[INFO] fetching crate sc-client 0.8.0-alpha.6...
[INFO] checking sc-client-0.8.0-alpha.6 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate sc-client 0.8.0-alpha.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sc-client 0.8.0-alpha.6 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-client 0.8.0-alpha.6
[INFO] finished tweaking crates.io crate sc-client 0.8.0-alpha.6
[INFO] tweaked toml for crates.io crate sc-client 0.8.0-alpha.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4769d3b79e8b030088bb9ec4ba1d545b66ce461a6ebb0eef84db35d363b3aef9
[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" "4769d3b79e8b030088bb9ec4ba1d545b66ce461a6ebb0eef84db35d363b3aef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4769d3b79e8b030088bb9ec4ba1d545b66ce461a6ebb0eef84db35d363b3aef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4769d3b79e8b030088bb9ec4ba1d545b66ce461a6ebb0eef84db35d363b3aef9", kill_on_drop: false }`
[INFO] [stdout] 4769d3b79e8b030088bb9ec4ba1d545b66ce461a6ebb0eef84db35d363b3aef9
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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] 8d0e23b2b76746d2a80943421faf1f391a00d4fa7a73ee51a1951a3f6ae50697
[INFO] running `Command { std: "docker" "start" "-a" "8d0e23b2b76746d2a80943421faf1f391a00d4fa7a73ee51a1951a3f6ae50697", kill_on_drop: false }`
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking indexmap v1.6.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.19.1
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking sp-core v2.0.0-rc4
[INFO] [stderr]     Checking kvdb v0.6.0
[INFO] [stderr]     Checking kvdb v0.5.0
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking sp-database v2.0.0-rc4
[INFO] [stderr]     Checking memory-db v0.21.0
[INFO] [stderr]     Checking trie-db v0.21.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[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/sp-core-2.0.0-rc4/src/ed25519.rs:497:18
[INFO] [stdout]     |
[INFO] [stdout] 497 |         let r = self.0.sign(message).to_bytes();
[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/sp-core-2.0.0-rc4/src/ed25519.rs:516:45
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let sig = match ed25519_dalek::Signature::from_bytes(sig) {
[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/sp-core-2.0.0-rc4/src/ed25519.rs:521:20
[INFO] [stdout]     |
[INFO] [stdout] 521 |         match public_key.verify(message.as_ref(), &sig) {
[INFO] [stdout]     |                          ^^^^^^ this is an associated function, not a method
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout] note: the candidate is defined in the trait `crypto::Pair`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-core-2.0.0-rc4/src/crypto.rs:821:2
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn verify<M: AsRef<[u8]>>(sig: &Self::Signature, message: M, pubkey: &Self::Public) -> bool;
[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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 521 |         match ed25519_dalek::PublicKey::verify(message.as_ref(), &sig) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for the candidate
[INFO] [stdout]     |
[INFO] [stdout] 521 |         match crypto::Pair::verify(public_key, message.as_ref(), &sig) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `sp-core`
[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" "8d0e23b2b76746d2a80943421faf1f391a00d4fa7a73ee51a1951a3f6ae50697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0e23b2b76746d2a80943421faf1f391a00d4fa7a73ee51a1951a3f6ae50697", kill_on_drop: false }`
[INFO] [stdout] 8d0e23b2b76746d2a80943421faf1f391a00d4fa7a73ee51a1951a3f6ae50697