[INFO] fetching crate nimiq-mempool 0.2.0...
[INFO] checking nimiq-mempool-0.2.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate nimiq-mempool 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nimiq-mempool 0.2.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nimiq-mempool 0.2.0
[INFO] finished tweaking crates.io crate nimiq-mempool 0.2.0
[INFO] tweaked toml for crates.io crate nimiq-mempool 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b14344ade1087c17338a72e0a1f6e70c8dc6782a49a9948492c88fed2042ad1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b14344ade1087c17338a72e0a1f6e70c8dc6782a49a9948492c88fed2042ad1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b14344ade1087c17338a72e0a1f6e70c8dc6782a49a9948492c88fed2042ad1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14344ade1087c17338a72e0a1f6e70c8dc6782a49a9948492c88fed2042ad1d", kill_on_drop: false }`
[INFO] [stdout] b14344ade1087c17338a72e0a1f6e70c8dc6782a49a9948492c88fed2042ad1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ab2513d2161ecf7e0fd08ad5d24c7acacd15bacc2f3199df93c5a08442c0083
[INFO] running `Command { std: "docker" "start" "-a" "5ab2513d2161ecf7e0fd08ad5d24c7acacd15bacc2f3199df93c5a08442c0083", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking nimiq-collections v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nimiq-keys v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stdout] error[E0277]: the trait bound `rand_os::OsRng: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-keys-0.2.0/src/key_pair.rs:17:57
[INFO] [stdout]     |
[INFO] [stdout] 17  |         let key_pair = ed25519_dalek::Keypair::generate(&mut cspring);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand_os::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/ed25519.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |            --------- required by this bound in `ed25519_dalek::ed25519::Keypair::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:430:1
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl<'a, R: CryptoRng + ?Sized> CryptoRng for &'a mut R {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand_os::OsRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-keys-0.2.0/src/key_pair.rs:17:57
[INFO] [stdout]     |
[INFO] [stdout] 17  |         let key_pair = ed25519_dalek::Keypair::generate(&mut cspring);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand_os::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/ed25519.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |                        ------- required by this bound in `ed25519_dalek::ed25519::Keypair::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 373 | / impl<'a, R: RngCore + ?Sized> RngCore for &'a mut R {
[INFO] [stdout] 374 | |     #[inline(always)]
[INFO] [stdout] 375 | |     fn next_u32(&mut self) -> u32 {
[INFO] [stdout] 376 | |         (**self).next_u32()
[INFO] [stdout] ...   |
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand_os::OsRng: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-keys-0.2.0/src/private_key.rs:21:55
[INFO] [stdout]     |
[INFO] [stdout] 21  |         PrivateKey(ed25519_dalek::SecretKey::generate(&mut cspring))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand_os::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |            --------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:430:1
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl<'a, R: CryptoRng + ?Sized> CryptoRng for &'a mut R {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand_os::OsRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-keys-0.2.0/src/private_key.rs:21:55
[INFO] [stdout]     |
[INFO] [stdout] 21  |         PrivateKey(ed25519_dalek::SecretKey::generate(&mut cspring))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand_os::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |                        ------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 373 | / impl<'a, R: RngCore + ?Sized> RngCore for &'a mut R {
[INFO] [stdout] 374 | |     #[inline(always)]
[INFO] [stdout] 375 | |     fn next_u32(&mut self) -> u32 {
[INFO] [stdout] 376 | |         (**self).next_u32()
[INFO] [stdout] ...   |
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nimiq-keys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5ab2513d2161ecf7e0fd08ad5d24c7acacd15bacc2f3199df93c5a08442c0083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab2513d2161ecf7e0fd08ad5d24c7acacd15bacc2f3199df93c5a08442c0083", kill_on_drop: false }`
[INFO] [stdout] 5ab2513d2161ecf7e0fd08ad5d24c7acacd15bacc2f3199df93c5a08442c0083