[INFO] cloning repository https://github.com/mafraba/chip8r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mafraba/chip8r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafraba%2Fchip8r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafraba%2Fchip8r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee43622e4ebd80398c89c86be21e8763ebd09f23
[INFO] documenting mafraba/chip8r against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmafraba%2Fchip8r" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mafraba/chip8r on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mafraba/chip8r
[INFO] finished tweaking git repo https://github.com/mafraba/chip8r
[INFO] tweaked toml for git repo https://github.com/mafraba/chip8r written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mafraba/chip8r 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.3
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded clap v2.19.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba8e90c7af966cb8e89da0149cd69d1ce4623634838d162da1b909b315de178
[INFO] running `Command { std: "docker" "start" "-a" "1ba8e90c7af966cb8e89da0149cd69d1ce4623634838d162da1b909b315de178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba8e90c7af966cb8e89da0149cd69d1ce4623634838d162da1b909b315de178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba8e90c7af966cb8e89da0149cd69d1ce4623634838d162da1b909b315de178", kill_on_drop: false }`
[INFO] [stdout] 1ba8e90c7af966cb8e89da0149cd69d1ce4623634838d162da1b909b315de178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77272fa316536076d85fc1ca047c0089cdf78822eccf03c4e8d58e80ed5ba9e7
[INFO] running `Command { std: "docker" "start" "-a" "77272fa316536076d85fc1ca047c0089cdf78822eccf03c4e8d58e80ed5ba9e7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]  Documenting chip8r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since `1.42.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/chip8/mod.rs:548:5
[INFO] [stdout]     |
[INFO] [stdout] 548 |     (((n0 as u16) << 12) | ((n1 as u16) << 8) | ((n2 as u16) << 4) | n3 as u16)
[INFO] [stdout]     |     ^                                                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 548 -     (((n0 as u16) << 12) | ((n1 as u16) << 8) | ((n2 as u16) << 4) | n3 as u16)
[INFO] [stdout] 548 +     ((n0 as u16) << 12) | ((n1 as u16) << 8) | ((n2 as u16) << 4) | n3 as u16
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chip8r`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name chip8r 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=ae433e778e2f79f2 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d6bf0ff26ac2c5fd.rmeta --extern chan=/opt/rustwide/target/debug/deps/libchan-853842d47df73cc2.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-c69a6d02531077c7.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-19a63bb0fe0e5f9e.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-072dccfbf3f31887.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "77272fa316536076d85fc1ca047c0089cdf78822eccf03c4e8d58e80ed5ba9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77272fa316536076d85fc1ca047c0089cdf78822eccf03c4e8d58e80ed5ba9e7", kill_on_drop: false }`
[INFO] [stdout] 77272fa316536076d85fc1ca047c0089cdf78822eccf03c4e8d58e80ed5ba9e7
