[INFO] crate mpu9250-i2c 0.6.6 is already in cache
[INFO] extracting crate mpu9250-i2c 0.6.6 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/mpu9250-i2c/0.6.6
[INFO] extracting crate mpu9250-i2c 0.6.6 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/mpu9250-i2c/0.6.6
[INFO] validating manifest of mpu9250-i2c-0.6.6 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mpu9250-i2c-0.6.6 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mpu9250-i2c-0.6.6
[INFO] finished frobbing mpu9250-i2c-0.6.6
[INFO] frobbed toml for mpu9250-i2c-0.6.6 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/mpu9250-i2c/0.6.6/Cargo.toml
[INFO] started frobbing mpu9250-i2c-0.6.6
[INFO] finished frobbing mpu9250-i2c-0.6.6
[INFO] frobbed toml for mpu9250-i2c-0.6.6 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/mpu9250-i2c/0.6.6/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mpu9250-i2c-0.6.6 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/mpu9250-i2c/0.6.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fc6449a543ebf67c466eb5a7f41b624b009aa23d0ba75002aa44bc427cdd89f1
[INFO] running `"docker" "start" "-a" "fc6449a543ebf67c466eb5a7f41b624b009aa23d0ba75002aa44bc427cdd89f1"`
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]     Checking mpu9250-i2c v0.6.6 (/opt/crater/workdir)
[INFO] [stderr]     Checking mat v0.2.0
[INFO] [stderr]     Checking madgwick v0.1.1
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/calibrate.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 |     let mut vm = mpu9250.get_mag().unwrap();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "fc6449a543ebf67c466eb5a7f41b624b009aa23d0ba75002aa44bc427cdd89f1"`
[INFO] running `"docker" "rm" "-f" "fc6449a543ebf67c466eb5a7f41b624b009aa23d0ba75002aa44bc427cdd89f1"`
[INFO] [stdout] fc6449a543ebf67c466eb5a7f41b624b009aa23d0ba75002aa44bc427cdd89f1