[INFO] fetching crate ad5668 0.1.2...
[INFO] checking ad5668-0.1.2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate ad5668 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ad5668 0.1.2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ad5668 0.1.2
[INFO] finished tweaking crates.io crate ad5668 0.1.2
[INFO] tweaked toml for crates.io crate ad5668 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ea5ec1acb4d0a7a6429795a7f95e3e35575004c82b552fb1502345c0610111f
[INFO] running `"docker" "start" "-a" "9ea5ec1acb4d0a7a6429795a7f95e3e35575004c82b552fb1502345c0610111f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking embedded-hal-mock v0.7.1
[INFO] [stderr]     Checking ad5668 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `PowerDACUpDown`
[INFO] [stderr]    --> src/lib.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     PowerDACUpDown = 0b0100,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadClearCodeRegister`
[INFO] [stderr]    --> src/lib.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     LoadClearCodeRegister = 0b0101,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadLDACRegister`
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     LoadLDACRegister = 0b0110,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PowerDACUpDown`
[INFO] [stderr]    --> src/lib.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     PowerDACUpDown = 0b0100,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadClearCodeRegister`
[INFO] [stderr]    --> src/lib.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     LoadClearCodeRegister = 0b0101,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadLDACRegister`
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     LoadLDACRegister = 0b0110,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "9ea5ec1acb4d0a7a6429795a7f95e3e35575004c82b552fb1502345c0610111f"`
[INFO] running `"docker" "rm" "-f" "9ea5ec1acb4d0a7a6429795a7f95e3e35575004c82b552fb1502345c0610111f"`
[INFO] [stdout] 9ea5ec1acb4d0a7a6429795a7f95e3e35575004c82b552fb1502345c0610111f