[INFO] fetching crate embedded-sdmmc 0.3.0...
[INFO] checking embedded-sdmmc-0.3.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate embedded-sdmmc 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate embedded-sdmmc 0.3.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+339e19697a39a78f4d669c217b7d21109215de41" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e0f49d43b66a5fc43643a1ff55075a99b781334dd78e286c955653b32295cb5
[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" "4e0f49d43b66a5fc43643a1ff55075a99b781334dd78e286c955653b32295cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0f49d43b66a5fc43643a1ff55075a99b781334dd78e286c955653b32295cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0f49d43b66a5fc43643a1ff55075a99b781334dd78e286c955653b32295cb5", kill_on_drop: false }`
[INFO] [stdout] 4e0f49d43b66a5fc43643a1ff55075a99b781334dd78e286c955653b32295cb5
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--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] 0d71145f9658577e11e4aafdf0d3677946ec6b3bafdfa94573526d770695b42e
[INFO] running `Command { std: "docker" "start" "-a" "0d71145f9658577e11e4aafdf0d3677946ec6b3bafdfa94573526d770695b42e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking 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] [stderr]     Checking atty v0.2.13
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[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 12.75s
[INFO] running `Command { std: "docker" "inspect" "0d71145f9658577e11e4aafdf0d3677946ec6b3bafdfa94573526d770695b42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d71145f9658577e11e4aafdf0d3677946ec6b3bafdfa94573526d770695b42e", kill_on_drop: false }`
[INFO] [stdout] 0d71145f9658577e11e4aafdf0d3677946ec6b3bafdfa94573526d770695b42e