[INFO] fetching crate mintmark 0.2.0...
[INFO] documenting mintmark-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate mintmark 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mintmark 0.2.0 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] started tweaking crates.io crate mintmark 0.2.0
[INFO] finished tweaking crates.io crate mintmark 0.2.0
[INFO] tweaked toml for crates.io crate mintmark 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mintmark 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c1e3aecaeec96b1cbac195626c0734e36074fc816e3ae616616d8bd7e6c148ec
[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" "c1e3aecaeec96b1cbac195626c0734e36074fc816e3ae616616d8bd7e6c148ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e3aecaeec96b1cbac195626c0734e36074fc816e3ae616616d8bd7e6c148ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e3aecaeec96b1cbac195626c0734e36074fc816e3ae616616d8bd7e6c148ec", kill_on_drop: false }`
[INFO] [stdout] c1e3aecaeec96b1cbac195626c0734e36074fc816e3ae616616d8bd7e6c148ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] faae33f61ec8c1c50b1c0087b52f137d21b1e4a5b767b163470401e7f925362a
[INFO] running `Command { std: "docker" "start" "-a" "faae33f61ec8c1c50b1c0087b52f137d21b1e4a5b767b163470401e7f925362a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking barcoders v1.0.1
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking image v0.23.2
[INFO] [stderr]  Documenting mintmark v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "faae33f61ec8c1c50b1c0087b52f137d21b1e4a5b767b163470401e7f925362a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faae33f61ec8c1c50b1c0087b52f137d21b1e4a5b767b163470401e7f925362a", kill_on_drop: false }`
[INFO] [stdout] faae33f61ec8c1c50b1c0087b52f137d21b1e4a5b767b163470401e7f925362a