[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/beta-1.38-1/sources/1.37.0/gh/xzfred/morelike"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xzfred/morelike'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/xzfred/morelike" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xzfred/morelike"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of xzfred/morelike on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/xzfred/morelike/Cargo.toml [INFO] crate xzfred/morelike already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing xzfred/morelike against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 59dc42e2e9a75d9ba27003e44d0e8f3ede81b9bafb94c4b440ac91d83a0b18b9 [INFO] running `"docker" "start" "-a" "59dc42e2e9a75d9ba27003e44d0e8f3ede81b9bafb94c4b440ac91d83a0b18b9"` [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 atty v0.2.8 [INFO] [stderr] Compiling mach v0.2.3 [INFO] [stderr] Compiling net2 v0.2.33 [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 regex v0.2.10 [INFO] [stderr] Compiling bytes v0.4.10 [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 env_logger v0.5.6 [INFO] [stderr] Compiling tokio v0.1.7 [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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.morelike.e7smv99n-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa" "/opt/crater/target/debug/deps/morelike-37b700b3121a36fa.3y9tttn80a2um2gn.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmach-0511b1c0460ff378.rlib" "/opt/crater/target/debug/deps/libtokio-0de20b045ab0a278.rlib" "/opt/crater/target/debug/deps/libtokio_udp-053038095ef67128.rlib" "/opt/crater/target/debug/deps/libtokio_codec-24657eaa50f49d73.rlib" "/opt/crater/target/debug/deps/libtokio_tcp-faf337fd1b55139a.rlib" "/opt/crater/target/debug/deps/libtokio_timer-4d506845d070c78e.rlib" "/opt/crater/target/debug/deps/libtokio_reactor-f2c52bcecc5cd32e.rlib" "/opt/crater/target/debug/deps/libmio-c4ed8c790b525df0.rlib" "/opt/crater/target/debug/deps/libslab-74865e0043a36eb1.rlib" "/opt/crater/target/debug/deps/libnet2-1be89a5d864d1c7b.rlib" "/opt/crater/target/debug/deps/liblazycell-109ad2e3a138d016.rlib" "/opt/crater/target/debug/deps/libtokio_fs-c010199eb47cdad0.rlib" "/opt/crater/target/debug/deps/libtokio_threadpool-3f1cc892e538a26e.rlib" "/opt/crater/target/debug/deps/librand-89dd19197dcf2df2.rlib" "/opt/crater/target/debug/deps/librand_core-07ca77de4823faaa.rlib" "/opt/crater/target/debug/deps/librand_core-562aeeaf733cf7c9.rlib" "/opt/crater/target/debug/deps/libnum_cpus-a8e3889e8b7bbef7.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-7ffc63cf8aa76763.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-aa5f827b676713e4.rlib" "/opt/crater/target/debug/deps/libscopeguard-316f896e0d3e978a.rlib" "/opt/crater/target/debug/deps/libmemoffset-6c4b37f364c61d2a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-d524864a054eb21b.rlib" "/opt/crater/target/debug/deps/libarrayvec-a0d6009ed9c5e034.rlib" "/opt/crater/target/debug/deps/libnodrop-4e986c2cb71c811e.rlib" "/opt/crater/target/debug/deps/libtokio_executor-8600460ec6b880b2.rlib" "/opt/crater/target/debug/deps/libtokio_io-bc5f3f293e5480ec.rlib" "/opt/crater/target/debug/deps/libbytes-5e4a8ecc935c0ced.rlib" "/opt/crater/target/debug/deps/libiovec-331bac4d0b6b2422.rlib" "/opt/crater/target/debug/deps/libbyteorder-9c5019ad5864b905.rlib" "/opt/crater/target/debug/deps/libfutures-b20f2b73617489cb.rlib" "/opt/crater/target/debug/deps/libpretty_env_logger-7ddaf74614408b35.rlib" "/opt/crater/target/debug/deps/libenv_logger-fa01c690427bd53e.rlib" "/opt/crater/target/debug/deps/libregex-30cae6bdb047233c.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-92eef759f8fa2727.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ef9d7927a1908929.rlib" "/opt/crater/target/debug/deps/libucd_util-648c6582e280a648.rlib" "/opt/crater/target/debug/deps/libthread_local-92ea0c2685a97a7e.rlib" "/opt/crater/target/debug/deps/liblazy_static-544ad40da8f8b589.rlib" "/opt/crater/target/debug/deps/libunreachable-b06fe4f6d04b74f2.rlib" "/opt/crater/target/debug/deps/libvoid-d4bd79b68b9b921e.rlib" "/opt/crater/target/debug/deps/libaho_corasick-d55ddfc27c62061c.rlib" "/opt/crater/target/debug/deps/libmemchr-0190fa52770e8367.rlib" "/opt/crater/target/debug/deps/libatty-443544d6dbfdf736.rlib" "/opt/crater/target/debug/deps/liblibc-8f6d2a92b9de74ec.rlib" "/opt/crater/target/debug/deps/libhumantime-c872bd0d1d80544c.rlib" "/opt/crater/target/debug/deps/libquick_error-9c87504e20e65dac.rlib" "/opt/crater/target/debug/deps/libtermcolor-eb4fa642356380d7.rlib" "/opt/crater/target/debug/deps/libansi_term-0307525fbc1cbad4.rlib" "/opt/crater/target/debug/deps/liblog-9a4573bfd4d75161.rlib" "/opt/crater/target/debug/deps/libcfg_if-f0641b5a9a5cde64.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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-37b700b3121a36fa.morelike.e7smv99n-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-0511b1c0460ff378.rlib(mach-0511b1c0460ff378.mach.c6akfzey-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" "59dc42e2e9a75d9ba27003e44d0e8f3ede81b9bafb94c4b440ac91d83a0b18b9"` [INFO] running `"docker" "rm" "-f" "59dc42e2e9a75d9ba27003e44d0e8f3ede81b9bafb94c4b440ac91d83a0b18b9"` [INFO] [stdout] 59dc42e2e9a75d9ba27003e44d0e8f3ede81b9bafb94c4b440ac91d83a0b18b9