[INFO] fetching crate mongo-file-center 0.4.2...
[INFO] documenting mongo-file-center-0.4.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate mongo-file-center 0.4.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mongo-file-center 0.4.2 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 mongo-file-center 0.4.2
[INFO] finished tweaking crates.io crate mongo-file-center 0.4.2
[INFO] tweaked toml for crates.io crate mongo-file-center 0.4.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e58b54dacbfb4407ecf20ea6b22e9d6a27eeb7f9ada1fecaef6ed2afbcfaba5e
[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" "e58b54dacbfb4407ecf20ea6b22e9d6a27eeb7f9ada1fecaef6ed2afbcfaba5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58b54dacbfb4407ecf20ea6b22e9d6a27eeb7f9ada1fecaef6ed2afbcfaba5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58b54dacbfb4407ecf20ea6b22e9d6a27eeb7f9ada1fecaef6ed2afbcfaba5e", kill_on_drop: false }`
[INFO] [stdout] e58b54dacbfb4407ecf20ea6b22e9d6a27eeb7f9ada1fecaef6ed2afbcfaba5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 759c31377b2294f97e3f78e8a6cc5717bb35d52b6ae302f9d9fce2d9242f6dc0
[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" "759c31377b2294f97e3f78e8a6cc5717bb35d52b6ae302f9d9fce2d9242f6dc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking debug-helper v0.3.10
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking base64-url v1.4.7
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking crc-any v2.3.5
[INFO] [stderr]     Checking short-crypt v1.0.23
[INFO] [stderr]     Checking bson v0.14.0
[INFO] [stderr]     Checking mongodb v0.4.0
[INFO] [stderr]  Documenting mongo-file-center v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `Command { std: "docker" "inspect" "759c31377b2294f97e3f78e8a6cc5717bb35d52b6ae302f9d9fce2d9242f6dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759c31377b2294f97e3f78e8a6cc5717bb35d52b6ae302f9d9fce2d9242f6dc0", kill_on_drop: false }`
[INFO] [stdout] 759c31377b2294f97e3f78e8a6cc5717bb35d52b6ae302f9d9fce2d9242f6dc0