[INFO] cloning repository https://github.com/da-kami/rendezvous-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/da-kami/rendezvous-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fda-kami%2Frendezvous-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fda-kami%2Frendezvous-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3a861a3df4cc19c38f2a649798d555dae2bf9e6
[INFO] documenting da-kami/rendezvous-client against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fda-kami%2Frendezvous-client" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/da-kami/rendezvous-client on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/da-kami/rendezvous-client
[INFO] finished tweaking git repo https://github.com/da-kami/rendezvous-client
[INFO] tweaked toml for git repo https://github.com/da-kami/rendezvous-client written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/da-kami/rendezvous-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/comit-network/rust-libp2p.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b82ee7d9d0b561e596616c26f30f5f30da1f6a7d03092d249f453e80ebf4e0
[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" "e8b82ee7d9d0b561e596616c26f30f5f30da1f6a7d03092d249f453e80ebf4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b82ee7d9d0b561e596616c26f30f5f30da1f6a7d03092d249f453e80ebf4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b82ee7d9d0b561e596616c26f30f5f30da1f6a7d03092d249f453e80ebf4e0", kill_on_drop: false }`
[INFO] [stdout] e8b82ee7d9d0b561e596616c26f30f5f30da1f6a7d03092d249f453e80ebf4e0
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 6ab3c92d6e958463ce5591563782d3667a3a1c0ed4d770fd697261da401d3463
[INFO] running `Command { std: "docker" "start" "-a" "6ab3c92d6e958463ce5591563782d3667a3a1c0ed4d770fd697261da401d3463", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking bimap v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking aead v0.4.1
[INFO] [stderr]     Checking libsecp256k1-core v0.2.1
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking polyval v0.5.1
[INFO] [stderr]     Checking poly1305 v0.7.0
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ghash v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aes-gcm v0.9.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.0
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.23.0 (https://github.com/comit-network/rust-libp2p.git?branch=rendezvous#4af8af78)
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking futures-rustls v0.21.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.7.0/src/lib.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |             .intersperse(quote!(|));
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 105 ~         let tags = Iterator::intersperse(field
[INFO] [stdout] 106 +             .tags()
[INFO] [stdout] 107 +             .into_iter()
[INFO] [stdout] 108 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 109 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 110 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 105 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 106 +             .tags()
[INFO] [stdout] 107 +             .into_iter()
[INFO] [stdout] 108 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 109 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 110 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-derive` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ab3c92d6e958463ce5591563782d3667a3a1c0ed4d770fd697261da401d3463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab3c92d6e958463ce5591563782d3667a3a1c0ed4d770fd697261da401d3463", kill_on_drop: false }`
[INFO] [stdout] 6ab3c92d6e958463ce5591563782d3667a3a1c0ed4d770fd697261da401d3463