[INFO] crate easy_syntax 0.1.0 is already in cache
[INFO] extracting crate easy_syntax 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/easy_syntax/0.1.0
[INFO] extracting crate easy_syntax 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/easy_syntax/0.1.0
[INFO] validating manifest of easy_syntax-0.1.0 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 easy_syntax-0.1.0 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/easy_syntax/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 easy_syntax-0.1.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2f77c84f21ddd07499fd039e9680b0dbe042d0d12944d7f50c4498f5a409ff87
[INFO] running `"docker" "start" "-a" "2f77c84f21ddd07499fd039e9680b0dbe042d0d12944d7f50c4498f5a409ff87"`
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ears-475415950d8a380f.ears.1qolp8an-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/libears-475415950d8a380f.so" "-Wl,--version-script=/tmp/rustcbn7k80/list" "/opt/crater/target/debug/deps/ears-475415950d8a380f.1p89e7hdlnd1xf6c.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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lopenal" "-lsndfile" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcbn7k80/liblazy_static-0c9d1899e9eae559.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcbn7k80/liblibc-d019039477cac03b.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bdynamic" "-lstd-4a76ff35a356aedf" "-Wl,--end-group" "-Wl,-Bstatic" "/tmp/rustcbn7k80/libcompiler_builtins-9fc4b5be2ba5cc19.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" "2f77c84f21ddd07499fd039e9680b0dbe042d0d12944d7f50c4498f5a409ff87"`
[INFO] running `"docker" "rm" "-f" "2f77c84f21ddd07499fd039e9680b0dbe042d0d12944d7f50c4498f5a409ff87"`
[INFO] [stdout] 2f77c84f21ddd07499fd039e9680b0dbe042d0d12944d7f50c4498f5a409ff87