[INFO] fetching crate variable_size_byte_writer 0.1.5...
[INFO] documenting variable_size_byte_writer-0.1.5 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate variable_size_byte_writer 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate variable_size_byte_writer 0.1.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variable_size_byte_writer 0.1.5
[INFO] finished tweaking crates.io crate variable_size_byte_writer 0.1.5
[INFO] tweaked toml for crates.io crate variable_size_byte_writer 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc7a65c22b04f4fc6dd3f0a32ca376307924e6569875e701d5eaf04611de6f0a
[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" "fc7a65c22b04f4fc6dd3f0a32ca376307924e6569875e701d5eaf04611de6f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc7a65c22b04f4fc6dd3f0a32ca376307924e6569875e701d5eaf04611de6f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7a65c22b04f4fc6dd3f0a32ca376307924e6569875e701d5eaf04611de6f0a", kill_on_drop: false }`
[INFO] [stdout] fc7a65c22b04f4fc6dd3f0a32ca376307924e6569875e701d5eaf04611de6f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 200c5d4cbb8e9419e0149b5d058e7636162de3990af503f57c316ead6998ed90
[INFO] running `Command { std: "docker" "start" "-a" "200c5d4cbb8e9419e0149b5d058e7636162de3990af503f57c316ead6998ed90", kill_on_drop: false }`
[INFO] [stderr]     Checking typenum_loops v0.2.0
[INFO] [stderr]  Documenting variable_size_byte_writer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         (self.bits % 8)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "200c5d4cbb8e9419e0149b5d058e7636162de3990af503f57c316ead6998ed90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200c5d4cbb8e9419e0149b5d058e7636162de3990af503f57c316ead6998ed90", kill_on_drop: false }`
[INFO] [stdout] 200c5d4cbb8e9419e0149b5d058e7636162de3990af503f57c316ead6998ed90
