[INFO] fetching crate dusk-bls12_381-sign 0.6.0...
[INFO] checking dusk-bls12_381-sign-0.6.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate dusk-bls12_381-sign 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dusk-bls12_381-sign 0.6.0
[INFO] finished tweaking crates.io crate dusk-bls12_381-sign 0.6.0
[INFO] tweaked toml for crates.io crate dusk-bls12_381-sign 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dusk-bls12_381-sign 0.6.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding bytecheck v0.6.12 (available: v0.8.1)
[INFO] [stderr]       Adding dusk-bls12_381 v0.13.0 (available: v0.14.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] [stderr]       Adding rkyv v0.7.45 (available: v0.8.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53d55efd35ec9df3ff3e786d75ce596fabe84260afefe4032930bac84d0afc8f
[INFO] running `Command { std: "docker" "start" "-a" "53d55efd35ec9df3ff3e786d75ce596fabe84260afefe4032930bac84d0afc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d55efd35ec9df3ff3e786d75ce596fabe84260afefe4032930bac84d0afc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d55efd35ec9df3ff3e786d75ce596fabe84260afefe4032930bac84d0afc8f", kill_on_drop: false }`
[INFO] [stdout] 53d55efd35ec9df3ff3e786d75ce596fabe84260afefe4032930bac84d0afc8f
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6c73071b98d2375995fda0caa754feca5318081855b50bd969fd1345e6518ff
[INFO] running `Command { std: "docker" "start" "-a" "b6c73071b98d2375995fda0caa754feca5318081855b50bd969fd1345e6518ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking blake2b_simd v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]     Checking dusk-bytes v0.1.7
[INFO] [stderr]     Checking dusk-bls12_381 v0.13.0
[INFO] [stderr]     Checking dusk-bls12_381-sign v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand_core::OsRng`
[INFO] [stdout]   --> benches/signature_bench.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use rand_core::{OsRng, RngCore};
[INFO] [stdout]    |                     ^^^^^ no `OsRng` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/src/lib.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[cfg(feature = "getrandom")] pub use os::OsRng;
[INFO] [stdout]    |       ---------------------               ^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       the item is gated behind the `getrandom` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dusk-bls12_381-sign` (bench "signature_bench") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b6c73071b98d2375995fda0caa754feca5318081855b50bd969fd1345e6518ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c73071b98d2375995fda0caa754feca5318081855b50bd969fd1345e6518ff", kill_on_drop: false }`
[INFO] [stdout] b6c73071b98d2375995fda0caa754feca5318081855b50bd969fd1345e6518ff