[INFO] fetching crate xdg-user 0.2.1... [INFO] testing xdg-user-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate xdg-user 0.2.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate xdg-user 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xdg-user 0.2.1 [INFO] finished tweaking crates.io crate xdg-user 0.2.1 [INFO] tweaked toml for crates.io crate xdg-user 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate xdg-user 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded home v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed2609e93e938a7b1e6389c91b822c68d76671dad256c71725819a2edf7d6d34 [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" "ed2609e93e938a7b1e6389c91b822c68d76671dad256c71725819a2edf7d6d34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed2609e93e938a7b1e6389c91b822c68d76671dad256c71725819a2edf7d6d34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed2609e93e938a7b1e6389c91b822c68d76671dad256c71725819a2edf7d6d34", kill_on_drop: false }` [INFO] [stdout] ed2609e93e938a7b1e6389c91b822c68d76671dad256c71725819a2edf7d6d34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b8753d604f771e0f3b5824abf49d17dca82bc58d94021914e403ac14c46ce46 [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" "0b8753d604f771e0f3b5824abf49d17dca82bc58d94021914e403ac14c46ce46", kill_on_drop: false }` [INFO] [stderr] Compiling xdg-user v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "0b8753d604f771e0f3b5824abf49d17dca82bc58d94021914e403ac14c46ce46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b8753d604f771e0f3b5824abf49d17dca82bc58d94021914e403ac14c46ce46", kill_on_drop: false }` [INFO] [stdout] 0b8753d604f771e0f3b5824abf49d17dca82bc58d94021914e403ac14c46ce46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03204c5cb3a3e272a085e7b32f3b5ecc77fee95d25aae6dfcba871a570d95c59 [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" "03204c5cb3a3e272a085e7b32f3b5ecc77fee95d25aae6dfcba871a570d95c59", kill_on_drop: false }` [INFO] [stderr] Compiling xdg-user v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "03204c5cb3a3e272a085e7b32f3b5ecc77fee95d25aae6dfcba871a570d95c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03204c5cb3a3e272a085e7b32f3b5ecc77fee95d25aae6dfcba871a570d95c59", kill_on_drop: false }` [INFO] [stdout] 03204c5cb3a3e272a085e7b32f3b5ecc77fee95d25aae6dfcba871a570d95c59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] f23a4adb26a47c4511035a0426a8277caf020a609a00225b37a8e48b8b7c394f [INFO] running `Command { std: "docker" "start" "-a" "f23a4adb26a47c4511035a0426a8277caf020a609a00225b37a8e48b8b7c394f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xdg_user-8f033932c91fc42d) [INFO] [stdout] [INFO] [stderr] Doc-tests xdg-user [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 15) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 15) 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:16:55 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | println!("Pictures folder: {:?}", xdg_user::pictures()?); [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | println!("Music folder: {:?}", xdg_user::music()?); [INFO] [stdout] 6 | | [INFO] [stdout] ... | [INFO] [stdout] 9 | | println!("Downloads folder: {:?}", dirs.downloads()); [INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_15_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [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:17:52 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | println!("Pictures folder: {:?}", xdg_user::pictures()?); [INFO] [stdout] 5 | | println!("Music folder: {:?}", xdg_user::music()?); [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 6 | | [INFO] [stdout] ... | [INFO] [stdout] 9 | | println!("Downloads folder: {:?}", dirs.downloads()); [INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_15_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [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:19:37 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_15_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | println!("Pictures folder: {:?}", xdg_user::pictures()?); [INFO] [stdout] 5 | | println!("Music folder: {:?}", xdg_user::music()?); [INFO] [stdout] 6 | | [INFO] [stdout] 7 | | let dirs = xdg_user::UserDirs::new()?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 8 | | println!("Documents folder: {:?}", dirs.documents()); [INFO] [stdout] 9 | | println!("Downloads folder: {:?}", dirs.downloads()); [INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_15_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 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 15) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "f23a4adb26a47c4511035a0426a8277caf020a609a00225b37a8e48b8b7c394f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f23a4adb26a47c4511035a0426a8277caf020a609a00225b37a8e48b8b7c394f", kill_on_drop: false }` [INFO] [stdout] f23a4adb26a47c4511035a0426a8277caf020a609a00225b37a8e48b8b7c394f