[INFO] updating cached repository https://github.com/josiasjr/rest_xgboost
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 969623a86615cb880d35ae08625465da6f4e40fe
[INFO] testing josiasjr/rest_xgboost against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosiasjr%2Frest_xgboost" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josiasjr/rest_xgboost on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/josiasjr/rest_xgboost
[INFO] finished tweaking git repo https://github.com/josiasjr/rest_xgboost
[INFO] tweaked toml for git repo https://github.com/josiasjr/rest_xgboost written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/josiasjr/rest_xgboost already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] ef058074cfd557282e6aec1bec392a78a773ed6d8e197992acd0e2d46056c5b3
[INFO] running `"docker" "start" "-a" "ef058074cfd557282e6aec1bec392a78a773ed6d8e197992acd0e2d46056c5b3"`
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling socket2 v0.3.10
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling actix-threadpool v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling actix-utils v0.4.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling actix-rt v0.2.4
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling h2 v0.1.25
[INFO] [stderr]    Compiling actix-server v0.6.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-connect v0.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling actix-http v0.2.7
[INFO] [stderr]    Compiling awc v0.2.2
[INFO] [stderr]    Compiling actix-web v1.0.5
[INFO] [stderr]    Compiling rest_xgboost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.rest_xgboost.a4kk4th9-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc" "/opt/rustwide/target/debug/deps/rest_xgboost-eeeed2a5442e23fc.f76hvnbyu1s7b38.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-50aec5a27ce41da9/out" "-L" "/opt/rustwide/target/debug/build/brotli-sys-602ae1abb7fe6b9a/out" "-L" "/opt/rustwide/target/debug/build/miniz-sys-382fe48a11ce56cb/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lxgboost" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libactix_web-b0e5bdc96491f95e.rlib" "/opt/rustwide/target/debug/deps/libawc-0713852a6a80edb0.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-883df41339fa741c.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-a93a873704303f1b.rlib" "/opt/rustwide/target/debug/deps/liblock_api-0d50690b0b00bd1e.rlib" "/opt/rustwide/target/debug/deps/libactix_server-9165fec2ace18fbc.rlib" "/opt/rustwide/target/debug/deps/libtokio_signal-ba7c98a115fd9d75.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-a778c61cd69ba028.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-53d66445a6a21fb9.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-9dbcd4451242cb79.rlib" "/opt/rustwide/target/debug/deps/libmio_uds-7d993f22fc9bdfcf.rlib" "/opt/rustwide/target/debug/deps/libactix_rt-ca4ff565571632b2.rlib" "/opt/rustwide/target/debug/deps/libactix_router-342921f9758b758e.rlib" "/opt/rustwide/target/debug/deps/libactix_http-f3081df946450630.rlib" "/opt/rustwide/target/debug/deps/libsha1-234c522d7c9421da.rlib" "/opt/rustwide/target/debug/deps/libbase64-8adc85a3bc640de1.rlib" "/opt/rustwide/target/debug/deps/librand-6f646c37f551dfc4.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-75d372d60b763178.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-b2f79a04f7b21e15.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-0c4c38ed3f4a8c69.rlib" "/opt/rustwide/target/debug/deps/librand_core-62ed721579fa9b85.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-2a8af0be0866e93b.rlib" "/opt/rustwide/target/debug/deps/libserde_urlencoded-dac45cc5de64430b.rlib" "/opt/rustwide/target/debug/deps/libdtoa-011d80b1d2654ad7.rlib" "/opt/rustwide/target/debug/deps/libhttparse-1949c4d57201648a.rlib" "/opt/rustwide/target/debug/deps/libchrono-f13fe80e5ba5f015.