[INFO] fetching crate startin 0.4.7...
[INFO] documenting startin-0.4.7 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate startin 0.4.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate startin 0.4.7 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 startin 0.4.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate startin 0.4.7
[INFO] tweaked toml for crates.io crate startin 0.4.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate startin 0.4.7 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f0c4a7bcddda5f1d85af744290ef3877a4b5e0b6d11638c31e06e4ad30be6dcf
[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" "f0c4a7bcddda5f1d85af744290ef3877a4b5e0b6d11638c31e06e4ad30be6dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c4a7bcddda5f1d85af744290ef3877a4b5e0b6d11638c31e06e4ad30be6dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c4a7bcddda5f1d85af744290ef3877a4b5e0b6d11638c31e06e4ad30be6dcf", kill_on_drop: false }`
[INFO] [stdout] f0c4a7bcddda5f1d85af744290ef3877a4b5e0b6d11638c31e06e4ad30be6dcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f146d986b99c9c3950a01a5656f3b98ac6e94c94e3b7974165bad5845a9603f7
[INFO] running `Command { std: "docker" "start" "-a" "f146d986b99c9c3950a01a5656f3b98ac6e94c94e3b7974165bad5845a9603f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]  Documenting startin v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/geom/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     (det3x3t(a, b, c) / 2.0)
[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 block return value
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (self.0.len() - 1)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:202:13
[INFO] [stdout]     |
[INFO] [stdout] 202 |             (i - 1)
[INFO] [stdout]     |             ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:704:9
[INFO] [stdout]     |
[INFO] [stdout] 704 |         (self.stars.len() - 1 - self.removed_indices.len())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "f146d986b99c9c3950a01a5656f3b98ac6e94c94e3b7974165bad5845a9603f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f146d986b99c9c3950a01a5656f3b98ac6e94c94e3b7974165bad5845a9603f7", kill_on_drop: false }`
[INFO] [stdout] f146d986b99c9c3950a01a5656f3b98ac6e94c94e3b7974165bad5845a9603f7