[INFO] cloning repository https://github.com/richardcase/stream-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardcase/stream-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcase%2Fstream-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcase%2Fstream-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd893d710843f17cbd59aac90d741d41f3c8f40a
[INFO] testing richardcase/stream-rs against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcase%2Fstream-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardcase/stream-rs on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardcase/stream-rs
[INFO] finished tweaking git repo https://github.com/richardcase/stream-rs
[INFO] tweaked toml for git repo https://github.com/richardcase/stream-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/richardcase/stream-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vmm-sys-util v0.8.0
[INFO] [stderr]   Downloaded event-manager v0.2.1
[INFO] [stderr]   Downloaded hidapi v1.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5faf16f0eecbe9e6dd7f2825562d954d7d93a0fdf556b345dd445a9ad6ee95ca
[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" "5faf16f0eecbe9e6dd7f2825562d954d7d93a0fdf556b345dd445a9ad6ee95ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5faf16f0eecbe9e6dd7f2825562d954d7d93a0fdf556b345dd445a9ad6ee95ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5faf16f0eecbe9e6dd7f2825562d954d7d93a0fdf556b345dd445a9ad6ee95ca", kill_on_drop: false }`
[INFO] [stdout] 5faf16f0eecbe9e6dd7f2825562d954d7d93a0fdf556b345dd445a9ad6ee95ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87325fc94a3c8a074c93d5d3a2a3b21d1fa585547d8ecb378ce97ed90eaecfd
[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" "e87325fc94a3c8a074c93d5d3a2a3b21d1fa585547d8ecb378ce97ed90eaecfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling vmm-sys-util v0.8.0
[INFO] [stderr]    Compiling hidapi v1.2.6
[INFO] [stderr]    Compiling event-manager v0.2.1
[INFO] [stderr]    Compiling stream-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | /     loop {
[INFO] [stdout] 102 | |         app.run();
[INFO] [stdout] 103 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 104 | 
[INFO] [stdout] 105 |       return 0;
[INFO] [stdout]     |       ^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "e87325fc94a3c8a074c93d5d3a2a3b21d1fa585547d8ecb378ce97ed90eaecfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87325fc94a3c8a074c93d5d3a2a3b21d1fa585547d8ecb378ce97ed90eaecfd", kill_on_drop: false }`
[INFO] [stdout] e87325fc94a3c8a074c93d5d3a2a3b21d1fa585547d8ecb378ce97ed90eaecfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88890fb80a8148e8f30a8ced3040a2d522aaae8bdfb6eea5c85e218dec35344c
[INFO] running `Command { std: "docker" "start" "-a" "88890fb80a8148e8f30a8ced3040a2d522aaae8bdfb6eea5c85e218dec35344c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stream-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | /     loop {
[INFO] [stdout] 102 | |         app.run();
[INFO] [stdout] 103 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 104 | 
[INFO] [stdout] 105 |       return 0;
[INFO] [stdout]     |       ^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "88890fb80a8148e8f30a8ced3040a2d522aaae8bdfb6eea5c85e218dec35344c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88890fb80a8148e8f30a8ced3040a2d522aaae8bdfb6eea5c85e218dec35344c", kill_on_drop: false }`
[INFO] [stdout] 88890fb80a8148e8f30a8ced3040a2d522aaae8bdfb6eea5c85e218dec35344c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8094d3a5aee476de12fc55f7be37cb6f7e825889db343987966397e11cb8fac2
[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" "8094d3a5aee476de12fc55f7be37cb6f7e825889db343987966397e11cb8fac2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 101 | /     loop {
[INFO] [stdout] 
[INFO] [stderr] 102 | |         app.run();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 104 | 
[INFO] [stderr] 105 |       return 0;
[INFO] [stderr]     |       ^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stream-rs` (bin "stream-rs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_rs-269746cbf6f4795f)
[INFO] running `Command { std: "docker" "inspect" "8094d3a5aee476de12fc55f7be37cb6f7e825889db343987966397e11cb8fac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8094d3a5aee476de12fc55f7be37cb6f7e825889db343987966397e11cb8fac2", kill_on_drop: false }`
[INFO] [stdout] 8094d3a5aee476de12fc55f7be37cb6f7e825889db343987966397e11cb8fac2