[INFO] cloning repository https://github.com/pepyakin/chipster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepyakin/chipster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Fchipster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Fchipster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cd0c41e16b8e1a58381b3fb18ed412c92237f4e
[INFO] documenting pepyakin/chipster against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Fchipster" "/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/pepyakin/chipster on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepyakin/chipster
[INFO] finished tweaking git repo https://github.com/pepyakin/chipster
[INFO] tweaked toml for git repo https://github.com/pepyakin/chipster written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/pepyakin/chipster already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deeaf79d3a15fea0ca69d001f2c2784fb0274d32a92150615bc7310d4995d33d
[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" "deeaf79d3a15fea0ca69d001f2c2784fb0274d32a92150615bc7310d4995d33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deeaf79d3a15fea0ca69d001f2c2784fb0274d32a92150615bc7310d4995d33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deeaf79d3a15fea0ca69d001f2c2784fb0274d32a92150615bc7310d4995d33d", kill_on_drop: false }`
[INFO] [stdout] deeaf79d3a15fea0ca69d001f2c2784fb0274d32a92150615bc7310d4995d33d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca1da04059215c6a8578637bcb836c14efcad17809f0f5811bcd2760209efbd
[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" "7ca1da04059215c6a8578637bcb836c14efcad17809f0f5811bcd2760209efbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir/chip8)
[INFO] [stderr]  Documenting chip8 v0.1.0 (/opt/rustwide/workdir/chip8)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> chip8/src/lib.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> chip8/src/vm.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut rom_slice = &mut vm.memory[rom_start..rom_end];
[INFO] [stdout]    |                 ----^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting chipster v0.1.0 (/opt/rustwide/workdir/chipster)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> chipster/src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 |  #![feature(link_args)]
[INFO] [stdout]   |             ^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> chipster/src/main.rs:1:2
[INFO] [stdout]   |
[INFO] [stdout] 1 |  #![feature(link_args)]
[INFO] [stdout]   |  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chipster`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name chipster chipster/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-c88d4fde62d79ec9.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-96d6aee28d27ea5a.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-dc3d374e0d83f4ec.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7a623265df9b614a.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-0581a28d57c161dd.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-eae1dd934cd0d2bb.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unresolved link to `I`
[INFO] [stdout]    --> chip8/src/instruction.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |     /// Fx55 - LD [I], Vx
[INFO] [stdout]     |                    ^ no item named `I` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `I`
[INFO] [stdout]    --> chip8/src/instruction.rs:214:24
[INFO] [stdout]     |
[INFO] [stdout] 214 |     /// Fx65 - LD Vx, [I]
[INFO] [stdout]     |                        ^ no item named `I` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ca1da04059215c6a8578637bcb836c14efcad17809f0f5811bcd2760209efbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca1da04059215c6a8578637bcb836c14efcad17809f0f5811bcd2760209efbd", kill_on_drop: false }`
[INFO] [stdout] 7ca1da04059215c6a8578637bcb836c14efcad17809f0f5811bcd2760209efbd
