[INFO] cloning repository https://github.com/richardsamuels/rust-chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardsamuels/rust-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardsamuels%2Frust-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardsamuels%2Frust-chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c20a5872ea8f8e0165b82b10b9bf47b2714833f7
[INFO] documenting richardsamuels/rust-chip8 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardsamuels%2Frust-chip8" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardsamuels/rust-chip8 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 git repo https://github.com/richardsamuels/rust-chip8
[INFO] removed path dependency chip8 from git repo https://github.com/richardsamuels/rust-chip8
[INFO] finished tweaking git repo https://github.com/richardsamuels/rust-chip8
[INFO] tweaked toml for git repo https://github.com/richardsamuels/rust-chip8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/richardsamuels/rust-chip8 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] warning: dependency (chip8) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (chip8) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bbfd0cb698b459b086271afc12b88dc9066601a4b0412635c6bdc37f364c07ca
[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" "bbfd0cb698b459b086271afc12b88dc9066601a4b0412635c6bdc37f364c07ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfd0cb698b459b086271afc12b88dc9066601a4b0412635c6bdc37f364c07ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfd0cb698b459b086271afc12b88dc9066601a4b0412635c6bdc37f364c07ca", kill_on_drop: false }`
[INFO] [stdout] bbfd0cb698b459b086271afc12b88dc9066601a4b0412635c6bdc37f364c07ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 977542ca27e4901eb7382c79e59c6b93140dedb33bf9f5476fedebd69557a836
[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" "977542ca27e4901eb7382c79e59c6b93140dedb33bf9f5476fedebd69557a836", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (chip8) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking chip8 v0.1.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]  Documenting chip8_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `chip8::Chip8`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use chip8::Chip8;
[INFO] [stdout]    |     ^^^^^^^^^^^^ no `Chip8` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chip8::Beeper`
[INFO] [stdout]  --> src/audio.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chip8::Beeper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Beeper` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Display` in crate `chip8`
[INFO] [stdout]   --> src/display.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl chip8::Display for SdlDisplay {
[INFO] [stdout]    |             ^^^^^^^ not found in `chip8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::fmt::Display;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Input` in crate `chip8`
[INFO] [stdout]   --> src/input.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl chip8::Input for SdlInput {
[INFO] [stdout]    |             ^^^^^ not found in `chip8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `chip8_app`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name chip8_app src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chip8=/opt/rustwide/target/debug/deps/libchip8-d2a062b68d927d9a.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-0a11ec20b7ad6fe0.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-c1df1005954f8eb5.rmeta --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-23bf07dd3df8eed9.so --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "977542ca27e4901eb7382c79e59c6b93140dedb33bf9f5476fedebd69557a836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977542ca27e4901eb7382c79e59c6b93140dedb33bf9f5476fedebd69557a836", kill_on_drop: false }`
[INFO] [stdout] 977542ca27e4901eb7382c79e59c6b93140dedb33bf9f5476fedebd69557a836