: &mut R) -> U64Key {
[INFO] [stdout]     |                                   +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tests::_IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lib.rs:362:41
[INFO] [stdout]     |
[INFO] [stdout] 362 |             let mut bytes = vec![0; rng.gen_range(SIZE_RANGE)];
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:515:27
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 seed: rng.gen::<S>(),
[INFO] [stdout]     |                           ^^^ method cannot be called on `ThreadRng` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:516:39
[INFO] [stdout]     |
[INFO] [stdout] 516 |                 range: ..=H::from(rng.gen_range(2..200)).unwrap(),
[INFO] [stdout]     |                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:517:33
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 num_hashes: rng.gen_range(100..10000),
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `next_u64` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:518:35
[INFO] [stdout]     |
[INFO] [stdout] 518 |                 key_rng_seed: rng.next_u64(),
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `ThreadRng: DerefMut`, `ThreadRng: Deref` or `_: RngCore`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: DerefMut`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             `ThreadRng: Deref`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `RngCore` which provides `next_u64` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::RngCore;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:521:97
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn regularity<K, S, H>(fliphash_with_seed: impl Fn(&K, S, RangeToInclusive<H>) -> H)
[INFO] [stdout]     |                         - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 521 |                 let mut num_occurrences = vec![0_u64; test_case.range.end.to_usize().unwrap() + 1];
[INFO] [stdout]     |                                                                                                 ^ expected type parameter `H`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `H`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `sample_iter` exists for struct `StdRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:523:22
[INFO] [stdout]     |
[INFO] [stdout] 522 | /                 StdRng::seed_from_u64(test_case.key_rng_seed)
[INFO] [stdout] 523 | |                     .sample_iter(Standard)
[INFO] [stdout]     | |_____________________-^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/std.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  |   pub struct StdRng(Rng);
[INFO] [stdout]     |   ----------------- doesn't satisfy `StdRng: rand::distributions::Distribution<_>`, `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]             `StdRng: rand::distributions::Distribution<_>`
[INFO] [stdout]             which is required by `&StdRng: rand::distributions::Distribution<_>`
[INFO] [stdout]             `&StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `&StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]             `&mut StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `&mut StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `sample_iter` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:586:58
[INFO] [stdout]     |
[INFO] [stdout] 586 |                 seeds: array::from_fn::<S, N, _>(|_| rng.gen()),
[INFO] [stdout]     |                                                          ^^^ method cannot be called on `ThreadRng` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:587:45
[INFO] [stdout]     |
[INFO] [stdout] 587 |                 range: ..=NumCast::from(rng.gen_range(5..20)).unwrap(),
[INFO] [stdout]     |                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:588:33
[INFO] [stdout]     |
[INFO] [stdout] 588 |                 num_hashes: rng.gen_range(100..10000),
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `next_u64` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:589:35
[INFO] [stdout]     |
[INFO] [stdout] 589 |                 key_rng_seed: rng.next_u64(),
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `ThreadRng: DerefMut`, `ThreadRng: Deref` or `_: RngCore`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: DerefMut`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             `ThreadRng: Deref`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `RngCore` which provides `next_u64` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::RngCore;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `sample_iter` exists for struct `StdRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:603:22
[INFO] [stdout]     |
[INFO] [stdout] 602 | /                 StdRng::seed_from_u64(test_case.key_rng_seed)
[INFO] [stdout] 603 | |                     .sample_iter(Standard)
[INFO] [stdout]     | |_____________________-^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/std.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  |   pub struct StdRng(Rng);
[INFO] [stdout]     |   ----------------- doesn't satisfy `StdRng: rand::distributions::Distribution<_>`, `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]             `StdRng: rand::distributions::Distribution<_>`
[INFO] [stdout]             which is required by `&StdRng: rand::distributions::Distribution<_>`
[INFO] [stdout]             `&StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `&StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]             `&mut StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `&mut StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `sample_iter` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:670:27
[INFO] [stdout]     |
[INFO] [stdout] 670 |                 seed: rng.gen(),
[INFO] [stdout]     |                           ^^^ method cannot be called on `ThreadRng` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:679:33
[INFO] [stdout]     |
[INFO] [stdout] 679 |                 num_hashes: rng.gen_range(100..10000),
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `next_u64` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:680:35
[INFO] [stdout]     |
[INFO] [stdout] 680 |                 key_rng_seed: rng.next_u64(),
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout] 62  | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `ThreadRng: DerefMut`, `ThreadRng: Deref` or `_: RngCore`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: DerefMut`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             `ThreadRng: Deref`
[INFO] [stdout]             which is required by `ThreadRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `RngCore` which provides `next_u64` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::RngCore;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `sample_iter` exists for struct `StdRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:707:22
[INFO] [stdout]     |
[INFO] [stdout] 706 | /                 StdRng::seed_from_u64(test_case.key_rng_seed)
[INFO] [stdout] 707 | |                     .sample_iter(Standard)
[INFO] [stdout]     | |_____________________-^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/std.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  |   pub struct StdRng(Rng);
[INFO] [stdout]     |   ----------------- doesn't satisfy `StdRng: rand::distributions::Distribution<_>`, `_: RngCore` or `_: Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]             `StdRng: rand::distributions::Distribution<_>`
[INFO] [stdout]             which is required by `&StdRng: rand::distributions::Distribution<_>`
[INFO] [stdout]             `&StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `&StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]             `&mut StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `&mut StdRng: _IMPL_ARBITRARY_FOR_U64Key::_proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `sample_iter` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 267 +     use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fliphash` (lib test) due to 20 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cdbc73a01189cdba60061c967cc9903c8f0238429b7247eeec2b1b7a789413fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbc73a01189cdba60061c967cc9903c8f0238429b7247eeec2b1b7a789413fc", kill_on_drop: false }`
[INFO] [stdout] cdbc73a01189cdba60061c967cc9903c8f0238429b7247eeec2b1b7a789413fc
