[INFO] updating cached repository suhr/xephys
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/suhr/xephys
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/xephys" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/suhr/xephys"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/suhr/xephys'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/xephys" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/suhr/xephys"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/suhr/xephys'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e49bfab503d36ec2f1b61653956ced3c4ea6f297
[INFO] sha for GitHub repo suhr/xephys: e49bfab503d36ec2f1b61653956ced3c4ea6f297
[INFO] validating manifest of suhr/xephys on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of suhr/xephys on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing suhr/xephys
[INFO] finished frobbing suhr/xephys
[INFO] frobbed toml for suhr/xephys written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/suhr/xephys/Cargo.toml
[INFO] started frobbing suhr/xephys
[INFO] finished frobbing suhr/xephys
[INFO] frobbed toml for suhr/xephys written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/suhr/xephys/Cargo.toml
[INFO] crate suhr/xephys already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking suhr/xephys against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/suhr/xephys:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e3ed93972832322aaeabf6c2f9df4ece9031e8b45fdfd8c2f5c756b9a0f711f2
[INFO] running `"docker" "start" "-a" "e3ed93972832322aaeabf6c2f9df4ece9031e8b45fdfd8c2f5c756b9a0f711f2"`
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking miosc v0.1.0 (https://github.com/diaschisma/miosc.git#b1ed9a6d)
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking xephys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:773:5
[INFO] [stderr]     |
[INFO] [stderr] 773 |     active_client.deactivate().unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:773:5
[INFO] [stderr]     |
[INFO] [stderr] 773 |     active_client.deactivate().unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_client`
[INFO] [stderr]    --> src/main.rs:758:9
[INFO] [stderr]     |
[INFO] [stderr] 758 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_active_client`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_client`
[INFO] [stderr]    --> src/main.rs:758:9
[INFO] [stderr]     |
[INFO] [stderr] 758 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_active_client`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primitives.rs:107:34
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 AdsrState::Press(mut t) if (t as f32) < self.attack => {
[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/primitives.rs:107:34
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 AdsrState::Press(mut t) if (t as f32) < self.attack => {
[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 3.05s
[INFO] running `"docker" "inspect" "e3ed93972832322aaeabf6c2f9df4ece9031e8b45fdfd8c2f5c756b9a0f711f2"`
[INFO] running `"docker" "rm" "-f" "e3ed93972832322aaeabf6c2f9df4ece9031e8b45fdfd8c2f5c756b9a0f711f2"`
[INFO] [stdout] e3ed93972832322aaeabf6c2f9df4ece9031e8b45fdfd8c2f5c756b9a0f711f2