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-52d66a7540a73d4a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-673330072990e23c.rlib" "/opt/rustwide/target/debug/deps/libserde_json-1903d773373ed9b9.rlib" "/opt/rustwide/target/debug/deps/libryu-6dbb2e6f31cf0558.rlib" "/opt/rustwide/target/debug/deps/libserde-ca68584c8aa6002b.rlib" "/opt/rustwide/target/debug/deps/libcopyless-70ec5ebf6e4d67f8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3a40c6903761d7ac.rlib" "/opt/rustwide/target/debug/deps/libencoding_rs-e582146fc1eea484.rlib" "/opt/rustwide/target/debug/deps/libregex-d0690c3f11da8a2d.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-f5b55e94fe23bf46.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-e6532830c05aad25.rlib" "/opt/rustwide/target/debug/deps/libucd_util-a5695876e59041e2.rlib" "/opt/rustwide/target/debug/deps/libthread_local-595666cb0839baa6.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-06ea741a35ed3f49.rlib" "/opt/rustwide/target/debug/deps/libmemchr-046d4cf6cd2ea23b.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-32bcf7e80919d84f.rlib" "/opt/rustwide/target/debug/deps/libmime-3ff5de671edffc48.rlib" "/opt/rustwide/target/debug/deps/libunicase-8b27f48eac29ae98.rlib" "/opt/rustwide/target/debug/deps/libflate2-e3e28d2f13dea939.rlib" "/opt/rustwide/target/debug/deps/libminiz_sys-3be2c18bb13831f5.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-79f056b95d52f04d.rlib" "/opt/rustwide/target/debug/deps/libbrotli2-d8b8f9900373f1d4.rlib" "/opt/rustwide/target/debug/deps/libbrotli_sys-328ffe509637ef4d.rlib" "/opt/rustwide/target/debug/deps/libactix_threadpool-2b5e2e66b6e2cf71.rlib" "/opt/rustwide/target/debug/deps/libthreadpool-6e5e32fdc7fc4079.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-e19a9e086a9d3bbd.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-79562005374d590a.rlib" "/opt/rustwide/target/debug/deps/liblock_api-518fea8cc0fa3375.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-4c52de923eb3c35b.rlib" "/opt/rustwide/target/debug/deps/libtime-58e0b977680e2360.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-ea5e2bc1864c9b96.rlib" "/opt/rustwide/target/debug/deps/libactix_utils-d74a10e7f8d9211a.rlib" "/opt/rustwide/target/debug/deps/libactix_connect-ea54d91f1f342447.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-41d879a53c07efc0.rlib" "/opt/rustwide/target/debug/deps/libtrust_dns_resolver-8fba7155c4d3b0b9.rlib" "/opt/rustwide/target/debug/deps/libtrust_dns_proto-9e1c9541cb1426bc.rlib" "/opt/rustwide/target/debug/deps/liburl-60c5e7feb64d4cf4.rlib" "/opt/rustwide/target/debug/deps/libencoding-f502efba40cc9ca6.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_tradchinese-9d2c39fc0023ce73.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_simpchinese-0ab2b52e2ceb8792.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_japanese-9c1af5f48c63e566.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_korean-d8d62443e6e9f356.rlib" "/opt/rustwide/target/debug/deps/libencoding_index_singlebyte-4bfdd1f8621eee7d.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-24177bf8e4a597fd.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-807b510dc687d03d.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-4301d7a8c12706d2.rlib" "/opt/rustwide/target/debug/deps/libsocket2-e0ca8ef058d5b935.rlib" "/opt/rustwide/target/debug/deps/libidna-d35d271796baf88e.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-ba721ebbbe539429.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-5b064f932e6646ad.rlib" "/opt/rustwide/target/debug/deps/libmatches-25f72eb55a371331.rlib" "/opt/rustwide/target/debug/deps/libresolv_conf-9de5e38da3cea664.rlib" "/opt/rustwide/target/debug/deps/libhostname-cecead4430af6d4d.rlib" "/opt/rustwide/target/debug/deps/libquick_error-9411b7aab885de58.rlib" "/opt/rustwide/target/debug/deps/liblru_cache-dee40642d4691446.rlib" "/opt/rustwide/target/debug/deps/liblinked_hash_map-f2b67d6ab4d44c07.rlib" "/opt/rustwide/target/debug/deps/libfailure-8e483b7de4d99c3a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-595207e9c11a0f20.