[INFO] updating cached repository https://github.com/suhr/xephys
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e49bfab503d36ec2f1b61653956ced3c4ea6f297
[INFO] checking suhr/xephys against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fxephys" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/xephys on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/suhr/xephys
[INFO] finished tweaking git repo https://github.com/suhr/xephys
[INFO] tweaked toml for git repo https://github.com/suhr/xephys written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/xephys already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3df6f8c8303426b5dbdcf535af6757dcd58a941dc0499a8296bc829253b23242
[INFO] running `"docker" "start" "-a" "3df6f8c8303426b5dbdcf535af6757dcd58a941dc0499a8296bc829253b23242"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking miosc v0.1.0 (https://github.com/diaschisma/miosc.git#b1ed9a6d)
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking xephys v0.1.0 (/opt/rustwide/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 4.43s
[INFO] running `"docker" "inspect" "3df6f8c8303426b5dbdcf535af6757dcd58a941dc0499a8296bc829253b23242"`
[INFO] running `"docker" "rm" "-f" "3df6f8c8303426b5dbdcf535af6757dcd58a941dc0499a8296bc829253b23242"`
[INFO] [stdout] 3df6f8c8303426b5dbdcf535af6757dcd58a941dc0499a8296bc829253b23242