[INFO] fetching crate camctl_rs 0.1.2... [INFO] testing camctl_rs-0.1.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate camctl_rs 0.1.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate camctl_rs 0.1.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] 11ac3d6fcecd658e0ff4fbeb5dea4344bd8c8afddf7a5a34f9dec187165b0ef2 [INFO] running `Command { std: "docker" "start" "-a" "11ac3d6fcecd658e0ff4fbeb5dea4344bd8c8afddf7a5a34f9dec187165b0ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11ac3d6fcecd658e0ff4fbeb5dea4344bd8c8afddf7a5a34f9dec187165b0ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11ac3d6fcecd658e0ff4fbeb5dea4344bd8c8afddf7a5a34f9dec187165b0ef2", kill_on_drop: false }` [INFO] [stdout] 11ac3d6fcecd658e0ff4fbeb5dea4344bd8c8afddf7a5a34f9dec187165b0ef2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c83504e359da6419dc263dcd6bb5edc1f06692e2ff19a45f844978d9a204a8ab [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" "c83504e359da6419dc263dcd6bb5edc1f06692e2ff19a45f844978d9a204a8ab", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling usb-device v0.2.7 [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 5.09s [INFO] running `Command { std: "docker" "inspect" "c83504e359da6419dc263dcd6bb5edc1f06692e2ff19a45f844978d9a204a8ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c83504e359da6419dc263dcd6bb5edc1f06692e2ff19a45f844978d9a204a8ab", kill_on_drop: false }` [INFO] [stdout] c83504e359da6419dc263dcd6bb5edc1f06692e2ff19a45f844978d9a204a8ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a109543575a7de81bdbfcf8f1fec350ad7022d67163b14fbffcef3a973b502f5 [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" "a109543575a7de81bdbfcf8f1fec350ad7022d67163b14fbffcef3a973b502f5", kill_on_drop: false }` [INFO] [stderr] Compiling camctl_rs v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "a109543575a7de81bdbfcf8f1fec350ad7022d67163b14fbffcef3a973b502f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a109543575a7de81bdbfcf8f1fec350ad7022d67163b14fbffcef3a973b502f5", kill_on_drop: false }` [INFO] [stdout] a109543575a7de81bdbfcf8f1fec350ad7022d67163b14fbffcef3a973b502f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 9a2f4f4e00c7c654d0c675dde71f0442c8ed263baa9c0a52912e9315e96c68d4 [INFO] running `Command { std: "docker" "start" "-a" "9a2f4f4e00c7c654d0c675dde71f0442c8ed263baa9c0a52912e9315e96c68d4", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/camctl_rs-5eaad2ec68640eed [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 [INFO] [stdout] [INFO] [stderr] Doc-tests camctl_rs [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [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 `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 `Try` is not implemented for `()` [INFO] [stdout] = note: required by `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 `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 `Try` is not implemented for `()` [INFO] [stdout] = note: required by `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] running `Command { std: "docker" "inspect" "9a2f4f4e00c7c654d0c675dde71f0442c8ed263baa9c0a52912e9315e96c68d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a2f4f4e00c7c654d0c675dde71f0442c8ed263baa9c0a52912e9315e96c68d4", kill_on_drop: false }` [INFO] [stdout] 9a2f4f4e00c7c654d0c675dde71f0442c8ed263baa9c0a52912e9315e96c68d4