[INFO] updating cached repository https://github.com/EthanYidong/squirrels
[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] e6a727cb59ac5821298b32bd1247a1af80884ca3
[INFO] testing EthanYidong/squirrels against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanYidong%2Fsquirrels" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EthanYidong/squirrels on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/EthanYidong/squirrels
[INFO] finished tweaking git repo https://github.com/EthanYidong/squirrels
[INFO] tweaked toml for git repo https://github.com/EthanYidong/squirrels written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/EthanYidong/squirrels already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a92441c0e41f0f17b96550513af5ff1c123a3cba733d509378e810a6a6c6d66a
[INFO] running `"docker" "start" "-a" "a92441c0e41f0f17b96550513af5ff1c123a3cba733d509378e810a6a6c6d66a"`
[INFO] [stderr]    Compiling darknet v0.1.0 (https://github.com/nebgnahz/darknet-rs#4b0709ec)
[INFO] [stderr]    Compiling squirrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling publicsuffix v1.5.3
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Write, copy};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if(prob > THRESHOLD){
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         copy(&mut response, &mut dest);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[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/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.squirrel.eyocku66-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45" "/opt/rustwide/target/debug/deps/squirrel-fb18eec2b26e6f45.423zjqm6qjwlu1ub.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "darknet/" "-L" "darknet/" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-72c543d87d0e03c8/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-ldarknet" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libreqwest-86f6cbf85acabbf5.rlib" "/opt/rustwide/target/debug/deps/libuuid-a8b9b77ac48fb9f8.rlib" "/opt/rustwide/target/debug/deps/libserde_urlencoded-08776688bb02c54d.rlib" "/opt/rustwide/target/debug/deps/libdtoa-2d9163607197f742.rlib" "/opt/rustwide/target/debug/deps/libmime_guess-518777ed5c53a347.rlib" "/opt/rustwide/target/debug/deps/libmime-a0facfa31a09fd3c.rlib" "/opt/rustwide/target/debug/deps/libunicase-8502052658cef59e.rlib" "/opt/rustwide/target/debug/deps/libflate2-b22511c7fce63674.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-2596b7660644410d.rlib" "/opt/rustwide/target/debug/deps/libadler32-2b2d9f2ac243fcce.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-dd7d7889f933adcd.rlib" "/opt/rustwide/target/debug/deps/libhyper_tls-c0f477e6e07c0ff2.rlib" "/opt/rustwide/target/debug/deps/libnative_tls-cdf03e9f0fbf5ae2.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-3e2db64b5a350a8f.rlib" "/opt/rustwide/target/debug/deps/libopenssl-9ff0dd843b7f9a52.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-e380938642124037.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-dafad7d3bcdfafbf.rlib" "/opt/rustwide/target/debug/deps/libforeign_types_shared-1408dda5e1c87d57.rlib" "/opt/rustwide/target/debug/deps/libbitflags-db99416e3bf58e66.rlib" "/opt/rustwide/target/debug/deps/libhyper-2c11a60dc40b4962.rlib" "/opt/rustwide/target/debug/deps/libwant-c754367fa55cb18c.rlib" "/opt/rustwide/target/debug/deps/libtry_lock-6913fd29241ecad2.rlib" "/opt/rustwide/target/debug/deps/libtokio-14db74a4a9abacaf.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-7e2eca4590fe8d34.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-d0f2a38070554b19.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-7e6c2123073b3006.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-8368e6c7e22e8473.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-66af29561750169e.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-b65f244d92643e92.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-7995e17cac3528a2.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-3590f6ef4a91b308.rlib" "/opt/rustwide/target/debug/deps/libnodrop-0ca5cda255c03c42.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-289038f9ad7c9a49.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-fad4d7b0a3fd1775.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-b20f9c75cf6fe825.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-854106edc134342c.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-358aff9aa629c098.rlib" "/opt/rustwide/target/debug/deps/librand-c6c971c2579f56b1.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-d31379522c688654.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-700c8fd06117a4e8.rlib" "/opt/rustwide/target/debug/deps/librand_hc-dfcabcbae3173fa6.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-b28484c13232928f.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4397b6ef24563754.rlib" "/opt/rustwide/target/debug/deps/librand_core-248631fdaa518086.rlib" "/opt/rustwide/target/debug/deps/librand_os-ac04dce49103ba55.