[INFO] updating cached repository sjsyrek/cormen-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sjsyrek/cormen-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sjsyrek/cormen-rust" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sjsyrek/cormen-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sjsyrek/cormen-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sjsyrek/cormen-rust" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/sjsyrek/cormen-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/sjsyrek/cormen-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5d48e3c79004cd805bba4e3ec5c971b1448de5f9 [INFO] sha for GitHub repo sjsyrek/cormen-rust: 5d48e3c79004cd805bba4e3ec5c971b1448de5f9 [INFO] validating manifest of sjsyrek/cormen-rust on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sjsyrek/cormen-rust on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sjsyrek/cormen-rust [INFO] finished frobbing sjsyrek/cormen-rust [INFO] frobbed toml for sjsyrek/cormen-rust written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sjsyrek/cormen-rust/Cargo.toml [INFO] started frobbing sjsyrek/cormen-rust [INFO] finished frobbing sjsyrek/cormen-rust [INFO] frobbed toml for sjsyrek/cormen-rust written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/sjsyrek/cormen-rust/Cargo.toml [INFO] crate sjsyrek/cormen-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking sjsyrek/cormen-rust against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/sjsyrek/cormen-rust:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5a7fa37af06dbe73de77f7dc4278b78da2707a8a0b85d8a9166124f16d21d0ec [INFO] running `"docker" "start" "-a" "5a7fa37af06dbe73de77f7dc4278b78da2707a8a0b85d8a9166124f16d21d0ec"` [INFO] [stderr] Checking cormen_rust v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/sorts/merge_sort.rs:14:40 [INFO] [stderr] | [INFO] [stderr] 14 | let mut left: Vec = vec![0; (n1 + 1)]; [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 function argument [INFO] [stderr] --> src/sorts/merge_sort.rs:15:41 [INFO] [stderr] | [INFO] [stderr] 15 | let mut right: Vec = vec![0; (n2 + 1)]; [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/utils.rs:15:26 [INFO] [stderr] | [INFO] [stderr] 15 | "[".to_string() + &s.trim_right_matches(", ").to_string() + "]" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/sorts/merge_sort.rs:14:40 [INFO] [stderr] | [INFO] [stderr] 14 | let mut left: Vec = vec![0; (n1 + 1)]; [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 function argument [INFO] [stderr] --> src/sorts/merge_sort.rs:15:41 [INFO] [stderr] | [INFO] [stderr] 15 | let mut right: Vec = vec![0; (n2 + 1)]; [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/utils.rs:15:26 [INFO] [stderr] | [INFO] [stderr] 15 | "[".to_string() + &s.trim_right_matches(", ").to_string() + "]" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `"docker" "inspect" "5a7fa37af06dbe73de77f7dc4278b78da2707a8a0b85d8a9166124f16d21d0ec"` [INFO] running `"docker" "rm" "-f" "5a7fa37af06dbe73de77f7dc4278b78da2707a8a0b85d8a9166124f16d21d0ec"` [INFO] [stdout] 5a7fa37af06dbe73de77f7dc4278b78da2707a8a0b85d8a9166124f16d21d0ec