[INFO] cloning repository https://github.com/maxsnew/cargo-dot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxsnew/cargo-dot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsnew%2Fcargo-dot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsnew%2Fcargo-dot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66e411929ac7c33817d838b3e651acac2e6b7690
[INFO] testing maxsnew/cargo-dot against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsnew%2Fcargo-dot" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxsnew/cargo-dot 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/maxsnew/cargo-dot
[INFO] finished tweaking git repo https://github.com/maxsnew/cargo-dot
[INFO] tweaked toml for git repo https://github.com/maxsnew/cargo-dot written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/maxsnew/cargo-dot 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] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/cargo`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3e22f37c518fdf9054b24a0f16e70e62987ea98467c0eb5ddffdb0f16156da78
[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" "3e22f37c518fdf9054b24a0f16e70e62987ea98467c0eb5ddffdb0f16156da78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e22f37c518fdf9054b24a0f16e70e62987ea98467c0eb5ddffdb0f16156da78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e22f37c518fdf9054b24a0f16e70e62987ea98467c0eb5ddffdb0f16156da78", kill_on_drop: false }`
[INFO] [stdout] 3e22f37c518fdf9054b24a0f16e70e62987ea98467c0eb5ddffdb0f16156da78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64ee4214374ebf9be71a0b8f8f21e4a52e46a4fbf35421b34eacc384a036d5b3
[INFO] running `Command { std: "docker" "start" "-a" "64ee4214374ebf9be71a0b8f8f21e4a52e46a4fbf35421b34eacc384a036d5b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cargo v0.50.0 (https://github.com/rust-lang/cargo#af64bd64)
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling cargo-platform v0.1.1 (https://github.com/rust-lang/cargo#af64bd64)
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling crates-io v0.31.1 (https://github.com/rust-lang/cargo#af64bd64)
[INFO] [stderr]    Compiling rustfix v0.5.1
[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/git/checkouts/cargo-e7ff1db891893a9e/af64bd6/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=7d5211449750ad51 -C extra-filename=-7d5211449750ad51 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-766deee4836cc22b.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-5c7911b73c31acfc.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-f2aa0496069804ce.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-a5366061389d0623.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-a033dee2b5860ad8.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-24b68af1cf9f8dd0.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-7c5e3d94d1dc8ee6.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-6d7e4a441fb6c1af.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-84b755e2e6f4fa37.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-2daf7b81eba86396.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-20a4c5dfab6f3a1d.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-67c3ae6ec529181b.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-f9bdb244407f5910.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-9aa57a11c877d25f.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-d544a2acbcd99989.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-918b5d1fb8a81879.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-6704a6e0174e9e51.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-5095fb870a858d1c.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-1e39414f4621e554.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-b1c5980164572432.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-d0b71ef079a9ae70.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-17e27d5270e4dadb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-1bd59e113283c4a6.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0a43f320b0d2a047.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-251257758246065a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c0aac21270a44eb0.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d49ac1e01d7c87e9.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f5c3e238754dd294.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-e200bbd43bd218d9.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-b8f70c4d24b687b1.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-2f0239bced60108a.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-83fc433af8038c4d.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-55d9e4e23e414bb7.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-5f3c9c835d02b353.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-36324fe101d71220.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-95dde91bc55d5263.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b1f1c9ad11e24911.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-fb75d44ad94d86af.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-6c1ecfc34b8cb53c.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-46cbee2347e701bc.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-af13a32c4578ba4b.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-77991fd1113c1c90.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-a0ee90ab8d0b3b56.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-0465a15c15895916.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8a058fa190690d36.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-145f0afc8b39cba3.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-cbb4f9c1da2f991c.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/curl-sys-a70084cee5d59677/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-f0f8c05c26db00bd/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-3a6df094f1e4f631/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-7ce9d9b5f70c330b/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "64ee4214374ebf9be71a0b8f8f21e4a52e46a4fbf35421b34eacc384a036d5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ee4214374ebf9be71a0b8f8f21e4a52e46a4fbf35421b34eacc384a036d5b3", kill_on_drop: false }`
[INFO] [stdout] 64ee4214374ebf9be71a0b8f8f21e4a52e46a4fbf35421b34eacc384a036d5b3
