[INFO] fetching crate mirror_sparse_matrix 0.1.4...
[INFO] documenting mirror_sparse_matrix-0.1.4 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate mirror_sparse_matrix 0.1.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mirror_sparse_matrix 0.1.4 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 mirror_sparse_matrix 0.1.4
[INFO] finished tweaking crates.io crate mirror_sparse_matrix 0.1.4
[INFO] tweaked toml for crates.io crate mirror_sparse_matrix 0.1.4 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] ea50b7d9a7d7f59cc341ff3ee10c429efe19f14255ce6ba983837632d71e80d4
[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" "ea50b7d9a7d7f59cc341ff3ee10c429efe19f14255ce6ba983837632d71e80d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea50b7d9a7d7f59cc341ff3ee10c429efe19f14255ce6ba983837632d71e80d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea50b7d9a7d7f59cc341ff3ee10c429efe19f14255ce6ba983837632d71e80d4", kill_on_drop: false }`
[INFO] [stdout] ea50b7d9a7d7f59cc341ff3ee10c429efe19f14255ce6ba983837632d71e80d4
[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" "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] ee36025ab27c499f1842243006740ece15cd2131536e9de84f0b40fbcd3f4527
[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" "ee36025ab27c499f1842243006740ece15cd2131536e9de84f0b40fbcd3f4527", kill_on_drop: false }`
[INFO] [stderr]     Checking stats_utils v0.1.1
[INFO] [stderr]     Checking lz4-sys v1.9.2
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking binary_vec_io v0.1.1
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking io_utils v0.2.6
[INFO] [stderr]     Checking pretty_trace v0.3.2
[INFO] [stderr]  Documenting mirror_sparse_matrix v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "ee36025ab27c499f1842243006740ece15cd2131536e9de84f0b40fbcd3f4527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee36025ab27c499f1842243006740ece15cd2131536e9de84f0b40fbcd3f4527", kill_on_drop: false }`
[INFO] [stdout] ee36025ab27c499f1842243006740ece15cd2131536e9de84f0b40fbcd3f4527