[INFO] fetching crate camctl_rs 0.1.2... [INFO] testing camctl_rs-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate camctl_rs 0.1.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate camctl_rs 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a83165c5806296a13476f806130521e77635451c559476b1735a002ad828622 [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" "7a83165c5806296a13476f806130521e77635451c559476b1735a002ad828622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a83165c5806296a13476f806130521e77635451c559476b1735a002ad828622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a83165c5806296a13476f806130521e77635451c559476b1735a002ad828622", kill_on_drop: false }` [INFO] [stdout] 7a83165c5806296a13476f806130521e77635451c559476b1735a002ad828622 [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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6dc3038a4fae5a38b9dc51c013e86ae3f149349b48bcfb9614943edbd4967463 [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" "6dc3038a4fae5a38b9dc51c013e86ae3f149349b48bcfb9614943edbd4967463", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling usb-device v0.2.8 [INFO] [stderr] Compiling libusb-sys v0.2.3 [INFO] [stderr] Compiling bit-set v0.2.0 [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 4.11s [INFO] running `Command { std: "docker" "inspect" "6dc3038a4fae5a38b9dc51c013e86ae3f149349b48bcfb9614943edbd4967463", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dc3038a4fae5a38b9dc51c013e86ae3f149349b48bcfb9614943edbd4967463", kill_on_drop: false }` [INFO] [stdout] 6dc3038a4fae5a38b9dc51c013e86ae3f149349b48bcfb9614943edbd4967463 [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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eacbcc60f2188c560a65a32de458b5b1a0d4c686c983bdd853dd1bc1806d3f47 [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" "eacbcc60f2188c560a65a32de458b5b1a0d4c686c983bdd853dd1bc1806d3f47", kill_on_drop: false }` [INFO] [stderr] Compiling camctl_rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "eacbcc60f2188c560a65a32de458b5b1a0d4c686c983bdd853dd1bc1806d3f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eacbcc60f2188c560a65a32de458b5b1a0d4c686c983bdd853dd1bc1806d3f47", kill_on_drop: false }` [INFO] [stdout] eacbcc60f2188c560a65a32de458b5b1a0d4c686c983bdd853dd1bc1806d3f47 [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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 443932cf8f910a886ea499803cf330dc1ee38493d28c2397757b87031bdb3bab [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" "443932cf8f910a886ea499803cf330dc1ee38493d28c2397757b87031bdb3bab", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/camctl_rs-0125c449c0c6e200) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests camctl_rs [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/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] 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/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] note: required by `from_residual` [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 0.41s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "443932cf8f910a886ea499803cf330dc1ee38493d28c2397757b87031bdb3bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443932cf8f910a886ea499803cf330dc1ee38493d28c2397757b87031bdb3bab", kill_on_drop: false }` [INFO] [stdout] 443932cf8f910a886ea499803cf330dc1ee38493d28c2397757b87031bdb3bab