[INFO] fetching crate libimagref 0.3.0...
[INFO] documenting libimagref-0.3.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate libimagref 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libimagref 0.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libimagref 0.3.0
[INFO] finished tweaking crates.io crate libimagref 0.3.0
[INFO] tweaked toml for crates.io crate libimagref 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cb6c856a705faf9e9b6932b1831a782ffbd5feb2fa1abb0bae4fdc650ba3cc0
[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" "4cb6c856a705faf9e9b6932b1831a782ffbd5feb2fa1abb0bae4fdc650ba3cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cb6c856a705faf9e9b6932b1831a782ffbd5feb2fa1abb0bae4fdc650ba3cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb6c856a705faf9e9b6932b1831a782ffbd5feb2fa1abb0bae4fdc650ba3cc0", kill_on_drop: false }`
[INFO] [stdout] 4cb6c856a705faf9e9b6932b1831a782ffbd5feb2fa1abb0bae4fdc650ba3cc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0159c5910492701d4f3bf20c83489ad14506d00b810537ac080bc5fd79e52de
[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" "c0159c5910492701d4f3bf20c83489ad14506d00b810537ac080bc5fd79e52de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking version v2.0.1
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking libimagerror v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking libimagutil v0.3.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]     Checking libimagstore v0.3.0
[INFO] [stderr]     Checking libimagentrylist v0.3.0
[INFO] [stderr]  Documenting libimagref v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "c0159c5910492701d4f3bf20c83489ad14506d00b810537ac080bc5fd79e52de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0159c5910492701d4f3bf20c83489ad14506d00b810537ac080bc5fd79e52de", kill_on_drop: false }`
[INFO] [stdout] c0159c5910492701d4f3bf20c83489ad14506d00b810537ac080bc5fd79e52de
