[INFO] fetching crate embedded-sdmmc 0.3.0...
[INFO] testing embedded-sdmmc-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate embedded-sdmmc 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate embedded-sdmmc 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-sdmmc 0.3.0
[INFO] finished tweaking crates.io crate embedded-sdmmc 0.3.0
[INFO] tweaked toml for crates.io crate embedded-sdmmc 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate embedded-sdmmc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] fcd71a140eab5b449a55bb2faaa89e15640a5ec12d43eb69e73caa286156e512
[INFO] running `Command { std: "docker" "start" "-a" "fcd71a140eab5b449a55bb2faaa89e15640a5ec12d43eb69e73caa286156e512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd71a140eab5b449a55bb2faaa89e15640a5ec12d43eb69e73caa286156e512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd71a140eab5b449a55bb2faaa89e15640a5ec12d43eb69e73caa286156e512", kill_on_drop: false }`
[INFO] [stdout] fcd71a140eab5b449a55bb2faaa89e15640a5ec12d43eb69e73caa286156e512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 24496d635e25fe3257806abec9bb51d6e32ed4114df6991c75b2a06e8effa2c7
[INFO] running `Command { std: "docker" "start" "-a" "24496d635e25fe3257806abec9bb51d6e32ed4114df6991c75b2a06e8effa2c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling embedded-sdmmc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fat.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "24496d635e25fe3257806abec9bb51d6e32ed4114df6991c75b2a06e8effa2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24496d635e25fe3257806abec9bb51d6e32ed4114df6991c75b2a06e8effa2c7", kill_on_drop: false }`
[INFO] [stdout] 24496d635e25fe3257806abec9bb51d6e32ed4114df6991c75b2a06e8effa2c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 9b0c49552b72ecb27cef634766bae34aa6f22aaff9ce9f34ed4e76bcf3ce7ec7
[INFO] running `Command { std: "docker" "start" "-a" "9b0c49552b72ecb27cef634766bae34aa6f22aaff9ce9f34ed4e76bcf3ce7ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fat.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling embedded-sdmmc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fat.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout]     |                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "9b0c49552b72ecb27cef634766bae34aa6f22aaff9ce9f34ed4e76bcf3ce7ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0c49552b72ecb27cef634766bae34aa6f22aaff9ce9f34ed4e76bcf3ce7ec7", kill_on_drop: false }`
[INFO] [stdout] 9b0c49552b72ecb27cef634766bae34aa6f22aaff9ce9f34ed4e76bcf3ce7ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8314c8d3b5311bb6bc5da6ffa8a9fd76b956b13c9cc81575829408534fc86905
[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" "8314c8d3b5311bb6bc5da6ffa8a9fd76b956b13c9cc81575829408534fc86905", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/fat.rs:717:17
[INFO] [stderr]     |
[INFO] [stderr] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stderr]     |                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `embedded-sdmmc` (lib) generated 1 warning
[INFO] [stderr] warning: `embedded-sdmmc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/embedded_sdmmc-90ba771b5770fcba)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test filesystem::test::filename_bad ... ok
[INFO] [stdout] test filesystem::test::filename_extension ... ok
[INFO] [stdout] test filesystem::test::filename_fulllength ... ok
[INFO] [stdout] test sdmmc_proto::test::test_crc16 ... ok
[INFO] [stdout] test sdmmc_proto::test::test_crc7 ... ok
[INFO] [stdout] test sdmmc_proto::test::test_csdv1 ... ok
[INFO] [stdout] test sdmmc_proto::test::test_csdv1b ... ok
[INFO] [stdout] test sdmmc_proto::test::test_csdv2 ... ok
[INFO] [stdout] test sdmmc_proto::test::test_csdv2b ... ok
[INFO] [stdout] test tests::partition0 ... ok
[INFO] [stdout] test fat::test::test_dir_entries ... ok
[INFO] [stdout] test fat::test::test_bpb ... ok
[INFO] [stdout] test filesystem::test::filename_no_extension ... ok
[INFO] [stdout] test filesystem::test::filename_short ... ok
[INFO] [stdout] test filesystem::test::filename_short_extension ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests embedded-sdmmc
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/fat.rs:717:17
[INFO] [stderr]     |
[INFO] [stderr] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stderr]     |                 ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "8314c8d3b5311bb6bc5da6ffa8a9fd76b956b13c9cc81575829408534fc86905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8314c8d3b5311bb6bc5da6ffa8a9fd76b956b13c9cc81575829408534fc86905", kill_on_drop: false }`
[INFO] [stdout] 8314c8d3b5311bb6bc5da6ffa8a9fd76b956b13c9cc81575829408534fc86905