[INFO] cloning repository https://github.com/sensorfu/cargo-bom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sensorfu/cargo-bom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsensorfu%2Fcargo-bom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsensorfu%2Fcargo-bom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f92fa0d55c8704c61e02e7d93ed4bffcccd669a3
[INFO] testing sensorfu/cargo-bom against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsensorfu%2Fcargo-bom" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sensorfu/cargo-bom on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sensorfu/cargo-bom
[INFO] finished tweaking git repo https://github.com/sensorfu/cargo-bom
[INFO] tweaked toml for git repo https://github.com/sensorfu/cargo-bom written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sensorfu/cargo-bom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc9e1c6fadde05bde02bc6be608a6451bc97667c2af5b6c029d929b20183f562
[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" "cc9e1c6fadde05bde02bc6be608a6451bc97667c2af5b6c029d929b20183f562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc9e1c6fadde05bde02bc6be608a6451bc97667c2af5b6c029d929b20183f562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9e1c6fadde05bde02bc6be608a6451bc97667c2af5b6c029d929b20183f562", kill_on_drop: false }`
[INFO] [stdout] cc9e1c6fadde05bde02bc6be608a6451bc97667c2af5b6c029d929b20183f562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f836f98799589a4eae85bac118f1198f81a578e98dbb9e298c32b31b7f200cca
[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" "f836f98799589a4eae85bac118f1198f81a578e98dbb9e298c32b31b7f200cca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling papergrid v0.1.15
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling tabled_derive v0.1.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.64
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling tabled v0.2.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling cargo v0.50.1
[INFO] [stderr]    Compiling crates-io v0.31.1
[INFO] [stderr]    Compiling git2 v0.13.20
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr] error: could not compile `cargo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cargo --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.50.1/src/cargo/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=c6b486af6a904bdd -C extra-filename=-c6b486af6a904bdd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-12e0a29c1d6ffe91.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-eb6ac662a032e2e8.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-5a538e5e77e69d68.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-c4a301fd39fa1be1.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-e929d00e0488da6a.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-c2c0a5df0f7b5f89.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-ef5856d484d5b1e2.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-774d2ef8d9c09a38.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-cf708bd73461ccf1.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-27b8820df0740689.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4d3c5a08dfc31e1f.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-f70c6608df75c2e1.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-35fd1a4c3a59610b.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-bd8c43055eee34b2.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-4437e3c653bba9e2.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-c2143d50ee53b852.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-33fd519b96d635fb.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-888dbb6deffe8533.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-4653c4407a4f842d.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-33f3db09158d2ec1.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-4ec866feeb318440.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-3becbf89033725b5.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-16d834afa391e717.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-265ea9156ddd3fc7.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-d7fb5212efe1eca3.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7914ddd45155fdc8.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e3068e1c9377047f.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-c7bb03272108bfbe.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-2a6ef613cb94c7c1.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-e457123dded25aba.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-d847043af8fd9221.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-1013f7f454685692.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-36dfff0ef8311abf.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-f918c4af83f792c6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-02118b05e59fa126.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-ec5e44347d43b9db.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ac6f7e86af3c84ec.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-e5f620faa84a5f3c.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-7a0b5f1c34efaab4.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-3fc32ffe279821d9.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-a2b0791f0305f20f.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-8f27c150af643511.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-e46815d7573fc73a.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-05a4b639dec6224c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ecee5fca1210f52.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-b51f11ba19c393f1.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-5e165100e176414b.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/curl-sys-9686d437905bf321/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-a44d6f6359c71876/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-f7182ddfde1f923c/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-f118ada8cae9e72c/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f836f98799589a4eae85bac118f1198f81a578e98dbb9e298c32b31b7f200cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f836f98799589a4eae85bac118f1198f81a578e98dbb9e298c32b31b7f200cca", kill_on_drop: false }`
[INFO] [stdout] f836f98799589a4eae85bac118f1198f81a578e98dbb9e298c32b31b7f200cca