[INFO] updating cached repository richardanaya/rust-simple-virtual-dom [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/richardanaya/rust-simple-virtual-dom [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/richardanaya/rust-simple-virtual-dom" "work/ex/beta-1.38-1/sources/1.37.0/gh/richardanaya/rust-simple-virtual-dom"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/richardanaya/rust-simple-virtual-dom'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/richardanaya/rust-simple-virtual-dom" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardanaya/rust-simple-virtual-dom"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardanaya/rust-simple-virtual-dom'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ad93369513d2b8367816155fe0e17c42bc35a52f [INFO] sha for GitHub repo richardanaya/rust-simple-virtual-dom: ad93369513d2b8367816155fe0e17c42bc35a52f [INFO] validating manifest of richardanaya/rust-simple-virtual-dom 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 richardanaya/rust-simple-virtual-dom 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 richardanaya/rust-simple-virtual-dom [INFO] finished frobbing richardanaya/rust-simple-virtual-dom [INFO] frobbed toml for richardanaya/rust-simple-virtual-dom written to work/ex/beta-1.38-1/sources/1.37.0/gh/richardanaya/rust-simple-virtual-dom/Cargo.toml [INFO] started frobbing richardanaya/rust-simple-virtual-dom [INFO] finished frobbing richardanaya/rust-simple-virtual-dom [INFO] frobbed toml for richardanaya/rust-simple-virtual-dom written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardanaya/rust-simple-virtual-dom/Cargo.toml [INFO] crate richardanaya/rust-simple-virtual-dom 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] testing richardanaya/rust-simple-virtual-dom 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/richardanaya/rust-simple-virtual-dom:/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] 6f2cad6c4d22fa41ee6a9405faa4355ac779230ee50ceb22bf6e829200c5a66b [INFO] running `"docker" "start" "-a" "6f2cad6c4d22fa41ee6a9405faa4355ac779230ee50ceb22bf6e829200c5a66b"` [INFO] [stderr] Compiling simple-virtual-dom v0.1.0 (/opt/crater/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/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/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.simple_virtual_dom.92el3g2d-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362" "/opt/crater/target/debug/deps/simple_virtual_dom-e79adc7a80dcf362.2lmsdatq35dz8kq2.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,--start-group" "-Wl,-Bstatic" "/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" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x20): undefined reference to `main' [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 `simple-virtual-dom`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6f2cad6c4d22fa41ee6a9405faa4355ac779230ee50ceb22bf6e829200c5a66b"` [INFO] running `"docker" "rm" "-f" "6f2cad6c4d22fa41ee6a9405faa4355ac779230ee50ceb22bf6e829200c5a66b"` [INFO] [stdout] 6f2cad6c4d22fa41ee6a9405faa4355ac779230ee50ceb22bf6e829200c5a66b