[INFO] crate mpu9250-i2c 0.6.6 is already in cache
[INFO] documenting mpu9250-i2c-0.6.6 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate mpu9250-i2c 0.6.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mpu9250-i2c 0.6.6 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking crates.io crate mpu9250-i2c 0.6.6
[INFO] finished tweaking crates.io crate mpu9250-i2c 0.6.6
[INFO] tweaked toml for crates.io crate mpu9250-i2c 0.6.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b819fe9a9c9bbe9bfbef022a46abbb8e83bd3cdfda1c43d41d5b3c3a6d51c1a
[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" "2b819fe9a9c9bbe9bfbef022a46abbb8e83bd3cdfda1c43d41d5b3c3a6d51c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b819fe9a9c9bbe9bfbef022a46abbb8e83bd3cdfda1c43d41d5b3c3a6d51c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b819fe9a9c9bbe9bfbef022a46abbb8e83bd3cdfda1c43d41d5b3c3a6d51c1a", kill_on_drop: false }`
[INFO] [stdout] 2b819fe9a9c9bbe9bfbef022a46abbb8e83bd3cdfda1c43d41d5b3c3a6d51c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e714ff2a48662f153ca2e35ec86844d4efc03743e62685dc9570cea225e76224
[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" "e714ff2a48662f153ca2e35ec86844d4efc03743e62685dc9570cea225e76224", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting mpu9250-i2c v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:273:57
[INFO] [stdout]     |
[INFO] [stdout] 273 |   pub fn get_full_scale_gyro_range(&mut self) -> Result<(u8), E> {
[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 type
[INFO] [stdout]    --> src/lib.rs:310:58
[INFO] [stdout]     |
[INFO] [stdout] 310 |   pub fn get_full_scale_accel_range(&mut self) -> Result<(u8), E> {
[INFO] [stdout]     |                                                          ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:538:51
[INFO] [stdout]     |
[INFO] [stdout] 538 |   pub fn enable_magnetometer(&mut self) -> Result<(bool), E> {
[INFO] [stdout]     |                                                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:561:52
[INFO] [stdout]     |
[INFO] [stdout] 561 |   pub fn ak8963_get_device_id(&mut self) -> Result<(u8), E> {
[INFO] [stdout]     |                                                    ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:638:47
[INFO] [stdout]     |
[INFO] [stdout] 638 |   pub fn ak8963_get_cntl(&mut self) -> Result<(mag::Ctnl1), E> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "e714ff2a48662f153ca2e35ec86844d4efc03743e62685dc9570cea225e76224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e714ff2a48662f153ca2e35ec86844d4efc03743e62685dc9570cea225e76224", kill_on_drop: false }`
[INFO] [stdout] e714ff2a48662f153ca2e35ec86844d4efc03743e62685dc9570cea225e76224