[INFO] crate dargo 0.0.6 is already in cache
[INFO] extracting crate dargo 0.0.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/dargo/0.0.6
[INFO] extracting crate dargo 0.0.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dargo/0.0.6
[INFO] validating manifest of dargo-0.0.6 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dargo-0.0.6 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dargo-0.0.6
[INFO] finished frobbing dargo-0.0.6
[INFO] frobbed toml for dargo-0.0.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dargo/0.0.6/Cargo.toml
[INFO] started frobbing dargo-0.0.6
[INFO] finished frobbing dargo-0.0.6
[INFO] frobbed toml for dargo-0.0.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dargo/0.0.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dargo-0.0.6 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dargo/0.0.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 152d8629f19189333445ea6b716fd0ddd708ee1e51f024b1fc164c32b370efd5
[INFO] running `"docker" "start" "-a" "152d8629f19189333445ea6b716fd0ddd708ee1e51f024b1fc164c32b370efd5"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling tabwriter v1.1.0
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling crates-io v0.24.0
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]    Compiling flexi_logger v0.13.4
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling git2-curl v0.9.0
[INFO] [stderr]    Compiling cargo v0.36.0
[INFO] [stderr]    Compiling toml_edit v0.1.5
[INFO] [stderr] error: Could not compile `cargo`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name cargo /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.36.0/src/cargo/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=1feb37885d9761dc -C extra-filename=-1feb37885d9761dc --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern atty=/opt/crater/target/debug/deps/libatty-eb5da56e70a939cc.rlib --extern byteorder=/opt/crater/target/debug/deps/libbyteorder-585fd2581aa01382.rlib --extern bytesize=/opt/crater/target/debug/deps/libbytesize-95c25ff6214e0b99.rlib --extern clap=/opt/crater/target/debug/deps/libclap-9325301b67a3eb11.rlib --extern crates_io=/opt/crater/target/debug/deps/libcrates_io-f0d7037d4c6d5edb.rlib --extern crossbeam_utils=/opt/crater/target/debug/deps/libcrossbeam_utils-c7636b44f63f0536.rlib --extern crypto_hash=/opt/crater/target/debug/deps/libcrypto_hash-d73defa6ea131526.rlib --extern curl=/opt/crater/target/debug/deps/libcurl-dbf10e787f549654.rlib --extern curl_sys=/opt/crater/target/debug/deps/libcurl_sys-bb9f105e83a362b8.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-d111ede8b4b28ffa.rlib --extern filetime=/opt/crater/target/debug/deps/libfiletime-66d387e51bd2f3e9.rlib --extern flate2=/opt/crater/target/debug/deps/libflate2-3c1009465d6fd3ed.rlib --extern fs2=/opt/crater/target/debug/deps/libfs2-0bd11bba46c3127b.rlib --extern git2=/opt/crater/target/debug/deps/libgit2-91edb8d79de7f042.rlib --extern git2_curl=/opt/crater/target/debug/deps/libgit2_curl-ae263c82479ddef6.rlib --extern glob=/opt/crater/target/debug/deps/libglob-b5997fb6016faac1.rlib --extern hex=/opt/crater/target/debug/deps/libhex-979204dee82ccb65.rlib --extern home=/opt/crater/target/debug/deps/libhome-46c6aa379997487f.rlib --extern ignore=/opt/crater/target/debug/deps/libignore-ed8e8bd8cf805fe7.rlib --extern im_rc=/opt/crater/target/debug/deps/libim_rc-271145e294bdae71.rlib --extern jobserver=/opt/crater/target/debug/deps/libjobserver-711a77eabc859d53.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern lazycell=/opt/crater/target/debug/deps/liblazycell-74fda01493a9cfe5.rlib --extern libc=/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib --extern libgit2_sys=/opt/crater/target/debug/deps/liblibgit2_sys-07a92fd76c357086.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern num_cpus=/opt/crater/target/debug/deps/libnum_cpus-509d1090a02489e2.rlib --extern opener=/opt/crater/target/debug/deps/libopener-27edfc90ebfc9db5.rlib --extern rustc_workspace_hack=/opt/crater/target/debug/deps/librustc_workspace_hack-f345ad237e38819c.rlib --extern rustfix=/opt/crater/target/debug/deps/librustfix-96530cea475c424d.rlib --extern same_file=/opt/crater/target/debug/deps/libsame_file-20f5d349f4fddef0.rlib --extern semver=/opt/crater/target/debug/deps/libsemver-1a9d69f348e3dd54.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_ignored=/opt/crater/target/debug/deps/libserde_ignored-ace4269d8f2643fe.rlib --extern serde_json=/opt/crater/target/debug/deps/libserde_json-9eba0d965a1c7852.rlib --extern shell_escape=/opt/crater/target/debug/deps/libshell_escape-1d9647855422d4fb.rlib --extern tar=/opt/crater/target/debug/deps/libtar-974eb73ce30ffb88.rlib --extern tempfile=/opt/crater/target/debug/deps/libtempfile-a788379f87d4adba.rlib --extern termcolor=/opt/crater/target/debug/deps/libtermcolor-63bd51856c425668.rlib --extern toml=/opt/crater/target/debug/deps/libtoml-65ec6104f3d879b4.rlib --extern unicode_width=/opt/crater/target/debug/deps/libunicode_width-70ef077428dd4d3c.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern url_serde=/opt/crater/target/debug/deps/liburl_serde-530c47d8a925f7ff.rlib --extern walkdir=/opt/crater/target/debug/deps/libwalkdir-9732b146893c009a.rlib --cap-lints allow --cap-lints=warn -L native=/opt/crater/target/debug/build/curl-sys-0a4dd4dd70b6b181/out/build -L native=/opt/crater/target/debug/build/libnghttp2-sys-da2799956f40c896/out/i/lib -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out -L native=/opt/crater/target/debug/build/miniz-sys-5ae27cb3fc5ef2d5/out -L native=/opt/crater/target/debug/build/libgit2-sys-f67775979886e071/out/build -L native=/opt/crater/target/debug/build/libssh2-sys-c580b25f5533025c/out/build` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "152d8629f19189333445ea6b716fd0ddd708ee1e51f024b1fc164c32b370efd5"`
[INFO] running `"docker" "rm" "-f" "152d8629f19189333445ea6b716fd0ddd708ee1e51f024b1fc164c32b370efd5"`
[INFO] [stdout] 152d8629f19189333445ea6b716fd0ddd708ee1e51f024b1fc164c32b370efd5