[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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/swapsCAPS/hexapod"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/swapsCAPS/hexapod'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/swapsCAPS/hexapod" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/swapsCAPS/hexapod"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swapsCAPS/hexapod on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking swapsCAPS/hexapod against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 199e30f81ee1f934c732d77bb8c92e65c24ab0b2c5d8cc91e1277283e53644ff
[INFO] running `"docker" "start" "-a" "199e30f81ee1f934c732d77bb8c92e65c24ab0b2c5d8cc91e1277283e53644ff"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling semver v0.9.0
[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 44.95s
[INFO] running `"docker" "inspect" "199e30f81ee1f934c732d77bb8c92e65c24ab0b2c5d8cc91e1277283e53644ff"`
[INFO] running `"docker" "rm" "-f" "199e30f81ee1f934c732d77bb8c92e65c24ab0b2c5d8cc91e1277283e53644ff"`
[INFO] [stdout] 199e30f81ee1f934c732d77bb8c92e65c24ab0b2c5d8cc91e1277283e53644ff