[INFO] crate camctl_rs 0.1.2 is already in cache [INFO] testing camctl_rs-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate camctl_rs 0.1.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate camctl_rs 0.1.2 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 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-14/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] e85b16e110074a14947653f0bb16897dafbb39715e879795fa8611e6d1e21bcf [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" "e85b16e110074a14947653f0bb16897dafbb39715e879795fa8611e6d1e21bcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e85b16e110074a14947653f0bb16897dafbb39715e879795fa8611e6d1e21bcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e85b16e110074a14947653f0bb16897dafbb39715e879795fa8611e6d1e21bcf", kill_on_drop: false }` [INFO] [stdout] e85b16e110074a14947653f0bb16897dafbb39715e879795fa8611e6d1e21bcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 195e2da3248a5093ebbe1d7f9b4fd064f1f9c157219fb2fb7357b693d1e45539 [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" "195e2da3248a5093ebbe1d7f9b4fd064f1f9c157219fb2fb7357b693d1e45539", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling usb-device v0.2.5 [INFO] [stderr] Compiling log v0.4.11 [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 5.81s [INFO] running `Command { std: "docker" "inspect" "195e2da3248a5093ebbe1d7f9b4fd064f1f9c157219fb2fb7357b693d1e45539", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "195e2da3248a5093ebbe1d7f9b4fd064f1f9c157219fb2fb7357b693d1e45539", kill_on_drop: false }` [INFO] [stdout] 195e2da3248a5093ebbe1d7f9b4fd064f1f9c157219fb2fb7357b693d1e45539 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c1019cef378288d5076409bd6d8057db473825fe6e50d72b62ec9c2cf4cccc84 [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" "c1019cef378288d5076409bd6d8057db473825fe6e50d72b62ec9c2cf4cccc84", kill_on_drop: false }` [INFO] [stderr] Compiling camctl_rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "c1019cef378288d5076409bd6d8057db473825fe6e50d72b62ec9c2cf4cccc84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1019cef378288d5076409bd6d8057db473825fe6e50d72b62ec9c2cf4cccc84", kill_on_drop: false }` [INFO] [stdout] c1019cef378288d5076409bd6d8057db473825fe6e50d72b62ec9c2cf4cccc84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0c8a9cdc4265be8f3b2034be92f03d1def65b02176c658a6db0c8115a6af164e [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" "0c8a9cdc4265be8f3b2034be92f03d1def65b02176c658a6db0c8115a6af164e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/camctl_rs-7bebacd6abf0a044 [INFO] [stdout] [INFO] [stderr] Doc-tests camctl_rs [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] [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 `std::ops::Try`) [INFO] [stdout] --> src/cam.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [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 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [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 `std::ops::Try`) [INFO] [stdout] --> src/cam.rs:20:14 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [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 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "0c8a9cdc4265be8f3b2034be92f03d1def65b02176c658a6db0c8115a6af164e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c8a9cdc4265be8f3b2034be92f03d1def65b02176c658a6db0c8115a6af164e", kill_on_drop: false }` [INFO] [stdout] 0c8a9cdc4265be8f3b2034be92f03d1def65b02176c658a6db0c8115a6af164e