[INFO] updating cached repository FuzzyLitchi/lua
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FuzzyLitchi/lua
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FuzzyLitchi/lua" "work/ex/beta-1.37-6/sources/1.36.0/gh/FuzzyLitchi/lua"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/FuzzyLitchi/lua'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FuzzyLitchi/lua" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FuzzyLitchi/lua"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FuzzyLitchi/lua'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f98778d122dd540a55122e881b1a18a30cf453f
[INFO] sha for GitHub repo FuzzyLitchi/lua: 9f98778d122dd540a55122e881b1a18a30cf453f
[INFO] validating manifest of FuzzyLitchi/lua 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 FuzzyLitchi/lua 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 FuzzyLitchi/lua
[INFO] finished frobbing FuzzyLitchi/lua
[INFO] frobbed toml for FuzzyLitchi/lua written to work/ex/beta-1.37-6/sources/1.36.0/gh/FuzzyLitchi/lua/Cargo.toml
[INFO] started frobbing FuzzyLitchi/lua
[INFO] finished frobbing FuzzyLitchi/lua
[INFO] frobbed toml for FuzzyLitchi/lua written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FuzzyLitchi/lua/Cargo.toml
[INFO] crate FuzzyLitchi/lua already has a lockfile, it will not be regenerated
[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 FuzzyLitchi/lua 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/gh/FuzzyLitchi/lua:/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] f65cff9dad31521c44a67e9d6bd9aeb3f5e4ac6206a2559e32d047151b0327e8
[INFO] running `"docker" "start" "-a" "f65cff9dad31521c44a67e9d6bd9aeb3f5e4ac6206a2559e32d047151b0327e8"`
[INFO] [stderr]    Compiling lua v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `matchers`
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "f65cff9dad31521c44a67e9d6bd9aeb3f5e4ac6206a2559e32d047151b0327e8"`
[INFO] running `"docker" "rm" "-f" "f65cff9dad31521c44a67e9d6bd9aeb3f5e4ac6206a2559e32d047151b0327e8"`
[INFO] [stdout] f65cff9dad31521c44a67e9d6bd9aeb3f5e4ac6206a2559e32d047151b0327e8
[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/gh/FuzzyLitchi/lua:/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] 8807de949f8d7cb6a0f624f72fa5c0e042aa4057f82f1650db99e6ff78f1b1c6
[INFO] running `"docker" "start" "-a" "8807de949f8d7cb6a0f624f72fa5c0e042aa4057f82f1650db99e6ff78f1b1c6"`
[INFO] [stderr]    Compiling lua v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `matchers`
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "8807de949f8d7cb6a0f624f72fa5c0e042aa4057f82f1650db99e6ff78f1b1c6"`
[INFO] running `"docker" "rm" "-f" "8807de949f8d7cb6a0f624f72fa5c0e042aa4057f82f1650db99e6ff78f1b1c6"`
[INFO] [stdout] 8807de949f8d7cb6a0f624f72fa5c0e042aa4057f82f1650db99e6ff78f1b1c6
[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/gh/FuzzyLitchi/lua:/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"`
[INFO] [stdout] 2e310eea45e17cb9fc92fed581302b73dfd1d476799be0d35885718693d2c2e9
[INFO] running `"docker" "start" "-a" "2e310eea45e17cb9fc92fed581302b73dfd1d476799be0d35885718693d2c2e9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lua-257af7e1830c9e4a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2e310eea45e17cb9fc92fed581302b73dfd1d476799be0d35885718693d2c2e9"`
[INFO] running `"docker" "rm" "-f" "2e310eea45e17cb9fc92fed581302b73dfd1d476799be0d35885718693d2c2e9"`
[INFO] [stdout] 2e310eea45e17cb9fc92fed581302b73dfd1d476799be0d35885718693d2c2e9