[INFO] fetching crate camctl_rs 0.1.2... [INFO] testing camctl_rs-0.1.2 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate camctl_rs 0.1.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate camctl_rs 0.1.2 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate camctl_rs 0.1.2 [INFO] finished tweaking crates.io crate camctl_rs 0.1.2 [INFO] tweaked toml for crates.io crate camctl_rs 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5257b9c6b90fadf604aad3d92a85772d840918720e08253d90ed0d224c444850 [INFO] running `Command { std: "docker" "start" "-a" "5257b9c6b90fadf604aad3d92a85772d840918720e08253d90ed0d224c444850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5257b9c6b90fadf604aad3d92a85772d840918720e08253d90ed0d224c444850", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5257b9c6b90fadf604aad3d92a85772d840918720e08253d90ed0d224c444850", kill_on_drop: false }` [INFO] [stdout] 5257b9c6b90fadf604aad3d92a85772d840918720e08253d90ed0d224c444850 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d7714b8a31c74f53b6487029d2a14c2742e0b3dfbf85ccc0edb03051c94fa22 [INFO] running `Command { std: "docker" "start" "-a" "9d7714b8a31c74f53b6487029d2a14c2742e0b3dfbf85ccc0edb03051c94fa22", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling usb-device v0.2.8 [INFO] [stderr] Compiling bit-set v0.2.0 [INFO] [stderr] Compiling libusb-sys v0.2.3 [INFO] [stderr] Compiling libusb v0.3.0 [INFO] [stderr] Compiling camctl_rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.31s [INFO] running `Command { std: "docker" "inspect" "9d7714b8a31c74f53b6487029d2a14c2742e0b3dfbf85ccc0edb03051c94fa22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d7714b8a31c74f53b6487029d2a14c2742e0b3dfbf85ccc0edb03051c94fa22", kill_on_drop: false }` [INFO] [stdout] 9d7714b8a31c74f53b6487029d2a14c2742e0b3dfbf85ccc0edb03051c94fa22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23849cbf65412708b4f68109276ad4bfaeeb65f215af9b181cc51703b3a45292 [INFO] running `Command { std: "docker" "start" "-a" "23849cbf65412708b4f68109276ad4bfaeeb65f215af9b181cc51703b3a45292", kill_on_drop: false }` [INFO] [stderr] Compiling camctl_rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/camctl_rs-4743d2e68fc58ba1) [INFO] running `Command { std: "docker" "inspect" "23849cbf65412708b4f68109276ad4bfaeeb65f215af9b181cc51703b3a45292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23849cbf65412708b4f68109276ad4bfaeeb65f215af9b181cc51703b3a45292", kill_on_drop: false }` [INFO] [stdout] 23849cbf65412708b4f68109276ad4bfaeeb65f215af9b181cc51703b3a45292 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 69f30749189e647a286419d8876004671e17dd72677f3f2c42be7deee192fc0d [INFO] running `Command { std: "docker" "start" "-a" "69f30749189e647a286419d8876004671e17dd72677f3f2c42be7deee192fc0d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/camctl_rs-4743d2e68fc58ba1) [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] [stderr] Doc-tests camctl_rs [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/cam.rs - cam::Kraken (line 16) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/cam.rs - cam::Kraken (line 16) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `camctl_rs::Kraken` [INFO] [stdout] --> src/cam.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 4 | use camctl_rs::Kraken; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ no `Kraken` in the root [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/cam.rs:19:33 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_cam_rs_16_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use camctl_rs::Kraken; [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | let ctx = libusb::Context::new()?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 9 | | kraken.set_fan(75); // sets the fan speed to 75% [INFO] [stdout] 10 | | } _doctest_main_src_cam_rs_16_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] [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/cam.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_cam_rs_16_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use camctl_rs::Kraken; [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | let ctx = libusb::Context::new()?; [INFO] [stdout] 7 | | let kraken = Kraken::from(&ctx)?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 8 | | [INFO] [stdout] 9 | | kraken.set_fan(75); // sets the fan speed to 75% [INFO] [stdout] 10 | | } _doctest_main_src_cam_rs_16_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] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0432. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/cam.rs - cam::Kraken (line 16) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "69f30749189e647a286419d8876004671e17dd72677f3f2c42be7deee192fc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69f30749189e647a286419d8876004671e17dd72677f3f2c42be7deee192fc0d", kill_on_drop: false }` [INFO] [stdout] 69f30749189e647a286419d8876004671e17dd72677f3f2c42be7deee192fc0d