[INFO] fetching crate buildkit-proto 0.2.0... [INFO] testing buildkit-proto-0.2.0 against beta-2021-09-12 for beta-1.56-2 [INFO] extracting crate buildkit-proto 0.2.0 into /workspace/builds/worker-91/source [INFO] validating manifest of crates.io crate buildkit-proto 0.2.0 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 crates.io crate buildkit-proto 0.2.0 [INFO] finished tweaking crates.io crate buildkit-proto 0.2.0 [INFO] tweaked toml for crates.io crate buildkit-proto 0.2.0 written to /workspace/builds/worker-91/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] a7a9d553f882a3db0f08547d1099b87f2cb429bc77e93049de65616bfe557e88 [INFO] running `Command { std: "docker" "start" "-a" "a7a9d553f882a3db0f08547d1099b87f2cb429bc77e93049de65616bfe557e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7a9d553f882a3db0f08547d1099b87f2cb429bc77e93049de65616bfe557e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7a9d553f882a3db0f08547d1099b87f2cb429bc77e93049de65616bfe557e88", kill_on_drop: false }` [INFO] [stdout] a7a9d553f882a3db0f08547d1099b87f2cb429bc77e93049de65616bfe557e88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 3d2e98b656607f69700690a7db3295a0839f3776487b8ffa0a2791b8b38455d8 [INFO] running `Command { std: "docker" "start" "-a" "3d2e98b656607f69700690a7db3295a0839f3776487b8ffa0a2791b8b38455d8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling tower-layer v0.3.1 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling tracing-core v0.1.20 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling http v0.2.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling tracing-attributes v0.1.16 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tower-ready-cache v0.3.1 [INFO] [stderr] Compiling tower-make v0.3.0 [INFO] [stderr] Compiling tokio-util v0.2.0 [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` [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 + $crate::quote_each_token!(_s $($tt)*); [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 + $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" "3d2e98b656607f69700690a7db3295a0839f3776487b8ffa0a2791b8b38455d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d2e98b656607f69700690a7db3295a0839f3776487b8ffa0a2791b8b38455d8", kill_on_drop: false }` [INFO] [stdout] 3d2e98b656607f69700690a7db3295a0839f3776487b8ffa0a2791b8b38455d8