[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] 27f18b48d1b3399060d1f79ce2741822d53526f6
[INFO] documenting desbma/polybar-modules 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%2Fdesbma%2Fpolybar-modules" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/desbma/polybar-modules 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/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-13/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dea68bfe4e037f0a14ce221ceee6f59b4df4261bc9bb203fdd515eff37d9f81
[INFO] running `Command { std: "docker" "start" "-a" "7dea68bfe4e037f0a14ce221ceee6f59b4df4261bc9bb203fdd515eff37d9f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dea68bfe4e037f0a14ce221ceee6f59b4df4261bc9bb203fdd515eff37d9f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dea68bfe4e037f0a14ce221ceee6f59b4df4261bc9bb203fdd515eff37d9f81", kill_on_drop: false }`
[INFO] [stdout] 7dea68bfe4e037f0a14ce221ceee6f59b4df4261bc9bb203fdd515eff37d9f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 438bcc88d14891c9e6dc2d2e00efb7e854d9240417abbd74c548ce83ea58c938
[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" "438bcc88d14891c9e6dc2d2e00efb7e854d9240417abbd74c548ce83ea58c938", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling sysinfo v0.17.3 (https://github.com/desbma/sysinfo#785fc63b)
[INFO] [stderr]     Checking bounded-vec-deque v0.1.1
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking signal-hook v0.3.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking simple_logger v1.12.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio v1.9.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking async-compression v0.3.8
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking syncthing v0.4.2
[INFO] [stderr]  Documenting polybar-modules v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `polybar-modules`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[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 --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-c71486e08dde7454.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-d369aa7ed23f5c64.rmeta --extern bounded_vec_deque=/opt/rustwide/target/debug/deps/libbounded_vec_deque-5ca211dbac3572bb.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-0fe22fa3b8e542a6.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-dd005bda8a71734d.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f87d12041efa972b.rmeta --extern macaddr=/opt/rustwide/target/debug/deps/libmacaddr-5bd802195e252f6f.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-cfa1838405b3aba1.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-8524ac632c1d0c7e.rmeta --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-07df13129dcb46ac.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-46bf5b535d6b6b09.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-008b5eb3288c8499.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-eeaa4994dda041d9.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-171638c13ab6923c.rmeta --extern shellexpand=/opt/rustwide/target/debug/deps/libshellexpand-85e6f7ffcdbcb9e8.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-6b3f32220dc7f68a.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-82510b2a217f13e6.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-e9ca4ee109ed1827.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-e99c7d517ba44b40.rmeta --extern syncthing=/opt/rustwide/target/debug/deps/libsyncthing-005112dc5188962a.rmeta --extern sysinfo=/opt/rustwide/target/debug/deps/libsysinfo-e44401256bd212bd.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-0ab79a416b3dd557.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-a08a235c75725d5e.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-9532df82782d441c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "438bcc88d14891c9e6dc2d2e00efb7e854d9240417abbd74c548ce83ea58c938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438bcc88d14891c9e6dc2d2e00efb7e854d9240417abbd74c548ce83ea58c938", kill_on_drop: false }`
[INFO] [stdout] 438bcc88d14891c9e6dc2d2e00efb7e854d9240417abbd74c548ce83ea58c938
