[INFO] crate easy_syntax 0.1.0 is already in cache
[INFO] extracting crate easy_syntax 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/easy_syntax/0.1.0
[INFO] extracting crate easy_syntax 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/easy_syntax/0.1.0
[INFO] validating manifest of easy_syntax-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of easy_syntax-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing easy_syntax-0.1.0
[INFO] finished frobbing easy_syntax-0.1.0
[INFO] frobbed toml for easy_syntax-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/easy_syntax/0.1.0/Cargo.toml
[INFO] started frobbing easy_syntax-0.1.0
[INFO] finished frobbing easy_syntax-0.1.0
[INFO] frobbed toml for easy_syntax-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/easy_syntax/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing easy_syntax-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/easy_syntax/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] faa10079f0022f77f470e5f72782f416d19fba06efeb78fe27950c5f732fcf43
[INFO] running `"docker" "start" "-a" "faa10079f0022f77f470e5f72782f416d19fba06efeb78fe27950c5f732fcf43"`
[INFO] [stderr]    Compiling ears v0.4.0
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.ears.g8laqsdi-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/libears-24f25b7f14707326.so" "/opt/crater/target/debug/deps/ears-24f25b7f14707326.3khh4hgs8q1hp30d.rcgu.o" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/local/opt/openal-soft/lib" "-L" "/usr/local/lib" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lopenal" "-lsndfile" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcLKzOjm/liblazy_static-318544a807a94655.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcLKzOjm/liblibc-e3ba75b536aabfa5.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bdynamic" "-lstd-9895e8982b0a79e7" "-Wl,--end-group" "-Wl,-Bstatic" "/tmp/rustcLKzOjm/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lsndfile
[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 `ears`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "faa10079f0022f77f470e5f72782f416d19fba06efeb78fe27950c5f732fcf43"`
[INFO] running `"docker" "rm" "-f" "faa10079f0022f77f470e5f72782f416d19fba06efeb78fe27950c5f732fcf43"`
[INFO] [stdout] faa10079f0022f77f470e5f72782f416d19fba06efeb78fe27950c5f732fcf43