[INFO] fetching crate mpris 2.0.0-rc2...
[INFO] documenting mpris-2.0.0-rc2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate mpris 2.0.0-rc2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mpris 2.0.0-rc2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpris 2.0.0-rc2
[INFO] finished tweaking crates.io crate mpris 2.0.0-rc2
[INFO] tweaked toml for crates.io crate mpris 2.0.0-rc2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mpris 2.0.0-rc2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.13
[INFO] [stderr]   Downloaded cc v1.0.20
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded ident_case v1.0.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded darling_macro v0.5.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded dbus v0.8.1
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded derive_is_enum_variant v0.1.1
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded from_variants v0.4.0
[INFO] [stderr]   Downloaded darling v0.5.0
[INFO] [stderr]   Downloaded darling_core v0.5.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.13
[INFO] [stderr]   Downloaded from_variants_impl v0.4.0
[INFO] [stderr]   Downloaded enum-kinds v0.4.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a6663bbbc880450d8a0542a371d93888330304de5b3196efc3d04c494894a1b
[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" "7a6663bbbc880450d8a0542a371d93888330304de5b3196efc3d04c494894a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a6663bbbc880450d8a0542a371d93888330304de5b3196efc3d04c494894a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6663bbbc880450d8a0542a371d93888330304de5b3196efc3d04c494894a1b", kill_on_drop: false }`
[INFO] [stdout] 7a6663bbbc880450d8a0542a371d93888330304de5b3196efc3d04c494894a1b
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 723198e12560a980c2feff825f8fa2d4496e594a1a58f3d651642b701feff80a
[INFO] running `Command { std: "docker" "start" "-a" "723198e12560a980c2feff825f8fa2d4496e594a1a58f3d651642b701feff80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.20
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking dbus v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.5.0
[INFO] [stderr]    Compiling darling v0.5.0
[INFO] [stderr]    Compiling from_variants_impl v0.4.0
[INFO] [stderr]     Checking from_variants v0.4.0
[INFO] [stderr]  Documenting mpris v2.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `spec`
[INFO] [stdout]   --> src/player.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | /// **See:** [MPRIS2 MediaPlayer2.Player Specification][spec]
[INFO] [stdout]    |                                                         ^^^^ the module `player` contains no item named `spec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `spec`
[INFO] [stdout]   --> src/player.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | /// [spec]: <https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html>
[INFO] [stdout]    |      ^^^^ the module `player` contains no item named `spec`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `spec`
[INFO] [stdout]   --> src/player.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | /// **See:** [MPRIS2 MediaPlayer2.Player Specification][spec]
[INFO] [stdout]    |                                                         ^^^^ the module `player` contains no item named `spec`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `stop`
[INFO] [stdout]    --> src/player.rs:845:92
[INFO] [stdout]     |
[INFO] [stdout] 845 |     /// MPRIS2 defines [the `Stop` message to only work when the player can be controlled][stop], so that
[INFO] [stdout]     |                                                                                            ^^^^ the module `player` contains no item named `stop`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `stop`
[INFO] [stdout]    --> src/player.rs:849:10
[INFO] [stdout]     |
[INFO] [stdout] 849 |     /// [stop]: https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html#Method:Stop
[INFO] [stdout]     |          ^^^^ the module `player` contains no item named `stop`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.87s
[INFO] running `Command { std: "docker" "inspect" "723198e12560a980c2feff825f8fa2d4496e594a1a58f3d651642b701feff80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723198e12560a980c2feff825f8fa2d4496e594a1a58f3d651642b701feff80a", kill_on_drop: false }`
[INFO] [stdout] 723198e12560a980c2feff825f8fa2d4496e594a1a58f3d651642b701feff80a
