[INFO] fetching crate pallet-offences-benchmarking 2.0.1...
[INFO] checking pallet-offences-benchmarking-2.0.1 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate pallet-offences-benchmarking 2.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pallet-offences-benchmarking 2.0.1 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 pallet-offences-benchmarking 2.0.1
[INFO] finished tweaking crates.io crate pallet-offences-benchmarking 2.0.1
[INFO] tweaked toml for crates.io crate pallet-offences-benchmarking 2.0.1 written to /workspace/builds/worker-6/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pallet-im-online v2.0.1
[INFO] [stderr]   Downloaded pallet-finality-tracker v2.0.1
[INFO] [stderr]   Downloaded sp-consensus-babe v0.8.1
[INFO] [stderr]   Downloaded sp-finality-grandpa v2.0.1
[INFO] [stderr]   Downloaded sp-consensus-vrf v0.8.1
[INFO] [stderr]   Downloaded finality-grandpa v0.12.3
[INFO] [stderr]   Downloaded pallet-offences v2.0.1
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded sp-finality-tracker v2.0.1
[INFO] [stderr]   Downloaded pallet-grandpa v2.0.1
[INFO] [stderr]   Downloaded sp-consensus-slots v0.8.1
[INFO] [stderr]   Downloaded pallet-babe v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a3f36841dd2981c250bec2c86b0af4be2608dd68d8454702e461dbb57dfde099
[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" "a3f36841dd2981c250bec2c86b0af4be2608dd68d8454702e461dbb57dfde099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f36841dd2981c250bec2c86b0af4be2608dd68d8454702e461dbb57dfde099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f36841dd2981c250bec2c86b0af4be2608dd68d8454702e461dbb57dfde099", kill_on_drop: false }`
[INFO] [stdout] a3f36841dd2981c250bec2c86b0af4be2608dd68d8454702e461dbb57dfde099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e27e2b285df59095d64beeba19ecd81ef5d3b1c37fb0fa9ea41c4583d73e412f
[INFO] running `Command { std: "docker" "start" "-a" "e27e2b285df59095d64beeba19ecd81ef5d3b1c37fb0fa9ea41c4583d73e412f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking blake2b_simd v0.5.11
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking ring v0.16.19
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking want v0.3.0
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[INFO] [stderr]     Checking trie-db v0.22.2
[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.1
[INFO] [stderr]     Checking parity-multiaddr v0.9.7
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking prometheus v0.10.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking multistream-select v0.8.5
[INFO] [stderr]     Checking sp-utils v2.0.1
[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] [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" "e27e2b285df59095d64beeba19ecd81ef5d3b1c37fb0fa9ea41c4583d73e412f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27e2b285df59095d64beeba19ecd81ef5d3b1c37fb0fa9ea41c4583d73e412f", kill_on_drop: false }`
[INFO] [stdout] e27e2b285df59095d64beeba19ecd81ef5d3b1c37fb0fa9ea41c4583d73e412f