[INFO] fetching crate itsybitsy_m0 0.8.0...
[INFO] documenting itsybitsy_m0-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate itsybitsy_m0 0.8.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate itsybitsy_m0 0.8.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking crates.io crate itsybitsy_m0 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate itsybitsy_m0 0.8.0
[INFO] tweaked toml for crates.io crate itsybitsy_m0 0.8.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate itsybitsy_m0 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usbd-hid-descriptors v0.1.1
[INFO] [stderr]   Downloaded usbd-hid v0.4.0
[INFO] [stderr]   Downloaded usbd-hid-macros v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8093dc7af8d61656f80d4f70007085f093192f48039f21b86dfd3fa253a377d9
[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" "8093dc7af8d61656f80d4f70007085f093192f48039f21b86dfd3fa253a377d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8093dc7af8d61656f80d4f70007085f093192f48039f21b86dfd3fa253a377d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8093dc7af8d61656f80d4f70007085f093192f48039f21b86dfd3fa253a377d9", kill_on_drop: false }`
[INFO] [stdout] 8093dc7af8d61656f80d4f70007085f093192f48039f21b86dfd3fa253a377d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5c34412acbc8f9c9220579c47872fb1981112573569365b451d4ff5060de67
[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" "7d5c34412acbc8f9c9220579c47872fb1981112573569365b451d4ff5060de67", kill_on_drop: false }`
[INFO] [stderr]    Compiling itsybitsy_m0 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atsamd21g18a v0.7.0
[INFO] [stderr]     Checking atsamd-hal v0.9.0
[INFO] [stderr]  Documenting itsybitsy_m0 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.70s
[INFO] running `Command { std: "docker" "inspect" "7d5c34412acbc8f9c9220579c47872fb1981112573569365b451d4ff5060de67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5c34412acbc8f9c9220579c47872fb1981112573569365b451d4ff5060de67", kill_on_drop: false }`
[INFO] [stdout] 7d5c34412acbc8f9c9220579c47872fb1981112573569365b451d4ff5060de67