[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcargo-kcov" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennytm/cargo-kcov on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/kennytm/cargo-kcov already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v1.3.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded rquery v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1191c2bc3eabc7548be071033e65dab87f407510cfc7b47a8ed31a9e5690ea74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1191c2bc3eabc7548be071033e65dab87f407510cfc7b47a8ed31a9e5690ea74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1191c2bc3eabc7548be071033e65dab87f407510cfc7b47a8ed31a9e5690ea74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1191c2bc3eabc7548be071033e65dab87f407510cfc7b47a8ed31a9e5690ea74", kill_on_drop: false }`
[INFO] [stdout] 1191c2bc3eabc7548be071033e65dab87f407510cfc7b47a8ed31a9e5690ea74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26f3eefa83d3b6ac68f5f5a481a42020e66ef02b4b5b7693e3b40701540cdff9
[INFO] running `Command { std: "docker" "start" "-a" "26f3eefa83d3b6ac68f5f5a481a42020e66ef02b4b5b7693e3b40701540cdff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itoa v0.4.4
[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 regex v1.3.1
[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 serde_json v1.0.44
[INFO] [stderr]    Compiling cargo-kcov v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.48s
[INFO] running `Command { std: "docker" "inspect" "26f3eefa83d3b6ac68f5f5a481a42020e66ef02b4b5b7693e3b40701540cdff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f3eefa83d3b6ac68f5f5a481a42020e66ef02b4b5b7693e3b40701540cdff9", kill_on_drop: false }`
[INFO] [stdout] 26f3eefa83d3b6ac68f5f5a481a42020e66ef02b4b5b7693e3b40701540cdff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 222946e7c7578a236992aa2d909c1195c26e9a0503e6024cea7f0d3db97d1bb0
[INFO] running `Command { std: "docker" "start" "-a" "222946e7c7578a236992aa2d909c1195c26e9a0503e6024cea7f0d3db97d1bb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.92s
[INFO] running `Command { std: "docker" "inspect" "222946e7c7578a236992aa2d909c1195c26e9a0503e6024cea7f0d3db97d1bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222946e7c7578a236992aa2d909c1195c26e9a0503e6024cea7f0d3db97d1bb0", kill_on_drop: false }`
[INFO] [stdout] 222946e7c7578a236992aa2d909c1195c26e9a0503e6024cea7f0d3db97d1bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01a27bfe9e02426c7e4268f1553cc30593f22d21f496fee4f17ee4176cc40713
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01a27bfe9e02426c7e4268f1553cc30593f22d21f496fee4f17ee4176cc40713", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_kcov-46ab538ba4846274)
[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] [stderr]      Running tests/check-colorless-output.rs (/opt/rustwide/target/debug/deps/check_colorless_output-9a1dc312507aa41f)
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running `/opt/rustwide/target/debug/cargo-kcov kcov --manifest-path /dev/null`
[INFO] [stdout] test test_colorless_stderr ... ok
[INFO] [stderr] error: kcov not installed.
[INFO] [stdout] 
[INFO] [stderr] caused by: No such file or directory (os error 2)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stderr] note: you may follow https://users.rust-lang.org/t/650 to install kcov:
[INFO] [stdout] 
[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] [stderr]      Running tests/check-specimen.rs (/opt/rustwide/target/debug/deps/check_specimen-f4469999bbd490b0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: could not remove build directory
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to remove directory `/opt/rustwide/target`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Device or resource busy (os error 16)
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[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 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.28s
[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] thread 'test_specimen' panicked at 'cobertura.xml exists: UnableToOpenFile("specimen/target/cov/kcov-merged/cobertura.xml")', tests/check-specimen.rs:48:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56340ea3bc1c - <unknown>
[INFO] [stdout]    1:     0x56340ea5f89c - <unknown>
[INFO] [stdout]    2:     0x56340ea37a65 - <unknown>
[INFO] [stdout]    3:     0x56340ea3d670 - <unknown>
[INFO] [stdout]    4:     0x56340ea3d256 - <unknown>
[INFO] [stdout]    5:     0x56340ea3dd24 - <unknown>
[INFO] [stdout]    6:     0x56340ea3d800 - <unknown>
[INFO] [stdout]    7:     0x56340ea3c0d4 - <unknown>
[INFO] [stdout]    8:     0x56340ea3d769 - <unknown>
[INFO] [stdout]    9:     0x56340e97d8f1 - <unknown>
[INFO] [stdout]   10:     0x56340e97d9e3 - <unknown>
[INFO] [stdout]   11:     0x56340e981f15 - <unknown>
[INFO] [stdout]   12:     0x56340e9840b4 - <unknown>
[INFO] [stdout]   13:     0x56340e983f0a - <unknown>
[INFO] [stdout]   14:     0x56340e98275e - <unknown>
[INFO] [stdout]   15:     0x56340e9b9b13 - <unknown>
[INFO] [stdout]   16:     0x56340e9b8727 - <unknown>
[INFO] [stdout]   17:     0x56340e9859ce - <unknown>
[INFO] [stdout]   18:     0x56340e98a728 - <unknown>
[INFO] [stdout]   19:     0x56340ea428a3 - <unknown>
[INFO] [stdout]   20:     0x7fbbf05b6609 - start_thread
[INFO] [stdout]   21:     0x7fbbf0388293 - clone
[INFO] [stdout]   22:                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 47.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test check-specimen'
[INFO] running `Command { std: "docker" "inspect" "01a27bfe9e02426c7e4268f1553cc30593f22d21f496fee4f17ee4176cc40713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a27bfe9e02426c7e4268f1553cc30593f22d21f496fee4f17ee4176cc40713", kill_on_drop: false }`
[INFO] [stdout] 01a27bfe9e02426c7e4268f1553cc30593f22d21f496fee4f17ee4176cc40713