[INFO] fetching crate microbit 0.8.0...
[INFO] documenting microbit-0.8.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate microbit 0.8.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate microbit 0.8.0 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] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking crates.io crate microbit 0.8.0
[INFO] finished tweaking crates.io crate microbit 0.8.0
[INFO] tweaked toml for crates.io crate microbit 0.8.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate microbit 0.8.0 already has a lockfile, it will not be regenerated
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 16a6a2f1cf3d7f5a00dba859cc17aec8bee628cb1e8f66c74b486cdb35797372
[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" "16a6a2f1cf3d7f5a00dba859cc17aec8bee628cb1e8f66c74b486cdb35797372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16a6a2f1cf3d7f5a00dba859cc17aec8bee628cb1e8f66c74b486cdb35797372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a6a2f1cf3d7f5a00dba859cc17aec8bee628cb1e8f66c74b486cdb35797372", kill_on_drop: false }`
[INFO] [stdout] 16a6a2f1cf3d7f5a00dba859cc17aec8bee628cb1e8f66c74b486cdb35797372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f3ebc327d59de8b203b2efdb3db89120ce55618da9c91907f41fb5d6fa237dbf
[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" "f3ebc327d59de8b203b2efdb3db89120ce55618da9c91907f41fb5d6fa237dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling nrf51 v0.7.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling microbit v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking fpa v0.1.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]     Checking nrf51-hal v0.7.0
[INFO] [stderr]  Documenting microbit v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.22s
[INFO] running `Command { std: "docker" "inspect" "f3ebc327d59de8b203b2efdb3db89120ce55618da9c91907f41fb5d6fa237dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ebc327d59de8b203b2efdb3db89120ce55618da9c91907f41fb5d6fa237dbf", kill_on_drop: false }`
[INFO] [stdout] f3ebc327d59de8b203b2efdb3db89120ce55618da9c91907f41fb5d6fa237dbf