[INFO] fetching crate nip_core 0.2.1...
[INFO] documenting nip_core-0.2.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate nip_core 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nip_core 0.2.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nip_core 0.2.1
[INFO] finished tweaking crates.io crate nip_core 0.2.1
[INFO] tweaked toml for crates.io crate nip_core 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 4c867138b2f880f28fd91ab87bbe394ae2a1114e717efe004aeab8b6038066e2
[INFO] running `Command { std: "docker" "start" "-a" "4c867138b2f880f28fd91ab87bbe394ae2a1114e717efe004aeab8b6038066e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c867138b2f880f28fd91ab87bbe394ae2a1114e717efe004aeab8b6038066e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c867138b2f880f28fd91ab87bbe394ae2a1114e717efe004aeab8b6038066e2", kill_on_drop: false }`
[INFO] [stdout] 4c867138b2f880f28fd91ab87bbe394ae2a1114e717efe004aeab8b6038066e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf2477facb25f7e4367522f453cb391659a7df5c28f54293551d2f76d0b2aea
[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" "aaf2477facb25f7e4367522f453cb391659a7df5c28f54293551d2f76d0b2aea", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking multihash v0.10.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking common-multipart-rfc7578 v0.1.2
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking cid v0.3.2
[INFO] [stderr]     Checking multiaddr v0.3.1
[INFO] [stdout] error[E0277]: the trait bound `cid::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/multiaddr-0.3.1/src/errors.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Error::ParsingError(err.into())
[INFO] [stdout]    |                                 ^^^^ the trait `std::error::Error` is not implemented for `cid::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::From<cid::Error>` for `std::boxed::Box<dyn std::error::Error + std::marker::Send + std::marker::Sync>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::Into<std::boxed::Box<dyn std::error::Error + std::marker::Send + std::marker::Sync>>` for `cid::Error`
[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 `multiaddr`.
[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" "aaf2477facb25f7e4367522f453cb391659a7df5c28f54293551d2f76d0b2aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf2477facb25f7e4367522f453cb391659a7df5c28f54293551d2f76d0b2aea", kill_on_drop: false }`
[INFO] [stdout] aaf2477facb25f7e4367522f453cb391659a7df5c28f54293551d2f76d0b2aea