[INFO] updating cached repository mmueller/advent2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmueller/advent2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmueller/advent2016" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mmueller/advent2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mmueller/advent2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmueller/advent2016" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mmueller/advent2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mmueller/advent2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae140beb832ff98fd285c54d7100d9835c2399a1
[INFO] sha for GitHub repo mmueller/advent2016: ae140beb832ff98fd285c54d7100d9835c2399a1
[INFO] validating manifest of mmueller/advent2016 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 mmueller/advent2016 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 mmueller/advent2016
[INFO] finished frobbing mmueller/advent2016
[INFO] frobbed toml for mmueller/advent2016 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mmueller/advent2016/Cargo.toml
[INFO] started frobbing mmueller/advent2016
[INFO] finished frobbing mmueller/advent2016
[INFO] frobbed toml for mmueller/advent2016 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mmueller/advent2016/Cargo.toml
[INFO] crate mmueller/advent2016 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 mmueller/advent2016 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mmueller/advent2016:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 688afd6d711fcf604a75e7942f5fecce8ea0434889a66edcb14543a4754318b2
[INFO] running `"docker" "start" "-a" "688afd6d711fcf604a75e7942f5fecce8ea0434889a66edcb14543a4754318b2"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.7.1
[INFO] [stderr]    Compiling advent2016 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/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.advent2016.4tqezx13-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400" "/opt/crater/target/debug/deps/advent2016-d4af8c5099db3400.4k8qzepgpyc9q6cr.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/rust-crypto-570d31d2a1737e0e/out" "-L" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-1c5c2c99e852929a.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-0fa842b8b22beedf.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ae1fa48dc05a370a.rlib" "/opt/crater/target/debug/deps/libthread_local-5234b3a0d74d2855.rlib" "/opt/crater/target/debug/deps/libthread_id-f4851a30937eb7fa.rlib" "/opt/crater/target/debug/deps/libaho_corasick-ec0c423d855110fa.rlib" "/opt/crater/target/debug/deps/libmemchr-d8dcb0dc42d1edc3.rlib" "/opt/crater/target/debug/deps/liblazy_static-2232fdc8a8bcb0ec.rlib" "/opt/crater/target/debug/deps/liberror_chain-8e9be1346c0bc799.rlib" "/opt/crater/target/debug/deps/libbacktrace-51eba6192002afb4.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-b7d8b98573aab859.rlib" "/opt/crater/target/debug/deps/librustc_demangle-4c4fdb42d352ee49.rlib" "/opt/crater/target/debug/deps/libcfg_if-0a93ba4f6cd185dc.rlib" "/opt/crater/target/debug/deps/libdbghelp-9b750215343655ee.rlib" "/opt/crater/target/debug/deps/libwinapi-8b6aedb380efb349.rlib" "/opt/crater/target/debug/deps/libkernel32-03a5a47a8ea86e38.rlib" "/opt/crater/target/debug/deps/libcrypto-c89a826f75a75903.rlib" "/opt/crater/target/debug/deps/libtime-c3d0a63f00cc3855.rlib" "/opt/crater/target/debug/deps/librustc_serialize-54940fcb67188a21.rlib" "/opt/crater/target/debug/deps/librand-658fcfa4cbcf8709.rlib" "/opt/crater/target/debug/deps/liblibc-b361dfc65cf0c0c3.rlib" "/opt/crater/target/debug/deps/libargparse-1e478a6353e4c72f.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b9cdeeb7d71e069b.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-2c784314f5b61a49.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-3b6efc0e4ddb88fa.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f958c03192217b33.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6a937665f3cd6c5f.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e29e11dee090b90f.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-83c4e27232163c87.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-39348c626a7cd664.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-a98540404781e6a7.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0f63061644276a5.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-51eba6192002afb4.rlib(backtrace-51eba6192002afb4.backtrace.3unz5uxp-cgu.12.rcgu.o): In function `_RNCNsNtNaCs7slvM1JNgjp_9backtrace9symbolize12libbacktrace10init_state0B7_':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-51eba6192002afb4.rlib(backtrace-51eba6192002afb4.backtrace.3unz5uxp-cgu.12.rcgu.o): In function `_RNyNtNaCs7slvM1JNgjp_9backtrace9symbolize12libbacktrace7resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[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 `advent2016`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "688afd6d711fcf604a75e7942f5fecce8ea0434889a66edcb14543a4754318b2"`
[INFO] running `"docker" "rm" "-f" "688afd6d711fcf604a75e7942f5fecce8ea0434889a66edcb14543a4754318b2"`
[INFO] [stdout] 688afd6d711fcf604a75e7942f5fecce8ea0434889a66edcb14543a4754318b2