[INFO] fetching crate trust-graph 0.0.1...
[INFO] checking trust-graph-0.0.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate trust-graph 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate trust-graph 0.0.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trust-graph 0.0.1
[INFO] finished tweaking crates.io crate trust-graph 0.0.1
[INFO] tweaked toml for crates.io crate trust-graph 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.2
[INFO] [stderr]   Downloaded rw-stream-sink v0.2.1
[INFO] [stderr]   Downloaded bs58 v0.3.1
[INFO] [stderr]   Downloaded parity-multiaddr v0.7.3
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.1
[INFO] [stderr]   Downloaded asn1_der v0.6.3
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.0
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.5
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] [stderr]   Downloaded multistream-select v0.7.0
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded parity-multihash v0.2.3
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded libp2p-core v0.16.0
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b736d0af089b951bfcdf128ee8fa6cc3897badd6f2163146857878e9e3ab6d72
[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" "b736d0af089b951bfcdf128ee8fa6cc3897badd6f2163146857878e9e3ab6d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b736d0af089b951bfcdf128ee8fa6cc3897badd6f2163146857878e9e3ab6d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b736d0af089b951bfcdf128ee8fa6cc3897badd6f2163146857878e9e3ab6d72", kill_on_drop: false }`
[INFO] [stdout] b736d0af089b951bfcdf128ee8fa6cc3897badd6f2163146857878e9e3ab6d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e20cc159e5aae3b149ec6be77d6c6ef78fcf9395900aef89b1e3ddb254073d17
[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" "e20cc159e5aae3b149ec6be77d6c6ef78fcf9395900aef89b1e3ddb254073d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking multistream-select v0.7.0
[INFO] [stderr]     Checking parity-multihash v0.2.3
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking parity-multiaddr v0.7.3
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling libp2p-core v0.16.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stdout] error[E0599]: no method named `sign` found for struct `ed25519_dalek::Keypair` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.16.0/src/identity/ed25519.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.0.sign(msg).to_bytes().to_vec()
[INFO] [stdout]    |                ^^^^ method not found in `ed25519_dalek::Keypair`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use ed25519_dalek::Signer;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.16.0/src/identity/ed25519.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 |         ed25519::Signature::from_bytes(sig).and_then(|s| self.0.verify(msg, &s)).is_ok()
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             function or associated item not found in `ed25519_dalek::Signature`
[INFO] [stdout]     |                             help: there is an associated function with a similar name: `to_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::ed25519::signature::Signature;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.16.0/src/identity/ed25519.rs:110:65
[INFO] [stdout]     |
[INFO] [stdout] 110 |         ed25519::Signature::from_bytes(sig).and_then(|s| self.0.verify(msg, &s)).is_ok()
[INFO] [stdout]     |                                                                 ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::Verifier;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e20cc159e5aae3b149ec6be77d6c6ef78fcf9395900aef89b1e3ddb254073d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20cc159e5aae3b149ec6be77d6c6ef78fcf9395900aef89b1e3ddb254073d17", kill_on_drop: false }`
[INFO] [stdout] e20cc159e5aae3b149ec6be77d6c6ef78fcf9395900aef89b1e3ddb254073d17