[INFO] crate rusty-leveldb 0.3.5 is already in cache
[INFO] documenting rusty-leveldb-0.3.5 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate rusty-leveldb 0.3.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rusty-leveldb 0.3.5 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 rusty-leveldb 0.3.5
[INFO] finished tweaking crates.io crate rusty-leveldb 0.3.5
[INFO] tweaked toml for crates.io crate rusty-leveldb 0.3.5 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b4ce5cc2feb485d2f7a25435a0c03a5fd16e1fe963efce73170e9570f04a5014
[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" "b4ce5cc2feb485d2f7a25435a0c03a5fd16e1fe963efce73170e9570f04a5014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ce5cc2feb485d2f7a25435a0c03a5fd16e1fe963efce73170e9570f04a5014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ce5cc2feb485d2f7a25435a0c03a5fd16e1fe963efce73170e9570f04a5014", kill_on_drop: false }`
[INFO] [stdout] b4ce5cc2feb485d2f7a25435a0c03a5fd16e1fe963efce73170e9570f04a5014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ffdb51c821313b2946d62994e49395430839ba7bf893ca01216f0356d6839754
[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" "ffdb51c821313b2946d62994e49395430839ba7bf893ca01216f0356d6839754", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling snap v1.0.0
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting rusty-leveldb v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[Skipmap]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/memtable.rs:12:85
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// MemTable uses MemtableKeys internally, that is, it stores key and value in the [Skipmap] key.
[INFO] [stdout]    |                                                                                     ^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "ffdb51c821313b2946d62994e49395430839ba7bf893ca01216f0356d6839754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdb51c821313b2946d62994e49395430839ba7bf893ca01216f0356d6839754", kill_on_drop: false }`
[INFO] [stdout] ffdb51c821313b2946d62994e49395430839ba7bf893ca01216f0356d6839754