[INFO] updating cached repository mitchhentges/lcov-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mitchhentges/lcov-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mitchhentges/lcov-rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mitchhentges/lcov-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mitchhentges/lcov-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mitchhentges/lcov-rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mitchhentges/lcov-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mitchhentges/lcov-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 91156db347a6c35ecfb789db8672f1d0baae9df2 [INFO] sha for GitHub repo mitchhentges/lcov-rs: 91156db347a6c35ecfb789db8672f1d0baae9df2 [INFO] validating manifest of mitchhentges/lcov-rs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mitchhentges/lcov-rs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mitchhentges/lcov-rs [INFO] finished frobbing mitchhentges/lcov-rs [INFO] frobbed toml for mitchhentges/lcov-rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mitchhentges/lcov-rs/Cargo.toml [INFO] started frobbing mitchhentges/lcov-rs [INFO] finished frobbing mitchhentges/lcov-rs [INFO] frobbed toml for mitchhentges/lcov-rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mitchhentges/lcov-rs/Cargo.toml [INFO] crate mitchhentges/lcov-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mitchhentges/lcov-rs against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mitchhentges/lcov-rs:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c689aa57d04b3288c9f0a59af705d05ce8e10d2d00c8a421aaee2e90b9cce7a5 [INFO] running `"docker" "start" "-a" "c689aa57d04b3288c9f0a59af705d05ce8e10d2d00c8a421aaee2e90b9cce7a5"` [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking lcov-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `tmp_output_path` [INFO] [stderr] --> src/main.rs:148:31 [INFO] [stderr] | [INFO] [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_tmp_output_path` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tmp_output_path` [INFO] [stderr] --> src/main.rs:148:31 [INFO] [stderr] | [INFO] [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_tmp_output_path` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `ARC_ON_TREE` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_on_tree` [INFO] [stderr] --> src/main.rs:412:5 [INFO] [stderr] | [INFO] [stderr] 412 | fn is_on_tree(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `ARC_ON_TREE` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_on_tree` [INFO] [stderr] --> src/main.rs:412:5 [INFO] [stderr] | [INFO] [stderr] 412 | fn is_on_tree(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.01s [INFO] running `"docker" "inspect" "c689aa57d04b3288c9f0a59af705d05ce8e10d2d00c8a421aaee2e90b9cce7a5"` [INFO] running `"docker" "rm" "-f" "c689aa57d04b3288c9f0a59af705d05ce8e10d2d00c8a421aaee2e90b9cce7a5"` [INFO] [stdout] c689aa57d04b3288c9f0a59af705d05ce8e10d2d00c8a421aaee2e90b9cce7a5