[INFO] fetching crate mailproc 0.3.0...
[INFO] documenting mailproc-0.3.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate mailproc 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mailproc 0.3.0 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 mailproc 0.3.0
[INFO] finished tweaking crates.io crate mailproc 0.3.0
[INFO] tweaked toml for crates.io crate mailproc 0.3.0 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d8e8d3839520ecca2df4312aa9f2810253a6145d8c2991a1341f41b73bdea332
[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" "d8e8d3839520ecca2df4312aa9f2810253a6145d8c2991a1341f41b73bdea332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8e8d3839520ecca2df4312aa9f2810253a6145d8c2991a1341f41b73bdea332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e8d3839520ecca2df4312aa9f2810253a6145d8c2991a1341f41b73bdea332", kill_on_drop: false }`
[INFO] [stdout] d8e8d3839520ecca2df4312aa9f2810253a6145d8c2991a1341f41b73bdea332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d4009a9409d283160d9392c3b5a985e93364e20304374236612f2922f5d67b0d
[INFO] running `Command { std: "docker" "start" "-a" "d4009a9409d283160d9392c3b5a985e93364e20304374236612f2922f5d67b0d", kill_on_drop: false }`
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking mailparse v0.6.5
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]  Documenting mailproc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (self.headers && self.body && self.raw)
[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 3.37s
[INFO] running `Command { std: "docker" "inspect" "d4009a9409d283160d9392c3b5a985e93364e20304374236612f2922f5d67b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4009a9409d283160d9392c3b5a985e93364e20304374236612f2922f5d67b0d", kill_on_drop: false }`
[INFO] [stdout] d4009a9409d283160d9392c3b5a985e93364e20304374236612f2922f5d67b0d
