[INFO] crate uncbv 0.2.4 is already in cache
[INFO] documenting uncbv-0.2.4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate uncbv 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate uncbv 0.2.4 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 uncbv 0.2.4
[INFO] finished tweaking crates.io crate uncbv 0.2.4
[INFO] tweaked toml for crates.io crate uncbv 0.2.4 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] [stdout] 0be0996e9ddb465fa1d1277b9576a5e4cc57b9be5a28769104b9e14bf07bca96
[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" "0be0996e9ddb465fa1d1277b9576a5e4cc57b9be5a28769104b9e14bf07bca96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be0996e9ddb465fa1d1277b9576a5e4cc57b9be5a28769104b9e14bf07bca96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be0996e9ddb465fa1d1277b9576a5e4cc57b9be5a28769104b9e14bf07bca96", kill_on_drop: false }`
[INFO] [stdout] 0be0996e9ddb465fa1d1277b9576a5e4cc57b9be5a28769104b9e14bf07bca96
[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" "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] e3a836b8c1c9e35d113c9cc3b206741550e9a18c6345a75f8267b432bc8e8e40
[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" "e3a836b8c1c9e35d113c9cc3b206741550e9a18c6345a75f8267b432bc8e8e40", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking deque v0.3.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bitreader v0.1.0
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking huffman v0.0.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rayon v0.4.2
[INFO] [stderr]     Checking des v0.0.4
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]  Documenting uncbv v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "e3a836b8c1c9e35d113c9cc3b206741550e9a18c6345a75f8267b432bc8e8e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a836b8c1c9e35d113c9cc3b206741550e9a18c6345a75f8267b432bc8e8e40", kill_on_drop: false }`
[INFO] [stdout] e3a836b8c1c9e35d113c9cc3b206741550e9a18c6345a75f8267b432bc8e8e40