[INFO] fetching crate bindiff 0.0.1-pre...
[INFO] extracting crate bindiff 0.0.1-pre into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/bindiff/0.0.1-pre
[INFO] extracting crate bindiff 0.0.1-pre into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/bindiff/0.0.1-pre
[INFO] validating manifest of bindiff-0.0.1-pre on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bindiff-0.0.1-pre on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bindiff-0.0.1-pre
[INFO] finished frobbing bindiff-0.0.1-pre
[INFO] frobbed toml for bindiff-0.0.1-pre written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/bindiff/0.0.1-pre/Cargo.toml
[INFO] started frobbing bindiff-0.0.1-pre
[INFO] finished frobbing bindiff-0.0.1-pre
[INFO] frobbed toml for bindiff-0.0.1-pre written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/bindiff/0.0.1-pre/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bindiff-0.0.1-pre against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/bindiff/0.0.1-pre:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f585f55af0e30a145533786ac7ee8b5c906315bc1c7cbeeff84eb48837a4c007
[INFO] running `"docker" "start" "-a" "f585f55af0e30a145533786ac7ee8b5c906315bc1c7cbeeff84eb48837a4c007"`
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking bindiff v0.0.1-pre (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]   --> src/elf.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     buf: &'a [u8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]   --> src/elf.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     buf: &'a [u8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "f585f55af0e30a145533786ac7ee8b5c906315bc1c7cbeeff84eb48837a4c007"`
[INFO] running `"docker" "rm" "-f" "f585f55af0e30a145533786ac7ee8b5c906315bc1c7cbeeff84eb48837a4c007"`
[INFO] [stdout] f585f55af0e30a145533786ac7ee8b5c906315bc1c7cbeeff84eb48837a4c007