[INFO] fetching crate ws281x 0.1.0...
[INFO] documenting ws281x-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate ws281x 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ws281x 0.1.0 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 crates.io crate ws281x 0.1.0
[INFO] finished tweaking crates.io crate ws281x 0.1.0
[INFO] tweaked toml for crates.io crate ws281x 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] df738efb1b273b48f1541cad69e1368ce68088de71a035528acd520852504641
[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" "df738efb1b273b48f1541cad69e1368ce68088de71a035528acd520852504641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df738efb1b273b48f1541cad69e1368ce68088de71a035528acd520852504641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df738efb1b273b48f1541cad69e1368ce68088de71a035528acd520852504641", kill_on_drop: false }`
[INFO] [stdout] df738efb1b273b48f1541cad69e1368ce68088de71a035528acd520852504641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0dd8991a2245491335b8dc0321f3cc7061cf4ab06214fd90e55722c24751519e
[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" "0dd8991a2245491335b8dc0321f3cc7061cf4ab06214fd90e55722c24751519e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws281x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::compile_library("libws281x.a", &["c/mailbox.c", "c/ws2811.c", "c/pwm.c", "c/dma.c", "c/rpihw.c"]);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: c/mailbox.c: In function 'unmapmem':
[INFO] [stderr] warning: c/mailbox.c:71:25: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
[INFO] [stderr] warning:    71 |     uint32_t baseaddr = (uint32_t)addr & pagemask;
[INFO] [stderr] warning:       |                         ^
[INFO] [stderr] warning: c/mailbox.c:74:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
[INFO] [stderr] warning:    74 |     s = munmap((void *)baseaddr, size);
[INFO] [stderr] warning:       |                ^
[INFO] [stderr] warning: c/mailbox.c: In function 'mbox_open':
[INFO] [stderr] warning: c/mailbox.c:275:39: warning: implicit declaration of function 'makedev' [-Wimplicit-function-declaration]
[INFO] [stderr] warning:   275 |     if (mknod(filename, S_IFCHR|0600, makedev(100, 0)) < 0) {
[INFO] [stderr] warning:       |                                       ^~~~~~~
[INFO] [stderr] warning: c/ws2811.c: In function 'setup_pwm':
[INFO] [stderr] warning: c/ws2811.c:302:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
[INFO] [stderr] warning:   302 |     dma_cb->dest_ad = (uint32_t)&((pwm_t *)PWM_PERIPH_PHYS)->fif1;
[INFO] [stderr] warning:       |                       ^
[INFO] [stderr]  Documenting ws281x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "0dd8991a2245491335b8dc0321f3cc7061cf4ab06214fd90e55722c24751519e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd8991a2245491335b8dc0321f3cc7061cf4ab06214fd90e55722c24751519e", kill_on_drop: false }`
[INFO] [stdout] 0dd8991a2245491335b8dc0321f3cc7061cf4ab06214fd90e55722c24751519e