[INFO] cloning repository https://github.com/liujiayu2/libp2p-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liujiayu2/libp2p-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliujiayu2%2Flibp2p-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliujiayu2%2Flibp2p-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fd8a49aeb343cae337dfbf206de85639895538c
[INFO] testing liujiayu2/libp2p-chat against beta-2021-09-12 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliujiayu2%2Flibp2p-chat" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liujiayu2/libp2p-chat on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liujiayu2/libp2p-chat
[INFO] finished tweaking git repo https://github.com/liujiayu2/libp2p-chat
[INFO] tweaked toml for git repo https://github.com/liujiayu2/libp2p-chat written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/liujiayu2/libp2p-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multihash v0.10.1
[INFO] [stderr]   Downloaded libp2p-pnet v0.18.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.18.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.18.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.18.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.18.0
[INFO] [stderr]   Downloaded libp2p-ping v0.18.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.18.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.18.0
[INFO] [stderr]   Downloaded libp2p-dns v0.18.0
[INFO] [stderr]   Downloaded libp2p-noise v0.18.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.8.0
[INFO] [stderr]   Downloaded libp2p-identify v0.18.0
[INFO] [stderr]   Downloaded libp2p-core v0.18.0
[INFO] [stderr]   Downloaded libp2p-kad v0.18.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.18.1
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.18.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.18.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.18.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.18.0
[INFO] [stderr]   Downloaded libp2p-secio v0.18.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.18.0
[INFO] [stderr]   Downloaded libp2p v0.18.1
[INFO] [stderr]   Downloaded multistream-select v0.8.0
[INFO] [stderr]   Downloaded libp2p-uds v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c910b92c2b5eac6854e87578e76c6e1d514e4bbf64ebfedac23a44bf73b2d7a
[INFO] running `Command { std: "docker" "start" "-a" "7c910b92c2b5eac6854e87578e76c6e1d514e4bbf64ebfedac23a44bf73b2d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c910b92c2b5eac6854e87578e76c6e1d514e4bbf64ebfedac23a44bf73b2d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c910b92c2b5eac6854e87578e76c6e1d514e4bbf64ebfedac23a44bf73b2d7a", kill_on_drop: false }`
[INFO] [stdout] 7c910b92c2b5eac6854e87578e76c6e1d514e4bbf64ebfedac23a44bf73b2d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b2b3e7f882d019301496e70efab8c7f82ed0a416dfbccfcef1294132dad88a0
[INFO] running `Command { std: "docker" "start" "-a" "3b2b3e7f882d019301496e70efab8c7f82ed0a416dfbccfcef1294132dad88a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling bs58 v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling indexmap v1.3.2
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[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
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[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling twofish v0.2.0
[INFO] [stderr]    Compiling salsa20-core v0.2.3
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling salsa20 v0.3.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling lru v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.18.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.6.1/src/lib.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |             .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] 107 ~         let tags = Iterator::intersperse(field
[INFO] [stdout] 108 +             .tags()
[INFO] [stdout] 109 +             .into_iter()
[INFO] [stdout] 110 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 111 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 112 +         let _span: $crate::__private::Span = $span;
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 107 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 108 +             .tags()
[INFO] [stdout] 109 +             .into_iter()
[INFO] [stdout] 110 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 111 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 112 +         let _span: $crate::__private::Span = $span;
[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" "3b2b3e7f882d019301496e70efab8c7f82ed0a416dfbccfcef1294132dad88a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2b3e7f882d019301496e70efab8c7f82ed0a416dfbccfcef1294132dad88a0", kill_on_drop: false }`
[INFO] [stdout] 3b2b3e7f882d019301496e70efab8c7f82ed0a416dfbccfcef1294132dad88a0