[INFO] fetching crate frost-ristretto255 3.0.0...
[INFO] checking frost-ristretto255-3.0.0 against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] extracting crate frost-ristretto255 3.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate frost-ristretto255 3.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate frost-ristretto255 3.0.0
[INFO] tweaked toml for crates.io crate frost-ristretto255 3.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate frost-ristretto255 3.0.0 on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate frost-ristretto255 3.0.0 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c807f5d325651f2afc8a170a9aa2b56467de49e628e8f25686e7a9cb4a51d8
[INFO] running `Command { std: "docker" "start" "-a" "33c807f5d325651f2afc8a170a9aa2b56467de49e628e8f25686e7a9cb4a51d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c807f5d325651f2afc8a170a9aa2b56467de49e628e8f25686e7a9cb4a51d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c807f5d325651f2afc8a170a9aa2b56467de49e628e8f25686e7a9cb4a51d8", kill_on_drop: false }`
[INFO] [stdout] 33c807f5d325651f2afc8a170a9aa2b56467de49e628e8f25686e7a9cb4a51d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d33404ba7f718f865b5334f16ddc5813d88dc016b991fe7be767f6f00b0d01
[INFO] running `Command { std: "docker" "start" "-a" "d4d33404ba7f718f865b5334f16ddc5813d88dc016b991fe7be767f6f00b0d01", kill_on_drop: false }`
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[INFO] [stderr]     Checking frost-core v3.0.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/frost-core-3.0.0/src/tests/vectors.rs:317:46
[INFO] [stdout]     |
[INFO] [stdout] 317 |         group_signature.serialize().unwrap().as_ref(),
[INFO] [stdout]     |                                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `alloc::vec::Vec<u8>: AsRef<_>` found in the `alloc` crate:
[INFO] [stdout]             - impl<T, A> AsRef<[T]> for alloc::vec::Vec<T, A>
[INFO] [stdout]               where A: Allocator;
[INFO] [stdout]             - impl<T, A> AsRef<alloc::vec::Vec<T, A>> for alloc::vec::Vec<T, A>
[INFO] [stdout]               where A: Allocator;
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 317 -         group_signature.serialize().unwrap().as_ref(),
[INFO] [stdout] 317 +         <alloc::vec::Vec<u8> as AsRef<T>>::as_ref(&group_signature.serialize().unwrap()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `frost-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d4d33404ba7f718f865b5334f16ddc5813d88dc016b991fe7be767f6f00b0d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d33404ba7f718f865b5334f16ddc5813d88dc016b991fe7be767f6f00b0d01", kill_on_drop: false }`
[INFO] [stdout] d4d33404ba7f718f865b5334f16ddc5813d88dc016b991fe7be767f6f00b0d01
