Dec 18 02:30:22.044 INFO checking chiro/bme280-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:30:22.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/chiro/bme280-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:30:22.526 INFO [stdout] 7d32c6fcf0fd5831eaec768a34b00a422f18f4c58bce1d96a7e1923355666add
Dec 18 02:30:22.528 INFO running `"docker" "start" "-a" "7d32c6fcf0fd5831eaec768a34b00a422f18f4c58bce1d96a7e1923355666add"`
Dec 18 02:30:24.197 INFO [stderr]    Compiling serde v1.0.29
Dec 18 02:30:24.197 INFO [stderr]    Compiling num-traits v0.2.1
Dec 18 02:30:24.204 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 18 02:30:24.204 INFO [stderr]     Checking regex v0.2.7
Dec 18 02:30:24.204 INFO [stderr]    Compiling serde_derive v1.0.29
Dec 18 02:30:24.204 INFO [stderr]    Compiling tempdir v0.3.6
Dec 18 02:30:49.369 INFO [stderr]     Checking docopt v0.8.3
Dec 18 02:30:52.392 INFO [stderr]    Compiling backtrace v0.3.5
Dec 18 02:30:54.657 INFO [stderr]    Compiling error-chain v0.11.0
Dec 18 02:30:57.021 INFO [stderr]    Compiling semver v0.8.0
Dec 18 02:30:57.021 INFO [stderr]    Compiling serde_json v1.0.10
Dec 18 02:31:01.488 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 18 02:31:04.504 INFO [stderr]    Compiling skeptic v0.13.2
Dec 18 02:31:08.386 INFO [stderr]    Compiling i2cdev v0.3.2
Dec 18 02:31:11.104 INFO [stderr]     Checking bme280-rs v0.0.2 (/opt/crater/workdir)
Dec 18 02:31:11.437 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 02:31:11.437 INFO [stderr]    --> src/bme280.rs:284:44
Dec 18 02:31:11.437 INFO [stderr]     |
Dec 18 02:31:11.437 INFO [stderr] 284 |             return Err(Nix(nix::Error::Sys((nix::errno::Errno::ENXIO))));
Dec 18 02:31:11.437 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:31:11.437 INFO [stderr]     |
Dec 18 02:31:11.437 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 02:31:11.437 INFO [stderr] 
Dec 18 02:31:11.476 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 02:31:11.476 INFO [stderr]    --> src/bme280.rs:284:44
Dec 18 02:31:11.476 INFO [stderr]     |
Dec 18 02:31:11.476 INFO [stderr] 284 |             return Err(Nix(nix::Error::Sys((nix::errno::Errno::ENXIO))));
Dec 18 02:31:11.476 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 02:31:11.476 INFO [stderr]     |
Dec 18 02:31:11.476 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 02:31:11.476 INFO [stderr] 
Dec 18 02:31:12.718 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.67s
Dec 18 02:31:13.340 INFO running `"docker" "inspect" "7d32c6fcf0fd5831eaec768a34b00a422f18f4c58bce1d96a7e1923355666add"`
Dec 18 02:31:13.622 INFO running `"docker" "rm" "-f" "7d32c6fcf0fd5831eaec768a34b00a422f18f4c58bce1d96a7e1923355666add"`
Dec 18 02:31:13.996 INFO [stdout] 7d32c6fcf0fd5831eaec768a34b00a422f18f4c58bce1d96a7e1923355666add