[INFO] cloning repository stalehard/algorithm-shingles-rust [INFO] running `"git" "clone" "--bare" "git://github.com/stalehard/algorithm-shingles-rust.git" "work/cache/sources/gh/stalehard/algorithm-shingles-rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/stalehard/algorithm-shingles-rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/stalehard/algorithm-shingles-rust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/stalehard/algorithm-shingles-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/stalehard/algorithm-shingles-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/stalehard/algorithm-shingles-rust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/stalehard/algorithm-shingles-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/stalehard/algorithm-shingles-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] feeecab2f11b88a31330c952936871f3d0061d5d [INFO] sha for GitHub repo stalehard/algorithm-shingles-rust: feeecab2f11b88a31330c952936871f3d0061d5d [INFO] validating manifest of stalehard/algorithm-shingles-rust 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 stalehard/algorithm-shingles-rust 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 stalehard/algorithm-shingles-rust [INFO] finished frobbing stalehard/algorithm-shingles-rust [INFO] frobbed toml for stalehard/algorithm-shingles-rust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/stalehard/algorithm-shingles-rust/Cargo.toml [INFO] started frobbing stalehard/algorithm-shingles-rust [INFO] finished frobbing stalehard/algorithm-shingles-rust [INFO] frobbed toml for stalehard/algorithm-shingles-rust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/stalehard/algorithm-shingles-rust/Cargo.toml [INFO] crate stalehard/algorithm-shingles-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/stalehard/algorithm-shingles-rust/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking stalehard/algorithm-shingles-rust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/stalehard/algorithm-shingles-rust:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c434aaedf0fb77511e0d15a94d3c617a8fce796a81a7516ae1237b227fa5e806 [INFO] running `"docker" "start" "-a" "c434aaedf0fb77511e0d15a94d3c617a8fce796a81a7516ae1237b227fa5e806"` [INFO] [stderr] Checking libshingles v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:136:7 [INFO] [stderr] | [INFO] [stderr] 136 | if (v.len() == 0 || hashes.len() != 2) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:147:7 [INFO] [stderr] | [INFO] [stderr] 147 | if(*item1 == *item2) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:136:7 [INFO] [stderr] | [INFO] [stderr] 136 | if (v.len() == 0 || hashes.len() != 2) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/lib.rs:147:7 [INFO] [stderr] | [INFO] [stderr] 147 | if(*item1 == *item2) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "c434aaedf0fb77511e0d15a94d3c617a8fce796a81a7516ae1237b227fa5e806"` [INFO] running `"docker" "rm" "-f" "c434aaedf0fb77511e0d15a94d3c617a8fce796a81a7516ae1237b227fa5e806"` [INFO] [stdout] c434aaedf0fb77511e0d15a94d3c617a8fce796a81a7516ae1237b227fa5e806