[INFO] fetching crate scd41-embedded 0.1.0... [INFO] testing scd41-embedded-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate scd41-embedded 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate scd41-embedded 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate scd41-embedded 0.1.0 [INFO] tweaked toml for crates.io crate scd41-embedded 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scd41-embedded 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate scd41-embedded 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c028986227f044dec9ad59cc24c8e7614b6b05a8f85951568738ccfa6f7bc90 [INFO] running `Command { std: "docker" "start" "-a" "8c028986227f044dec9ad59cc24c8e7614b6b05a8f85951568738ccfa6f7bc90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c028986227f044dec9ad59cc24c8e7614b6b05a8f85951568738ccfa6f7bc90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c028986227f044dec9ad59cc24c8e7614b6b05a8f85951568738ccfa6f7bc90", kill_on_drop: false }` [INFO] [stdout] 8c028986227f044dec9ad59cc24c8e7614b6b05a8f85951568738ccfa6f7bc90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d221f38313debe83dcff033ce9f5a151b89c04efc92de7258a643634dc5fc76b [INFO] running `Command { std: "docker" "start" "-a" "d221f38313debe83dcff033ce9f5a151b89c04efc92de7258a643634dc5fc76b", kill_on_drop: false }` [INFO] [stderr] Compiling embedded-hal v1.0.0 [INFO] [stderr] Compiling scd41-embedded v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "d221f38313debe83dcff033ce9f5a151b89c04efc92de7258a643634dc5fc76b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d221f38313debe83dcff033ce9f5a151b89c04efc92de7258a643634dc5fc76b", kill_on_drop: false }` [INFO] [stdout] d221f38313debe83dcff033ce9f5a151b89c04efc92de7258a643634dc5fc76b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 679339a9efdda42313253b5b3c5214d0d747f74d81555e4f5ce2801566626dbd [INFO] running `Command { std: "docker" "start" "-a" "679339a9efdda42313253b5b3c5214d0d747f74d81555e4f5ce2801566626dbd", kill_on_drop: false }` [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling embedded-hal-nb v1.0.0 [INFO] [stderr] Compiling embedded-hal-mock v0.11.1 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling tokio v1.49.0 [INFO] [stderr] Compiling scd41-embedded v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.84s [INFO] running `Command { std: "docker" "inspect" "679339a9efdda42313253b5b3c5214d0d747f74d81555e4f5ce2801566626dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "679339a9efdda42313253b5b3c5214d0d747f74d81555e4f5ce2801566626dbd", kill_on_drop: false }` [INFO] [stdout] 679339a9efdda42313253b5b3c5214d0d747f74d81555e4f5ce2801566626dbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3e417d431d0a329e3914cf078ae003ec3e9ce94a5b492d3070955742ed721204 [INFO] running `Command { std: "docker" "start" "-a" "3e417d431d0a329e3914cf078ae003ec3e9ce94a5b492d3070955742ed721204", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scd41_embedded-fd2648e34d8adf30) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test crc::tests::crc8_known_vector ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/async.rs (/opt/rustwide/target/debug/deps/async-c784c47db4a465c4) [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] Running tests/sync.rs (/opt/rustwide/target/debug/deps/sync-1839e3f1f9969e1b) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test data_ready_reads_word_and_checks_crc ... ok [INFO] [stdout] test start_periodic_measurement_writes_command ... ok [INFO] [stderr] Doc-tests scd41_embedded [INFO] [stdout] test crc_error_is_detected ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/scd41.rs - scd41::Scd41 (line 77) ... FAILED [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] test src/lib.rs - (line 49) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/scd41.rs - scd41::Scd41 (line 77) stdout ---- [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/scd41.rs:81:47 [INFO] [stdout] | [INFO] [stdout] 81 | fn example(i2c: I2C, delay: D) -> Result<(), Error> [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result<(), scd41_embedded::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/scd41.rs - scd41::Scd41 (line 77) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "3e417d431d0a329e3914cf078ae003ec3e9ce94a5b492d3070955742ed721204", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e417d431d0a329e3914cf078ae003ec3e9ce94a5b492d3070955742ed721204", kill_on_drop: false }` [INFO] [stdout] 3e417d431d0a329e3914cf078ae003ec3e9ce94a5b492d3070955742ed721204