[INFO] fetching crate ament_rs 0.2.1... [INFO] testing ament_rs-0.2.1 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate ament_rs 0.2.1 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate ament_rs 0.2.1 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ament_rs 0.2.1 [INFO] finished tweaking crates.io crate ament_rs 0.2.1 [INFO] tweaked toml for crates.io crate ament_rs 0.2.1 written to /workspace/builds/worker-29/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42747c00834d8c2cce84c956994dfeb5c367375c7c69a2917ea2cf00d74957c3 [INFO] running `Command { std: "docker" "start" "-a" "42747c00834d8c2cce84c956994dfeb5c367375c7c69a2917ea2cf00d74957c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42747c00834d8c2cce84c956994dfeb5c367375c7c69a2917ea2cf00d74957c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42747c00834d8c2cce84c956994dfeb5c367375c7c69a2917ea2cf00d74957c3", kill_on_drop: false }` [INFO] [stdout] 42747c00834d8c2cce84c956994dfeb5c367375c7c69a2917ea2cf00d74957c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ad15c5cd16a07d500f9c699bf5b76a0d1a28d4b157ecfd52cb33ffddcec86e0 [INFO] running `Command { std: "docker" "start" "-a" "3ad15c5cd16a07d500f9c699bf5b76a0d1a28d4b157ecfd52cb33ffddcec86e0", kill_on_drop: false }` [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling ament_rs v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "3ad15c5cd16a07d500f9c699bf5b76a0d1a28d4b157ecfd52cb33ffddcec86e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ad15c5cd16a07d500f9c699bf5b76a0d1a28d4b157ecfd52cb33ffddcec86e0", kill_on_drop: false }` [INFO] [stdout] 3ad15c5cd16a07d500f9c699bf5b76a0d1a28d4b157ecfd52cb33ffddcec86e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72f4fb0158c73c81a5a6efd343e4d005594d20a750f29f5cce1eb813a353ce7e [INFO] running `Command { std: "docker" "start" "-a" "72f4fb0158c73c81a5a6efd343e4d005594d20a750f29f5cce1eb813a353ce7e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ament_rs v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "72f4fb0158c73c81a5a6efd343e4d005594d20a750f29f5cce1eb813a353ce7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72f4fb0158c73c81a5a6efd343e4d005594d20a750f29f5cce1eb813a353ce7e", kill_on_drop: false }` [INFO] [stdout] 72f4fb0158c73c81a5a6efd343e4d005594d20a750f29f5cce1eb813a353ce7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5fa324b9803de01f9b26c601453426394d1250095fd7fa165ae93a3acecefaef [INFO] running `Command { std: "docker" "start" "-a" "5fa324b9803de01f9b26c601453426394d1250095fd7fa165ae93a3acecefaef", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ament_rs-5510b65bd93b70d7) [INFO] [stdout] [INFO] [stderr] Doc-tests ament_rs [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 5) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) 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:7:31 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_5_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use ament_rs::*; [INFO] [stdout] 5 | | println!("{:#?}", Ament::new()?.get_packages_prefixes()); [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 6 | | } _doctest_main_src_lib_rs_5_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 previous error [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 5) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "5fa324b9803de01f9b26c601453426394d1250095fd7fa165ae93a3acecefaef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fa324b9803de01f9b26c601453426394d1250095fd7fa165ae93a3acecefaef", kill_on_drop: false }` [INFO] [stdout] 5fa324b9803de01f9b26c601453426394d1250095fd7fa165ae93a3acecefaef