[INFO] updating cached repository https://github.com/felixzhuologist/wasm-chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 142be1e5453116ede305354f7919c1a2d0b14961
[INFO] documenting felixzhuologist/wasm-chip8 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelixzhuologist%2Fwasm-chip8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felixzhuologist/wasm-chip8 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/felixzhuologist/wasm-chip8
[INFO] finished tweaking git repo https://github.com/felixzhuologist/wasm-chip8
[INFO] tweaked toml for git repo https://github.com/felixzhuologist/wasm-chip8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/felixzhuologist/wasm-chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b89aa40c9e8f80e272e8f6d5e51efa6720b5d24b889eebbfb3b69d612742a67
[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" "7b89aa40c9e8f80e272e8f6d5e51efa6720b5d24b889eebbfb3b69d612742a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b89aa40c9e8f80e272e8f6d5e51efa6720b5d24b889eebbfb3b69d612742a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b89aa40c9e8f80e272e8f6d5e51efa6720b5d24b889eebbfb3b69d612742a67", kill_on_drop: false }`
[INFO] [stdout] 7b89aa40c9e8f80e272e8f6d5e51efa6720b5d24b889eebbfb3b69d612742a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 848177797d019895d57e6fc2ea2d1601424f044cde48730465a13522e96c9f46
[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" "848177797d019895d57e6fc2ea2d1601424f044cde48730465a13522e96c9f46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.19
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.19
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.19
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.19
[INFO] [stderr]     Checking wasm-bindgen v0.2.19
[INFO] [stderr]     Checking js-sys v0.2.4
[INFO] [stderr]  Documenting chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/keypad.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 |     /// 16 key hexadecimal keypad. keys[i] is true if it is currently
[INFO] [stdout]   |                                         ^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.00s
[INFO] running `Command { std: "docker" "inspect" "848177797d019895d57e6fc2ea2d1601424f044cde48730465a13522e96c9f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848177797d019895d57e6fc2ea2d1601424f044cde48730465a13522e96c9f46", kill_on_drop: false }`
[INFO] [stdout] 848177797d019895d57e6fc2ea2d1601424f044cde48730465a13522e96c9f46