[INFO] updating cached repository https://github.com/daveallie/rust_watcher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 586fa61a590b8dfbb97fa1261a3fc4272bb62106
[INFO] testing daveallie/rust_watcher against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveallie%2Frust_watcher" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daveallie/rust_watcher on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/daveallie/rust_watcher
[INFO] finished tweaking git repo https://github.com/daveallie/rust_watcher
[INFO] tweaked toml for git repo https://github.com/daveallie/rust_watcher written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/daveallie/rust_watcher already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b58fdd44a512d399c5a0b2d969992afcb0384b233d60010eea3371df8cd9aee7
[INFO] running `"docker" "start" "-a" "b58fdd44a512d399c5a0b2d969992afcb0384b233d60010eea3371df8cd9aee7"`
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling ruru v0.8.1
[INFO] [stderr]    Compiling rust_watcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     try!(watcher.watch(&top_path));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[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/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.rust_watcher.3kjvoedl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/librust_watcher.so" "-Wl,--version-script=/tmp/rustc0K9uis/list" "/opt/rustwide/target/debug/deps/rust_watcher.icrouk5wigh259e.rcgu.o" "/opt/rustwide/target/debug/deps/rust_watcher.1hdwhux3fxtzsjqj.rcgu.o" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libnotify-2487b0c54c7d4a01.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libwalkdir-862311e26132804e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libinotify-6d4e22dab868ae3c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libfiletime-1fc107ab09d4ed08.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libmio-5ffb54a43fc33460.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libnet2-34146b7322fceab7.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libmiow-e750852a9b1d65fa.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libwinapi-7e701baf38e52a01.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libnix-7fe76805690234a1.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libslab-65d00d5be77ee004.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libtime-64b8b09fb4a6d2bc.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libbytes-2998eb16b1bade68.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libbitflags-8c44b7aba38a898e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/liblog-03e85f8c88e058b0.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/liblog-5513cb556299afcf.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libcfg_if-1e2186a891f602d1.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libruru-fb97306eac00ca65.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libruby_sys-c3320cf0e38d9723.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/liblibc-9f7a5de25bd5699b.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libstd-db812c66f862af4c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libpanic_unwind-e7871a21575d5ff7.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libhashbrown-2f2c581bc0d759e6.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libbacktrace-36477394541292db.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libbacktrace_sys-8b706b170c1272d8.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/librustc_demangle-801dbb3043ccf581.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libunwind-a32aa66ce6f72b21.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libcfg_if-d00ea3bfb2bb6c00.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/liblibc-d2c6ebe88c3e113c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/liballoc-df74f62f6bb60621.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/librustc_std_workspace_core-2170473575daeedb.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0K9uis/libcore-1a08089bbddc4f51.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustc0K9uis/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lruby-2.5" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lruby-2.5
[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" "b58fdd44a512d399c5a0b2d969992afcb0384b233d60010eea3371df8cd9aee7"`
[INFO] running `"docker" "rm" "-f" "b58fdd44a512d399c5a0b2d969992afcb0384b233d60010eea3371df8cd9aee7"`
[INFO] [stdout] b58fdd44a512d399c5a0b2d969992afcb0384b233d60010eea3371df8cd9aee7