[INFO] cloning repository https://github.com/hermanjunge/bls-naive-external-signer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hermanjunge/bls-naive-external-signer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermanjunge%2Fbls-naive-external-signer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermanjunge%2Fbls-naive-external-signer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55be8782e0f029c993233f4f23cffbe7f85c6ffe
[INFO] checking hermanjunge/bls-naive-external-signer against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhermanjunge%2Fbls-naive-external-signer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hermanjunge/bls-naive-external-signer 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/hermanjunge/bls-naive-external-signer
[INFO] finished tweaking git repo https://github.com/hermanjunge/bls-naive-external-signer
[INFO] tweaked toml for git repo https://github.com/hermanjunge/bls-naive-external-signer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/hermanjunge/bls-naive-external-signer 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/sigp/milagro_bls`
[INFO] [stderr]     Updating git submodule `https://github.com/sigp/incubator-milagro-crypto-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethereum-types v0.9.1
[INFO] [stderr]   Downloaded ethbloom v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84da1df32be771a69418054a703969a15aa8d5087739544a6a90a8bae0720323
[INFO] running `Command { std: "docker" "start" "-a" "84da1df32be771a69418054a703969a15aa8d5087739544a6a90a8bae0720323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84da1df32be771a69418054a703969a15aa8d5087739544a6a90a8bae0720323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84da1df32be771a69418054a703969a15aa8d5087739544a6a90a8bae0720323", kill_on_drop: false }`
[INFO] [stdout] 84da1df32be771a69418054a703969a15aa8d5087739544a6a90a8bae0720323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9cf0a01b7a8e19e6768de067dcb46f966266a0a2c1fbb226ca9ba5f368b1660c
[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" "9cf0a01b7a8e19e6768de067dcb46f966266a0a2c1fbb226ca9ba5f368b1660c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking amcl v0.2.0 (https://github.com/sigp/milagro_bls?tag=v1.0.1#2ccdd4b5)
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking milagro_bls v1.0.1 (https://github.com/sigp/milagro_bls?tag=v1.0.1#2ccdd4b5)
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking ethbloom v0.9.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking tokio v0.2.18
[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-0.2.18/src/fs/read_dir.rs:240:6
[INFO] [stdout]     |
[INFO] [stdout] 240 | 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`
[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" "9cf0a01b7a8e19e6768de067dcb46f966266a0a2c1fbb226ca9ba5f368b1660c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf0a01b7a8e19e6768de067dcb46f966266a0a2c1fbb226ca9ba5f368b1660c", kill_on_drop: false }`
[INFO] [stdout] 9cf0a01b7a8e19e6768de067dcb46f966266a0a2c1fbb226ca9ba5f368b1660c