[INFO] fetching crate blackbox_derive 0.1.0...
[INFO] documenting blackbox_derive-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate blackbox_derive 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate blackbox_derive 0.1.0 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 blackbox_derive 0.1.0
[INFO] finished tweaking crates.io crate blackbox_derive 0.1.0
[INFO] tweaked toml for crates.io crate blackbox_derive 0.1.0 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 57f369929c1dfed8051a802f4a9199e535f5cceeb9d0a8eb61ef03fe21b4dc52
[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" "57f369929c1dfed8051a802f4a9199e535f5cceeb9d0a8eb61ef03fe21b4dc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57f369929c1dfed8051a802f4a9199e535f5cceeb9d0a8eb61ef03fe21b4dc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f369929c1dfed8051a802f4a9199e535f5cceeb9d0a8eb61ef03fe21b4dc52", kill_on_drop: false }`
[INFO] [stdout] 57f369929c1dfed8051a802f4a9199e535f5cceeb9d0a8eb61ef03fe21b4dc52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8c99efd6a6788e21926267273dc12c42501d0c2e01fbccae983c242e0fa4139b
[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" "8c99efd6a6788e21926267273dc12c42501d0c2e01fbccae983c242e0fa4139b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking probability v0.15.12
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]     Checking blackbox v0.2.0
[INFO] [stderr]  Documenting blackbox_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `Command { std: "docker" "inspect" "8c99efd6a6788e21926267273dc12c42501d0c2e01fbccae983c242e0fa4139b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c99efd6a6788e21926267273dc12c42501d0c2e01fbccae983c242e0fa4139b", kill_on_drop: false }`
[INFO] [stdout] 8c99efd6a6788e21926267273dc12c42501d0c2e01fbccae983c242e0fa4139b