[INFO] cloning repository https://github.com/sreetunks/softray
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sreetunks/softray" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreetunks%2Fsoftray", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreetunks%2Fsoftray'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48a6a8cd275dd24321d348fdbae8646086bbf538
[INFO] testing sreetunks/softray against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreetunks%2Fsoftray" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sreetunks/softray
[INFO] finished tweaking git repo https://github.com/sreetunks/softray
[INFO] tweaked toml for git repo https://github.com/sreetunks/softray written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sreetunks/softray on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sreetunks/softray already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded softbuffer v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec67c61a05cb17bf191faf7eb1bdccc2154c0c10089a494395aa64ee1fab3718
[INFO] running `Command { std: "docker" "start" "-a" "ec67c61a05cb17bf191faf7eb1bdccc2154c0c10089a494395aa64ee1fab3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec67c61a05cb17bf191faf7eb1bdccc2154c0c10089a494395aa64ee1fab3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec67c61a05cb17bf191faf7eb1bdccc2154c0c10089a494395aa64ee1fab3718", kill_on_drop: false }`
[INFO] [stdout] ec67c61a05cb17bf191faf7eb1bdccc2154c0c10089a494395aa64ee1fab3718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b9f186cb7db7ad6e79fe337d9da8faf986822e1b84d291bf74c5ab4e5e3d4cea
[INFO] running `Command { std: "docker" "start" "-a" "b9f186cb7db7ad6e79fe337d9da8faf986822e1b84d291bf74c5ab4e5e3d4cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling mio v0.8.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling wayland-commons v0.29.4
[INFO] [stderr]    Compiling calloop v0.9.3
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling wayland-cursor v0.29.4
[INFO] [stderr]    Compiling softbuffer v0.1.0
[INFO] [stderr]    Compiling softray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/main.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 drop(buffer);
[INFO] [stdout]     |                 ^^^^^------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&MutexGuard<'_, Vec<u32>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 471 -                 drop(buffer);
[INFO] [stdout] 471 +                 let _ = buffer;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.92s
[INFO] running `Command { std: "docker" "inspect" "b9f186cb7db7ad6e79fe337d9da8faf986822e1b84d291bf74c5ab4e5e3d4cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f186cb7db7ad6e79fe337d9da8faf986822e1b84d291bf74c5ab4e5e3d4cea", kill_on_drop: false }`
[INFO] [stdout] b9f186cb7db7ad6e79fe337d9da8faf986822e1b84d291bf74c5ab4e5e3d4cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 40dc7f657cba122790817f588d48b8dfdbd8163ca3fb8be21187b56efdb13cdb
[INFO] running `Command { std: "docker" "start" "-a" "40dc7f657cba122790817f588d48b8dfdbd8163ca3fb8be21187b56efdb13cdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling softray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/main.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 drop(buffer);
[INFO] [stdout]     |                 ^^^^^------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&MutexGuard<'_, Vec<u32>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 471 -                 drop(buffer);
[INFO] [stdout] 471 +                 let _ = buffer;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "40dc7f657cba122790817f588d48b8dfdbd8163ca3fb8be21187b56efdb13cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dc7f657cba122790817f588d48b8dfdbd8163ca3fb8be21187b56efdb13cdb", kill_on_drop: false }`
[INFO] [stdout] 40dc7f657cba122790817f588d48b8dfdbd8163ca3fb8be21187b56efdb13cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 63d6defb0f98de9b10cbe7ce372f1daa742dfef47abf5b65bfd4c46bfc8d6a8f
[INFO] running `Command { std: "docker" "start" "-a" "63d6defb0f98de9b10cbe7ce372f1daa742dfef47abf5b65bfd4c46bfc8d6a8f", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/main.rs:471:17
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 drop(buffer);
[INFO] [stderr]     |                 ^^^^^------^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      argument has type `&MutexGuard<'_, Vec<u32>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 471 -                 drop(buffer);
[INFO] [stderr] 471 +                 let _ = buffer;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `softray` (bin "softray" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/softray-1a2c7e531682d4e4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63d6defb0f98de9b10cbe7ce372f1daa742dfef47abf5b65bfd4c46bfc8d6a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d6defb0f98de9b10cbe7ce372f1daa742dfef47abf5b65bfd4c46bfc8d6a8f", kill_on_drop: false }`
[INFO] [stdout] 63d6defb0f98de9b10cbe7ce372f1daa742dfef47abf5b65bfd4c46bfc8d6a8f