[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcargo-kcov" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennytm/cargo-kcov on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 070abfe663802ee8df913cc141cb1ea24d5ca65cb41ac9b0f3c8569d6631850b
[INFO] running `Command { std: "docker" "start" "-a" "070abfe663802ee8df913cc141cb1ea24d5ca65cb41ac9b0f3c8569d6631850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "070abfe663802ee8df913cc141cb1ea24d5ca65cb41ac9b0f3c8569d6631850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070abfe663802ee8df913cc141cb1ea24d5ca65cb41ac9b0f3c8569d6631850b", kill_on_drop: false }`
[INFO] [stdout] 070abfe663802ee8df913cc141cb1ea24d5ca65cb41ac9b0f3c8569d6631850b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 01e3def0f94a46dc60d8bafb1e67c34a9effeeafe00499bafecb1cd5a7c766f1
[INFO] running `Command { std: "docker" "start" "-a" "01e3def0f94a46dc60d8bafb1e67c34a9effeeafe00499bafecb1cd5a7c766f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling open v1.3.2
[INFO] [stderr]    Compiling shlex v0.1.1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 45.26s
[INFO] running `Command { std: "docker" "inspect" "01e3def0f94a46dc60d8bafb1e67c34a9effeeafe00499bafecb1cd5a7c766f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e3def0f94a46dc60d8bafb1e67c34a9effeeafe00499bafecb1cd5a7c766f1", kill_on_drop: false }`
[INFO] [stdout] 01e3def0f94a46dc60d8bafb1e67c34a9effeeafe00499bafecb1cd5a7c766f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96126c0a9d980f09aca30606e9eb33fff8dbcdfb8cbedd18680785e107faa59
[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" "b96126c0a9d980f09aca30606e9eb33fff8dbcdfb8cbedd18680785e107faa59", 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 11.76s
[INFO] running `Command { std: "docker" "inspect" "b96126c0a9d980f09aca30606e9eb33fff8dbcdfb8cbedd18680785e107faa59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96126c0a9d980f09aca30606e9eb33fff8dbcdfb8cbedd18680785e107faa59", kill_on_drop: false }`
[INFO] [stdout] b96126c0a9d980f09aca30606e9eb33fff8dbcdfb8cbedd18680785e107faa59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 925001487ca6330a9dd0b1309881509d660a21a2985f4528781dd58094d66845
[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" "925001487ca6330a9dd0b1309881509d660a21a2985f4528781dd58094d66845", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_kcov-2cba81555897cd53)
[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] [stderr]      Running tests/check-colorless-output.rs (/opt/rustwide/target/debug/deps/check_colorless_output-43825635f3a39048)
[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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[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 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/check-specimen.rs (/opt/rustwide/target/debug/deps/check_specimen-367b6960a623736a)
[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 serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling open v1.3.2
[INFO] [stderr]    Compiling shlex v0.1.1
[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 51.04s
[INFO] [stderr]      Running `/opt/rustwide/target/debug/cargo-kcov kcov --manifest-path specimen/Cargo.toml --all`
[INFO] [stdout] test test_specimen ... FAILED
[INFO] [stderr] error: kcov not installed.
[INFO] [stdout] 
[INFO] [stderr] caused by: No such file or directory (os error 2)
[INFO] [stdout] failures:
[INFO] [stderr] note: you may follow https://users.rust-lang.org/t/650 to install kcov:
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] ---- test_specimen stdout ----
[INFO] [stderr]     $ sudo apt-get install cmake g++ pkg-config jq
[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] [stderr] 
[INFO] [stdout] stack backtrace:
[INFO] [stderr]     $ sudo apt-get install libcurl4-openssl-dev libelf-dev libdw-dev binutils-dev libiberty-dev
[INFO] [stdout]    0:     0x5631186c8d30 - <unknown>
[INFO] [stderr] 
[INFO] [stdout]    1:     0x5631186ec78c - <unknown>
[INFO] [stderr]     $ cargo kcov --print-install-kcov-sh | sh
[INFO] [stdout]    2:     0x5631186c5c55 - <unknown>
[INFO] [stdout]    3:     0x5631186cae9b - <unknown>
[INFO] [stdout]    4:     0x5631186ca9ac - <unknown>
[INFO] [stdout]    5:     0x5631186cb564 - <unknown>
[INFO] [stdout]    6:     0x5631186cb047 - <unknown>
[INFO] [stdout]    7:     0x5631186c922c - <unknown>
[INFO] [stdout]    8:     0x5631186cafa9 - <unknown>
[INFO] [stdout]    9:     0x56311860e6c1 - <unknown>
[INFO] [stdout]   10:     0x56311860e7b3 - <unknown>
[INFO] [stdout]   11:     0x563118613b36 - <unknown>
[INFO] [stdout]   12:     0x563118617eea - <unknown>
[INFO] [stdout]   13:     0x563118617d3a - <unknown>
[INFO] [stdout]   14:     0x5631186164de - <unknown>
[INFO] [stdout]   15:     0x563118640cb3 - <unknown>
[INFO] [stdout]   16:     0x56311863f740 - <unknown>
[INFO] [stdout]   17:     0x563118618d02 - <unknown>
[INFO] [stdout]   18:     0x56311861c958 - <unknown>
[INFO] [stdout]   19:     0x5631186d01e7 - <unknown>
[INFO] [stdout]   20:     0x7fb4db8c5609 - start_thread
[INFO] [stdout]   21:     0x7fb4db697293 - 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 52.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test check-specimen'
[INFO] running `Command { std: "docker" "inspect" "925001487ca6330a9dd0b1309881509d660a21a2985f4528781dd58094d66845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925001487ca6330a9dd0b1309881509d660a21a2985f4528781dd58094d66845", kill_on_drop: false }`
[INFO] [stdout] 925001487ca6330a9dd0b1309881509d660a21a2985f4528781dd58094d66845