[INFO] fetching crate exocore-core 0.1.1...
[INFO] testing exocore-core-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate exocore-core 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate exocore-core 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exocore-core 0.1.1
[INFO] finished tweaking crates.io crate exocore-core 0.1.1
[INFO] tweaked toml for crates.io crate exocore-core 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion_bencher_compat v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] d30b2c39014fb30df1ef8f07b3c21dd7e8ccfbcaf074d218c45bbc19c5b17b17
[INFO] running `Command { std: "docker" "start" "-a" "d30b2c39014fb30df1ef8f07b3c21dd7e8ccfbcaf074d218c45bbc19c5b17b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30b2c39014fb30df1ef8f07b3c21dd7e8ccfbcaf074d218c45bbc19c5b17b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30b2c39014fb30df1ef8f07b3c21dd7e8ccfbcaf074d218c45bbc19c5b17b17", kill_on_drop: false }`
[INFO] [stdout] d30b2c39014fb30df1ef8f07b3c21dd7e8ccfbcaf074d218c45bbc19c5b17b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc05ce2fcdcfe7d9fb3e39e2eaeef1c8f4227c505c407b849a2898483c9efdf
[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" "9cc05ce2fcdcfe7d9fb3e39e2eaeef1c8f4227c505c407b849a2898483c9efdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
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[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
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[INFO] [stderr]    Compiling capnp v0.14.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.0
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[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling sha3 v0.9.1
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[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling aes-gcm v0.7.0
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling petname v1.0.13
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling chacha20 v0.5.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.6.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling parity-multiaddr v0.10.0
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling multistream-select v0.9.1
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling libp2p-core v0.26.0
[INFO] [stderr]    Compiling libp2p-noise v0.28.0
[INFO] [stderr]    Compiling exocore-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libp2p-swarm v0.26.0
[INFO] [stderr]    Compiling libp2p v0.33.0
[INFO] [stdout] error[E0277]: the trait bound `StdRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> src/sec/keys.rs:181:47
[INFO] [stdout]     |
[INFO] [stdout] 181 |         petname::Petnames::default().generate(&mut rng, 3, "-")
[INFO] [stdout]     |                                               ^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `StdRng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `rand::rng::Rng` for `StdRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/time/clock.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     .compare_and_swap(counter + 1, 0, Ordering::SeqCst);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exocore-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9cc05ce2fcdcfe7d9fb3e39e2eaeef1c8f4227c505c407b849a2898483c9efdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc05ce2fcdcfe7d9fb3e39e2eaeef1c8f4227c505c407b849a2898483c9efdf", kill_on_drop: false }`
[INFO] [stdout] 9cc05ce2fcdcfe7d9fb3e39e2eaeef1c8f4227c505c407b849a2898483c9efdf