[INFO] cloning repository https://github.com/desbma/polybar-modules
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/desbma/polybar-modules" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesbma%2Fpolybar-modules", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesbma%2Fpolybar-modules'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecb6c5757812c33773f44f4742cdc750a636ab0
[INFO] documenting desbma/polybar-modules against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesbma%2Fpolybar-modules" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/desbma/polybar-modules on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/desbma/polybar-modules
[INFO] finished tweaking git repo https://github.com/desbma/polybar-modules
[INFO] tweaked toml for git repo https://github.com/desbma/polybar-modules written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/desbma/polybar-modules already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded bounded-vec-deque v0.1.1
[INFO] [stderr]   Downloaded filetime v0.2.16
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.1
[INFO] [stderr]   Downloaded async-compression v0.3.13
[INFO] [stderr]   Downloaded vte v0.10.1
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded sysinfo v0.17.5
[INFO] [stderr]   Downloaded syncthing v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34c422cecc4efb29e5d43b044a5b2dd364c7cd5095aac95ab5bdfdf41e3f8399
[INFO] running `Command { std: "docker" "start" "-a" "34c422cecc4efb29e5d43b044a5b2dd364c7cd5095aac95ab5bdfdf41e3f8399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c422cecc4efb29e5d43b044a5b2dd364c7cd5095aac95ab5bdfdf41e3f8399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c422cecc4efb29e5d43b044a5b2dd364c7cd5095aac95ab5bdfdf41e3f8399", kill_on_drop: false }`
[INFO] [stdout] 34c422cecc4efb29e5d43b044a5b2dd364c7cd5095aac95ab5bdfdf41e3f8399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 444ec34cb562573693088c049a9136d28ac4003ea6408b4c7a20d061ed4fff7b
[INFO] running `Command { std: "docker" "start" "-a" "444ec34cb562573693088c049a9136d28ac4003ea6408b4c7a20d061ed4fff7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling sysinfo v0.17.5
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking bounded-vec-deque v0.1.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking async-compression v0.3.13
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking syncthing v0.4.2
[INFO] [stderr]  Documenting polybar-modules v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `polybar-modules`
[INFO] [stderr] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name polybar_modules src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6163608270984ade -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-60a940058f0f8ed7.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-9b123823b2a15fc3.rmeta --extern bounded_vec_deque=/opt/rustwide/target/debug/deps/libbounded_vec_deque-4b8384c2ddcb3e9e.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-7a306a0dfb26b604.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-ad7a2bc260eeb594.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c4fe93aa6fe7c29c.rmeta --extern macaddr=/opt/rustwide/target/debug/deps/libmacaddr-57a9e541fee8f2f8.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-384369ea539f2a8c.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-12d5899e49a95d0a.rmeta --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-81b7ca5561021d7a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-6f05a460e7f44d13.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-07222630f92df540.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-31c5c41880829e89.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a8a63d5f9c7938c8.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-fa20d341a6fe8016.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-6e351aa13525b0c3.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-d9cc177e6ef87c91.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-a00880591cec9117.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-68fdd695bf92aedb.rmeta --extern syncthing=/opt/rustwide/target/debug/deps/libsyncthing-383677a2648a7ce2.rmeta --extern sysinfo=/opt/rustwide/target/debug/deps/libsysinfo-60bf187f2c421828.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-65b83aca1456fa52.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-31f8f9d6f35f816d.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-1f2c28d09442f972.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "444ec34cb562573693088c049a9136d28ac4003ea6408b4c7a20d061ed4fff7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444ec34cb562573693088c049a9136d28ac4003ea6408b4c7a20d061ed4fff7b", kill_on_drop: false }`
[INFO] [stdout] 444ec34cb562573693088c049a9136d28ac4003ea6408b4c7a20d061ed4fff7b