[INFO] updating cached repository tehroot/gpiorust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tehroot/gpiorust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tehroot/gpiorust" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tehroot/gpiorust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tehroot/gpiorust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tehroot/gpiorust" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tehroot/gpiorust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tehroot/gpiorust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18cefba09e9c958be9f5013130f148031a52779d
[INFO] sha for GitHub repo tehroot/gpiorust: 18cefba09e9c958be9f5013130f148031a52779d
[INFO] validating manifest of tehroot/gpiorust on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tehroot/gpiorust on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tehroot/gpiorust
[INFO] finished frobbing tehroot/gpiorust
[INFO] frobbed toml for tehroot/gpiorust written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tehroot/gpiorust/Cargo.toml
[INFO] started frobbing tehroot/gpiorust
[INFO] finished frobbing tehroot/gpiorust
[INFO] frobbed toml for tehroot/gpiorust written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tehroot/gpiorust/Cargo.toml
[INFO] crate tehroot/gpiorust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tehroot/gpiorust against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tehroot/gpiorust:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e3ee40a89677e2724885107496908d291fbd9b58ad4575cb67b3d74c882fcdb0
[INFO] running `"docker" "start" "-a" "e3ee40a89677e2724885107496908d291fbd9b58ad4575cb67b3d74c882fcdb0"`
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking sysfs_gpio v0.5.1
[INFO] [stderr]     Checking test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if let Some(value) = poller.poll(1000)? {
[INFO] [stderr]    |                         ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if let Some(value) = poller.poll(1000)? {
[INFO] [stderr]    |                         ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `"docker" "inspect" "e3ee40a89677e2724885107496908d291fbd9b58ad4575cb67b3d74c882fcdb0"`
[INFO] running `"docker" "rm" "-f" "e3ee40a89677e2724885107496908d291fbd9b58ad4575cb67b3d74c882fcdb0"`
[INFO] [stdout] e3ee40a89677e2724885107496908d291fbd9b58ad4575cb67b3d74c882fcdb0