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-5dd9a685b0ed8a3d.rlib" "/opt/rustwide/target/debug/deps/librand_core-e2ee592186d88f12.rlib" "/opt/rustwide/target/debug/deps/liblock_api-21a536805cd3cce5.rlib" "/opt/rustwide/target/debug/deps/libowning_ref-cd6ee999def56cce.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-476245fd14e4db6b.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-5d24109de20616f8.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-87f18d58bb614e81.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-4a9cc1f008c03edb.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-84ad309430390d83.rlib" "/opt/rustwide/target/debug/deps/libmio-49a39bd75a73b516.rlib" "/opt/rustwide/target/debug/deps/libnet2-5507da120f73373f.rlib" "/opt/rustwide/target/debug/deps/libhttparse-68277d43da74a785.rlib" "/opt/rustwide/target/debug/deps/libhttp_body-71ea2f1bceb7525b.rlib" "/opt/rustwide/target/debug/deps/libtokio_buf-fc83a4e73e65ea95.rlib" "/opt/rustwide/target/debug/deps/libh2-3b1e4a25dfba4775.rlib" "/opt/rustwide/target/debug/deps/libindexmap-0af4fc072078d4be.rlib" "/opt/rustwide/target/debug/deps/libstring-b7f5599122c914d1.rlib" "/opt/rustwide/target/debug/deps/libslab-2d4e73d4fd5cd450.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-f97058c34002f51d.rlib" "/opt/rustwide/target/debug/deps/libfutures_cpupool-4e1ab40807418c39.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-1a9b896f537e17c6.rlib" "/opt/rustwide/target/debug/deps/libhttp-00d8e3ae91401b3f.rlib" "/opt/rustwide/target/debug/deps/libfnv-51dd7c2b44b560c1.rlib" "/opt/rustwide/target/debug/deps/libfutures-0f47511f747f5f06.rlib" "/opt/rustwide/target/debug/deps/libencoding_rs-5bed67448d4e59d8.rlib" "/opt/rustwide/target/debug/deps/libcookie_store-e0c663fb69f471cb.rlib" "/opt/rustwide/target/debug/deps/libserde_json-bd956f08eb9701ea.rlib" "/opt/rustwide/target/debug/deps/libryu-84f5bdeec10241b3.rlib" "/opt/rustwide/target/debug/deps/libitoa-2dfb56471520de1d.rlib" "/opt/rustwide/target/debug/deps/liblog-b75bfe501f37ecd4.rlib" "/opt/rustwide/target/debug/deps/libpublicsuffix-e6e3939d964e3241.rlib" "/opt/rustwide/target/debug/deps/liburl-c97149b7d3a2073c.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-cb238fefba46f1cb.rlib" "/opt/rustwide/target/debug/deps/libidna-2cddcf358c259a0d.rlib" "/opt/rustwide/target/debug/deps/libregex-4ab66acfea5d3971.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-2d492df14442ae0e.rlib" "/opt/rustwide/target/debug/deps/libthread_local-708705e5460096e3.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-a76bd6cc15bf1648.rlib" "/opt/rustwide/target/debug/deps/libmemchr-07c655ccb8662d4a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-83cafc2ae303332c.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-692196949b51eda7.rlib" "/opt/rustwide/target/debug/deps/libtry_from-623b47bcdbd976ef.rlib" "/opt/rustwide/target/debug/deps/libserde-225d53bf4a8cb020.rlib" "/opt/rustwide/target/debug/deps/libcookie-633a4a90b710aaaa.rlib" "/opt/rustwide/target/debug/deps/libtime-0837f709e880efd3.rlib" "/opt/rustwide/target/debug/deps/liburl-1b0b9479fbeae824.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-fcbc0aacafd7e54d.rlib" "/opt/rustwide/target/debug/deps/libidna-57ce9ee4834dc2dc.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-5947cd8ea07dc68c.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-f7a7a9e9ae97b229.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-70e078513282caa2.rlib" "/opt/rustwide/target/debug/deps/libmatches-79786252485cca6c.rlib" "/opt/rustwide/target/debug/deps/libbytes-d0e636b13a3b3616.rlib" "/opt/rustwide/target/debug/deps/libeither-154fe9b4f1e0fd68.rlib" "/opt/rustwide/target/debug/deps/libiovec-9d3252b24645b397.rlib" "/opt/rustwide/target/debug/deps/libbase64-e3c6bc05ecb4dd6b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f584045056e081f3.rlib" "/opt/rustwide/target/debug/deps/libdarknet-18adf8cf08ee5a42.rlib" "/opt/rustwide/target/debug/deps/libfailure-c9cb5f78265ab205.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-78d7c325bd655a4a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-6d0e246e318ca385.rlib" "/opt/rustwide/target/debug/deps/liblibc-a3b13f6b27abcc70.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-32eaf08e5545e331.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-33101498c65f24ef.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-ldarknet" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -ldarknet
[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 `squirrel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a92441c0e41f0f17b96550513af5ff1c123a3cba733d509378e810a6a6c6d66a"`
[INFO] running `"docker" "rm" "-f" "a92441c0e41f0f17b96550513af5ff1c123a3cba733d509378e810a6a6c6d66a"`
[INFO] [stdout] a92441c0e41f0f17b96550513af5ff1c123a3cba733d509378e810a6a6c6d66a