[INFO] crate lua_wrapper 0.1.0 is already in cache
[INFO] extracting crate lua_wrapper 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/lua_wrapper/0.1.0
[INFO] extracting crate lua_wrapper 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lua_wrapper/0.1.0
[INFO] validating manifest of lua_wrapper-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 lua_wrapper-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 lua_wrapper-0.1.0
[INFO] finished frobbing lua_wrapper-0.1.0
[INFO] frobbed toml for lua_wrapper-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/lua_wrapper/0.1.0/Cargo.toml
[INFO] started frobbing lua_wrapper-0.1.0
[INFO] finished frobbing lua_wrapper-0.1.0
[INFO] frobbed toml for lua_wrapper-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lua_wrapper/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 lua_wrapper-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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/lua_wrapper/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] b3f5f246243f8f38afe63f3e5dc51a6afaceb261fc12af994816227296deab6c
[INFO] running `"docker" "start" "-a" "b3f5f246243f8f38afe63f3e5dc51a6afaceb261fc12af994816227296deab6c"`
[INFO] [stderr]    Compiling rlua v0.15.3
[INFO] [stderr]    Compiling lua_wrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `"docker" "inspect" "b3f5f246243f8f38afe63f3e5dc51a6afaceb261fc12af994816227296deab6c"`
[INFO] running `"docker" "rm" "-f" "b3f5f246243f8f38afe63f3e5dc51a6afaceb261fc12af994816227296deab6c"`
[INFO] [stdout] b3f5f246243f8f38afe63f3e5dc51a6afaceb261fc12af994816227296deab6c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/lua_wrapper/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0a7204bf77c9d4e7f3349ef7b6faf91de3f4fe97578c62a7080d7c5e484bcdcb
[INFO] running `"docker" "start" "-a" "0a7204bf77c9d4e7f3349ef7b6faf91de3f4fe97578c62a7080d7c5e484bcdcb"`
[INFO] [stderr]    Compiling lua_wrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate Lua;`?
[INFO] [stderr]   --> src/lib.rs:70:31
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let lua_inst = crate::Lua::new();
[INFO] [stderr]    |                               ^^^ maybe a missing `extern crate Lua;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Lua` in module `crate`
[INFO] [stderr]   --> src/lib.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn setup_lua() -> crate::Lua {
[INFO] [stderr]    |                              ^^^ not found in `crate`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 56 |     use rlua::Lua;
[INFO] [stderr]    |
[INFO] [stderr] 56 |     use rlua::prelude::Lua;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rlua::Lua`
[INFO] [stderr]   --> src/lib.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     use rlua::Lua;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `lua_wrapper`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0a7204bf77c9d4e7f3349ef7b6faf91de3f4fe97578c62a7080d7c5e484bcdcb"`
[INFO] running `"docker" "rm" "-f" "0a7204bf77c9d4e7f3349ef7b6faf91de3f4fe97578c62a7080d7c5e484bcdcb"`
[INFO] [stdout] 0a7204bf77c9d4e7f3349ef7b6faf91de3f4fe97578c62a7080d7c5e484bcdcb