[INFO] fetching crate might-be-minified 0.3.0...
[INFO] documenting might-be-minified-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate might-be-minified 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate might-be-minified 0.3.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate might-be-minified 0.3.0
[INFO] finished tweaking crates.io crate might-be-minified 0.3.0
[INFO] tweaked toml for crates.io crate might-be-minified 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 1125c638393173742eec766bb6db3baf6b3adbec8338df6af08db8fe2945de98
[INFO] running `Command { std: "docker" "start" "-a" "1125c638393173742eec766bb6db3baf6b3adbec8338df6af08db8fe2945de98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1125c638393173742eec766bb6db3baf6b3adbec8338df6af08db8fe2945de98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1125c638393173742eec766bb6db3baf6b3adbec8338df6af08db8fe2945de98", kill_on_drop: false }`
[INFO] [stdout] 1125c638393173742eec766bb6db3baf6b3adbec8338df6af08db8fe2945de98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-08-29" "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] d54cfa519018927356d4bed6a1a2ef4f3fdbc4b68eaffcd7b0af42fa7598330c
[INFO] running `Command { std: "docker" "start" "-a" "d54cfa519018927356d4bed6a1a2ef4f3fdbc4b68eaffcd7b0af42fa7598330c", kill_on_drop: false }`
[INFO] [stderr]  Documenting might-be-minified v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         (p_space * 0.1 + p_name * 0.4 + p_shape * 0.2 + p_line * 0.3)
[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 1.89s
[INFO] running `Command { std: "docker" "inspect" "d54cfa519018927356d4bed6a1a2ef4f3fdbc4b68eaffcd7b0af42fa7598330c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54cfa519018927356d4bed6a1a2ef4f3fdbc4b68eaffcd7b0af42fa7598330c", kill_on_drop: false }`
[INFO] [stdout] d54cfa519018927356d4bed6a1a2ef4f3fdbc4b68eaffcd7b0af42fa7598330c