[INFO] cloning repository https://github.com/gridgentoo/linkerd2-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gridgentoo/linkerd2-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7a8ee98c63b6729e02f54a5182a9b7f56695922
[INFO] checking gridgentoo/linkerd2-proxy against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gridgentoo/linkerd2-proxy on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gridgentoo/linkerd2-proxy
[INFO] finished tweaking git repo https://github.com/gridgentoo/linkerd2-proxy
[INFO] tweaked toml for git repo https://github.com/gridgentoo/linkerd2-proxy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gridgentoo/linkerd2-proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1f7b8746cd9afd9116c956fb1a0d4a7d5b7631b74715b924dc9f917ec330e8e
[INFO] running `Command { std: "docker" "start" "-a" "a1f7b8746cd9afd9116c956fb1a0d4a7d5b7631b74715b924dc9f917ec330e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f7b8746cd9afd9116c956fb1a0d4a7d5b7631b74715b924dc9f917ec330e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f7b8746cd9afd9116c956fb1a0d4a7d5b7631b74715b924dc9f917ec330e8e", kill_on_drop: false }`
[INFO] [stdout] a1f7b8746cd9afd9116c956fb1a0d4a7d5b7631b74715b924dc9f917ec330e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2baf7d8cf68409a53b6a0f3ee94b8fc42ce0e55332843c3f66930fc12049163
[INFO] running `Command { std: "docker" "start" "-a" "b2baf7d8cf68409a53b6a0f3ee94b8fc42ce0e55332843c3f66930fc12049163", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling pin-project-internal v0.4.22
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
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[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling crc v1.7.0
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[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking thread_local v0.2.7
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[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking regex v1.3.9
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[INFO] [stderr]     Checking matchers v0.0.1
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[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking webpki v0.21.2 (https://github.com/linkerd/webpki?branch=cert-dns-names-0.21#bb241f5b)
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking linkerd2-dns-name v0.1.0 (/opt/rustwide/workdir/linkerd/dns/name)
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking linkerd2-addr v0.1.0 (/opt/rustwide/workdir/linkerd/addr)
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[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::__rt::TokenStream::new();
[INFO] [stdout] 112 +         let _span: $crate::__rt::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::__rt::TokenStream::new();
[INFO] [stdout] 112 +         let _span: $crate::__rt::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" "b2baf7d8cf68409a53b6a0f3ee94b8fc42ce0e55332843c3f66930fc12049163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2baf7d8cf68409a53b6a0f3ee94b8fc42ce0e55332843c3f66930fc12049163", kill_on_drop: false }`
[INFO] [stdout] b2baf7d8cf68409a53b6a0f3ee94b8fc42ce0e55332843c3f66930fc12049163