[INFO] updating cached repository swapsCAPS/hexapod
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/swapsCAPS/hexapod
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/swapsCAPS/hexapod" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/swapsCAPS/hexapod"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/swapsCAPS/hexapod'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/swapsCAPS/hexapod" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/swapsCAPS/hexapod"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/swapsCAPS/hexapod'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f8d93a14d8556450abb492e51b4a8405024a72ce
[INFO] sha for GitHub repo swapsCAPS/hexapod: f8d93a14d8556450abb492e51b4a8405024a72ce
[INFO] validating manifest of swapsCAPS/hexapod on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swapsCAPS/hexapod on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing swapsCAPS/hexapod
[INFO] finished frobbing swapsCAPS/hexapod
[INFO] frobbed toml for swapsCAPS/hexapod written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/swapsCAPS/hexapod/Cargo.toml
[INFO] started frobbing swapsCAPS/hexapod
[INFO] finished frobbing swapsCAPS/hexapod
[INFO] frobbed toml for swapsCAPS/hexapod written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/swapsCAPS/hexapod/Cargo.toml
[INFO] crate swapsCAPS/hexapod already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking swapsCAPS/hexapod against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-4/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/swapsCAPS/hexapod:/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d9e7c5bb7a270a6f6fa63691eb9ef8951407a4411a1837501f7e17abfffb0fd5
[INFO] running `"docker" "start" "-a" "d9e7c5bb7a270a6f6fa63691eb9ef8951407a4411a1837501f7e17abfffb0fd5"`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling i2c-pca9685 v0.1.9-pre (https://github.com/querry43/i2c-pca9685#4b0ddf24)
[INFO] [stderr]     Checking hexapod v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `max`
[INFO] [stderr]   --> src/main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   max:           u16,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test`
[INFO] [stderr]   --> src/main.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |   fn test(&self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Middle`
[INFO] [stderr]   --> src/main.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 | enum LegType { Front, Middle, Back }
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Back`
[INFO] [stderr]   --> src/main.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 | enum LegType { Front, Middle, Back }
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 |       while true {
[INFO] [stderr]    |       ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |         while true {
[INFO] [stderr]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max`
[INFO] [stderr]   --> src/main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   max:           u16,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test`
[INFO] [stderr]   --> src/main.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |   fn test(&self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Middle`
[INFO] [stderr]   --> src/main.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 | enum LegType { Front, Middle, Back }
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Back`
[INFO] [stderr]   --> src/main.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 | enum LegType { Front, Middle, Back }
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 |       while true {
[INFO] [stderr]    |       ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(while_true)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |         while true {
[INFO] [stderr]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.46s
[INFO] running `"docker" "inspect" "d9e7c5bb7a270a6f6fa63691eb9ef8951407a4411a1837501f7e17abfffb0fd5"`
[INFO] running `"docker" "rm" "-f" "d9e7c5bb7a270a6f6fa63691eb9ef8951407a4411a1837501f7e17abfffb0fd5"`
[INFO] [stdout] d9e7c5bb7a270a6f6fa63691eb9ef8951407a4411a1837501f7e17abfffb0fd5