[INFO] crate libp2p-ratelimit 0.12.0 is already in cache
[INFO] testing libp2p-ratelimit-0.12.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate libp2p-ratelimit 0.12.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libp2p-ratelimit 0.12.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libp2p-ratelimit 0.12.0
[INFO] finished tweaking crates.io crate libp2p-ratelimit 0.12.0
[INFO] tweaked toml for crates.io crate libp2p-ratelimit 0.12.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23a75667ebe7aa38bda55dd1d34230bec16677b59499681fa24d919395d7c81c
[INFO] running `"docker" "start" "-a" "23a75667ebe7aa38bda55dd1d34230bec16677b59499681fa24d919395d7c81c"`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling unsigned-varint v0.2.3
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling parity-multihash v0.1.3
[INFO] [stderr]    Compiling hmac-drbg v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling parity-multiaddr v0.5.0
[INFO] [stderr]    Compiling libsecp256k1 v0.2.2
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling multistream-select v0.5.1
[INFO] [stderr]    Compiling rw-stream-sink v0.1.2
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling wasm-timer v0.1.3
[INFO] [stderr]    Compiling aio-limited v0.1.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling zeroize v0.9.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling libp2p-core v0.12.0
[INFO] [stderr] error[E0277]: the trait bound `rand::rngs::thread::ThreadRng: rand_core::CryptoRng` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:34:44
[INFO] [stderr]     |
[INFO] [stderr] 34  |         Keypair(ed25519::Keypair::generate(&mut rand::thread_rng()))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand::rngs::thread::ThreadRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/ed25519.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 |         R: CryptoRng + RngCore,
[INFO] [stderr]     |            --------- required by this bound in `ed25519_dalek::ed25519::Keypair::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 `rand::rngs::thread::ThreadRng: rand_core::RngCore` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:34:44
[INFO] [stderr]     |
[INFO] [stderr] 34  |         Keypair(ed25519::Keypair::generate(&mut rand::thread_rng()))
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand::rngs::thread::ThreadRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/ed25519.rs:130:24
[INFO] [stderr]     |
[INFO] [stderr] 130 |         R: CryptoRng + RngCore,
[INFO] [stderr]     |                        ------- required by this bound in `ed25519_dalek::ed25519::Keypair::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 `rand::rngs::thread::ThreadRng: rand_core::CryptoRng` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:141:48
[INFO] [stderr]     |
[INFO] [stderr] 141 |         SecretKey(ed25519::SecretKey::generate(&mut rand::thread_rng()))
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand::rngs::thread::ThreadRng`
[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 `rand::rngs::thread::ThreadRng: rand_core::RngCore` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:141:48
[INFO] [stderr]     |
[INFO] [stderr] 141 |         SecretKey(ed25519::SecretKey::generate(&mut rand::thread_rng()))
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand::rngs::thread::ThreadRng`
[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 `libp2p-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "23a75667ebe7aa38bda55dd1d34230bec16677b59499681fa24d919395d7c81c"`
[INFO] running `"docker" "rm" "-f" "23a75667ebe7aa38bda55dd1d34230bec16677b59499681fa24d919395d7c81c"`
[INFO] [stdout] 23a75667ebe7aa38bda55dd1d34230bec16677b59499681fa24d919395d7c81c