[INFO] fetching crate cargo 0.48.0...
[INFO] testing cargo-0.48.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate cargo 0.48.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cargo 0.48.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo 0.48.0
[INFO] finished tweaking crates.io crate cargo 0.48.0
[INFO] tweaked toml for crates.io crate cargo 0.48.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate cargo 0.48.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9016142236c9845cb82f2513630f55bd95d56948d784cab12d5cb8694f6e3793
[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" "9016142236c9845cb82f2513630f55bd95d56948d784cab12d5cb8694f6e3793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9016142236c9845cb82f2513630f55bd95d56948d784cab12d5cb8694f6e3793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9016142236c9845cb82f2513630f55bd95d56948d784cab12d5cb8694f6e3793", kill_on_drop: false }`
[INFO] [stdout] 9016142236c9845cb82f2513630f55bd95d56948d784cab12d5cb8694f6e3793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "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] f1a66b58f3833ad24085d95bbfa57f606d5ede2bd0d98dbf8393365b57999946
[INFO] running `Command { std: "docker" "start" "-a" "f1a66b58f3833ad24085d95bbfa57f606d5ede2bd0d98dbf8393365b57999946", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.33+curl-7.71.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling cargo v0.48.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling git2 v0.13.8
[INFO] [stderr]    Compiling git2-curl v0.14.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling crates-io v0.31.1
[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 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=0edee5f42815bd5f -C extra-filename=-0edee5f42815bd5f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-c14b551d9cc595f0.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-12222e46c3c2fc91.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-631fb3ceab824b31.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-bc2f2d1f549052b3.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-9117421561814580.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-f547b1e8c72cca3f.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-60e677f79172690c.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-fa46914e4d33c9db.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-72cfd0fd16864b72.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-fc292b206208b2ba.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-29f6ad8609b34072.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-a13e66b6623c4f20.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-fde77aeedc11ade6.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-1162c3bacc0e8741.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-7b7ddf71c22b5b76.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-adc7f0b4f88aa34d.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-8630b2f5676c133f.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-fb68b2fa09410bcf.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-1237719b48138c77.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-5e4a7966c708e7be.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-df5db55a1f844787.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-619e8323bfb4cbaf.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-617907b7ed41d1ab.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1da13201d615d981.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-d70a013699c22214.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-51760c8d9f0a0b95.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-8df1994bb164e7a2.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-6b0b3f2fd6164ff0.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-06a942b4cae80a0e.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-52a6b1f15fa5dd80.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-ae7944b232e26380.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-13812397d8e7442d.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-af3a4c01f774075c.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-b9b9ab3e8b269d75.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4e9747848846acd0.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-4640c1423645702c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dcc51160f9105f09.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-331144b933d38929.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-224fd191afbf6183.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-aedafe7182d9ea1f.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-191b5943ae3c320d.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-5143a25e61d9bfa5.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-0a785e74a73d5d2e.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-205a394572a8e7c4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b888af50774a486c.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-1e125e71662cb3e8.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-8ef38a0e4b10736f.rmeta --cap-lints=warn -L native=/opt/rustwide/target/debug/build/curl-sys-fd237749c6844589/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-a853894b63b0e41d/out/i/lib -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/rustwide/target/debug/build/libgit2-sys-5b3e835bfbee2040/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-918e65e1167730a4/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f1a66b58f3833ad24085d95bbfa57f606d5ede2bd0d98dbf8393365b57999946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a66b58f3833ad24085d95bbfa57f606d5ede2bd0d98dbf8393365b57999946", kill_on_drop: false }`
[INFO] [stdout] f1a66b58f3833ad24085d95bbfa57f606d5ede2bd0d98dbf8393365b57999946
