[INFO] fetching crate cargo-doc2readme 0.0.8...
[INFO] testing cargo-doc2readme-0.0.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cargo-doc2readme 0.0.8 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate cargo-doc2readme 0.0.8 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-doc2readme 0.0.8
[INFO] finished tweaking crates.io crate cargo-doc2readme 0.0.8
[INFO] tweaked toml for crates.io crate cargo-doc2readme 0.0.8 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate cargo-doc2readme 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c09a28d7899911da0713c4075fdb130dafdefcbd6e6101672cd09a740ca9ed29
[INFO] running `Command { std: "docker" "start" "-a" "c09a28d7899911da0713c4075fdb130dafdefcbd6e6101672cd09a740ca9ed29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c09a28d7899911da0713c4075fdb130dafdefcbd6e6101672cd09a740ca9ed29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09a28d7899911da0713c4075fdb130dafdefcbd6e6101672cd09a740ca9ed29", kill_on_drop: false }`
[INFO] [stdout] c09a28d7899911da0713c4075fdb130dafdefcbd6e6101672cd09a740ca9ed29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7e01f56e75541fd605a52c0ac53dec4bde9029149f4ab4f8a2b971c0f4ae0e
[INFO] running `Command { std: "docker" "start" "-a" "8f7e01f56e75541fd605a52c0ac53dec4bde9029149f4ab4f8a2b971c0f4ae0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling opener v0.5.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling phf v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling cargo v0.58.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling chrono-tz v0.6.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling cargo-util v0.1.1
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling clap v3.0.0-beta.5
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling os_info v3.0.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling crates-io v0.33.0
[INFO] [stderr]    Compiling rustfix v0.6.0
[INFO] [stderr]    Compiling tera v1.15.0
[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-0.58.0/src/cargo/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="openssl"' -C metadata=01c1987400dae504 -C extra-filename=-01c1987400dae504 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-3a048affcb7170c7.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-9b1e02670b77d2ea.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-0a5024dc83953e3e.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-9262c59ccc7be395.rmeta --extern cargo_util=/opt/rustwide/target/debug/deps/libcargo_util-a53a042c60b42b33.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-ca521424fd3c4ef3.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-45fe3cc6a6e605db.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-c079f7c57dd512a6.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-d73d2673a54eb59e.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-6cad360d159b68fc.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e1d8d4d0a87de3a0.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-6111b4716010bb7c.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-bf3af5b3d8c9c919.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-9bbc987cff53a0b6.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-dd7b73a87812f9f5.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-921a087ba318345d.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-edafc8b2917f78c9.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-a3466b4ab5f6c2ae.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-e9a3658f54825403.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-93b9f209eccbc0f7.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-9e99199a3133b00b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-4584bcfa222d8e0a.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-f22f4a5a3fe68106.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-2d5a3bdb2841d5d7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-197a93fa7c279dff.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-cde3b10fffe91e4e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ba3200a69ea295c7.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-794f323e2c3fede3.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-9b4da96bbd97b6df.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-f298b0d449ed7279.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-1844bb2911edfc4b.rmeta --extern os_info=/opt/rustwide/target/debug/deps/libos_info-f52a39bb4ae19e1b.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-8c83310236959ef9.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-e465653aba610f04.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-7ae9be700ec15efb.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-b30e49130d64fe6e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-82498d8c327802f6.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-c35b433e1e2a88bd.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d3f153e8b1d2c4d9.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-faaabaf270737a09.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-0a48721b2bf16887.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-a2ed11d65965ee42.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-df2a92859001ff8d.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-b126e2ab944ff130.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-ffebd2d7a3c1909b.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-6ef757d3f1052dbb.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-a02fb8fdb5737796.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-d68fa3dede4483c7.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/curl-sys-efdf219dd25b0ac6/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-948ce03710b73e16/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-9e3dd9dffce66391/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-518faf7dc35527e6/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8f7e01f56e75541fd605a52c0ac53dec4bde9029149f4ab4f8a2b971c0f4ae0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7e01f56e75541fd605a52c0ac53dec4bde9029149f4ab4f8a2b971c0f4ae0e", kill_on_drop: false }`
[INFO] [stdout] 8f7e01f56e75541fd605a52c0ac53dec4bde9029149f4ab4f8a2b971c0f4ae0e