[INFO] fetching crate devserver_lib 0.1.7...
[INFO] documenting devserver_lib-0.1.7 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate devserver_lib 0.1.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate devserver_lib 0.1.7 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 devserver_lib 0.1.7
[INFO] finished tweaking crates.io crate devserver_lib 0.1.7
[INFO] tweaked toml for crates.io crate devserver_lib 0.1.7 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate devserver_lib 0.1.7 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 748fb02432fc2b6760326142321e64d98f0f7556ba8f699e75b34f163c93fb79
[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" "748fb02432fc2b6760326142321e64d98f0f7556ba8f699e75b34f163c93fb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "748fb02432fc2b6760326142321e64d98f0f7556ba8f699e75b34f163c93fb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748fb02432fc2b6760326142321e64d98f0f7556ba8f699e75b34f163c93fb79", kill_on_drop: false }`
[INFO] [stdout] 748fb02432fc2b6760326142321e64d98f0f7556ba8f699e75b34f163c93fb79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 77c5cf4263df2d931184deee6d296878d9a0144404845aca25adae3de496d531
[INFO] running `Command { std: "docker" "start" "-a" "77c5cf4263df2d931184deee6d296878d9a0144404845aca25adae3de496d531", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]  Documenting devserver_lib v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "77c5cf4263df2d931184deee6d296878d9a0144404845aca25adae3de496d531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c5cf4263df2d931184deee6d296878d9a0144404845aca25adae3de496d531", kill_on_drop: false }`
[INFO] [stdout] 77c5cf4263df2d931184deee6d296878d9a0144404845aca25adae3de496d531
