[INFO] cloning repository https://github.com/kennytm/cargo-kcov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennytm/cargo-kcov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcargo-kcov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcargo-kcov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a6bd499a1f9d4719a20cc9a37b6600fa1c9f68a
[INFO] testing kennytm/cargo-kcov against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcargo-kcov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kennytm/cargo-kcov
[INFO] finished tweaking git repo https://github.com/kennytm/cargo-kcov
[INFO] tweaked toml for git repo https://github.com/kennytm/cargo-kcov written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennytm/cargo-kcov on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennytm/cargo-kcov already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be1ab879cd5c8cf28a3464f04f60118f8d51023b1754057f2bee53856b0eba5
[INFO] running `Command { std: "docker" "start" "-a" "7be1ab879cd5c8cf28a3464f04f60118f8d51023b1754057f2bee53856b0eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be1ab879cd5c8cf28a3464f04f60118f8d51023b1754057f2bee53856b0eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be1ab879cd5c8cf28a3464f04f60118f8d51023b1754057f2bee53856b0eba5", kill_on_drop: false }`
[INFO] [stdout] 7be1ab879cd5c8cf28a3464f04f60118f8d51023b1754057f2bee53856b0eba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12fca3b5652fffa2789f159f45c0e5e5478f1f485786d58fa226d6ed0b318fa
[INFO] running `Command { std: "docker" "start" "-a" "f12fca3b5652fffa2789f159f45c0e5e5478f1f485786d58fa226d6ed0b318fa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling open v1.3.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling cargo-kcov v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/target_finder.rs:312:44
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<str> {
[INFO] [stdout]     |                                            ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/target_finder.rs:327:37
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn normalize_package_name(name: &str) -> Cow<str> {
[INFO] [stdout]     |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn normalize_package_name(name: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "f12fca3b5652fffa2789f159f45c0e5e5478f1f485786d58fa226d6ed0b318fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12fca3b5652fffa2789f159f45c0e5e5478f1f485786d58fa226d6ed0b318fa", kill_on_drop: false }`
[INFO] [stdout] f12fca3b5652fffa2789f159f45c0e5e5478f1f485786d58fa226d6ed0b318fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea7d741ba1177583297b00889857bab0ba2ddee587bbd3476eb5b637e07fc31
[INFO] running `Command { std: "docker" "start" "-a" "2ea7d741ba1177583297b00889857bab0ba2ddee587bbd3476eb5b637e07fc31", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/target_finder.rs:312:44
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<str> {
[INFO] [stdout]     |                                            ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/target_finder.rs:327:37
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn normalize_package_name(name: &str) -> Cow<str> {
[INFO] [stdout]     |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn normalize_package_name(name: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rquery v0.4.1
[INFO] [stderr]    Compiling cargo-kcov v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/target_finder.rs:312:44
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<str> {
[INFO] [stdout]     |                                            ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/target_finder.rs:327:37
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn normalize_package_name(name: &str) -> Cow<str> {
[INFO] [stdout]     |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn normalize_package_name(name: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "2ea7d741ba1177583297b00889857bab0ba2ddee587bbd3476eb5b637e07fc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea7d741ba1177583297b00889857bab0ba2ddee587bbd3476eb5b637e07fc31", kill_on_drop: false }`
[INFO] [stdout] 2ea7d741ba1177583297b00889857bab0ba2ddee587bbd3476eb5b637e07fc31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af1cbbc8cf71a37ee62a1f3753806439a9a37ea428aa2e2d2cf6cb01f4ca0f75
[INFO] running `Command { std: "docker" "start" "-a" "af1cbbc8cf71a37ee62a1f3753806439a9a37ea428aa2e2d2cf6cb01f4ca0f75", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/target_finder.rs:312:44
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<str> {
[INFO] [stderr]     |                                            ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/target_finder.rs:327:37
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn normalize_package_name(name: &str) -> Cow<str> {
[INFO] [stderr]     |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn normalize_package_name(name: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-kcov` (bin "cargo-kcov") generated 2 warnings (run `cargo fix --bin "cargo-kcov" -p cargo-kcov` to apply 2 suggestions)
[INFO] [stderr] warning: `cargo-kcov` (bin "cargo-kcov" test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_kcov-d5d095e7481b6cbe)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test target_finder::test_find_package_name_from_pkgid ... ok
[INFO] [stdout] test target_finder::test_parse_rustc_command_lines ... ok
[INFO] [stdout] test test_get_args_for_find_test_targets ... ok
[INFO] [stdout] test target_finder::test_find_test_targets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/check-colorless-output.rs (/opt/rustwide/target/debug/deps/check_colorless_output-f2bae09f055f8b00)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/target_finder.rs:312:44
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<str> {
[INFO] [stderr]     |                                            ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/target_finder.rs:327:37
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn normalize_package_name(name: &str) -> Cow<str> {
[INFO] [stderr]     |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn normalize_package_name(name: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-kcov` (bin "cargo-kcov") generated 2 warnings (run `cargo fix --bin "cargo-kcov" -p cargo-kcov` to apply 2 suggestions)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running `/opt/rustwide/target/debug/cargo-kcov kcov --manifest-path /dev/null`
[INFO] [stderr] error: kcov not installed.
