[INFO] updating cached repository https://github.com/Fantom-foundation/libconsensus-dag
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f9ec3570c70d51c060cfc5eba8d76f938890dcb
[INFO] checking Fantom-foundation/libconsensus-dag against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFantom-foundation%2Flibconsensus-dag" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fantom-foundation/libconsensus-dag on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fantom-foundation/libconsensus-dag
[INFO] finished tweaking git repo https://github.com/Fantom-foundation/libconsensus-dag
[INFO] tweaked toml for git repo https://github.com/Fantom-foundation/libconsensus-dag written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libcommon-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libconsensus`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libhash`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libhash-sha3`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libsignature`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libtransport`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libtransport-tcp`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libsignature-ed25519-dalek`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1958f8e2317bc9d5056d512979d2fb62e9dd160633ab5536bf6fe0a536291c3e
[INFO] running `"docker" "start" "-a" "1958f8e2317bc9d5056d512979d2fb62e9dd160633ab5536bf6fe0a536291c3e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking to_vec v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling ryu v1.0.4
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[INFO] [stderr]     Checking thread_local v1.0.1
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[INFO] [stderr]    Compiling memoffset v0.5.4
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[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking fs2 v0.4.3
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[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
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[INFO] [stderr]    Compiling synstructure v0.12.3
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[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
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[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking libcommon-rs v0.0.2 (https://github.com/Fantom-foundation/libcommon-rs#a5b2ac03)
[INFO] [stderr]     Checking libhash v0.1.1 (https://github.com/Fantom-foundation/libhash#f98ab42c)
[INFO] [stderr]     Checking serde_bytes v0.11.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking libsignature v0.2.0 (https://github.com/Fantom-foundation/libsignature#02f90b2a)
[INFO] [stderr]     Checking libtransport v0.0.4 (https://github.com/Fantom-foundation/libtransport#421eb242)
[INFO] [stderr]     Checking sled v0.29.2
[INFO] [stderr]     Checking libhash-sha3 v0.1.1 (https://github.com/Fantom-foundation/libhash-sha3#8fe424d5)
[INFO] [stderr]     Checking libsignature-ed25519-dalek v0.2.2 (https://github.com/Fantom-foundation/libsignature-ed25519-dalek#210bae7b)
[INFO] [stderr]     Checking libtransport-tcp v0.0.6 (https://github.com/Fantom-foundation/libtransport-tcp#35ad6f49)
[INFO] [stderr]     Checking libconsensus v0.0.8 (https://github.com/Fantom-foundation/libconsensus#05741644)
[INFO] [stderr] error[E0277]: the trait bound `OsRng: rand_core::CryptoRng` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/libsignature-ed25519-dalek-28918168ec175864/210bae7/src/lib.rs:74:87
[INFO] [stderr]     |
[INFO] [stderr] 74  |         let secret_key: ed25519_dalek::SecretKey = ed25519_dalek::SecretKey::generate(&mut csprng);
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `OsRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         T: CryptoRng + RngCore,
[INFO] [stderr]     |            --------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:430:1
[INFO] [stderr]     |
[INFO] [stderr] 430 | impl<'a, R: CryptoRng + ?Sized> CryptoRng for &'a mut R {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `OsRng: rand_core::RngCore` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/libsignature-ed25519-dalek-28918168ec175864/210bae7/src/lib.rs:74:87
[INFO] [stderr]     |
[INFO] [stderr] 74  |         let secret_key: ed25519_dalek::SecretKey = ed25519_dalek::SecretKey::generate(&mut csprng);
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `OsRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:24
[INFO] [stderr]     |
[INFO] [stderr] 172 |         T: CryptoRng + RngCore,
[INFO] [stderr]     |                        ------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:373:1
[INFO] [stderr]     |
[INFO] [stderr] 373 | / impl<'a, R: RngCore + ?Sized> RngCore for &'a mut R {
[INFO] [stderr] 374 | |     #[inline(always)]
[INFO] [stderr] 375 | |     fn next_u32(&mut self) -> u32 {
[INFO] [stderr] 376 | |         (**self).next_u32()
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |     }
[INFO] [stderr] 393 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `OsRng: rand_core::CryptoRng` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/libsignature-ed25519-dalek-28918168ec175864/210bae7/src/lib.rs:80:87
[INFO] [stderr]     |
[INFO] [stderr] 80  |         let secret_key: ed25519_dalek::SecretKey = ed25519_dalek::SecretKey::generate(&mut csprng);
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `OsRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         T: CryptoRng + RngCore,
[INFO] [stderr]     |            --------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:430:1
[INFO] [stderr]     |
[INFO] [stderr] 430 | impl<'a, R: CryptoRng + ?Sized> CryptoRng for &'a mut R {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `OsRng: rand_core::RngCore` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/libsignature-ed25519-dalek-28918168ec175864/210bae7/src/lib.rs:80:87
[INFO] [stderr]     |
[INFO] [stderr] 80  |         let secret_key: ed25519_dalek::SecretKey = ed25519_dalek::SecretKey::generate(&mut csprng);
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `OsRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:24
[INFO] [stderr]     |
[INFO] [stderr] 172 |         T: CryptoRng + RngCore,
[INFO] [stderr]     |                        ------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:373:1
[INFO] [stderr]     |
[INFO] [stderr] 373 | / impl<'a, R: RngCore + ?Sized> RngCore for &'a mut R {
[INFO] [stderr] 374 | |     #[inline(always)]
[INFO] [stderr] 375 | |     fn next_u32(&mut self) -> u32 {
[INFO] [stderr] 376 | |         (**self).next_u32()
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |     }
[INFO] [stderr] 393 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libsignature-ed25519-dalek`.
[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 `"docker" "inspect" "1958f8e2317bc9d5056d512979d2fb62e9dd160633ab5536bf6fe0a536291c3e"`
[INFO] running `"docker" "rm" "-f" "1958f8e2317bc9d5056d512979d2fb62e9dd160633ab5536bf6fe0a536291c3e"`
[INFO] [stdout] 1958f8e2317bc9d5056d512979d2fb62e9dd160633ab5536bf6fe0a536291c3e