[INFO] fetching crate desk-logind 1.1.0...
[INFO] documenting desk-logind-1.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate desk-logind 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate desk-logind 1.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desk-logind 1.1.0
[INFO] finished tweaking crates.io crate desk-logind 1.1.0
[INFO] tweaked toml for crates.io crate desk-logind 1.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 1105b1b95682f0512260430e5385dd5939541a527c2095b24c55f7c1f69f20a2
[INFO] running `Command { std: "docker" "start" "-a" "1105b1b95682f0512260430e5385dd5939541a527c2095b24c55f7c1f69f20a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1105b1b95682f0512260430e5385dd5939541a527c2095b24c55f7c1f69f20a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1105b1b95682f0512260430e5385dd5939541a527c2095b24c55f7c1f69f20a2", kill_on_drop: false }`
[INFO] [stdout] 1105b1b95682f0512260430e5385dd5939541a527c2095b24c55f7c1f69f20a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c15a55b15927154ae902678749b6cfe42c14ba369468a7bd014e81c6fbfe064
[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" "3c15a55b15927154ae902678749b6cfe42c14ba369468a7bd014e81c6fbfe064", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]  Documenting desk-logind v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(backtrace)]
[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 `desk-logind`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name desk_logind 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 dbus=/opt/rustwide/target/debug/deps/libdbus-a465e8c07285d5bb.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-a814360e6ed26198.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-908965a7706074a3.rmeta --cap-lints=warn --crate-version 1.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "3c15a55b15927154ae902678749b6cfe42c14ba369468a7bd014e81c6fbfe064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c15a55b15927154ae902678749b6cfe42c14ba369468a7bd014e81c6fbfe064", kill_on_drop: false }`
[INFO] [stdout] 3c15a55b15927154ae902678749b6cfe42c14ba369468a7bd014e81c6fbfe064
