[INFO] fetching crate tendermint-light-node 0.19.0...
[INFO] checking tendermint-light-node-0.19.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate tendermint-light-node 0.19.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tendermint-light-node 0.19.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tendermint-light-node 0.19.0
[INFO] finished tweaking crates.io crate tendermint-light-node 0.19.0
[INFO] tweaked toml for crates.io crate tendermint-light-node 0.19.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tendermint-light-node 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abscissa_core v0.5.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.1.6
[INFO] [stderr]   Downloaded jsonrpc-pubsub v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-core v17.0.0
[INFO] [stderr]   Downloaded contracts v0.4.0
[INFO] [stderr]   Downloaded jsonrpc-derive v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v17.0.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v17.0.0
[INFO] [stderr]   Downloaded tendermint-rpc v0.19.0
[INFO] [stderr]   Downloaded tendermint-light-client v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c961b86ceba2c0db2c20974549686f2e1f50a7ea7f78e8ceaaf2bef42fb5b1d
[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" "0c961b86ceba2c0db2c20974549686f2e1f50a7ea7f78e8ceaaf2bef42fb5b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c961b86ceba2c0db2c20974549686f2e1f50a7ea7f78e8ceaaf2bef42fb5b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c961b86ceba2c0db2c20974549686f2e1f50a7ea7f78e8ceaaf2bef42fb5b1d", kill_on_drop: false }`
[INFO] [stdout] 0c961b86ceba2c0db2c20974549686f2e1f50a7ea7f78e8ceaaf2bef42fb5b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--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] 34850f7e6d8f7f0f4218e5d37f26d079152da167a18bba97ae5353dcecf68671
[INFO] running `Command { std: "docker" "start" "-a" "34850f7e6d8f7f0f4218e5d37f26d079152da167a18bba97ae5353dcecf68671", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.68
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking canonical-path v2.0.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
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[INFO] [stderr]     Checking generational-arena v0.2.8
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[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking pretty_assertions v0.6.1
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[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.61
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
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[INFO] [stderr]     Checking sct v0.6.0
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[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling contracts v0.4.0
[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" "34850f7e6d8f7f0f4218e5d37f26d079152da167a18bba97ae5353dcecf68671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34850f7e6d8f7f0f4218e5d37f26d079152da167a18bba97ae5353dcecf68671", kill_on_drop: false }`
[INFO] [stdout] 34850f7e6d8f7f0f4218e5d37f26d079152da167a18bba97ae5353dcecf68671