[INFO] fetching crate dbus-macros 0.2.3... [INFO] testing dbus-macros-0.2.3 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate dbus-macros 0.2.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate dbus-macros 0.2.3 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate dbus-macros 0.2.3 [INFO] finished tweaking crates.io crate dbus-macros 0.2.3 [INFO] tweaked toml for crates.io crate dbus-macros 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] e75856a0ffbc569f0f97f013c53759597c20be071a353e88e096023d35c5871e [INFO] running `Command { std: "docker" "start" "-a" "e75856a0ffbc569f0f97f013c53759597c20be071a353e88e096023d35c5871e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e75856a0ffbc569f0f97f013c53759597c20be071a353e88e096023d35c5871e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e75856a0ffbc569f0f97f013c53759597c20be071a353e88e096023d35c5871e", kill_on_drop: false }` [INFO] [stdout] e75856a0ffbc569f0f97f013c53759597c20be071a353e88e096023d35c5871e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d8cd05edfa8bc0a7b9007785ab7a4f5697743939314d1d3cf556c14bac691cc [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" "5d8cd05edfa8bc0a7b9007785ab7a4f5697743939314d1d3cf556c14bac691cc", kill_on_drop: false }` [INFO] [stderr] Compiling libdbus-sys v0.1.5 [INFO] [stderr] Compiling dbus v0.5.4 [INFO] [stderr] Compiling dbus-macros v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.16s [INFO] running `Command { std: "docker" "inspect" "5d8cd05edfa8bc0a7b9007785ab7a4f5697743939314d1d3cf556c14bac691cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d8cd05edfa8bc0a7b9007785ab7a4f5697743939314d1d3cf556c14bac691cc", kill_on_drop: false }` [INFO] [stdout] 5d8cd05edfa8bc0a7b9007785ab7a4f5697743939314d1d3cf556c14bac691cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6ba01c8c01fbbb187cd4d146ecc8fe46893453331c19b09066d2d8bb5dc425e [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" "e6ba01c8c01fbbb187cd4d146ecc8fe46893453331c19b09066d2d8bb5dc425e", kill_on_drop: false }` [INFO] [stderr] Compiling dbus-macros v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> examples/client.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stdout] 29 | | fn hello() -> String; [INFO] [stdout] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stdout] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stdout] ... | [INFO] [stdout] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stdout] 43 | | }); [INFO] [stdout] | |___^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.94s [INFO] running `Command { std: "docker" "inspect" "e6ba01c8c01fbbb187cd4d146ecc8fe46893453331c19b09066d2d8bb5dc425e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6ba01c8c01fbbb187cd4d146ecc8fe46893453331c19b09066d2d8bb5dc425e", kill_on_drop: false }` [INFO] [stdout] e6ba01c8c01fbbb187cd4d146ecc8fe46893453331c19b09066d2d8bb5dc425e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 99bc11ce8630eb999d7f5acbe60c96c24a02ae219039e9b780c3c8956802b5dc [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" "99bc11ce8630eb999d7f5acbe60c96c24a02ae219039e9b780c3c8956802b5dc", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/client.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / dbus_interface!("com.dbus.test", interface Hello { [INFO] [stderr] 29 | | fn hello() -> String; [INFO] [stderr] 30 | | fn hello_with_name(name: &str) -> String; [INFO] [stderr] 31 | | fn greeting(greeting: &str, name: &str) -> String; [INFO] [stderr] ... | [INFO] [stderr] 42 | | fn debug5(arg1: &str, arg2: &str, arg3: &str, arg4: &str, arg5: &str); [INFO] [stderr] 43 | | }); [INFO] [stderr] | |___^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dbus_macros-67b4a021716edc8c [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 [INFO] [stdout] [INFO] [stderr] Doc-tests dbus-macros [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "99bc11ce8630eb999d7f5acbe60c96c24a02ae219039e9b780c3c8956802b5dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99bc11ce8630eb999d7f5acbe60c96c24a02ae219039e9b780c3c8956802b5dc", kill_on_drop: false }` [INFO] [stdout] 99bc11ce8630eb999d7f5acbe60c96c24a02ae219039e9b780c3c8956802b5dc