[INFO] fetching crate atsam4e16e-pac 0.1.2...
[INFO] documenting atsam4e16e-pac-0.1.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate atsam4e16e-pac 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate atsam4e16e-pac 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsam4e16e-pac 0.1.2
[INFO] finished tweaking crates.io crate atsam4e16e-pac 0.1.2
[INFO] tweaked toml for crates.io crate atsam4e16e-pac 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86889f52925b0e35763384ee405e4209263fa44adadb73ee19e37a78d8d0af3
[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" "b86889f52925b0e35763384ee405e4209263fa44adadb73ee19e37a78d8d0af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86889f52925b0e35763384ee405e4209263fa44adadb73ee19e37a78d8d0af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86889f52925b0e35763384ee405e4209263fa44adadb73ee19e37a78d8d0af3", kill_on_drop: false }`
[INFO] [stdout] b86889f52925b0e35763384ee405e4209263fa44adadb73ee19e37a78d8d0af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8d3d581b16d5ae3b769ff44d4d0bd00a6b16ed7abb225d72addec423d969dce
[INFO] running `Command { std: "docker" "start" "-a" "f8d3d581b16d5ae3b769ff44d4d0bd00a6b16ed7abb225d72addec423d969dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling atsam4e16e-pac v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting atsam4e16e-pac v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `atsam4e16e-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name atsam4e16e_pac src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-e031b5518942963c.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-9bb377b41a32f806.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-26c0afb41e86d883.rmeta --cap-lints=warn --crate-version 0.1.2` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f8d3d581b16d5ae3b769ff44d4d0bd00a6b16ed7abb225d72addec423d969dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d3d581b16d5ae3b769ff44d4d0bd00a6b16ed7abb225d72addec423d969dce", kill_on_drop: false }`
[INFO] [stdout] f8d3d581b16d5ae3b769ff44d4d0bd00a6b16ed7abb225d72addec423d969dce
