[INFO] cloning repository https://github.com/suhr/msfz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/msfz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 444927e9c715b6a56f4d926bbdd3f091ded516eb
[INFO] checking suhr/msfz against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/msfz on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suhr/msfz
[INFO] finished tweaking git repo https://github.com/suhr/msfz
[INFO] tweaked toml for git repo https://github.com/suhr/msfz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/msfz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/suhr/resample.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hound v3.3.1
[INFO] [stderr]   Downloaded monochord v0.1.1
[INFO] [stderr]   Downloaded jack v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22fae4785dca0b49007242d2ac21c2a0c23d334c4290266209ac7e67ea5dfdf0
[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" "22fae4785dca0b49007242d2ac21c2a0c23d334c4290266209ac7e67ea5dfdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22fae4785dca0b49007242d2ac21c2a0c23d334c4290266209ac7e67ea5dfdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fae4785dca0b49007242d2ac21c2a0c23d334c4290266209ac7e67ea5dfdf0", kill_on_drop: false }`
[INFO] [stdout] 22fae4785dca0b49007242d2ac21c2a0c23d334c4290266209ac7e67ea5dfdf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a949fc125e9f435a9d6d3f57f1b7521e545f40b19a067a62e60bde91688c8e85
[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" "a949fc125e9f435a9d6d3f57f1b7521e545f40b19a067a62e60bde91688c8e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking resample v0.1.0 (https://github.com/suhr/resample.git#4dbc5c81)
[INFO] [stderr]     Checking monochord v0.1.1
[INFO] [stderr]     Checking hound v3.3.1
[INFO] [stderr]     Checking rosc v0.1.5
[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 msfz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::error;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::error;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | /     loop {
[INFO] [stdout] 180 | |         use miosc::MioscMessage as MM;
[INFO] [stdout] 181 | |         let msg = read_miosc(&socket);
[INFO] [stdout] 182 | |         // let sample = Sample {
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |         ::std::thread::sleep(dt);
[INFO] [stdout] 206 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 207 | 
[INFO] [stdout] 208 |       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:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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: unreachable statement
[INFO] [stdout]    --> src/main.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | /     loop {
[INFO] [stdout] 180 | |         use miosc::MioscMessage as MM;
[INFO] [stdout] 181 | |         let msg = read_miosc(&socket);
[INFO] [stdout] 182 | |         // let sample = Sample {
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |         ::std::thread::sleep(dt);
[INFO] [stdout] 206 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 207 | 
[INFO] [stdout] 208 |       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:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a949fc125e9f435a9d6d3f57f1b7521e545f40b19a067a62e60bde91688c8e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a949fc125e9f435a9d6d3f57f1b7521e545f40b19a067a62e60bde91688c8e85", kill_on_drop: false }`
[INFO] [stdout] a949fc125e9f435a9d6d3f57f1b7521e545f40b19a067a62e60bde91688c8e85