[INFO] fetching crate intiface-cli 39.0.0...
[INFO] documenting intiface-cli-39.0.0 against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] extracting crate intiface-cli 39.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate intiface-cli 39.0.0 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] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate intiface-cli 39.0.0
[INFO] finished tweaking crates.io crate intiface-cli 39.0.0
[INFO] tweaked toml for crates.io crate intiface-cli 39.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate intiface-cli 39.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 662fe4a74a0bd50686f3cf1941e4ae768ec189e4b69a86e0adb0064a735b1188
[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" "662fe4a74a0bd50686f3cf1941e4ae768ec189e4b69a86e0adb0064a735b1188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "662fe4a74a0bd50686f3cf1941e4ae768ec189e4b69a86e0adb0064a735b1188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662fe4a74a0bd50686f3cf1941e4ae768ec189e4b69a86e0adb0064a735b1188", kill_on_drop: false }`
[INFO] [stdout] 662fe4a74a0bd50686f3cf1941e4ae768ec189e4b69a86e0adb0064a735b1188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9f967a58ef499f90ebc6af0c7493ebd0bfe52ef621f94dc471d7c950896a176
[INFO] running `Command { std: "docker" "start" "-a" "a9f967a58ef499f90ebc6af0c7493ebd0bfe52ef621f94dc471d7c950896a176", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.62
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling hidapi v1.2.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking futures-channel v0.3.15
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[INFO] [stderr]    Compiling rustc_version v0.3.3
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[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling valico v3.6.0
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling dbus-codegen v0.9.1
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]    Compiling btleplug v0.7.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling buttplug_derive v0.6.2
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling displaydoc v0.2.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[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" "a9f967a58ef499f90ebc6af0c7493ebd0bfe52ef621f94dc471d7c950896a176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f967a58ef499f90ebc6af0c7493ebd0bfe52ef621f94dc471d7c950896a176", kill_on_drop: false }`
[INFO] [stdout] a9f967a58ef499f90ebc6af0c7493ebd0bfe52ef621f94dc471d7c950896a176