[INFO] updating cached repository xzfred/morelike
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xzfred/morelike
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xzfred/morelike" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/xzfred/morelike"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/xzfred/morelike'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xzfred/morelike" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/xzfred/morelike"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/xzfred/morelike'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0faf7c173456a6105ad9642f17ab2bb5e6270cf0
[INFO] sha for GitHub repo xzfred/morelike: 0faf7c173456a6105ad9642f17ab2bb5e6270cf0
[INFO] validating manifest of xzfred/morelike on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xzfred/morelike on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xzfred/morelike
[INFO] finished frobbing xzfred/morelike
[INFO] frobbed toml for xzfred/morelike written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/xzfred/morelike/Cargo.toml
[INFO] started frobbing xzfred/morelike
[INFO] finished frobbing xzfred/morelike
[INFO] frobbed toml for xzfred/morelike written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/xzfred/morelike/Cargo.toml
[INFO] crate xzfred/morelike has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing xzfred/morelike against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/xzfred/morelike:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 6ac5ad5e81a474dda77883425f3b3cbd7ee8aac19310c9552fd6e9ba4ebcb147
[INFO] running `"docker" "start" "-a" "6ac5ad5e81a474dda77883425f3b3cbd7ee8aac19310c9552fd6e9ba4ebcb147"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling mach v0.2.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling pretty_env_logger v0.2.2
[INFO] [stderr]    Compiling morelike v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function `getThreadNum` should have a snake case name
[INFO] [stderr]   --> src/main.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn getThreadNum() {
[INFO] [stderr]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_thread_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[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/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b" "/opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.16pezy75hcj5ugel.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmach-fb8fea0e3481abb2.rlib" "/opt/crater/target/debug/deps/libtokio-56636db4ac471b70.rlib" "/opt/crater/target/debug/deps/libtokio_udp-53baf64d2bfca7e1.rlib" "/opt/crater/target/debug/deps/libtokio_codec-b8d9d1f34260f7d7.rlib" "/opt/crater/target/debug/deps/libtokio_tcp-b472df070f83fe7d.rlib" "/opt/crater/target/debug/deps/libtokio_timer-60ce165966d38803.rlib" "/opt/crater/target/debug/deps/libtokio_reactor-2589130ae713ac3b.rlib" "/opt/crater/target/debug/deps/libmio-25739278d1128447.rlib" "/opt/crater/target/debug/deps/libslab-8fb7f096a01ddf23.rlib" "/opt/crater/target/debug/deps/libnet2-1fc8a47ed2080709.rlib" "/opt/crater/target/debug/deps/liblazycell-4b6d4e7f0bd5b8ce.rlib" "/opt/crater/target/debug/deps/libtokio_fs-908aac07699c5a89.rlib" "/opt/crater/target/debug/deps/libtokio_threadpool-017f5d66853ad869.rlib" "/opt/crater/target/debug/deps/librand-89b5e6e034a7a03f.rlib" "/opt/crater/target/debug/deps/librand_core-f60b84565a47087c.rlib" "/opt/crater/target/debug/deps/librand_core-576c4e93c9e38e6b.rlib" "/opt/crater/target/debug/deps/libnum_cpus-a4a4545c7043de08.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-fefeb187e6742611.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-91a78bff1bdf36a5.rlib" "/opt/crater/target/debug/deps/libscopeguard-dec50d9fc502af42.rlib" "/opt/crater/target/debug/deps/libmemoffset-6d13d2975e0c175a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-ae22374352c597e3.rlib" "/opt/crater/target/debug/deps/libarrayvec-681706759fc7a336.rlib" "/opt/crater/target/debug/deps/libnodrop-5810b921f2778a74.rlib" "/opt/crater/target/debug/deps/libtokio_executor-ff2557f3a8d7cb8a.rlib" "/opt/crater/target/debug/deps/libtokio_io-df5d1d31b7d08843.rlib" "/opt/crater/target/debug/deps/libbytes-09a96b5cfe3381d6.rlib" "/opt/crater/target/debug/deps/libiovec-0a21f30293430efc.rlib" "/opt/crater/target/debug/deps/libbyteorder-5b88a629b9f6d6a8.rlib" "/opt/crater/target/debug/deps/libfutures-99cb76b6e429b713.rlib" "/opt/crater/target/debug/deps/libpretty_env_logger-fa44e5696b343048.rlib" "/opt/crater/target/debug/deps/libenv_logger-13d177eaacb0e2bd.rlib" "/opt/crater/target/debug/deps/libregex-cbe634db3456616a.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-9d91b0e8b555e8f3.rlib" "/opt/crater/target/debug/deps/libregex_syntax-71cef28718922c73.rlib" "/opt/crater/target/debug/deps/libucd_util-012c6bf8983ed596.rlib" "/opt/crater/target/debug/deps/libthread_local-7bfbe365f04f176d.rlib" "/opt/crater/target/debug/deps/liblazy_static-a354c41922ea60da.rlib" "/opt/crater/target/debug/deps/libunreachable-35c77c5d0a2f5bc6.rlib" "/opt/crater/target/debug/deps/libvoid-b0b37fff1e1e077d.rlib" "/opt/crater/target/debug/deps/libaho_corasick-f488f8815ec7bda1.rlib" "/opt/crater/target/debug/deps/libmemchr-f9012a3d190e7cab.rlib" "/opt/crater/target/debug/deps/libatty-6bdb9a49e789e7b8.rlib" "/opt/crater/target/debug/deps/liblibc-fe1b65f6bcceb223.rlib" "/opt/crater/target/debug/deps/libhumantime-1b1345246d4ed453.rlib" "/opt/crater/target/debug/deps/libquick_error-4913aedd81fc1898.rlib" "/opt/crater/target/debug/deps/libtermcolor-4fccfa2a936781a4.rlib" "/opt/crater/target/debug/deps/libansi_term-2048a0fce956ac74.rlib" "/opt/crater/target/debug/deps/liblog-d18bce46fcf87c23.rlib" "/opt/crater/target/debug/deps/libcfg_if-c67c92cab1abc9f6.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8469d768695d9748.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-786c0f406992159b.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-eda54ffd3e6402cc.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3b59adbc83c396a4.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d2bb09f4dcbd4be.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e96acda46b77a2fd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-596074f575b1f832.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57f280c1596673cd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-16132b5b2ecf9ec1.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-37286a0a9c4289ff.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/morelike-e3adad91adb23b2b.morelike.5wjhyzbc-cgu.0.rcgu.o: In function `morelike::getThreadNum':
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:40: undefined reference to `task_for_pid'
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:45: undefined reference to `task_threads'
[INFO] [stderr]           /opt/crater/target/debug/deps/libmach-fb8fea0e3481abb2.rlib(mach-fb8fea0e3481abb2.mach.84t108h0-cgu.15.rcgu.o): In function `mach::traps::mach_task_self':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mach-0.2.3/src/traps.rs:15: undefined reference to `mach_task_self_'
[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 `morelike`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6ac5ad5e81a474dda77883425f3b3cbd7ee8aac19310c9552fd6e9ba4ebcb147"`
[INFO] running `"docker" "rm" "-f" "6ac5ad5e81a474dda77883425f3b3cbd7ee8aac19310c9552fd6e9ba4ebcb147"`
[INFO] [stdout] 6ac5ad5e81a474dda77883425f3b3cbd7ee8aac19310c9552fd6e9ba4ebcb147