[INFO] fetching crate uni_publisher 0.0.10...
[INFO] testing uni_publisher-0.0.10 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate uni_publisher 0.0.10 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate uni_publisher 0.0.10 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uni_publisher 0.0.10
[INFO] finished tweaking crates.io crate uni_publisher 0.0.10
[INFO] tweaked toml for crates.io crate uni_publisher 0.0.10 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate uni_publisher 0.0.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded openssl v0.10.31
[INFO] [stderr]   Downloaded dir-diff v0.3.2
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.59
[INFO] [stderr]   Downloaded reqwest v0.10.9
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded git2 v0.13.12
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.19
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.19
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] [stderr]   Downloaded libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]   Downloaded cargo v0.46.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90d92010fb827c1c6db6569c95f4571b8b92ac0a0d4a468e3df1e74e51c4e036
[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" "90d92010fb827c1c6db6569c95f4571b8b92ac0a0d4a468e3df1e74e51c4e036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90d92010fb827c1c6db6569c95f4571b8b92ac0a0d4a468e3df1e74e51c4e036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d92010fb827c1c6db6569c95f4571b8b92ac0a0d4a468e3df1e74e51c4e036", kill_on_drop: false }`
[INFO] [stdout] 90d92010fb827c1c6db6569c95f4571b8b92ac0a0d4a468e3df1e74e51c4e036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0df2c14c8ebc552218cbe5900df82099f2e70267320e418c70df1cc69f508ad
[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" "f0df2c14c8ebc552218cbe5900df82099f2e70267320e418c70df1cc69f508ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling openssl v0.10.31
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling dir-diff v0.3.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling ignore v0.4.17
[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 openssl-sys v0.9.59
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.5+1.42.0
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling git2-curl v0.14.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling crates-io v0.31.1
[INFO] [stderr]    Compiling cargo v0.46.1
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.9
[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-0.46.1/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=a387737b5b4ea27d -C extra-filename=-a387737b5b4ea27d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-580c09a6a5be901f.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-7c3e75db6aa6e733.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-8c617c8e64e3d303.rmeta --extern cargo_platform=/opt/rustwide/target/debug/deps/libcargo_platform-8287839aed1a74c7.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-d7a3602b40347b5a.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-e269c25089d0cc87.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-62efd5c3c3e18fe4.rmeta --extern crypto_hash=/opt/rustwide/target/debug/deps/libcrypto_hash-c3b37793601cdafb.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-1d087a0e0af9dd12.rmeta --extern curl_sys=/opt/rustwide/target/debug/deps/libcurl_sys-42f8563b179cfcc4.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e5e1d081da5d1f3e.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-035e7d4d51d3d2f7.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-7b1c44d4e048c51a.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-a96372b15ee3f1f6.rmeta --extern git2_curl=/opt/rustwide/target/debug/deps/libgit2_curl-7d536572fffba7de.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-25d3e3c81b4cce0b.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-14911843fdb620d9.rmeta --extern home=/opt/rustwide/target/debug/deps/libhome-dfb8355f685d1e17.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-adb1c3dfaf792f89.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-e0c3bf7fa39e4266.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-24fa8c47871f639f.rmeta --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-8b29216ae8f38d19.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-f038ea2dcf29a564.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cce9b0dc57fc5a77.rmeta --extern libgit2_sys=/opt/rustwide/target/debug/deps/liblibgit2_sys-a9ac216791cb1228.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e5604f0874edb5fe.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4883df461f3bebf3.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-2c8376723d2a8c9d.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-6ae592ab414920f8.rmeta --extern remove_dir_all=/opt/rustwide/target/debug/deps/libremove_dir_all-14da0bbdd231c317.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-919478551723e1cd.rmeta --extern rustfix=/opt/rustwide/target/debug/deps/librustfix-f6d89f80953f2c2d.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-5b9a65c02ab19218.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-c9c8fc10ff11dec2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-bf83bf50e2a47df5.rmeta --extern serde_ignored=/opt/rustwide/target/debug/deps/libserde_ignored-85c5385751a96c5a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e6868d1d2db4c702.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-f7af420078e13fe3.rmeta --extern strip_ansi_escapes=/opt/rustwide/target/debug/deps/libstrip_ansi_escapes-9988c264e5d8275b.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-c954f52fd111ef19.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-788b3aa2d7c29dc0.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-708b856bc0bad76e.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-aa796781f29700e3.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-906fa989c4fba052.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ee0227a60781e0f.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-9636fc8adfc31f79.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-61d7662228196c72.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/curl-sys-54431d3d04cd1735/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-eea8d1ce88f4600d/out/i/lib -L native=/opt/rustwide/target/debug/build/libgit2-sys-8c694d99258ee98a/out/build -L native=/opt/rustwide/target/debug/build/libssh2-sys-3aae97400cb94fab/out/build` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f0df2c14c8ebc552218cbe5900df82099f2e70267320e418c70df1cc69f508ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0df2c14c8ebc552218cbe5900df82099f2e70267320e418c70df1cc69f508ad", kill_on_drop: false }`
[INFO] [stdout] f0df2c14c8ebc552218cbe5900df82099f2e70267320e418c70df1cc69f508ad