[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Fcargo-kcov" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennytm/cargo-kcov on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ea655d2b010f1345731b331ad0b09016601a99e9b53da0fc663a1e5ef5cf76
[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" "b3ea655d2b010f1345731b331ad0b09016601a99e9b53da0fc663a1e5ef5cf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ea655d2b010f1345731b331ad0b09016601a99e9b53da0fc663a1e5ef5cf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ea655d2b010f1345731b331ad0b09016601a99e9b53da0fc663a1e5ef5cf76", kill_on_drop: false }`
[INFO] [stdout] b3ea655d2b010f1345731b331ad0b09016601a99e9b53da0fc663a1e5ef5cf76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1739bba2b46b3c7b5a496a6e10f0a0c8363a0aafa85471bb8ecbb83eae70748
[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" "a1739bba2b46b3c7b5a496a6e10f0a0c8363a0aafa85471bb8ecbb83eae70748", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling open v1.3.2
[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 cargo-kcov v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.05s
[INFO] running `Command { std: "docker" "inspect" "a1739bba2b46b3c7b5a496a6e10f0a0c8363a0aafa85471bb8ecbb83eae70748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1739bba2b46b3c7b5a496a6e10f0a0c8363a0aafa85471bb8ecbb83eae70748", kill_on_drop: false }`
[INFO] [stdout] a1739bba2b46b3c7b5a496a6e10f0a0c8363a0aafa85471bb8ecbb83eae70748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b86a8a47c4f687c829a841848513aceab0f760ccc4b753bc22805b1dc1fcb2
[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" "66b86a8a47c4f687c829a841848513aceab0f760ccc4b753bc22805b1dc1fcb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling rquery v0.4.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling cargo-kcov v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "66b86a8a47c4f687c829a841848513aceab0f760ccc4b753bc22805b1dc1fcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b86a8a47c4f687c829a841848513aceab0f760ccc4b753bc22805b1dc1fcb2", kill_on_drop: false }`
[INFO] [stdout] 66b86a8a47c4f687c829a841848513aceab0f760ccc4b753bc22805b1dc1fcb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81198f4e96eae41ebd7b8bbb7a3ee330bdba370f185f34c9d995c891b0d38ee6
[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" "81198f4e96eae41ebd7b8bbb7a3ee330bdba370f185f34c9d995c891b0d38ee6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_kcov-76af4c8ddab4d188
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/check_colorless_output-9025b2e06a2eda7e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[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] [stderr]      Running /opt/rustwide/target/debug/deps/check_specimen-9072e749688ac79a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 bitflags v1.2.1
[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 vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[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 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 45.11s
[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:     0x55a9902e66f0 - <unknown>
[INFO] [stdout]    1:     0x55a99030a68c - <unknown>
[INFO] [stdout]    2:     0x55a99022c435 - <unknown>
[INFO] [stdout]    3:     0x55a9902e12f1 - <unknown>
[INFO] [stdout]    4:     0x55a9902e8b70 - <unknown>
[INFO] [stdout]    5:     0x55a9902e8866 - <unknown>
[INFO] [stdout]    6:     0x55a9902e91d3 - <unknown>
[INFO] [stdout]    7:     0x55a9902e8da9 - <unknown>
[INFO] [stdout]    8:     0x55a9902e6b7c - <unknown>
[INFO] [stdout]    9:     0x55a9902e8d69 - <unknown>
[INFO] [stdout]   10:     0x55a990308f41 - <unknown>
[INFO] [stdout]   11:     0x55a990308d63 - <unknown>
[INFO] [stdout]   12:     0x55a990229b90 - <unknown>
[INFO] [stdout]   13:     0x55a990225d64 - <unknown>
[INFO] [stdout]   14:     0x55a990225bca - <unknown>
[INFO] [stdout]   15:     0x55a990222bce - <unknown>
[INFO] [stdout]   16:     0x55a990254d13 - <unknown>
[INFO] [stdout]   17:     0x55a9902531e3 - <unknown>
[INFO] [stdout]   18:     0x55a99022b866 - <unknown>
[INFO] [stdout]   19:     0x55a990230a95 - <unknown>
[INFO] [stdout]   20:     0x55a9902efa1a - <unknown>
[INFO] [stdout]   21:     0x7f08292b1609 - start_thread
[INFO] [stdout]   22:     0x7f08291bd103 - 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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test check-specimen'
[INFO] running `Command { std: "docker" "inspect" "81198f4e96eae41ebd7b8bbb7a3ee330bdba370f185f34c9d995c891b0d38ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81198f4e96eae41ebd7b8bbb7a3ee330bdba370f185f34c9d995c891b0d38ee6", kill_on_drop: false }`
[INFO] [stdout] 81198f4e96eae41ebd7b8bbb7a3ee330bdba370f185f34c9d995c891b0d38ee6
