[INFO] cloning repository https://github.com/jfconde/rust-gb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfconde/rust-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfconde%2Frust-gb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfconde%2Frust-gb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c4c61222e266b3e6121d3c96450cece524d310d
[INFO] documenting jfconde/rust-gb against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfconde%2Frust-gb" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfconde/rust-gb on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jfconde/rust-gb
[INFO] finished tweaking git repo https://github.com/jfconde/rust-gb
[INFO] tweaked toml for git repo https://github.com/jfconde/rust-gb written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jfconde/rust-gb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 9f34341fc418e696ff8ac6e4a64eb93dcbb777f44e4f769082f0bbe185051a87
[INFO] running `Command { std: "docker" "start" "-a" "9f34341fc418e696ff8ac6e4a64eb93dcbb777f44e4f769082f0bbe185051a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f34341fc418e696ff8ac6e4a64eb93dcbb777f44e4f769082f0bbe185051a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f34341fc418e696ff8ac6e4a64eb93dcbb777f44e4f769082f0bbe185051a87", kill_on_drop: false }`
[INFO] [stdout] 9f34341fc418e696ff8ac6e4a64eb93dcbb777f44e4f769082f0bbe185051a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 313f0f829e0cd2cbf57ce29b8f683c0e3752356e6fe5ab6673eb8af6c2bd585a
[INFO] running `Command { std: "docker" "start" "-a" "313f0f829e0cd2cbf57ce29b8f683c0e3752356e6fe5ab6673eb8af6c2bd585a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]  Documenting gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: type ascription is experimental
[INFO] [stdout]    --> src/lib/cpu.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 |         self.registers.flg.set_flg_half_carry(value: bool)
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib/cpu_registers.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |         if (value) {
[INFO] [stdout]     |            ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 124 -         if (value) {
[INFO] [stdout] 124 +         if value {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib/cpu_registers.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |         if (value) {
[INFO] [stdout]     |            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 137 -         if (value) {
[INFO] [stdout] 137 +         if value {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib/cpu_registers.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         if (value) {
[INFO] [stdout]     |            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -         if (value) {
[INFO] [stdout] 150 +         if value {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib/cpu_registers.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if (value) {
[INFO] [stdout]     |            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -         if (value) {
[INFO] [stdout] 163 +         if value {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `mbc` should have an upper camel case name
[INFO] [stdout]   --> src/lib/mbc/mod.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait mbc {
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper camel case: `Mbc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `mbcType` should have an upper camel case name
[INFO] [stdout]   --> src/lib/mbc/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum mbcType {
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to upper camel case: `MbcType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name gb src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=8a094f8387837e4f -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9cd64af656dc5b18.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-85102257fa40062e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "313f0f829e0cd2cbf57ce29b8f683c0e3752356e6fe5ab6673eb8af6c2bd585a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313f0f829e0cd2cbf57ce29b8f683c0e3752356e6fe5ab6673eb8af6c2bd585a", kill_on_drop: false }`
[INFO] [stdout] 313f0f829e0cd2cbf57ce29b8f683c0e3752356e6fe5ab6673eb8af6c2bd585a