[INFO] fetching crate libunicorn-sys 0.9.1...
[INFO] documenting libunicorn-sys-0.9.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate libunicorn-sys 0.9.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libunicorn-sys 0.9.1 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 libunicorn-sys 0.9.1
[INFO] finished tweaking crates.io crate libunicorn-sys 0.9.1
[INFO] tweaked toml for crates.io crate libunicorn-sys 0.9.1 written to /workspace/builds/worker-3/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-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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5de91b3c1a8e8b2b89c2d1d12c437bf572f779202c62037aeafcb857aef8285
[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" "a5de91b3c1a8e8b2b89c2d1d12c437bf572f779202c62037aeafcb857aef8285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5de91b3c1a8e8b2b89c2d1d12c437bf572f779202c62037aeafcb857aef8285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5de91b3c1a8e8b2b89c2d1d12c437bf572f779202c62037aeafcb857aef8285", kill_on_drop: false }`
[INFO] [stdout] a5de91b3c1a8e8b2b89c2d1d12c437bf572f779202c62037aeafcb857aef8285
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cebf0604d9e96ed1474f91f6275ea04c6983af107a2559cdc78e19edbe02f17
[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" "8cebf0604d9e96ed1474f91f6275ea04c6983af107a2559cdc78e19edbe02f17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling libunicorn-sys v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting libunicorn-sys v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/unicorn_const.rs:174:19
[INFO] [stdout]     |
[INFO] [stdout] 174 |     MEM_INVALID = (0b111111 << 4), // Hook type for all events of illegal memory access
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/unicorn_const.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     MEM_VALID = (0b111 << 10), // Hook type for all events of valid memory access
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "8cebf0604d9e96ed1474f91f6275ea04c6983af107a2559cdc78e19edbe02f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cebf0604d9e96ed1474f91f6275ea04c6983af107a2559cdc78e19edbe02f17", kill_on_drop: false }`
[INFO] [stdout] 8cebf0604d9e96ed1474f91f6275ea04c6983af107a2559cdc78e19edbe02f17