[INFO] crate grcov 0.4.3 is already in cache [INFO] extracting crate grcov 0.4.3 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/grcov/0.4.3 [INFO] extracting crate grcov 0.4.3 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/grcov/0.4.3 [INFO] validating manifest of grcov-0.4.3 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of grcov-0.4.3 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing grcov-0.4.3 [INFO] finished frobbing grcov-0.4.3 [INFO] frobbed toml for grcov-0.4.3 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/grcov/0.4.3/Cargo.toml [INFO] started frobbing grcov-0.4.3 [INFO] finished frobbing grcov-0.4.3 [INFO] frobbed toml for grcov-0.4.3 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/grcov/0.4.3/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking grcov-0.4.3 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/grcov/0.4.3:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 209f690d5530ceb2d7e0595f6ab1ac3113184db6ff7747bdb33c5e19d9eb736e [INFO] running `"docker" "start" "-a" "209f690d5530ceb2d7e0595f6ab1ac3113184db6ff7747bdb33c5e19d9eb736e"` [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking zip v0.4.2 [INFO] [stderr] Checking grcov v0.4.3 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/parser.rs:481:48 [INFO] [stderr] | [INFO] [stderr] 481 | let class = sourcefile.trim_right_matches(".java"); [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: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/parser.rs:525:22 [INFO] [stderr] | [INFO] [stderr] 525 | .trim_left_matches('/') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | for mut result in results.drain(..) { [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:186:39 [INFO] [stderr] | [INFO] [stderr] 186 | ItemType::Buffers(mut buffers) => { [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/parser.rs:88:17 [INFO] [stderr] | [INFO] [stderr] 88 | let mut v = c.into_mut(); [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/parser.rs:294:29 [INFO] [stderr] | [INFO] [stderr] 294 | let mut v = c.into_mut(); [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/reader.rs:617:17 [INFO] [stderr] | [INFO] [stderr] 617 | let mut lines = match results.entry(&function.file_name) { [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/reader.rs:698:17 [INFO] [stderr] | [INFO] [stderr] 698 | let mut res = match results.entry(&fun.file_name) { [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/reader.rs:740:41 [INFO] [stderr] | [INFO] [stderr] 740 | let mut v = c.into_mut(); [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/reader.rs:756:41 [INFO] [stderr] | [INFO] [stderr] 756 | let mut v = c.into_mut(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `collect_lines` [INFO] [stderr] --> src/reader.rs:614:5 [INFO] [stderr] | [INFO] [stderr] 614 | fn collect_lines(&self) -> HashMap<&str, HashMap> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `dump` [INFO] [stderr] --> src/reader.rs:636:5 [INFO] [stderr] | [INFO] [stderr] 636 | / fn dump( [INFO] [stderr] 637 | | &mut self, [INFO] [stderr] 638 | | path: &PathBuf, [INFO] [stderr] 639 | | file_name: &str, [INFO] [stderr] ... | [INFO] [stderr] 691 | | Ok(()) [INFO] [stderr] 692 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right_matches': superseded by `trim_end_matches` [INFO] [stderr] --> src/parser.rs:481:48 [INFO] [stderr] | [INFO] [stderr] 481 | let class = sourcefile.trim_right_matches(".java"); [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: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/parser.rs:525:22 [INFO] [stderr] | [INFO] [stderr] 525 | .trim_left_matches('/') [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | for mut result in results.drain(..) { [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:186:39 [INFO] [stderr] | [INFO] [stderr] 186 | ItemType::Buffers(mut buffers) => { [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/parser.rs:88:17 [INFO] [stderr] | [INFO] [stderr] 88 | let mut v = c.into_mut(); [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/parser.rs:294:29 [INFO] [stderr] | [INFO] [stderr] 294 | let mut v = c.into_mut(); [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/reader.rs:617:17 [INFO] [stderr] | [INFO] [stderr] 617 | let mut lines = match results.entry(&function.file_name) { [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/reader.rs:698:17 [INFO] [stderr] | [INFO] [stderr] 698 | let mut res = match results.entry(&fun.file_name) { [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/reader.rs:740:41 [INFO] [stderr] | [INFO] [stderr] 740 | let mut v = c.into_mut(); [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/reader.rs:756:41 [INFO] [stderr] | [INFO] [stderr] 756 | let mut v = c.into_mut(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.95s [INFO] running `"docker" "inspect" "209f690d5530ceb2d7e0595f6ab1ac3113184db6ff7747bdb33c5e19d9eb736e"` [INFO] running `"docker" "rm" "-f" "209f690d5530ceb2d7e0595f6ab1ac3113184db6ff7747bdb33c5e19d9eb736e"` [INFO] [stdout] 209f690d5530ceb2d7e0595f6ab1ac3113184db6ff7747bdb33c5e19d9eb736e