[INFO] fetching crate bolero-engine 0.10.0...
[INFO] checking bolero-engine-0.10.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bolero-engine 0.10.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bolero-engine 0.10.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-engine 0.10.0
[INFO] finished tweaking crates.io crate bolero-engine 0.10.0
[INFO] tweaked toml for crates.io crate bolero-engine 0.10.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-hex v0.3.0
[INFO] [stderr]   Downloaded bolero-generator-derive v0.10.0
[INFO] [stderr]   Downloaded bolero-generator v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af70cbaab9c896d3968cf0d06a7da71700cce68eb93e89ff4fe82558fdf21b8b
[INFO] running `Command { std: "docker" "start" "-a" "af70cbaab9c896d3968cf0d06a7da71700cce68eb93e89ff4fe82558fdf21b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af70cbaab9c896d3968cf0d06a7da71700cce68eb93e89ff4fe82558fdf21b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af70cbaab9c896d3968cf0d06a7da71700cce68eb93e89ff4fe82558fdf21b8b", kill_on_drop: false }`
[INFO] [stdout] af70cbaab9c896d3968cf0d06a7da71700cce68eb93e89ff4fe82558fdf21b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7973a3331d9597d532c816e19808d7c1c3d5154bb39507c523fce10f2e918b21
[INFO] running `Command { std: "docker" "start" "-a" "7973a3331d9597d532c816e19808d7c1c3d5154bb39507c523fce10f2e918b21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking pretty-hex v0.3.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling bolero-generator-derive v0.10.0
[INFO] [stderr]     Checking bolero-generator v0.10.2
[INFO] [stderr]     Checking bolero-engine v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Vec<u32>: TypeGenerator` is not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:41:11
[INFO] [stdout]     |
[INFO] [stdout] 41  |     gen::<Vec<u32>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |           ^^^^^^^^ the trait `TypeGenerator` is not implemented for `Vec<u32>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `TypeGenerator`:
[INFO] [stdout]               bool
[INFO] [stdout]               char
[INFO] [stdout]               isize
[INFO] [stdout]               i8
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i128
[INFO] [stdout]             and 75 others
[INFO] [stdout] note: required by a bound in `bolero_generator::gen`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub fn gen<T: TypeGenerator>() -> TypeValueGenerator<T> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^ required by this bound in `gen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `filter_gen` exists for struct `TypeValueGenerator<Vec<u32>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:41:23
[INFO] [stdout]     |
[INFO] [stdout] 41  |     gen::<Vec<u32>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |                       ^^^^^^^^^^ method cannot be called on `TypeValueGenerator<Vec<u32>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct TypeValueGenerator<T: TypeGenerator>(PhantomData<T>);
[INFO] [stdout]     | ----------------------------------------------- doesn't satisfy `TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Vec<u32>: TypeGenerator`
[INFO] [stdout]             which is required by `TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout]             `TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout]             which is required by `&TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<u32>: TypeGenerator` is not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:41:5
[INFO] [stdout]     |
[INFO] [stdout] 41  |     gen::<Vec<u32>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^ the trait `TypeGenerator` is not implemented for `Vec<u32>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `TypeGenerator`:
[INFO] [stdout]               bool
[INFO] [stdout]               char
[INFO] [stdout]               isize
[INFO] [stdout]               i8
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i128
[INFO] [stdout]             and 75 others
[INFO] [stdout] note: required by a bound in `TypeValueGenerator`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:144:34
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct TypeValueGenerator<T: TypeGenerator>(PhantomData<T>);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ required by this bound in `TypeValueGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<u32>: TypeGenerator` is not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:53:11
[INFO] [stdout]     |
[INFO] [stdout] 53  |     gen::<Vec<u32>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |           ^^^^^^^^ the trait `TypeGenerator` is not implemented for `Vec<u32>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `TypeGenerator`:
[INFO] [stdout]               bool
[INFO] [stdout]               char
[INFO] [stdout]               isize
[INFO] [stdout]               i8
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i128
[INFO] [stdout]             and 75 others
