[INFO] crate crfsuite 0.2.6 is already in cache [INFO] extracting crate crfsuite 0.2.6 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/crfsuite/0.2.6 [INFO] extracting crate crfsuite 0.2.6 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/crfsuite/0.2.6 [INFO] validating manifest of crfsuite-0.2.6 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of crfsuite-0.2.6 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing crfsuite-0.2.6 [INFO] finished frobbing crfsuite-0.2.6 [INFO] frobbed toml for crfsuite-0.2.6 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/crfsuite/0.2.6/Cargo.toml [INFO] started frobbing crfsuite-0.2.6 [INFO] finished frobbing crfsuite-0.2.6 [INFO] frobbed toml for crfsuite-0.2.6 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/crfsuite/0.2.6/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking crfsuite-0.2.6 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-5/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/crfsuite/0.2.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 42c8753eb3e802df191e07d190a674ad32218640153e32a8f69fe213d2d18aa5 [INFO] running `"docker" "start" "-a" "42c8753eb3e802df191e07d190a674ad32218640153e32a8f69fe213d2d18aa5"` [INFO] [stderr] Compiling crfsuite-sys v0.1.4 [INFO] [stderr] Checking crfsuite v0.2.6 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:370:21 [INFO] [stderr] | [INFO] [stderr] 370 | let mut crf_item = &mut crf_items[t]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:373:21 [INFO] [stderr] | [INFO] [stderr] 373 | let mut contents = slice::from_raw_parts_mut(crf_item.contents, crf_item.num_contents as usize); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:764:21 [INFO] [stderr] | [INFO] [stderr] 764 | let mut crf_item = &mut crf_items[t]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:370:21 [INFO] [stderr] | [INFO] [stderr] 370 | let mut crf_item = &mut crf_items[t]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:373:21 [INFO] [stderr] | [INFO] [stderr] 373 | let mut contents = slice::from_raw_parts_mut(crf_item.contents, crf_item.num_contents as usize); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:764:21 [INFO] [stderr] | [INFO] [stderr] 764 | let mut crf_item = &mut crf_items[t]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.81s [INFO] running `"docker" "inspect" "42c8753eb3e802df191e07d190a674ad32218640153e32a8f69fe213d2d18aa5"` [INFO] running `"docker" "rm" "-f" "42c8753eb3e802df191e07d190a674ad32218640153e32a8f69fe213d2d18aa5"` [INFO] [stdout] 42c8753eb3e802df191e07d190a674ad32218640153e32a8f69fe213d2d18aa5