[INFO] cloning repository https://github.com/suhr/xephys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/xephys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fxephys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fxephys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c180e1f591342246913c3ea6e26c7cd3aa748f48
[INFO] checking suhr/xephys against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fxephys" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/xephys on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/xephys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/diaschisma/miosc.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rosc v0.1.6
[INFO] [stderr]   Downloaded jack v0.6.2
[INFO] [stderr]   Downloaded jack-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cefedd49670842545134e7dc15947117fe73a7384ad9af1e638f808cecaca021
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cefedd49670842545134e7dc15947117fe73a7384ad9af1e638f808cecaca021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cefedd49670842545134e7dc15947117fe73a7384ad9af1e638f808cecaca021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefedd49670842545134e7dc15947117fe73a7384ad9af1e638f808cecaca021", kill_on_drop: false }`
[INFO] [stdout] cefedd49670842545134e7dc15947117fe73a7384ad9af1e638f808cecaca021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09320c2d00f7633fa31c97e84eecd92fe86953c986f7881d2412271d7dd3f7a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09320c2d00f7633fa31c97e84eecd92fe86953c986f7881d2412271d7dd3f7a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.2
[INFO] [stderr]     Checking rosc v0.1.6
[INFO] [stderr]     Checking miosc v0.1.0 (https://github.com/diaschisma/miosc.git#b1ed9a6d)
[INFO] [stderr]     Checking xephys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:775:5
[INFO] [stdout]     |
[INFO] [stdout] 764 | /     loop {
[INFO] [stdout] 765 | |         let msg = read_osc(&socket);
[INFO] [stdout] 766 | |
[INFO] [stdout] 767 | |         if let Ok(msg) = msg {
[INFO] [stdout] ...   |
[INFO] [stdout] 772 | |         ::std::thread::sleep(dt);
[INFO] [stdout] 773 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 774 | 
[INFO] [stdout] 775 |       active_client.deactivate().unwrap();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_client`
[INFO] [stdout]    --> src/main.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 760 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_client`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/primitives.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 AdsrState::Press(mut t) if (t as f32) < self.attack => {
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:775:5
[INFO] [stdout]     |
[INFO] [stdout] 764 | /     loop {
[INFO] [stdout] 765 | |         let msg = read_osc(&socket);
[INFO] [stdout] 766 | |
[INFO] [stdout] 767 | |         if let Ok(msg) = msg {
[INFO] [stdout] ...   |
[INFO] [stdout] 772 | |         ::std::thread::sleep(dt);
[INFO] [stdout] 773 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 774 | 
[INFO] [stdout] 775 |       active_client.deactivate().unwrap();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_client`
[INFO] [stdout]    --> src/main.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 760 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_client`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/primitives.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 AdsrState::Press(mut t) if (t as f32) < self.attack => {
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "09320c2d00f7633fa31c97e84eecd92fe86953c986f7881d2412271d7dd3f7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09320c2d00f7633fa31c97e84eecd92fe86953c986f7881d2412271d7dd3f7a3", kill_on_drop: false }`
[INFO] [stdout] 09320c2d00f7633fa31c97e84eecd92fe86953c986f7881d2412271d7dd3f7a3