[INFO] [stdout] note: required by a bound in `bolero_generator::gen`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub fn gen<T: TypeGenerator>() -> TypeValueGenerator<T> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^ required by this bound in `gen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `filter_gen` exists for struct `TypeValueGenerator<Vec<u32>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:53:23
[INFO] [stdout]     |
[INFO] [stdout] 53  |     gen::<Vec<u32>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |                       ^^^^^^^^^^ method cannot be called on `TypeValueGenerator<Vec<u32>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct TypeValueGenerator<T: TypeGenerator>(PhantomData<T>);
[INFO] [stdout]     | ----------------------------------------------- doesn't satisfy `TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Vec<u32>: TypeGenerator`
[INFO] [stdout]             which is required by `TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout]             `TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout]             which is required by `&TypeValueGenerator<Vec<u32>>: ValueGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<u32>: TypeGenerator` is not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:53:5
[INFO] [stdout]     |
[INFO] [stdout] 53  |     gen::<Vec<u32>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^ the trait `TypeGenerator` is not implemented for `Vec<u32>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `TypeGenerator`:
[INFO] [stdout]               bool
[INFO] [stdout]               char
[INFO] [stdout]               isize
[INFO] [stdout]               i8
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i128
[INFO] [stdout]             and 75 others
[INFO] [stdout] note: required by a bound in `TypeValueGenerator`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:144:34
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct TypeValueGenerator<T: TypeGenerator>(PhantomData<T>);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ required by this bound in `TypeValueGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<u8>: TypeGenerator` is not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:64:11
[INFO] [stdout]     |
[INFO] [stdout] 64  |     gen::<Vec<u8>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |           ^^^^^^^ the trait `TypeGenerator` is not implemented for `Vec<u8>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `TypeGenerator`:
[INFO] [stdout]               bool
[INFO] [stdout]               char
[INFO] [stdout]               isize
[INFO] [stdout]               i8
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i128
[INFO] [stdout]             and 75 others
[INFO] [stdout] note: required by a bound in `bolero_generator::gen`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub fn gen<T: TypeGenerator>() -> TypeValueGenerator<T> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^ required by this bound in `gen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `filter_gen` exists for struct `TypeValueGenerator<Vec<u8>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:64:22
[INFO] [stdout]     |
[INFO] [stdout] 64  |     gen::<Vec<u8>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |                      ^^^^^^^^^^ method cannot be called on `TypeValueGenerator<Vec<u8>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct TypeValueGenerator<T: TypeGenerator>(PhantomData<T>);
[INFO] [stdout]     | ----------------------------------------------- doesn't satisfy `TypeValueGenerator<Vec<u8>>: ValueGenerator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Vec<u8>: TypeGenerator`
[INFO] [stdout]             which is required by `TypeValueGenerator<Vec<u8>>: ValueGenerator`
[INFO] [stdout]             `TypeValueGenerator<Vec<u8>>: ValueGenerator`
[INFO] [stdout]             which is required by `&TypeValueGenerator<Vec<u8>>: ValueGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<u8>: TypeGenerator` is not satisfied
[INFO] [stdout]    --> src/shrink/tests.rs:64:5
[INFO] [stdout]     |
[INFO] [stdout] 64  |     gen::<Vec<u8>>().filter_gen(|vec| vec.len() >= 3),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ the trait `TypeGenerator` is not implemented for `Vec<u8>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `TypeGenerator`:
[INFO] [stdout]               bool
[INFO] [stdout]               char
[INFO] [stdout]               isize
[INFO] [stdout]               i8
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i128
[INFO] [stdout]             and 75 others
[INFO] [stdout] note: required by a bound in `TypeValueGenerator`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bolero-generator-0.10.2/src/lib.rs:144:34
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct TypeValueGenerator<T: TypeGenerator>(PhantomData<T>);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ required by this bound in `TypeValueGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[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 `bolero-engine` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "7973a3331d9597d532c816e19808d7c1c3d5154bb39507c523fce10f2e918b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7973a3331d9597d532c816e19808d7c1c3d5154bb39507c523fce10f2e918b21", kill_on_drop: false }`
[INFO] [stdout] 7973a3331d9597d532c816e19808d7c1c3d5154bb39507c523fce10f2e918b21
