[INFO] crate sc-client-db 0.8.0-rc4 is already in cache
[INFO] testing sc-client-db-0.8.0-rc4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate sc-client-db 0.8.0-rc4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sc-client-db 0.8.0-rc4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-client-db 0.8.0-rc4
[INFO] finished tweaking crates.io crate sc-client-db 0.8.0-rc4
[INFO] tweaked toml for crates.io crate sc-client-db 0.8.0-rc4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 9a18271ed05fcc0a1663ae6808a077ae56202b0009b0e4f810971ac16a741ccf
[INFO] running `Command { std: "docker" "start" "-a" "9a18271ed05fcc0a1663ae6808a077ae56202b0009b0e4f810971ac16a741ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a18271ed05fcc0a1663ae6808a077ae56202b0009b0e4f810971ac16a741ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a18271ed05fcc0a1663ae6808a077ae56202b0009b0e4f810971ac16a741ccf", kill_on_drop: false }`
[INFO] [stdout] 9a18271ed05fcc0a1663ae6808a077ae56202b0009b0e4f810971ac16a741ccf
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 00246c64e2334eaf84acf12d65032efaa6d6ac97eea0e848ae11ede754f58d61
[INFO] running `Command { std: "docker" "start" "-a" "00246c64e2334eaf84acf12d65032efaa6d6ac97eea0e848ae11ede754f58d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling sp-tracing v2.0.0-rc4
[INFO] [stderr]    Compiling parity-scale-codec v1.3.1
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc4
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling multistream-select v0.8.2
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling async-tls v0.7.0
[INFO] [stderr]    Compiling soketto v0.3.2
[INFO] [stderr]    Compiling wasm-timer v0.2.4
[INFO] [stderr]    Compiling sp-utils v2.0.0-rc4
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling sp-externalities v0.8.0-rc4
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0-rc4
[INFO] [stderr]    Compiling sp-arithmetic v2.0.0-rc4
[INFO] [stderr]    Compiling primitive-types v0.7.2
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]    Compiling sp-runtime-interface v2.0.0-rc4
[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-0.19.2/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-0.19.2/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-0.19.2/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "00246c64e2334eaf84acf12d65032efaa6d6ac97eea0e848ae11ede754f58d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00246c64e2334eaf84acf12d65032efaa6d6ac97eea0e848ae11ede754f58d61", kill_on_drop: false }`
[INFO] [stdout] 00246c64e2334eaf84acf12d65032efaa6d6ac97eea0e848ae11ede754f58d61