Dec 19 18:20:00.913 INFO checking datrs/bitfield-rle against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:20:00.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/datrs/bitfield-rle:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:20:01.246 INFO [stdout] 56f99ccb19f9cb9c3b85b501f1b0affe4e489700db6e144eb082a6c51dab4740
Dec 19 18:20:01.248 INFO running `"docker" "start" "-a" "56f99ccb19f9cb9c3b85b501f1b0affe4e489700db6e144eb082a6c51dab4740"`
Dec 19 18:20:02.433 INFO [stderr]     Checking varinteger v1.0.6
Dec 19 18:20:02.468 INFO [stderr]    Compiling syn v0.15.13
Dec 19 18:20:13.500 INFO [stderr]    Compiling synstructure v0.10.0
Dec 19 18:20:16.454 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 19 18:20:18.440 INFO [stderr]     Checking failure v0.1.3
Dec 19 18:20:19.009 INFO [stderr]     Checking memory-pager v0.8.0
Dec 19 18:20:19.009 INFO [stderr]     Checking bitfield-rle v0.0.0 (/opt/crater/workdir)
Dec 19 18:20:19.316 INFO [stderr] warning: unused variable: `reader`
Dec 19 18:20:19.316 INFO [stderr]   --> src/lib.rs:35:3
Dec 19 18:20:19.316 INFO [stderr]    |
Dec 19 18:20:19.316 INFO [stderr] 35 |   reader: impl AsRef<Vec<u8>>,
Dec 19 18:20:19.316 INFO [stderr]    |   ^^^^^^ help: consider using `_reader` instead
Dec 19 18:20:19.316 INFO [stderr]    |
Dec 19 18:20:19.316 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:20:19.316 INFO [stderr] 
Dec 19 18:20:19.316 INFO [stderr] warning: unused variable: `offset`
Dec 19 18:20:19.316 INFO [stderr]   --> src/lib.rs:36:3
Dec 19 18:20:19.316 INFO [stderr]    |
Dec 19 18:20:19.316 INFO [stderr] 36 |   offset: usize,
Dec 19 18:20:19.316 INFO [stderr]    |   ^^^^^^ help: consider using `_offset` instead
Dec 19 18:20:19.316 INFO [stderr] 
Dec 19 18:20:19.455 INFO [stderr]     Checking sparse-bitfield v0.8.1
Dec 19 18:20:20.212 INFO [stderr] error: unused variable: `reader`
Dec 19 18:20:20.212 INFO [stderr]   --> src/lib.rs:35:3
Dec 19 18:20:20.212 INFO [stderr]    |
Dec 19 18:20:20.212 INFO [stderr] 35 |   reader: impl AsRef<Vec<u8>>,
Dec 19 18:20:20.212 INFO [stderr]    |   ^^^^^^ help: consider using `_reader` instead
Dec 19 18:20:20.212 INFO [stderr]    |
Dec 19 18:20:20.212 INFO [stderr] note: lint level defined here
Dec 19 18:20:20.212 INFO [stderr]   --> src/lib.rs:4:24
Dec 19 18:20:20.212 INFO [stderr]    |
Dec 19 18:20:20.212 INFO [stderr] 4  | #![cfg_attr(test, deny(warnings))]
Dec 19 18:20:20.212 INFO [stderr]    |                        ^^^^^^^^
Dec 19 18:20:20.212 INFO [stderr]    = note: #[deny(unused_variables)] implied by #[deny(warnings)]
Dec 19 18:20:20.212 INFO [stderr] 
Dec 19 18:20:20.212 INFO [stderr] error: unused variable: `offset`
Dec 19 18:20:20.212 INFO [stderr]   --> src/lib.rs:36:3
Dec 19 18:20:20.212 INFO [stderr]    |
Dec 19 18:20:20.212 INFO [stderr] 36 |   offset: usize,
Dec 19 18:20:20.212 INFO [stderr]    |   ^^^^^^ help: consider using `_offset` instead
Dec 19 18:20:20.212 INFO [stderr] 
Dec 19 18:20:20.212 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 18:20:20.212 INFO [stderr] 
Dec 19 18:20:20.215 INFO [stderr] error: Could not compile `bitfield-rle`.
Dec 19 18:20:20.215 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 18:20:20.280 INFO [stderr] error: build failed
Dec 19 18:20:20.582 INFO running `"docker" "inspect" "56f99ccb19f9cb9c3b85b501f1b0affe4e489700db6e144eb082a6c51dab4740"`
Dec 19 18:20:20.698 INFO running `"docker" "rm" "-f" "56f99ccb19f9cb9c3b85b501f1b0affe4e489700db6e144eb082a6c51dab4740"`
Dec 19 18:20:20.888 INFO [stdout] 56f99ccb19f9cb9c3b85b501f1b0affe4e489700db6e144eb082a6c51dab4740