[INFO] cloning repository https://github.com/UnexomWid/winmix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnexomWid/winmix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnexomWid%2Fwinmix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnexomWid%2Fwinmix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2c3b343da5e18faaff304c033e5ead438901d7a [INFO] testing UnexomWid/winmix against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnexomWid%2Fwinmix" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/UnexomWid/winmix [INFO] finished tweaking git repo https://github.com/UnexomWid/winmix [INFO] tweaked toml for git repo https://github.com/UnexomWid/winmix written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/UnexomWid/winmix on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/UnexomWid/winmix 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-result v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09a2e711501d31392fda04ad087b64c9b19173a52c59cacf8ec432f7c4268f09 [INFO] running `Command { std: "docker" "start" "-a" "09a2e711501d31392fda04ad087b64c9b19173a52c59cacf8ec432f7c4268f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09a2e711501d31392fda04ad087b64c9b19173a52c59cacf8ec432f7c4268f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09a2e711501d31392fda04ad087b64c9b19173a52c59cacf8ec432f7c4268f09", kill_on_drop: false }` [INFO] [stdout] 09a2e711501d31392fda04ad087b64c9b19173a52c59cacf8ec432f7c4268f09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a615b913b516e28e80728da1edc3356c010e1d3f175033d756f9926355811f6 [INFO] running `Command { std: "docker" "start" "-a" "1a615b913b516e28e80728da1edc3356c010e1d3f175033d756f9926355811f6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling windows_x86_64_gnu v0.52.5 [INFO] [stderr] Compiling windows-targets v0.52.5 [INFO] [stderr] Compiling windows-result v0.1.1 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.60 [INFO] [stderr] Compiling windows-interface v0.56.0 [INFO] [stderr] Compiling windows-implement v0.56.0 [INFO] [stderr] Compiling windows-core v0.56.0 [INFO] [stderr] Compiling windows v0.56.0 [INFO] [stderr] Compiling winmix v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.10s [INFO] running `Command { std: "docker" "inspect" "1a615b913b516e28e80728da1edc3356c010e1d3f175033d756f9926355811f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a615b913b516e28e80728da1edc3356c010e1d3f175033d756f9926355811f6", kill_on_drop: false }` [INFO] [stdout] 1a615b913b516e28e80728da1edc3356c010e1d3f175033d756f9926355811f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0d5a35bea91b1eb6b515217e302fdcd9811795b5ed4c0dfcd3ff138945631b9 [INFO] running `Command { std: "docker" "start" "-a" "c0d5a35bea91b1eb6b515217e302fdcd9811795b5ed4c0dfcd3ff138945631b9", kill_on_drop: false }` [INFO] [stderr] Compiling winmix v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "c0d5a35bea91b1eb6b515217e302fdcd9811795b5ed4c0dfcd3ff138945631b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0d5a35bea91b1eb6b515217e302fdcd9811795b5ed4c0dfcd3ff138945631b9", kill_on_drop: false }` [INFO] [stdout] c0d5a35bea91b1eb6b515217e302fdcd9811795b5ed4c0dfcd3ff138945631b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 26ec07652ce86dbf792dd625d4e007a02aac2606ba771950ad380d521d021a82 [INFO] running `Command { std: "docker" "start" "-a" "26ec07652ce86dbf792dd625d4e007a02aac2606ba771950ad380d521d021a82", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/winmix-707a7613dd5aa74e) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests winmix [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 11) - compile ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 11) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 19 | let sessions = winmix.enumerate()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:26:35 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 26 | session.vol.set_mute(true)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 27 | session.vol.set_mute(false)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:30:43 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 30 | session.vol.set_master_volume(0.5)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:32:43 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 32 | session.vol.set_master_volume(1.0)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:35:50 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 35 | let vol = session.vol.get_master_volume()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:36:46 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 36 | let is_muted = session.vol.get_mute()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() -> Result<(), Box> { [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 11) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "26ec07652ce86dbf792dd625d4e007a02aac2606ba771950ad380d521d021a82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26ec07652ce86dbf792dd625d4e007a02aac2606ba771950ad380d521d021a82", kill_on_drop: false }` [INFO] [stdout] 26ec07652ce86dbf792dd625d4e007a02aac2606ba771950ad380d521d021a82