[INFO] updating cached repository daveallie/rust_watcher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/daveallie/rust_watcher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/daveallie/rust_watcher" "work/ex/beta-1.38-1/sources/1.37.0/gh/daveallie/rust_watcher"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/daveallie/rust_watcher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/daveallie/rust_watcher" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daveallie/rust_watcher"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daveallie/rust_watcher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 586fa61a590b8dfbb97fa1261a3fc4272bb62106
[INFO] sha for GitHub repo daveallie/rust_watcher: 586fa61a590b8dfbb97fa1261a3fc4272bb62106
[INFO] validating manifest of daveallie/rust_watcher 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 daveallie/rust_watcher 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 daveallie/rust_watcher
[INFO] finished frobbing daveallie/rust_watcher
[INFO] frobbed toml for daveallie/rust_watcher written to work/ex/beta-1.38-1/sources/1.37.0/gh/daveallie/rust_watcher/Cargo.toml
[INFO] started frobbing daveallie/rust_watcher
[INFO] finished frobbing daveallie/rust_watcher
[INFO] frobbed toml for daveallie/rust_watcher written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daveallie/rust_watcher/Cargo.toml
[INFO] crate daveallie/rust_watcher 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/daveallie/rust_watcher/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] testing daveallie/rust_watcher 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/gh/daveallie/rust_watcher:/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] db1a5ca5d2c04cf87401f6be2548a78b59b59c98c51ed09fa4ad19a273053ee5
[INFO] running `"docker" "start" "-a" "db1a5ca5d2c04cf87401f6be2548a78b59b59c98c51ed09fa4ad19a273053ee5"`
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling ruru v0.8.1
[INFO] [stderr]    Compiling rust_watcher 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/rust_watcher.rust_watcher.3kjvoedl-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/librust_watcher.so" "-Wl,--version-script=/tmp/rustcpQYmDQ/list" "/opt/crater/target/debug/deps/rust_watcher.icrouk5wigh259e.rcgu.o" "/opt/crater/target/debug/deps/rust_watcher.1hdwhux3fxtzsjqj.rcgu.o" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libnotify-bed35bdb6640f976.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libwalkdir-2bf00a233a698877.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libinotify-91c3aecfb043539e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libfiletime-f969cedaa64e9860.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libmio-45ab64ffaa3c8563.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libnet2-065afb1d7e298581.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libmiow-8b13e952c6a67776.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libwinapi-d699aca12e7b19a5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libnix-92589d407ced581d.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libslab-9cb3fa94cc7433b0.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libtime-29b9853d922d9d06.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libbytes-2fa10ffaf77bab28.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libbitflags-9f030c7d282c894d.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/liblog-5ad476e9af8f39be.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/liblog-55cfa8f7ed258bff.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libcfg_if-3028bdd7b8e15bb5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libruru-93496d489b228eb7.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libruby_sys-39afd796f03b3c51.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/liblibc-d019039477cac03b.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libstd-4a76ff35a356aedf.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libpanic_unwind-e11c7b3b3225afe2.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libbacktrace-13217ede3d276f16.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libbacktrace_sys-621a9ee22da6caa1.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/librustc_demangle-546c844e8071bbeb.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libhashbrown-be9569e4d599746f.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libunwind-017511bce73a530c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libcfg_if-be7979c57a08057b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/liblibc-d6459c4f0817c67c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/liballoc-580035dd98451925.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/librustc_std_workspace_core-aee5c24fff305dea.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcpQYmDQ/libcore-8a55a4098920125a.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustcpQYmDQ/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lruby-2.3" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lruby-2.3
[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 `rust_watcher`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "db1a5ca5d2c04cf87401f6be2548a78b59b59c98c51ed09fa4ad19a273053ee5"`
[INFO] running `"docker" "rm" "-f" "db1a5ca5d2c04cf87401f6be2548a78b59b59c98c51ed09fa4ad19a273053ee5"`
[INFO] [stdout] db1a5ca5d2c04cf87401f6be2548a78b59b59c98c51ed09fa4ad19a273053ee5