[INFO] fetching crate mg-settings 0.4.3...
[INFO] documenting mg-settings-0.4.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate mg-settings 0.4.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mg-settings 0.4.3 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mg-settings 0.4.3
[INFO] finished tweaking crates.io crate mg-settings 0.4.3
[INFO] tweaked toml for crates.io crate mg-settings 0.4.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] 43e2e67832ae7c6aedb0b384d7a8a830ef3332262955f451d4785b808f506f1f
[INFO] running `Command { std: "docker" "start" "-a" "43e2e67832ae7c6aedb0b384d7a8a830ef3332262955f451d4785b808f506f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43e2e67832ae7c6aedb0b384d7a8a830ef3332262955f451d4785b808f506f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e2e67832ae7c6aedb0b384d7a8a830ef3332262955f451d4785b808f506f1f", kill_on_drop: false }`
[INFO] [stdout] 43e2e67832ae7c6aedb0b384d7a8a830ef3332262955f451d4785b808f506f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a63d41e1d3c71a68efb5237c12056809ac488d1fc89f037054e746e5e1474c2
[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" "9a63d41e1d3c71a68efb5237c12056809ac488d1fc89f037054e746e5e1474c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling mg-settings-macros v0.4.2
[INFO] [stderr]  Documenting mg-settings v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.99s
[INFO] running `Command { std: "docker" "inspect" "9a63d41e1d3c71a68efb5237c12056809ac488d1fc89f037054e746e5e1474c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a63d41e1d3c71a68efb5237c12056809ac488d1fc89f037054e746e5e1474c2", kill_on_drop: false }`
[INFO] [stdout] 9a63d41e1d3c71a68efb5237c12056809ac488d1fc89f037054e746e5e1474c2