[INFO] crate virtual-node 0.2.7 is already in cache
[INFO] documenting virtual-node-0.2.7 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate virtual-node 0.2.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate virtual-node 0.2.7 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 virtual-node 0.2.7
[INFO] finished tweaking crates.io crate virtual-node 0.2.7
[INFO] tweaked toml for crates.io crate virtual-node 0.2.7 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7ceb674feb219492fb9b8ff3f016a6a9d2676dbf477b5bd6c4e445916d6bfbeb
[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" "7ceb674feb219492fb9b8ff3f016a6a9d2676dbf477b5bd6c4e445916d6bfbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ceb674feb219492fb9b8ff3f016a6a9d2676dbf477b5bd6c4e445916d6bfbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ceb674feb219492fb9b8ff3f016a6a9d2676dbf477b5bd6c4e445916d6bfbeb", kill_on_drop: false }`
[INFO] [stdout] 7ceb674feb219492fb9b8ff3f016a6a9d2676dbf477b5bd6c4e445916d6bfbeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7cb2ba8b8471bc3fd37e6cf783b612d6d04ec9e1ed8a4c5ecbe6ce9b5b4b5d06
[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" "7cb2ba8b8471bc3fd37e6cf783b612d6d04ec9e1ed8a4c5ecbe6ce9b5b4b5d06", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking html-validation v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.64
[INFO] [stderr]     Checking wasm-bindgen v0.2.64
[INFO] [stderr]     Checking js-sys v0.3.41
[INFO] [stderr]     Checking web-sys v0.3.41
[INFO] [stderr]  Documenting virtual-node v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.34s
[INFO] running `Command { std: "docker" "inspect" "7cb2ba8b8471bc3fd37e6cf783b612d6d04ec9e1ed8a4c5ecbe6ce9b5b4b5d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb2ba8b8471bc3fd37e6cf783b612d6d04ec9e1ed8a4c5ecbe6ce9b5b4b5d06", kill_on_drop: false }`
[INFO] [stdout] 7cb2ba8b8471bc3fd37e6cf783b612d6d04ec9e1ed8a4c5ecbe6ce9b5b4b5d06