[INFO] updating cached repository https://github.com/mozilla/grcov [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/mozilla/grcov [INFO] [stderr] - [deleted] (none) -> format [INFO] [stderr] 4c4a72a..6ef59e0 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6ef59e0b96f1fc495766d161a89fa0b820f90f5b [INFO] checking mozilla/grcov against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fgrcov" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mozilla/grcov on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mozilla/grcov [INFO] finished tweaking git repo https://github.com/mozilla/grcov [INFO] tweaked toml for git repo https://github.com/mozilla/grcov written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mozilla/grcov already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] af2cc0d02a19971cf8752f4bf113cdaa69cb102e2cacd39969b13f67169f019e [INFO] running `"docker" "start" "-a" "af2cc0d02a19971cf8752f4bf113cdaa69cb102e2cacd39969b13f67169f019e"` [INFO] [stderr] Checking fomat-macros v0.3.1 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Checking quick-xml v0.17.0 [INFO] [stderr] Checking msdos_time v0.1.6 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking simplelog v0.7.4 [INFO] [stderr] Checking uuid v0.8.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking flate2 v1.0.11 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking zip v0.4.2 [INFO] [stderr] Checking grcov v0.5.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused boxed `std::iter::Iterator` trait object that must be used [INFO] [stderr] --> src/path_rewriting.rs:676:9 [INFO] [stderr] | [INFO] [stderr] 676 | / rewrite_paths( [INFO] [stderr] 677 | | result_map, [INFO] [stderr] 678 | | None, [INFO] [stderr] 679 | | Some(PathBuf::from("tests")), [INFO] [stderr] ... | [INFO] [stderr] 683 | | None, [INFO] [stderr] 684 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> benches/parser.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | black_box(grcov::parse_lcov(file, true)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/main.rs:30:35 [INFO] [stderr] | [INFO] [stderr] 30 | .author(crate_authors!("\n")) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/main.rs:30:35 [INFO] [stderr] | [INFO] [stderr] 30 | .author(crate_authors!("\n")) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/main.rs:30:35 [INFO] [stderr] | [INFO] [stderr] 30 | .author(crate_authors!("\n")) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/main.rs:30:35 [INFO] [stderr] | [INFO] [stderr] 30 | .author(crate_authors!("\n")) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.64s [INFO] running `"docker" "inspect" "af2cc0d02a19971cf8752f4bf113cdaa69cb102e2cacd39969b13f67169f019e"` [INFO] running `"docker" "rm" "-f" "af2cc0d02a19971cf8752f4bf113cdaa69cb102e2cacd39969b13f67169f019e"` [INFO] [stdout] af2cc0d02a19971cf8752f4bf113cdaa69cb102e2cacd39969b13f67169f019e