[INFO] fetching crate dusk-hades 0.16.0...
[INFO] checking dusk-hades-0.16.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate dusk-hades 0.16.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate dusk-hades 0.16.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-87/source/rust-toolchain
[INFO] started tweaking crates.io crate dusk-hades 0.16.0
[INFO] finished tweaking crates.io crate dusk-hades 0.16.0
[INFO] tweaked toml for crates.io crate dusk-hades 0.16.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc23e188282015248e59d1055e71d985c54b5caf33f92483fe6dbac4779576c3
[INFO] running `Command { std: "docker" "start" "-a" "cc23e188282015248e59d1055e71d985c54b5caf33f92483fe6dbac4779576c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc23e188282015248e59d1055e71d985c54b5caf33f92483fe6dbac4779576c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc23e188282015248e59d1055e71d985c54b5caf33f92483fe6dbac4779576c3", kill_on_drop: false }`
[INFO] [stdout] cc23e188282015248e59d1055e71d985c54b5caf33f92483fe6dbac4779576c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8ef7460f49542c601bea758af9e0143125c7cf403c1d31dcc2f5c30509e9979
[INFO] running `Command { std: "docker" "start" "-a" "a8ef7460f49542c601bea758af9e0143125c7cf403c1d31dcc2f5c30509e9979", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   dusk-bls12_381 v0.8.0: byteorder, default, parallel, rayon, std
[INFO] [stderr]   rand_core v0.6.3: alloc, getrandom, std
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking dusk-bytes v0.1.5
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking dusk-bls12_381 v0.8.0
[INFO] [stderr]     Checking dusk-jubjub v0.10.0
[INFO] [stderr]     Checking dusk-plonk v0.8.1
[INFO] [stderr]     Checking dusk-hades v0.16.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.91s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking dusk-bls12_381 v0.8.0
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking dusk-jubjub v0.10.0
[INFO] [stderr]     Checking dusk-plonk v0.8.1
[INFO] [stderr]     Checking dusk-hades v0.16.0 (/tmp/fixit)
[INFO] [stdout] error[E0432]: unresolved import `rand_core::OsRng`
[INFO] [stdout]    --> src/strategies/gadget.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     use rand_core::OsRng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ no `OsRng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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-hades` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "a8ef7460f49542c601bea758af9e0143125c7cf403c1d31dcc2f5c30509e9979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ef7460f49542c601bea758af9e0143125c7cf403c1d31dcc2f5c30509e9979", kill_on_drop: false }`
[INFO] [stdout] a8ef7460f49542c601bea758af9e0143125c7cf403c1d31dcc2f5c30509e9979