[INFO] cloning repository datrs/bitfield-rle
[INFO] running `"git" "clone" "--bare" "git://github.com/datrs/bitfield-rle.git" "work/cache/sources/gh/datrs/bitfield-rle"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/datrs/bitfield-rle'...
[INFO] running `"git" "clone" "work/cache/sources/gh/datrs/bitfield-rle" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/datrs/bitfield-rle"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/datrs/bitfield-rle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/datrs/bitfield-rle" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/datrs/bitfield-rle"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/datrs/bitfield-rle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50d1e76df3b7418e948322f1ad5441c73a52e3f1
[INFO] sha for GitHub repo datrs/bitfield-rle: 50d1e76df3b7418e948322f1ad5441c73a52e3f1
[INFO] validating manifest of datrs/bitfield-rle on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of datrs/bitfield-rle on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing datrs/bitfield-rle
[INFO] finished frobbing datrs/bitfield-rle
[INFO] frobbed toml for datrs/bitfield-rle written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/datrs/bitfield-rle/Cargo.toml
[INFO] started frobbing datrs/bitfield-rle
[INFO] finished frobbing datrs/bitfield-rle
[INFO] frobbed toml for datrs/bitfield-rle written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/datrs/bitfield-rle/Cargo.toml
[INFO] crate datrs/bitfield-rle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sparse-bitfield v0.8.1
[INFO] [stderr]   Downloaded memory-pager v0.8.0
[INFO] [stderr]   Downloaded varinteger v1.0.6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building datrs/bitfield-rle against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] ff0c30c2489d4744b2939351a1b35349aca623871c882a770e75c5b7cf4bee0b
[INFO] running `"docker" "start" "-a" "ff0c30c2489d4744b2939351a1b35349aca623871c882a770e75c5b7cf4bee0b"`
[INFO] [stderr]    Compiling varinteger v1.0.6
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling bitfield-rle v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |   reader: impl AsRef<Vec<u8>>,
[INFO] [stderr]    |   ^^^^^^ help: consider prefixing with an underscore: `_reader`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   offset: usize,
[INFO] [stderr]    |   ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `"docker" "inspect" "ff0c30c2489d4744b2939351a1b35349aca623871c882a770e75c5b7cf4bee0b"`
[INFO] running `"docker" "rm" "-f" "ff0c30c2489d4744b2939351a1b35349aca623871c882a770e75c5b7cf4bee0b"`
[INFO] [stdout] ff0c30c2489d4744b2939351a1b35349aca623871c882a770e75c5b7cf4bee0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 64744f37c01644342a7857bd7455113991898663ed3657fd3512b9b14ca9c0cc
[INFO] running `"docker" "start" "-a" "64744f37c01644342a7857bd7455113991898663ed3657fd3512b9b14ca9c0cc"`
[INFO] [stderr]    Compiling memory-pager v0.8.0
[INFO] [stderr]    Compiling sparse-bitfield v0.8.1
[INFO] [stderr]    Compiling bitfield-rle v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] error: unused variable: `reader`
[INFO] [stderr]   --> src/lib.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |   reader: impl AsRef<Vec<u8>>,
[INFO] [stderr]    |   ^^^^^^ help: consider prefixing with an underscore: `_reader`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:4:24
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: #[deny(unused_variables)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: unused variable: `offset`
[INFO] [stderr]   --> src/lib.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   offset: usize,
[INFO] [stderr]    |   ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bitfield-rle`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "64744f37c01644342a7857bd7455113991898663ed3657fd3512b9b14ca9c0cc"`
[INFO] running `"docker" "rm" "-f" "64744f37c01644342a7857bd7455113991898663ed3657fd3512b9b14ca9c0cc"`
[INFO] [stdout] 64744f37c01644342a7857bd7455113991898663ed3657fd3512b9b14ca9c0cc