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-19e7f207c8efade1.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-7520aa900b90fa23.rlib" "/opt/rustwide/target/debug/deps/libeither-fe199ab75f04ff40.rlib" "/opt/rustwide/target/debug/deps/libh2-687cfc5f4dcf26ed.rlib" "/opt/rustwide/target/debug/deps/libindexmap-add4484548c2d455.rlib" "/opt/rustwide/target/debug/deps/libstring-8c9e3fc1f51350da.rlib" "/opt/rustwide/target/debug/deps/libhttp-108ab8c3758c09de.rlib" "/opt/rustwide/target/debug/deps/libitoa-e736842aeff4074b.rlib" "/opt/rustwide/target/debug/deps/libactix_service-befb8373b4425489.rlib" "/opt/rustwide/target/debug/deps/libactix_server_config-706c6ab791262bdd.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-a56a4ca15ab0f070.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-addb10fe4204904a.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-745c0d60228c3e6e.rlib" "/opt/rustwide/target/debug/deps/libfnv-593caa3c2629b83d.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-7a73a01886841137.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-be4864746aea3c92.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-0a9da7717a20e0a9.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-4610cc7a7b851a16.rlib" "/opt/rustwide/target/debug/deps/librand-e4d8be0c43b06fd2.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-57eff26591ee1926.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-6a5ebb66ad43f2f5.rlib" "/opt/rustwide/target/debug/deps/librand_hc-79eb2bb135bcf82e.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-eabb9153548f9f46.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-abee9575352963b6.rlib" "/opt/rustwide/target/debug/deps/librand_core-96fcd81fcc1da5a2.rlib" "/opt/rustwide/target/debug/deps/librand_os-296d7de532e89976.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-fbdcc23875500578.rlib" "/opt/rustwide/target/debug/deps/librand_core-f46a59bb123ae6e7.rlib" "/opt/rustwide/target/debug/deps/liblock_api-b3c22016e0d796a8.rlib" "/opt/rustwide/target/debug/deps/libowning_ref-64660c32f5c7ea7f.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-cb88d623c37baf99.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-0684162327b2b1d2.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-b9880562346b357f.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-95fc4574d4ce2c64.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-229e17a8968741f6.rlib" "/opt/rustwide/target/debug/deps/libspin-4e9e4b0f0465c547.rlib" "/opt/rustwide/target/debug/deps/libmio-46b875c8faadca54.rlib" "/opt/rustwide/target/debug/deps/libslab-48da5e5bfb95471c.rlib" "/opt/rustwide/target/debug/deps/libnet2-d359fb13e3ffb278.rlib" "/opt/rustwide/target/debug/deps/libactix_codec-25e36a2f5a132315.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-f57e03edd9f93eb0.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-1093ecf8877e694c.rlib" "/opt/rustwide/target/debug/deps/libfutures-abf48db94b2eb7c8.rlib" "/opt/rustwide/target/debug/deps/libbytes-c82acc158cb7b8a2.rlib" "/opt/rustwide/target/debug/deps/libiovec-181614ca991aefce.rlib" "/opt/rustwide/target/debug/deps/liblibc-1a96662f1f5639b3.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b551d4293eeff0ab.rlib" "/opt/rustwide/target/debug/deps/liblog-ad24cce9d8e02d74.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-7e9b153d55b90d49.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lxgboost
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rest_xgboost`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ef058074cfd557282e6aec1bec392a78a773ed6d8e197992acd0e2d46056c5b3"`
[INFO] running `"docker" "rm" "-f" "ef058074cfd557282e6aec1bec392a78a773ed6d8e197992acd0e2d46056c5b3"`
[INFO] [stdout] ef058074cfd557282e6aec1bec392a78a773ed6d8e197992acd0e2d46056c5b3