[INFO] [stderr] caused by: No such file or directory (os error 2)
[INFO] [stderr] note: you may follow https://users.rust-lang.org/t/650 to install kcov:
[INFO] [stderr] 
[INFO] [stderr]     $ sudo apt-get install cmake g++ pkg-config jq
[INFO] [stderr] 
[INFO] [stderr]     $ sudo apt-get install libcurl4-openssl-dev libelf-dev libdw-dev binutils-dev libiberty-dev
[INFO] [stderr] 
[INFO] [stderr]     $ cargo kcov --print-install-kcov-sh | sh
[INFO] [stdout] test test_colorless_stderr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/check-specimen.rs (/opt/rustwide/target/debug/deps/check_specimen-250c0411bb0ce10c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: failed to remove directory `/opt/rustwide/target`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]     Device or resource busy (os error 16)
[INFO] [stderr] 
[INFO] [stderr] Stack backtrace:
[INFO] [stderr]    0: cargo_util::paths::_remove_dir
[INFO] [stderr]    1: cargo_util::paths::_remove_dir_all
[INFO] [stderr]    2: cargo_util::paths::remove_dir_all::<&std::path::Path>
[INFO] [stderr]    3: <cargo::ops::cargo_clean::CleanContext>::rm_rf
[INFO] [stderr]    4: <cargo::ops::cargo_clean::CleanContext>::remove_paths
[INFO] [stderr]    5: cargo::ops::cargo_clean::clean
[INFO] [stderr]    6: cargo::commands::clean::exec
[INFO] [stderr]    7: <cargo::cli::Exec>::exec
[INFO] [stderr]    8: cargo::main
[INFO] [stderr]    9: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]   10: std::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]   11: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   12: std::panicking::catch_unwind::do_call
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   13: std::panicking::catch_unwind
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   14: std::panic::catch_unwind
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   15: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stderr]   16: std::panicking::catch_unwind::do_call
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   17: std::panicking::catch_unwind
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   18: std::panic::catch_unwind
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   19: std::rt::lang_start_internal
[INFO] [stderr]              at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stderr]   20: main
[INFO] [stderr]   21: <unknown>
[INFO] [stderr]   22: __libc_start_main
[INFO] [stderr]   23: <unknown>
[INFO] [stderr] 
[INFO] [stderr] Error: failed to remove directory `/opt/rustwide/target`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Device or resource busy (os error 16)
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling open v1.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling cargo-kcov v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/target_finder.rs:312:44
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<str> {
[INFO] [stderr]     |                                            ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub fn find_package_name_from_pkgid(pkgid: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/target_finder.rs:327:37
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn normalize_package_name(name: &str) -> Cow<str> {
[INFO] [stderr]     |                                     ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn normalize_package_name(name: &str) -> Cow<'_, str> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-kcov` (bin "cargo-kcov") generated 2 warnings (run `cargo fix --bin "cargo-kcov" -p cargo-kcov` to apply 2 suggestions)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] [stderr]      Running `/opt/rustwide/target/debug/cargo-kcov kcov --manifest-path specimen/Cargo.toml --all`
[INFO] [stderr] error: kcov not installed.
[INFO] [stderr] caused by: No such file or directory (os error 2)
[INFO] [stderr] note: you may follow https://users.rust-lang.org/t/650 to install kcov:
[INFO] [stderr] 
[INFO] [stderr]     $ sudo apt-get install cmake g++ pkg-config jq
[INFO] [stderr] 
[INFO] [stderr]     $ sudo apt-get install libcurl4-openssl-dev libelf-dev libdw-dev binutils-dev libiberty-dev
[INFO] [stderr] 
[INFO] [stderr]     $ cargo kcov --print-install-kcov-sh | sh
[INFO] [stdout] test test_specimen ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_specimen stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_specimen' (51) panicked at tests/check-specimen.rs:48:10:
[INFO] [stdout] cobertura.xml exists: UnableToOpenFile("specimen/target/cov/kcov-merged/cobertura.xml")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b97dc3e8852 - <unknown>
[INFO] [stdout]    1:     0x5b97dc3f8a9a - <unknown>
[INFO] [stdout]    2:     0x5b97dc3b7366 - <unknown>
[INFO] [stdout]    3:     0x5b97dc3c7bd9 - <unknown>
[INFO] [stdout]    4:     0x5b97dc3c7a71 - <unknown>
[INFO] [stdout]    5:     0x5b97dc3486ae - <unknown>
[INFO] [stdout]    6:     0x5b97dc3c7e52 - <unknown>
[INFO] [stdout]    7:     0x5b97dc3c7c98 - <unknown>
[INFO] [stdout]    8:     0x5b97dc3c2ff9 - <unknown>
[INFO] [stdout]    9:     0x5b97dc3abf5d - <unknown>
[INFO] [stdout]   10:     0x5b97dc40142c - <unknown>
[INFO] [stdout]   11:     0x5b97dc400ce2 - <unknown>
[INFO] [stdout]   12:     0x5b97dc3276a5 - <unknown>
[INFO] [stdout]   13:     0x5b97dc3262cc - <unknown>
[INFO] [stdout]   14:     0x5b97dc3264f7 - <unknown>
[INFO] [stdout]   15:     0x5b97dc326a56 - <unknown>
[INFO] [stdout]   16:     0x5b97dc3484ab - <unknown>
[INFO] [stdout]   17:     0x5b97dc35be7a - <unknown>
[INFO] [stdout]   18:     0x5b97dc3362d4 - <unknown>
[INFO] [stdout]   19:     0x5b97dc339b92 - <unknown>
[INFO] [stdout]   20:     0x5b97dc3be1af - <unknown>
[INFO] [stdout]   21:     0x7b404035faa4 - <unknown>
[INFO] [stdout]   22:     0x7b40403eca64 - clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_specimen
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.92s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test check-specimen`
[INFO] running `Command { std: "docker" "inspect" "af1cbbc8cf71a37ee62a1f3753806439a9a37ea428aa2e2d2cf6cb01f4ca0f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1cbbc8cf71a37ee62a1f3753806439a9a37ea428aa2e2d2cf6cb01f4ca0f75", kill_on_drop: false }`
[INFO] [stdout] af1cbbc8cf71a37ee62a1f3753806439a9a37ea428aa2e2d2cf6cb01f4ca0f75
