[INFO] updating cached repository https://github.com/pcein/rust-sipeed-longan-nano
[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] 70f73788390cf1f36db7bf1dd995b8daa0bf62e4
[INFO] documenting pcein/rust-sipeed-longan-nano against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcein%2Frust-sipeed-longan-nano" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pcein/rust-sipeed-longan-nano on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pcein/rust-sipeed-longan-nano
[INFO] finished tweaking git repo https://github.com/pcein/rust-sipeed-longan-nano
[INFO] tweaked toml for git repo https://github.com/pcein/rust-sipeed-longan-nano written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/pcein/rust-sipeed-longan-nano 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3e47cb554a745134d0bb45808cae5f62f6311b9bd6b111aecdbc854b311cae5d
[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" "3e47cb554a745134d0bb45808cae5f62f6311b9bd6b111aecdbc854b311cae5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e47cb554a745134d0bb45808cae5f62f6311b9bd6b111aecdbc854b311cae5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e47cb554a745134d0bb45808cae5f62f6311b9bd6b111aecdbc854b311cae5d", kill_on_drop: false }`
[INFO] [stdout] 3e47cb554a745134d0bb45808cae5f62f6311b9bd6b111aecdbc854b311cae5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c7a131843aad1856ea16be85300e9ab0e22a92abba2c9db492afe0c5b46ee276
[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" "c7a131843aad1856ea16be85300e9ab0e22a92abba2c9db492afe0c5b46ee276", kill_on_drop: false }`
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking panic-abort v0.3.1
[INFO] [stderr]  Documenting rust-sipeed-longan-nano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | const rcu_apb2en: u32 = (0x4002_1000 + 0x18);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | const gpioa_ctl0: u32 = (0x4001_0800 + 0x0);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 | const gpioa_data: u32 = (0x4001_0800 + 0xc);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "c7a131843aad1856ea16be85300e9ab0e22a92abba2c9db492afe0c5b46ee276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a131843aad1856ea16be85300e9ab0e22a92abba2c9db492afe0c5b46ee276", kill_on_drop: false }`
[INFO] [stdout] c7a131843aad1856ea16be85300e9ab0e22a92abba2c9db492afe0c5b46ee276