[INFO] cloning repository https://github.com/mre/freq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mre/freq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb5bc3561835dd0bacca27f717c969f9609d03a
[INFO] documenting mre/freq against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Ffreq" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mre/freq on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mre/freq
[INFO] finished tweaking git repo https://github.com/mre/freq
[INFO] tweaked toml for git repo https://github.com/mre/freq written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mre/freq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5213a85419988b1c9f83318fab586d7af62b796de6b10cb7757b88156bebe178
[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" "5213a85419988b1c9f83318fab586d7af62b796de6b10cb7757b88156bebe178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5213a85419988b1c9f83318fab586d7af62b796de6b10cb7757b88156bebe178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5213a85419988b1c9f83318fab586d7af62b796de6b10cb7757b88156bebe178", kill_on_drop: false }`
[INFO] [stdout] 5213a85419988b1c9f83318fab586d7af62b796de6b10cb7757b88156bebe178
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 52153afb6dc18ad4ed831dce665cca55de357bb8092e68e311d14ffd8ac8a02a
[INFO] running `Command { std: "docker" "start" "-a" "52153afb6dc18ad4ed831dce665cca55de357bb8092e68e311d14ffd8ac8a02a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking tokio v1.2.0
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking stop-words v0.4.0
[INFO] [stderr]  Documenting freq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item after doc comment
[INFO] [stdout]    --> src/utils/traverse.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | /// Return readers for all matches from a slice of inputs
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `utils::traverse::Input`
[INFO] [stdout]   --> src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub use utils::traverse::Input;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ no `Input` in `utils::traverse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `freq`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name freq 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 --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-2bb0455753a8f12d.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-833447192027bbdf.rmeta --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-36edabaf834ab0f6.so --extern glob=/opt/rustwide/target/debug/deps/libglob-dd005bda8a71734d.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-edcadb5581f67864.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8f2112ee6a03e4f9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-25d6dbab722f491f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6633aef68298c6c9.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-172fd004e5e555ed.rmeta --extern stop_words=/opt/rustwide/target/debug/deps/libstop_words-a7d29a7821649d26.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-506870f99ab1f592.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-8375ecc8a2498820.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0b71882e25eceac7.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-80bba47b3c04a2d7.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-52dc7082e28e3b25.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "52153afb6dc18ad4ed831dce665cca55de357bb8092e68e311d14ffd8ac8a02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52153afb6dc18ad4ed831dce665cca55de357bb8092e68e311d14ffd8ac8a02a", kill_on_drop: false }`
[INFO] [stdout] 52153afb6dc18ad4ed831dce665cca55de357bb8092e68e311d14ffd8ac8a02a
