[INFO] fetching crate bf 0.4.8...
[INFO] documenting bf-0.4.8 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate bf 0.4.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bf 0.4.8 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 bf 0.4.8
[INFO] finished tweaking crates.io crate bf 0.4.8
[INFO] tweaked toml for crates.io crate bf 0.4.8 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f21d2ecbc1a9aa91c8b4315f1a98a8b544ef8a44430bef1c4e2f6b86725f160a
[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" "f21d2ecbc1a9aa91c8b4315f1a98a8b544ef8a44430bef1c4e2f6b86725f160a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21d2ecbc1a9aa91c8b4315f1a98a8b544ef8a44430bef1c4e2f6b86725f160a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21d2ecbc1a9aa91c8b4315f1a98a8b544ef8a44430bef1c4e2f6b86725f160a", kill_on_drop: false }`
[INFO] [stdout] f21d2ecbc1a9aa91c8b4315f1a98a8b544ef8a44430bef1c4e2f6b86725f160a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 092f82fa3f967a6509f0fe26cd4c4561b32e1eec38470401006241253e29f0cf
[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" "092f82fa3f967a6509f0fe26cd4c4561b32e1eec38470401006241253e29f0cf", kill_on_drop: false }`
[INFO] [stderr]     Checking bf v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bf v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rts.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |     input:  &'a mut Read,
[INFO] [stdout]    |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rts.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     output: &'a mut Write,
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "092f82fa3f967a6509f0fe26cd4c4561b32e1eec38470401006241253e29f0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092f82fa3f967a6509f0fe26cd4c4561b32e1eec38470401006241253e29f0cf", kill_on_drop: false }`
[INFO] [stdout] 092f82fa3f967a6509f0fe26cd4c4561b32e1eec38470401006241253e29f0cf