[INFO] fetching crate xdg-user 0.2.1... [INFO] testing xdg-user-0.2.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate xdg-user 0.2.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate xdg-user 0.2.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b508cf1e0caac0c1f739323a105f90284acb73ad67220c9ab0c27b7f92bafeb3 [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" "b508cf1e0caac0c1f739323a105f90284acb73ad67220c9ab0c27b7f92bafeb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b508cf1e0caac0c1f739323a105f90284acb73ad67220c9ab0c27b7f92bafeb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b508cf1e0caac0c1f739323a105f90284acb73ad67220c9ab0c27b7f92bafeb3", kill_on_drop: false }` [INFO] [stdout] b508cf1e0caac0c1f739323a105f90284acb73ad67220c9ab0c27b7f92bafeb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] 3ba370821781921260277ae4f62ae7c1cc72ff046c3c7d6334cfe963379d4154 [INFO] running `Command { std: "docker" "start" "-a" "3ba370821781921260277ae4f62ae7c1cc72ff046c3c7d6334cfe963379d4154", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling xdg-user v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.12s [INFO] running `Command { std: "docker" "inspect" "3ba370821781921260277ae4f62ae7c1cc72ff046c3c7d6334cfe963379d4154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ba370821781921260277ae4f62ae7c1cc72ff046c3c7d6334cfe963379d4154", kill_on_drop: false }` [INFO] [stdout] 3ba370821781921260277ae4f62ae7c1cc72ff046c3c7d6334cfe963379d4154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 5b96d4899a81c7b155f22ac1c422988caa06ab80006929a5dc5a5e3ffe6f0560 [INFO] running `Command { std: "docker" "start" "-a" "5b96d4899a81c7b155f22ac1c422988caa06ab80006929a5dc5a5e3ffe6f0560", kill_on_drop: false }` [INFO] [stderr] Compiling xdg-user v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "5b96d4899a81c7b155f22ac1c422988caa06ab80006929a5dc5a5e3ffe6f0560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b96d4899a81c7b155f22ac1c422988caa06ab80006929a5dc5a5e3ffe6f0560", kill_on_drop: false }` [INFO] [stdout] 5b96d4899a81c7b155f22ac1c422988caa06ab80006929a5dc5a5e3ffe6f0560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7eab13c6cfe3ccc8730cdc7c28ac49b8ea94bc15ee7d09ae6a8836dfd757720e [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" "7eab13c6cfe3ccc8730cdc7c28ac49b8ea94bc15ee7d09ae6a8836dfd757720e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xdg_user-843eeceec87c3344) [INFO] [stdout] [INFO] [stderr] Doc-tests xdg-user [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] [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 0.38s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "7eab13c6cfe3ccc8730cdc7c28ac49b8ea94bc15ee7d09ae6a8836dfd757720e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eab13c6cfe3ccc8730cdc7c28ac49b8ea94bc15ee7d09ae6a8836dfd757720e", kill_on_drop: false }` [INFO] [stdout] 7eab13c6cfe3ccc8730cdc7c28ac49b8ea94bc15ee7d09ae6a8836dfd757720e