[INFO] fetching crate fltk 0.8.2...
[INFO] documenting fltk-0.8.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate fltk 0.8.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fltk 0.8.2 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk 0.8.2
[INFO] finished tweaking crates.io crate fltk 0.8.2
[INFO] tweaked toml for crates.io crate fltk 0.8.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate fltk 0.8.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 640435fb5ccb3ddf4eed3b20192b97a173a6e2cd192cb916c5350d63e60b119c
[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" "640435fb5ccb3ddf4eed3b20192b97a173a6e2cd192cb916c5350d63e60b119c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640435fb5ccb3ddf4eed3b20192b97a173a6e2cd192cb916c5350d63e60b119c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640435fb5ccb3ddf4eed3b20192b97a173a6e2cd192cb916c5350d63e60b119c", kill_on_drop: false }`
[INFO] [stdout] 640435fb5ccb3ddf4eed3b20192b97a173a6e2cd192cb916c5350d63e60b119c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8c6e55e732a18704fba2ac41a2f508e9b0eb8a4954b514f2b7fac060e71581
[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" "ff8c6e55e732a18704fba2ac41a2f508e9b0eb8a4954b514f2b7fac060e71581", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling fltk-sys v0.8.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling fltk-derive v0.8.2
[INFO] [stderr]  Documenting fltk v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 45 | | //! You can also enable ninja builds for a faster build of the C++ source using the "use-ninja" feature. Or if you have fltk already inst...
[INFO] [stdout] 46 | | //!
[INFO] [stdout] 47 | | //! To use the master branch in your project, you can use:
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | | //! fltk = { git = "https://github.com/MoAlyousef/fltk-rs" }
[INFO] [stdout] 51 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 44 | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "ff8c6e55e732a18704fba2ac41a2f508e9b0eb8a4954b514f2b7fac060e71581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8c6e55e732a18704fba2ac41a2f508e9b0eb8a4954b514f2b7fac060e71581", kill_on_drop: false }`
[INFO] [stdout] ff8c6e55e732a18704fba2ac41a2f508e9b0eb8a4954b514f2b7fac060e71581