[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]  + 9a57f45...042b009 dependabot/cargo/zip-0.5.4 -> dependabot/cargo/zip-0.5.4  (forced update)
[INFO] [stderr]    fcbf424..1f86482  master                     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f86482940ba7a188164eef952bf25c3a8781bd9
[INFO] checking mozilla/grcov against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fgrcov" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/grcov on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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-0/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] 5dd8c7a458c9bc708f436ca5af3ca86ad4efe777c23e6a3ec7d78ac1e28a42ad
[INFO] running `"docker" "start" "-a" "5dd8c7a458c9bc708f436ca5af3ca86ad4efe777c23e6a3ec7d78ac1e28a42ad"`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling cc v1.0.41
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[INFO] [stderr]     Checking ppv-lite86 v0.2.5
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[INFO] [stderr]     Checking unicode-width v0.1.6
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[INFO] [stderr]     Checking semver-parser v0.7.0
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[INFO] [stderr]     Checking dirs v2.0.2
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[INFO] [stderr]     Checking term v0.6.1
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[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand v0.7.0
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[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking crossbeam v0.7.3
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[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking simplelog v0.7.4
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[INFO] [stderr]     Checking grcov v0.5.9 (/opt/rustwide/workdir)
[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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z macro-backtrace for more info)
[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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[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]     Finished dev [unoptimized + debuginfo] target(s) in 51.31s
[INFO] running `"docker" "inspect" "5dd8c7a458c9bc708f436ca5af3ca86ad4efe777c23e6a3ec7d78ac1e28a42ad"`
[INFO] running `"docker" "rm" "-f" "5dd8c7a458c9bc708f436ca5af3ca86ad4efe777c23e6a3ec7d78ac1e28a42ad"`
[INFO] [stdout] 5dd8c7a458c9bc708f436ca5af3ca86ad4efe777c23e6a3ec7d78ac1e28a42ad