[INFO] cloning repository mlen/ddcpoll
[INFO] running `"git" "clone" "--bare" "git://github.com/mlen/ddcpoll.git" "work/cache/sources/gh/mlen/ddcpoll"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mlen/ddcpoll'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mlen/ddcpoll" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mlen/ddcpoll"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mlen/ddcpoll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mlen/ddcpoll" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mlen/ddcpoll"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mlen/ddcpoll'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 683041f79b2ff6836ef226d2c5317575f2eb5620
[INFO] sha for GitHub repo mlen/ddcpoll: 683041f79b2ff6836ef226d2c5317575f2eb5620
[INFO] validating manifest of mlen/ddcpoll on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mlen/ddcpoll on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mlen/ddcpoll
[INFO] finished frobbing mlen/ddcpoll
[INFO] frobbed toml for mlen/ddcpoll written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mlen/ddcpoll/Cargo.toml
[INFO] started frobbing mlen/ddcpoll
[INFO] finished frobbing mlen/ddcpoll
[INFO] frobbed toml for mlen/ddcpoll written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mlen/ddcpoll/Cargo.toml
[INFO] crate mlen/ddcpoll already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nvapi v0.1.2
[INFO] [stderr]   Downloaded edid v0.2.0
[INFO] [stderr]   Downloaded ddc-hi v0.1.3
[INFO] [stderr]   Downloaded mccs v0.1.0
[INFO] [stderr]   Downloaded ddc v0.2.1
[INFO] [stderr]   Downloaded nvapi-sys v0.1.2
[INFO] [stderr]   Downloaded i2c-linux v0.1.1
[INFO] [stderr]   Downloaded mccs-caps v0.1.0
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.0
[INFO] [stderr]   Downloaded mccs-db v0.1.2
[INFO] [stderr]   Downloaded ddc-winapi v0.2.0
[INFO] [stderr]   Downloaded ddc-i2c v0.2.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking mlen/ddcpoll against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mlen/ddcpoll:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0bcd5a28ff11a628c041cd4828885c5de018d0373966633d349c749fdfdca553
[INFO] running `"docker" "start" "-a" "0bcd5a28ff11a628c041cd4828885c5de018d0373966633d349c749fdfdca553"`
[INFO] [stderr]    Compiling ddc-hi v0.1.3
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking uninitialized v0.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking i2c-linux v0.1.1
[INFO] [stderr]     Checking ddc v0.2.1
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking edid v0.2.0
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking ddcpoll v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for mut display in &mut self.displays {
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for mut display in &mut self.displays {
[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 23.92s
[INFO] running `"docker" "inspect" "0bcd5a28ff11a628c041cd4828885c5de018d0373966633d349c749fdfdca553"`
[INFO] running `"docker" "rm" "-f" "0bcd5a28ff11a628c041cd4828885c5de018d0373966633d349c749fdfdca553"`
[INFO] [stdout] 0bcd5a28ff11a628c041cd4828885c5de018d0373966633d349c749fdfdca553