[INFO] updating cached repository jeramyRR/play-language
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeramyRR/play-language
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeramyRR/play-language" "work/ex/beta-1.37-6/sources/1.36.0/gh/jeramyRR/play-language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jeramyRR/play-language'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeramyRR/play-language" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeramyRR/play-language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeramyRR/play-language'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0ca9809a39e504c946328f5d2bb4ca8d1ee89e5
[INFO] sha for GitHub repo jeramyRR/play-language: b0ca9809a39e504c946328f5d2bb4ca8d1ee89e5
[INFO] validating manifest of jeramyRR/play-language 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 jeramyRR/play-language 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 jeramyRR/play-language
[INFO] finished frobbing jeramyRR/play-language
[INFO] frobbed toml for jeramyRR/play-language written to work/ex/beta-1.37-6/sources/1.36.0/gh/jeramyRR/play-language/Cargo.toml
[INFO] started frobbing jeramyRR/play-language
[INFO] finished frobbing jeramyRR/play-language
[INFO] frobbed toml for jeramyRR/play-language written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeramyRR/play-language/Cargo.toml
[INFO] crate jeramyRR/play-language 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 jeramyRR/play-language against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeramyRR/play-language:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 82a8205531b90bf095d855b8e5b2a5536a2a8b6af00635c26381183013d02ac5
[INFO] running `"docker" "start" "-a" "82a8205531b90bf095d855b8e5b2a5536a2a8b6af00635c26381183013d02ac5"`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |             '0' ... '9' => {
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ASTNodeType`
[INFO] [stderr]  --> src/parser.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum ASTNodeType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BaseNode`
[INFO] [stderr]   --> src/parser.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct BaseNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ASTNode`
[INFO] [stderr]   --> src/parser.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub enum ASTNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AST`
[INFO] [stderr]   --> src/parser.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct AST {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parser`
[INFO] [stderr]   --> src/parser.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn parser(tokens: &[Token]) -> AST{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `walk`
[INFO] [stderr]   --> src/parser.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn walk(tokens: &[Token], current: &mut usize) -> Option<ASTNode> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `token_value`
[INFO] [stderr]   --> src/parser.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn token_value(token: &Token) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `"docker" "inspect" "82a8205531b90bf095d855b8e5b2a5536a2a8b6af00635c26381183013d02ac5"`
[INFO] running `"docker" "rm" "-f" "82a8205531b90bf095d855b8e5b2a5536a2a8b6af00635c26381183013d02ac5"`
[INFO] [stdout] 82a8205531b90bf095d855b8e5b2a5536a2a8b6af00635c26381183013d02ac5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeramyRR/play-language:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 62a48efb48a9aadd0898da09fef7d31b8fb5b1a4e5930f4f2da3c4cc93040043
[INFO] running `"docker" "start" "-a" "62a48efb48a9aadd0898da09fef7d31b8fb5b1a4e5930f4f2da3c4cc93040043"`
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |             '0' ... '9' => {
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "62a48efb48a9aadd0898da09fef7d31b8fb5b1a4e5930f4f2da3c4cc93040043"`
[INFO] running `"docker" "rm" "-f" "62a48efb48a9aadd0898da09fef7d31b8fb5b1a4e5930f4f2da3c4cc93040043"`
[INFO] [stdout] 62a48efb48a9aadd0898da09fef7d31b8fb5b1a4e5930f4f2da3c4cc93040043
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeramyRR/play-language:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 181eabc3b6481f749632d3243e9e000ecf8c5d5a807f87fb64e550963d4588be
[INFO] running `"docker" "start" "-a" "181eabc3b6481f749632d3243e9e000ecf8c5d5a807f87fb64e550963d4588be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lang-fa3f6c55fdc9a218
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::tests::test_parser ... ok
[INFO] [stdout] test lexer::tests::test_tokenizer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "181eabc3b6481f749632d3243e9e000ecf8c5d5a807f87fb64e550963d4588be"`
[INFO] running `"docker" "rm" "-f" "181eabc3b6481f749632d3243e9e000ecf8c5d5a807f87fb64e550963d4588be"`
[INFO] [stdout] 181eabc3b6481f749632d3243e9e000ecf8c5d5a807f87fb64e550963d4588be