[INFO] fetching crate compression 0.1.5...
[INFO] documenting compression-0.1.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate compression 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate compression 0.1.5 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 compression 0.1.5
[INFO] finished tweaking crates.io crate compression 0.1.5
[INFO] tweaked toml for crates.io crate compression 0.1.5 written to /workspace/builds/worker-2/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5280213922d0c8ff7e5f59481b7a3a67fd6396fb105ea829a38491e5840971a4
[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" "5280213922d0c8ff7e5f59481b7a3a67fd6396fb105ea829a38491e5840971a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5280213922d0c8ff7e5f59481b7a3a67fd6396fb105ea829a38491e5840971a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5280213922d0c8ff7e5f59481b7a3a67fd6396fb105ea829a38491e5840971a4", kill_on_drop: false }`
[INFO] [stdout] 5280213922d0c8ff7e5f59481b7a3a67fd6396fb105ea829a38491e5840971a4
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ee2bfed4ba26c8d6ebafc7c26963e7c950ecaef137d6d2c34e019eefa09b69
[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" "d1ee2bfed4ba26c8d6ebafc7c26963e7c950ecaef137d6d2c34e019eefa09b69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting compression v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/crc32.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         { make_table_reverse(0xEDB8_8320) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/crc32.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         { make_table_normal(0x04C1_1DB7) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "d1ee2bfed4ba26c8d6ebafc7c26963e7c950ecaef137d6d2c34e019eefa09b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ee2bfed4ba26c8d6ebafc7c26963e7c950ecaef137d6d2c34e019eefa09b69", kill_on_drop: false }`
[INFO] [stdout] d1ee2bfed4ba26c8d6ebafc7c26963e7c950ecaef137d6d2c34e019eefa09b69