[INFO] fetching crate dusk-bls12_381-sign 0.5.1-rc.0...
[INFO] checking dusk-bls12_381-sign-0.5.1-rc.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate dusk-bls12_381-sign 0.5.1-rc.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dusk-bls12_381-sign 0.5.1-rc.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dusk-bls12_381-sign 0.5.1-rc.0
[INFO] finished tweaking crates.io crate dusk-bls12_381-sign 0.5.1-rc.0
[INFO] tweaked toml for crates.io crate dusk-bls12_381-sign 0.5.1-rc.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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bytecheck v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding dusk-bls12_381 v0.12.3 (latest: v0.13.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding ptr_meta v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding ptr_meta_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pairing v0.23.0
[INFO] [stderr]   Downloaded derive-hex v0.1.2
[INFO] [stderr]   Downloaded dusk-bytes v0.1.7
[INFO] [stderr]   Downloaded dusk-bls12_381 v0.12.3
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6f7ef207b15b570dcc745aeb8847c4f6295af71d36b4ad38db50af39f94abb
[INFO] running `Command { std: "docker" "start" "-a" "ac6f7ef207b15b570dcc745aeb8847c4f6295af71d36b4ad38db50af39f94abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6f7ef207b15b570dcc745aeb8847c4f6295af71d36b4ad38db50af39f94abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f7ef207b15b570dcc745aeb8847c4f6295af71d36b4ad38db50af39f94abb", kill_on_drop: false }`
[INFO] [stdout] ac6f7ef207b15b570dcc745aeb8847c4f6295af71d36b4ad38db50af39f94abb
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c62eb45574bbdc4dd84309a46eb7f2a67803fe142c1f65b03eafbc954771a40
[INFO] running `Command { std: "docker" "start" "-a" "8c62eb45574bbdc4dd84309a46eb7f2a67803fe142c1f65b03eafbc954771a40", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pairing v0.23.0
[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 v0.12.3
[INFO] [stderr]     Checking dusk-bls12_381-sign v0.5.1-rc.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-6f17d22bba15001f/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]    = note: the item is gated behind the `getrandom` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RngCore`
[INFO] [stdout]   --> benches/signature_bench.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use rand_core::{OsRng, RngCore};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[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 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8c62eb45574bbdc4dd84309a46eb7f2a67803fe142c1f65b03eafbc954771a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c62eb45574bbdc4dd84309a46eb7f2a67803fe142c1f65b03eafbc954771a40", kill_on_drop: false }`
[INFO] [stdout] 8c62eb45574bbdc4dd84309a46eb7f2a67803fe142c1f65b03eafbc954771a40
[INFO] checking dusk-bls12_381-sign-0.5.1-rc.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate dusk-bls12_381-sign 0.5.1-rc.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dusk-bls12_381-sign 0.5.1-rc.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dusk-bls12_381-sign 0.5.1-rc.0
[INFO] finished tweaking crates.io crate dusk-bls12_381-sign 0.5.1-rc.0
[INFO] tweaked toml for crates.io crate dusk-bls12_381-sign 0.5.1-rc.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bytecheck v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding dusk-bls12_381 v0.12.3 (latest: v0.13.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding ptr_meta v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding ptr_meta_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3185e7bfe9d41e922e1da8754fbeca6d4ba4500aaecd281306adbf6f2fc73a17
[INFO] running `Command { std: "docker" "start" "-a" "3185e7bfe9d41e922e1da8754fbeca6d4ba4500aaecd281306adbf6f2fc73a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3185e7bfe9d41e922e1da8754fbeca6d4ba4500aaecd281306adbf6f2fc73a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3185e7bfe9d41e922e1da8754fbeca6d4ba4500aaecd281306adbf6f2fc73a17", kill_on_drop: false }`
[INFO] [stdout] 3185e7bfe9d41e922e1da8754fbeca6d4ba4500aaecd281306adbf6f2fc73a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 591641bb93525f22bdae497ea8885edcda258f46315de3bcab552d2952309e78
[INFO] running `Command { std: "docker" "start" "-a" "591641bb93525f22bdae497ea8885edcda258f46315de3bcab552d2952309e78", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking pairing v0.23.0
[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 v0.12.3
[INFO] [stderr]     Checking dusk-bls12_381-sign v0.5.1-rc.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-6f17d22bba15001f/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]    = note: the item is gated behind the `getrandom` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RngCore`
[INFO] [stdout]   --> benches/signature_bench.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use rand_core::{OsRng, RngCore};
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[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 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "591641bb93525f22bdae497ea8885edcda258f46315de3bcab552d2952309e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591641bb93525f22bdae497ea8885edcda258f46315de3bcab552d2952309e78", kill_on_drop: false }`
[INFO] [stdout] 591641bb93525f22bdae497ea8885edcda258f46315de3bcab552d2952309e78
