[INFO] fetching crate proptest-arbitrary-interop 0.1.0...
[INFO] testing proptest-arbitrary-interop-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate proptest-arbitrary-interop 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate proptest-arbitrary-interop 0.1.0
[INFO] finished tweaking crates.io crate proptest-arbitrary-interop 0.1.0
[INFO] tweaked toml for crates.io crate proptest-arbitrary-interop 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proptest-arbitrary-interop 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a
[INFO] running `Command { std: "docker" "start" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.10.1
[INFO] [stderr]    Compiling arbitrary v1.5.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rand v0.10.3
[INFO] [stderr]    Compiling bit-set v0.11.1
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v1.12.0
[INFO] [stderr]    Compiling proptest-arbitrary-interop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `proptest::prelude::RngCore`: use `Rng` instead
[INFO] [stdout]   --> src/lib.rs:79:24
[INFO] [stdout]    |
[INFO] [stdout] 79 | use proptest::prelude::RngCore;
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fill_bytes` found for mutable reference `&mut TestRng` in the current scope
[INFO] [stdout]    --> src/lib.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 |         runner.rng().fill_bytes(&mut bytes);
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `fill_bytes` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]  75 + use proptest::prelude::Rng;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `try_fill_bytes` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 174 |         runner.rng().try_fill_bytes(&mut bytes);
[INFO] [stdout]     |                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proptest::prelude::RngCore`
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | use proptest::prelude::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proptest-arbitrary-interop` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a", kill_on_drop: false }`
[INFO] [stdout] 46e4991b26b22b504d12d0803fa085a9d7531297678acc9fa9394c7bc8d41b5a
