[INFO] fetching crate mpu9250-i2c 0.6.6...
[INFO] checking mpu9250-i2c-0.6.6 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[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 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded m v0.1.1
[INFO] [stderr]   Downloaded mat v0.2.0
[INFO] [stderr]   Downloaded madgwick v0.1.1
[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" "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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4430a348f28d1b10a1a6943f39e84406a931164d96e60d285d4ac0eaaf90a0c0
[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" "4430a348f28d1b10a1a6943f39e84406a931164d96e60d285d4ac0eaaf90a0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4430a348f28d1b10a1a6943f39e84406a931164d96e60d285d4ac0eaaf90a0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4430a348f28d1b10a1a6943f39e84406a931164d96e60d285d4ac0eaaf90a0c0", kill_on_drop: false }`
[INFO] [stdout] 4430a348f28d1b10a1a6943f39e84406a931164d96e60d285d4ac0eaaf90a0c0
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--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] 4680d678861713adb2c4b39758ee32e786b0ccf94399571b6b5c0d19deeeb4dc
[INFO] running `Command { std: "docker" "start" "-a" "4680d678861713adb2c4b39758ee32e786b0ccf94399571b6b5c0d19deeeb4dc", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking 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]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking mat v0.2.0
[INFO] [stderr]     Checking madgwick v0.1.1
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[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: variable does not need to be mutable
[INFO] [stdout]    --> examples/calibrate.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |     let mut vm = mpu9250.get_mag().unwrap();
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.53s
[INFO] running `Command { std: "docker" "inspect" "4680d678861713adb2c4b39758ee32e786b0ccf94399571b6b5c0d19deeeb4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4680d678861713adb2c4b39758ee32e786b0ccf94399571b6b5c0d19deeeb4dc", kill_on_drop: false }`
[INFO] [stdout] 4680d678861713adb2c4b39758ee32e786b0ccf94399571b6b5c0d19deeeb4dc