[INFO] cloning repository https://github.com/avranju/watch-rust-errors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avranju/watch-rust-errors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fwatch-rust-errors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fwatch-rust-errors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a60650316b45383cbcf1ac8aecf092630109641
[INFO] documenting avranju/watch-rust-errors against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fwatch-rust-errors" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avranju/watch-rust-errors 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/avranju/watch-rust-errors
[INFO] finished tweaking git repo https://github.com/avranju/watch-rust-errors
[INFO] tweaked toml for git repo https://github.com/avranju/watch-rust-errors written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/avranju/watch-rust-errors 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]     Updating git repository `https://github.com/avranju/vgtk.git`
[INFO] [stderr]     Updating git repository `https://github.com/avranju/watchexec`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.8
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded gio v0.8.0
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded gdk v0.12.0
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded gtk v0.8.0
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded cairo-rs v0.8.0
[INFO] [stderr]   Downloaded notify v4.0.14
[INFO] [stderr]   Downloaded glib v0.9.0
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded gtk-rs-lgpl-docs v0.1.15
[INFO] [stderr]   Downloaded rustdoc-stripper v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1d03c18e895a296799e5bf499b2f0afa7aaa8eb725ed17d2396c0e5609a60883
[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" "1d03c18e895a296799e5bf499b2f0afa7aaa8eb725ed17d2396c0e5609a60883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d03c18e895a296799e5bf499b2f0afa7aaa8eb725ed17d2396c0e5609a60883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d03c18e895a296799e5bf499b2f0afa7aaa8eb725ed17d2396c0e5609a60883", kill_on_drop: false }`
[INFO] [stdout] 1d03c18e895a296799e5bf499b2f0afa7aaa8eb725ed17d2396c0e5609a60883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca7bf424773ca30c7e143be6f6d50800df6ff3b9df4408823d614c73525af16
[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" "7ca7bf424773ca30c7e143be6f6d50800df6ff3b9df4408823d614c73525af16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.9
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling gtk-rs-lgpl-docs v0.1.15
[INFO] [stderr]    Compiling gio v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.0
[INFO] [stderr]    Compiling gtk v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking glib-sys v0.9.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking atty v0.2.13
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[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking gobject-sys v0.9.1
[INFO] [stderr]     Checking cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking gio-sys v0.9.1
[INFO] [stderr]     Checking pango-sys v0.9.1
[INFO] [stderr]     Checking atk-sys v0.9.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.9.1
[INFO] [stderr]     Checking gdk-sys v0.9.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking gtk-sys v0.9.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking glib v0.9.0
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking watchexec v1.12.0 (https://github.com/avranju/watchexec?branch=lib-support#153560f4)
[INFO] [stderr]     Checking pango v0.8.0
[INFO] [stderr]     Checking atk v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.17.2/src/message/horiz.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .intersperse(self.separate)
[INFO] [stdout]    |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::iter::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] 19 ~         Iterator::intersperse(self.items
[INFO] [stdout] 20 +             .iter()
[INFO] [stdout] 21 +             .map(|c| c.min_width()), self.separate)
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 19 ~         Itertools::intersperse(self.items
[INFO] [stdout] 20 +             .iter()
[INFO] [stdout] 21 +             .map(|c| c.min_width()), self.separate)
[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 `lalrpop` 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" "7ca7bf424773ca30c7e143be6f6d50800df6ff3b9df4408823d614c73525af16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca7bf424773ca30c7e143be6f6d50800df6ff3b9df4408823d614c73525af16", kill_on_drop: false }`
[INFO] [stdout] 7ca7bf424773ca30c7e143be6f6d50800df6ff3b9df4408823d614c73525af16