[INFO] cloning repository https://github.com/paritytech/whisper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/whisper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fwhisper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fwhisper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68b28c0ff8cacfc160f8c5dbc8dc56182155c00
[INFO] checking paritytech/whisper against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fwhisper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/whisper 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 git repo https://github.com/paritytech/whisper
[INFO] removed workspace from git repo https://github.com/paritytech/whisper
[INFO] finished tweaking git repo https://github.com/paritytech/whisper
[INFO] tweaked toml for git repo https://github.com/paritytech/whisper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/whisper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-ethereum.git`
[INFO] [stderr]     Updating git submodule `https://github.com/ethereum/tests.git`
[INFO] [stderr]     Updating git submodule `https://github.com/paritytech/wasm-tests`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-secp256k1`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-ethereum.git`
[INFO] [stderr] warning: fetching `master` branch from `https://github.com/paritytech/parity-ethereum.git` but the `HEAD` reference for this repository is not the `master` branch. This behavior will change in Cargo in the future and your build may break, so it's recommended to place `branch = "master"` in Cargo.toml when depending on this git repository to ensure that your build will continue to work.
[INFO] [stderr]     Updating git submodule `https://github.com/ethereum/tests.git`
[INFO] [stderr]     Updating git submodule `https://github.com/openethereum/wasm-tests`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded ethereum-types v0.10.0
[INFO] [stderr]   Downloaded uint v0.9.0
[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] [stderr]   Downloaded scrypt v0.2.0
[INFO] [stderr]   Downloaded ethbloom v0.9.2
[INFO] [stderr]   Downloaded ripemd160 v0.8.0
[INFO] [stderr]   Downloaded block-modes v0.3.3
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.6
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded snap v1.0.3
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded parity-codec v3.5.4
[INFO] [stderr]   Downloaded ipnetwork v0.12.8
[INFO] [stderr]   Downloaded static_assertions v0.2.5
[INFO] [stderr]   Downloaded impl-codec v0.2.0
[INFO] [stderr]   Downloaded ethbloom v0.10.0
[INFO] [stderr]   Downloaded ethereum-types v0.6.0
[INFO] [stderr]   Downloaded primitive-types v0.3.0
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded uint v0.7.1
[INFO] [stderr]   Downloaded ctr v0.3.2
[INFO] [stderr]   Downloaded parity-wordlist v1.3.1
[INFO] [stderr]   Downloaded jsonrpc-core v12.2.0
[INFO] [stderr]   Downloaded aes-ctr v0.3.0
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded impl-rlp v0.3.0
[INFO] [stderr]   Downloaded parity-crypto v0.6.2
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.2
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded primitive-types v0.8.0
[INFO] [stderr]   Downloaded lock_api v0.2.0
[INFO] [stderr]   Downloaded zeroize_derive v0.9.3
[INFO] [stderr]   Downloaded zeroize v0.9.3
[INFO] [stderr]   Downloaded elastic-array v0.11.0
[INFO] [stderr]   Downloaded parity-util-mem v0.1.0
[INFO] [stderr]   Downloaded fixed-hash v0.3.2
[INFO] [stderr]   Downloaded jsonrpc-pubsub v12.2.0
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded ethbloom v0.6.4
[INFO] [stderr]   Downloaded fixed-hash v0.7.0
[INFO] [stderr]   Downloaded rlp v0.5.0
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded jsonrpc-derive v12.2.0
[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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c04d416e1241b130eeb8dc5132ee9558bdb9c9a7fd76ad6bee3bff5cb3234d18
[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" "c04d416e1241b130eeb8dc5132ee9558bdb9c9a7fd76ad6bee3bff5cb3234d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04d416e1241b130eeb8dc5132ee9558bdb9c9a7fd76ad6bee3bff5cb3234d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04d416e1241b130eeb8dc5132ee9558bdb9c9a7fd76ad6bee3bff5cb3234d18", kill_on_drop: false }`
[INFO] [stdout] c04d416e1241b130eeb8dc5132ee9558bdb9c9a7fd76ad6bee3bff5cb3234d18
[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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc2d62f2a4c2fd374744b767fefd7a5909175b28c387081d8babec76777ff88
[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" "8fc2d62f2a4c2fd374744b767fefd7a5909175b28c387081d8babec76777ff88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking time-utils v0.1.0 (https://github.com/paritytech/parity-ethereum.git#b02bc5d5)
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking elastic-array v0.11.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking parity-wordlist v1.3.1
[INFO] [stdout] error[E0277]: the trait bound `read_dir::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-fs-0.1.7/src/read_dir.rs:239:6
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl DirEntryExt for DirEntry {
[INFO] [stdout]     |      ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `read_dir::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-fs`
[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" "8fc2d62f2a4c2fd374744b767fefd7a5909175b28c387081d8babec76777ff88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc2d62f2a4c2fd374744b767fefd7a5909175b28c387081d8babec76777ff88", kill_on_drop: false }`
[INFO] [stdout] 8fc2d62f2a4c2fd374744b767fefd7a5909175b28c387081d8babec76777ff88