[INFO] cloning repository https://github.com/benma/cargo-vendor-git-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benma/cargo-vendor-git-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenma%2Fcargo-vendor-git-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenma%2Fcargo-vendor-git-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4c722278da9f7f45e68ecff13c13e951ea0eb09
[INFO] testing benma/cargo-vendor-git-bug 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%2Fbenma%2Fcargo-vendor-git-bug" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benma/cargo-vendor-git-bug 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] removed /workspace/builds/worker-96/source/.cargo/config
[INFO] started tweaking git repo https://github.com/benma/cargo-vendor-git-bug
[INFO] finished tweaking git repo https://github.com/benma/cargo-vendor-git-bug
[INFO] tweaked toml for git repo https://github.com/benma/cargo-vendor-git-bug written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/benma/cargo-vendor-git-bug 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/danburkert/prost.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 53bb4c2dd0adbadd839f7fe280c9d1140cdafc56b8518cbe17561c9bc9e9f24f
[INFO] running `Command { std: "docker" "start" "-a" "53bb4c2dd0adbadd839f7fe280c9d1140cdafc56b8518cbe17561c9bc9e9f24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53bb4c2dd0adbadd839f7fe280c9d1140cdafc56b8518cbe17561c9bc9e9f24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bb4c2dd0adbadd839f7fe280c9d1140cdafc56b8518cbe17561c9bc9e9f24f", kill_on_drop: false }`
[INFO] [stdout] 53bb4c2dd0adbadd839f7fe280c9d1140cdafc56b8518cbe17561c9bc9e9f24f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] bc7a417b228cc9d7c3b6584a0972a7a0ca3de93c62d67b75b70e89cb15e9b7a8
[INFO] running `Command { std: "docker" "start" "-a" "bc7a417b228cc9d7c3b6584a0972a7a0ca3de93c62d67b75b70e89cb15e9b7a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling prost-derive v0.6.1 (https://github.com/danburkert/prost.git?rev=6113789f70b69709820becba4242824b4fb3ffec#6113789f)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/prost-efe6b402679e2cb4/6113789/prost-derive/src/lib.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |             .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
[INFO] [stdout] 107 +             .tags()
[INFO] [stdout] 108 +             .into_iter()
[INFO] [stdout] 109 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 110 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 111 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 106 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 107 +             .tags()
[INFO] [stdout] 108 +             .into_iter()
[INFO] [stdout] 109 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 110 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 111 +         $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] running `Command { std: "docker" "inspect" "bc7a417b228cc9d7c3b6584a0972a7a0ca3de93c62d67b75b70e89cb15e9b7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7a417b228cc9d7c3b6584a0972a7a0ca3de93c62d67b75b70e89cb15e9b7a8", kill_on_drop: false }`
[INFO] [stdout] bc7a417b228cc9d7c3b6584a0972a7a0ca3de93c62d67b75b70e89cb15e9b7a8