[INFO] fetching crate sc-client 0.8.0-alpha.6...
[INFO] checking sc-client-0.8.0-alpha.6 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate sc-client 0.8.0-alpha.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sc-client 0.8.0-alpha.6 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-block-builder v2.0.0-rc4
[INFO] [stderr]   Downloaded sc-block-builder v0.8.0-rc4
[INFO] [stderr]   Downloaded libp2p-core-derive v0.19.1
[INFO] [stderr]   Downloaded trie-db v0.21.0
[INFO] [stderr]   Downloaded libp2p-core v0.19.2
[INFO] [stderr]   Downloaded sp-keyring v2.0.0-rc4
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.0-rc4
[INFO] [stderr]   Downloaded sp-trie v2.0.0-rc4
[INFO] [stderr]   Downloaded parity-util-mem v0.6.1
[INFO] [stderr]   Downloaded sp-core v2.0.0-rc4
[INFO] [stderr]   Downloaded kvdb v0.5.0
[INFO] [stderr]   Downloaded sp-io v2.0.0-rc4
[INFO] [stderr]   Downloaded memory-db v0.21.0
[INFO] [stderr]   Downloaded sp-blockchain v2.0.0-rc4
[INFO] [stderr]   Downloaded sc-executor-common v0.8.0-rc4
[INFO] [stderr]   Downloaded sc-executor-wasmi v0.8.0-rc4
[INFO] [stderr]   Downloaded sp-state-machine v0.8.0-rc4
[INFO] [stderr]   Downloaded sp-allocator v2.0.0-rc4
[INFO] [stderr]   Downloaded libp2p v0.19.1
[INFO] [stderr]   Downloaded sp-runtime v2.0.0-rc4
[INFO] [stderr]   Downloaded kvdb v0.6.0
[INFO] [stderr]   Downloaded sp-transaction-pool v2.0.0-rc4
[INFO] [stderr]   Downloaded sc-client-api v2.0.0-rc4
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded sp-database v2.0.0-rc4
[INFO] [stderr]   Downloaded sc-executor v0.8.0-rc4
[INFO] [stderr]   Downloaded sp-version v2.0.0-rc4
[INFO] [stderr]   Downloaded libp2p-swarm v0.19.1
[INFO] [stderr]   Downloaded sp-inherents v2.0.0-rc4
[INFO] [stderr]   Downloaded sp-api v2.0.0-rc4
[INFO] [stderr]   Downloaded sp-consensus v0.8.0-rc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024eb2f12cae950485c99e840a74d371795fd2087388416337fb9e06159b94b4
[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" "024eb2f12cae950485c99e840a74d371795fd2087388416337fb9e06159b94b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024eb2f12cae950485c99e840a74d371795fd2087388416337fb9e06159b94b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024eb2f12cae950485c99e840a74d371795fd2087388416337fb9e06159b94b4", kill_on_drop: false }`
[INFO] [stdout] 024eb2f12cae950485c99e840a74d371795fd2087388416337fb9e06159b94b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14b05aa58b83fd233450dab1c90bf1476a1f7e50d9d5dd92b58ade96f56a391d
[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" "14b05aa58b83fd233450dab1c90bf1476a1f7e50d9d5dd92b58ade96f56a391d", 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 futures-util v0.3.12
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking trie-db v0.21.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stdout] error[E0277]: the trait bound `dir_builder::DirBuilder: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.9.0/src/fs/dir_builder.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |     impl DirBuilderExt for DirBuilder {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `dir_builder::DirBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dir_entry::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.9.0/src/fs/dir_entry.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |     impl DirEntryExt for DirEntry {
[INFO] [stdout]     |          ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `dir_entry::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `open_options::OpenOptions: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.9.0/src/fs/open_options.rs:303:10
[INFO] [stdout]     |
[INFO] [stdout] 303 |     impl OpenOptionsExt for OpenOptions {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `open_options::OpenOptions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libp2p-core v0.22.1
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-std`
[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" "14b05aa58b83fd233450dab1c90bf1476a1f7e50d9d5dd92b58ade96f56a391d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b05aa58b83fd233450dab1c90bf1476a1f7e50d9d5dd92b58ade96f56a391d", kill_on_drop: false }`
[INFO] [stdout] 14b05aa58b83fd233450dab1c90bf1476a1f7e50d9d5dd92b58ade96f56a391d