[INFO] fetching crate kwarg_macros 0.0.6...
[INFO] documenting kwarg_macros-0.0.6 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate kwarg_macros 0.0.6 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate kwarg_macros 0.0.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kwarg_macros 0.0.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kwarg_macros 0.0.6
[INFO] tweaked toml for crates.io crate kwarg_macros 0.0.6 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c81bd933f31c5e39b0daa1020ec37ba94e110034898bc7b991d6af6b5a8552e
[INFO] running `Command { std: "docker" "start" "-a" "1c81bd933f31c5e39b0daa1020ec37ba94e110034898bc7b991d6af6b5a8552e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c81bd933f31c5e39b0daa1020ec37ba94e110034898bc7b991d6af6b5a8552e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c81bd933f31c5e39b0daa1020ec37ba94e110034898bc7b991d6af6b5a8552e", kill_on_drop: false }`
[INFO] [stdout] 1c81bd933f31c5e39b0daa1020ec37ba94e110034898bc7b991d6af6b5a8552e
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0d1ee82d9a323eed7dd27dac1ba954428f02c6d699d231eaf91d1e3ff762b5
[INFO] running `Command { std: "docker" "start" "-a" "eb0d1ee82d9a323eed7dd27dac1ba954428f02c6d699d231eaf91d1e3ff762b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting kwarg_macros v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(quote, plugin_registrar)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `kwarg_macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name kwarg_macros src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "eb0d1ee82d9a323eed7dd27dac1ba954428f02c6d699d231eaf91d1e3ff762b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0d1ee82d9a323eed7dd27dac1ba954428f02c6d699d231eaf91d1e3ff762b5", kill_on_drop: false }`
[INFO] [stdout] eb0d1ee82d9a323eed7dd27dac1ba954428f02c6d699d231eaf91d1e3ff762b5
