[INFO] fetching crate bitlab 1.1.0...
[INFO] documenting bitlab-1.1.0 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate bitlab 1.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bitlab 1.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitlab 1.1.0
[INFO] finished tweaking crates.io crate bitlab 1.1.0
[INFO] tweaked toml for crates.io crate bitlab 1.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate bitlab 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2390dd7e738cb1747e4387dca0e8c7ec0b272fe8332f3b108b9c30637531c4cb
[INFO] running `Command { std: "docker" "start" "-a" "2390dd7e738cb1747e4387dca0e8c7ec0b272fe8332f3b108b9c30637531c4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2390dd7e738cb1747e4387dca0e8c7ec0b272fe8332f3b108b9c30637531c4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2390dd7e738cb1747e4387dca0e8c7ec0b272fe8332f3b108b9c30637531c4cb", kill_on_drop: false }`
[INFO] [stdout] 2390dd7e738cb1747e4387dca0e8c7ec0b272fe8332f3b108b9c30637531c4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e73e8fb81e48628ab1a8b370482d61d95e8c11318ccb0cbb1d027203b7a426d
[INFO] running `Command { std: "docker" "start" "-a" "3e73e8fb81e48628ab1a8b370482d61d95e8c11318ccb0cbb1d027203b7a426d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting bitlab v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:770:76
[INFO] [stdout]     |
[INFO] [stdout] 770 | /// Defines a number of functions, which extract a range of bits from a Vec<u8>
[INFO] [stdout]     |                                                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 770 | /// Defines a number of functions, which extract a range of bits from a `Vec<u8>`
[INFO] [stdout]     |                                                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:774:41
[INFO] [stdout]     |
[INFO] [stdout] 774 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 8 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 774 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 8 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:783:41
[INFO] [stdout]     |
[INFO] [stdout] 783 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 8 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 783 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 8 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:792:41
[INFO] [stdout]     |
[INFO] [stdout] 792 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 16 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 792 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 16 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:801:41
[INFO] [stdout]     |
[INFO] [stdout] 801 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 16 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 801 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 16 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:810:41
[INFO] [stdout]     |
[INFO] [stdout] 810 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 32 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 810 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 32 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:819:41
[INFO] [stdout]     |
[INFO] [stdout] 819 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 32 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 819 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 32 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:828:41
[INFO] [stdout]     |
[INFO] [stdout] 828 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 64 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 828 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 64 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:837:41
[INFO] [stdout]     |
[INFO] [stdout] 837 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 64 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 837 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 64 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]     --> src/lib.rs:2452:66
[INFO] [stdout]      |
[INFO] [stdout] 2452 | /// Defines a functions, which inserts a range of bits into a Vec<u8>
[INFO] [stdout]      |                                                                  ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]      |
[INFO] [stdout] 2452 | /// Defines a functions, which inserts a range of bits into a `Vec<u8>`
[INFO] [stdout]      |                                                               +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]     --> src/lib.rs:2455:40
[INFO] [stdout]      |
[INFO] [stdout] 2455 |     /// inserts a range of bits into a Vec<u8>
[INFO] [stdout]      |                                           ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]      |
[INFO] [stdout] 2455 |     /// inserts a range of bits into a `Vec<u8>`
[INFO] [stdout]      |                                        +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/bitlab/index.html
[INFO] running `Command { std: "docker" "inspect" "3e73e8fb81e48628ab1a8b370482d61d95e8c11318ccb0cbb1d027203b7a426d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e73e8fb81e48628ab1a8b370482d61d95e8c11318ccb0cbb1d027203b7a426d", kill_on_drop: false }`
[INFO] [stdout] 3e73e8fb81e48628ab1a8b370482d61d95e8c11318ccb0cbb1d027203b7a426d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e9c6f0f6629ac0f06f91cfa7424da9fc138b370c572da7fbca8a72500ebb2a
[INFO] running `Command { std: "docker" "start" "-a" "75e9c6f0f6629ac0f06f91cfa7424da9fc138b370c572da7fbca8a72500ebb2a", kill_on_drop: false }`
[INFO] [stderr]  Documenting bitlab v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:770:76
[INFO] [stdout]     |
[INFO] [stdout] 770 | /// Defines a number of functions, which extract a range of bits from a Vec<u8>
[INFO] [stdout]     |                                                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 770 | /// Defines a number of functions, which extract a range of bits from a `Vec<u8>`
[INFO] [stdout]     |                                                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:774:41
[INFO] [stdout]     |
[INFO] [stdout] 774 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 8 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 774 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 8 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:783:41
[INFO] [stdout]     |
[INFO] [stdout] 783 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 8 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 783 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 8 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:792:41
[INFO] [stdout]     |
[INFO] [stdout] 792 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 16 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 792 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 16 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:801:41
[INFO] [stdout]     |
[INFO] [stdout] 801 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 16 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 801 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 16 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:810:41
[INFO] [stdout]     |
[INFO] [stdout] 810 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 32 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 810 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 32 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:819:41
[INFO] [stdout]     |
[INFO] [stdout] 819 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 32 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 819 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 32 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:828:41
[INFO] [stdout]     |
[INFO] [stdout] 828 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a 64 bit unsigned integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 828 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a 64 bit unsigned integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]    --> src/lib.rs:837:41
[INFO] [stdout]     |
[INFO] [stdout] 837 |     /// Extracts a range of bits from a Vec<u8> and returns a Result object containing a signed 64 bit integer or an error message.
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 837 |     /// Extracts a range of bits from a `Vec<u8>` and returns a Result object containing a signed 64 bit integer or an error message.
[INFO] [stdout]     |                                         +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]     --> src/lib.rs:2452:66
[INFO] [stdout]      |
[INFO] [stdout] 2452 | /// Defines a functions, which inserts a range of bits into a Vec<u8>
[INFO] [stdout]      |                                                                  ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]      |
[INFO] [stdout] 2452 | /// Defines a functions, which inserts a range of bits into a `Vec<u8>`
[INFO] [stdout]      |                                                               +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `u8`
[INFO] [stdout]     --> src/lib.rs:2455:40
[INFO] [stdout]      |
[INFO] [stdout] 2455 |     /// inserts a range of bits into a Vec<u8>
[INFO] [stdout]      |                                           ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]      |
[INFO] [stdout] 2455 |     /// inserts a range of bits into a `Vec<u8>`
[INFO] [stdout]      |                                        +       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/bitlab/index.html
[INFO] running `Command { std: "docker" "inspect" "75e9c6f0f6629ac0f06f91cfa7424da9fc138b370c572da7fbca8a72500ebb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e9c6f0f6629ac0f06f91cfa7424da9fc138b370c572da7fbca8a72500ebb2a", kill_on_drop: false }`
[INFO] [stdout] 75e9c6f0f6629ac0f06f91cfa7424da9fc138b370c572da7fbca8a72500ebb2a
