[INFO] cloning repository https://github.com/leeola/prost-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leeola/prost-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeola%2Fprost-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeola%2Fprost-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd2999d7a38b2e2da93904a41747c369fb510de7
[INFO] testing leeola/prost-test against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeola%2Fprost-test" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leeola/prost-test 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] started tweaking git repo https://github.com/leeola/prost-test
[INFO] finished tweaking git repo https://github.com/leeola/prost-test
[INFO] tweaked toml for git repo https://github.com/leeola/prost-test written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/leeola/prost-test 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]     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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 3debb4a26c7190ecf8e952d1cba80fc8dd64f42e1ae1f294b31d5791e07a174e
[INFO] running `Command { std: "docker" "start" "-a" "3debb4a26c7190ecf8e952d1cba80fc8dd64f42e1ae1f294b31d5791e07a174e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3debb4a26c7190ecf8e952d1cba80fc8dd64f42e1ae1f294b31d5791e07a174e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3debb4a26c7190ecf8e952d1cba80fc8dd64f42e1ae1f294b31d5791e07a174e", kill_on_drop: false }`
[INFO] [stdout] 3debb4a26c7190ecf8e952d1cba80fc8dd64f42e1ae1f294b31d5791e07a174e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 421d66ebc8a87e6227fa636c780fbff773ff4acd79719e65295151c6011f9543
[INFO] running `Command { std: "docker" "start" "-a" "421d66ebc8a87e6227fa636c780fbff773ff4acd79719e65295151c6011f9543", kill_on_drop: false }`
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[INFO] [stderr]    Compiling prost v0.4.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.3.22
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[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-fs v0.1.4
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[INFO] [stderr]    Compiling h2 v0.1.14
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[INFO] [stderr]    Compiling serde_json v1.0.34
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[INFO] [stderr]    Compiling prost-derive v0.3.2
[INFO] [stderr]    Compiling prost-derive 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-0.3.2/src/lib.rs:106:69
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let tags = field.tags().into_iter().map(|tag| quote!(#tag)).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] 106 ~         let tags = Iterator::intersperse(field.tags().into_iter().map(|tag| quote!(#tag)), {
[INFO] [stdout] 107 +             let mut _s = $crate::Tokens::new();
[INFO] [stdout] 108 +             let _span = $span;
[INFO] [stdout] 109 +             quote_each_token!(_s _span $($tt)*);
[INFO] [stdout] 110 +             _s
[INFO] [stdout] 111 ~         });
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 106 ~         let tags = Itertools::intersperse(field.tags().into_iter().map(|tag| quote!(#tag)), {
[INFO] [stdout] 107 +             let mut _s = $crate::Tokens::new();
[INFO] [stdout] 108 +             let _span = $span;
[INFO] [stdout] 109 +             quote_each_token!(_s _span $($tt)*);
[INFO] [stdout] 110 +             _s
[INFO] [stdout] 111 ~         });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.4.0/src/lib.rs:111:69
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let tags = field.tags().into_iter().map(|tag| quote!(#tag)).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] 111 ~         let tags = Iterator::intersperse(field.tags().into_iter().map(|tag| quote!(#tag)), {
[INFO] [stdout] 112 +             let mut _s = $crate::__rt::TokenStream::new();
[INFO] [stdout] 113 +             let _span = $span;
[INFO] [stdout] 114 +             quote_each_token!(_s _span $($tt)*);
[INFO] [stdout] 115 +             _s
[INFO] [stdout] 116 ~         });
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 111 ~         let tags = Itertools::intersperse(field.tags().into_iter().map(|tag| quote!(#tag)), {
[INFO] [stdout] 112 +             let mut _s = $crate::__rt::TokenStream::new();
[INFO] [stdout] 113 +             let _span = $span;
[INFO] [stdout] 114 +             quote_each_token!(_s _span $($tt)*);
[INFO] [stdout] 115 +             _s
[INFO] [stdout] 116 ~         });
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "421d66ebc8a87e6227fa636c780fbff773ff4acd79719e65295151c6011f9543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421d66ebc8a87e6227fa636c780fbff773ff4acd79719e65295151c6011f9543", kill_on_drop: false }`
[INFO] [stdout] 421d66ebc8a87e6227fa636c780fbff773ff4acd79719e65295151c6011f9543