[INFO] cloning repository https://github.com/MayorMonty/minify_css
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MayorMonty/minify_css" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayorMonty%2Fminify_css", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayorMonty%2Fminify_css'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bc35c1a36303572c60512af4f656baca0108baa
[INFO] documenting MayorMonty/minify_css against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMayorMonty%2Fminify_css" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MayorMonty/minify_css 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 git repo https://github.com/MayorMonty/minify_css
[INFO] finished tweaking git repo https://github.com/MayorMonty/minify_css
[INFO] tweaked toml for git repo https://github.com/MayorMonty/minify_css written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MayorMonty/minify_css 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc143b7a9476b91222a5a30f4bb2360fd12b56f9f4737d829a51dc62cca6e011
[INFO] running `Command { std: "docker" "start" "-a" "bc143b7a9476b91222a5a30f4bb2360fd12b56f9f4737d829a51dc62cca6e011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc143b7a9476b91222a5a30f4bb2360fd12b56f9f4737d829a51dc62cca6e011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc143b7a9476b91222a5a30f4bb2360fd12b56f9f4737d829a51dc62cca6e011", kill_on_drop: false }`
[INFO] [stdout] bc143b7a9476b91222a5a30f4bb2360fd12b56f9f4737d829a51dc62cca6e011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 910d2f8d0c6b675efef52366f2c9221cee1f21f3ae3741f53fc897602acdb18f
[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" "910d2f8d0c6b675efef52366f2c9221cee1f21f3ae3741f53fc897602acdb18f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting minify_web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "910d2f8d0c6b675efef52366f2c9221cee1f21f3ae3741f53fc897602acdb18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910d2f8d0c6b675efef52366f2c9221cee1f21f3ae3741f53fc897602acdb18f", kill_on_drop: false }`
[INFO] [stdout] 910d2f8d0c6b675efef52366f2c9221cee1f21f3ae3741f53fc897602acdb18f