[INFO] updating cached repository vsv/rustulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vsv/rustulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vsv/rustulator" "work/ex/beta-1.37-6/sources/1.36.0/gh/vsv/rustulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/vsv/rustulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vsv/rustulator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vsv/rustulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vsv/rustulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 875a742f80ddc775b845e99c66f12a7ec7c7cc9d
[INFO] sha for GitHub repo vsv/rustulator: 875a742f80ddc775b845e99c66f12a7ec7c7cc9d
[INFO] validating manifest of vsv/rustulator 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 vsv/rustulator 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 vsv/rustulator
[INFO] finished frobbing vsv/rustulator
[INFO] frobbed toml for vsv/rustulator written to work/ex/beta-1.37-6/sources/1.36.0/gh/vsv/rustulator/Cargo.toml
[INFO] started frobbing vsv/rustulator
[INFO] finished frobbing vsv/rustulator
[INFO] frobbed toml for vsv/rustulator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vsv/rustulator/Cargo.toml
[INFO] crate vsv/rustulator 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 vsv/rustulator 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-4/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/vsv/rustulator:/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] c12f68aae66b554324ddc612570b4ffb12b8b77831d8f7ef00c6397bb5cc2e07
[INFO] running `"docker" "start" "-a" "c12f68aae66b554324ddc612570b4ffb12b8b77831d8f7ef00c6397bb5cc2e07"`
[INFO] [stderr]    Compiling rustulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]  --> src/parser.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let parser = Parser { token_stream: token_stream, curr_token: None };
[INFO] [stderr]   |         ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Print`
[INFO] [stderr]   --> src/lexer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Print, // ';'
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `token_stream`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     token_stream: lexer::TokenStream<'lt>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `curr_token`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     curr_token: Option<Token>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "c12f68aae66b554324ddc612570b4ffb12b8b77831d8f7ef00c6397bb5cc2e07"`
[INFO] running `"docker" "rm" "-f" "c12f68aae66b554324ddc612570b4ffb12b8b77831d8f7ef00c6397bb5cc2e07"`
[INFO] [stdout] c12f68aae66b554324ddc612570b4ffb12b8b77831d8f7ef00c6397bb5cc2e07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/vsv/rustulator:/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] c1d39823060da561f404d444a338afa915535dcddeb9c7075bdccb2c633b72ff
[INFO] running `"docker" "start" "-a" "c1d39823060da561f404d444a338afa915535dcddeb9c7075bdccb2c633b72ff"`
[INFO] [stderr]    Compiling rustulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]  --> src/parser.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let parser = Parser { token_stream: token_stream, curr_token: None };
[INFO] [stderr]   |         ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Print`
[INFO] [stderr]   --> src/lexer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Print, // ';'
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `token_stream`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     token_stream: lexer::TokenStream<'lt>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `curr_token`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     curr_token: Option<Token>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "c1d39823060da561f404d444a338afa915535dcddeb9c7075bdccb2c633b72ff"`
[INFO] running `"docker" "rm" "-f" "c1d39823060da561f404d444a338afa915535dcddeb9c7075bdccb2c633b72ff"`
[INFO] [stdout] c1d39823060da561f404d444a338afa915535dcddeb9c7075bdccb2c633b72ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/vsv/rustulator:/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] 16ff4463c7293fed87b4eee67619e67504471324849f890cebd195c4bc18b99c
[INFO] running `"docker" "start" "-a" "16ff4463c7293fed87b4eee67619e67504471324849f890cebd195c4bc18b99c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustulator-3cfcec2dfaa2b019
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test lexer::tests::test_numbers_with_op ... ok
[INFO] [stdout] test lexer::tests::test_number_and_alphanumeric_name ... ok
[INFO] [stdout] test lexer::tests::test_multi_digits_number ... ok
[INFO] [stdout] test lexer::tests::test_long_whitespace ... ok
[INFO] [stdout] test lexer::tests::test_floating_number ... ok
[INFO] [stdout] test lexer::tests::long_whitespace_with_tabs ... ok
[INFO] [stdout] test lexer::tests::test_two_digits_number ... ok
[INFO] [stdout] test lexer::tests::test_whitespace ... ok
[INFO] [stdout] test lexer::tests::test_multi_letter_name ... ok
[INFO] [stdout] test lexer::tests::test_alphanumeric_name ... ok
[INFO] [stdout] test lexer::tests::test_one_digit_number ... ok
[INFO] [stdout] test lexer::tests::test_one_letter_name ... ok
[INFO] [stdout] test lexer::tests::test_operators_only ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "16ff4463c7293fed87b4eee67619e67504471324849f890cebd195c4bc18b99c"`
[INFO] running `"docker" "rm" "-f" "16ff4463c7293fed87b4eee67619e67504471324849f890cebd195c4bc18b99c"`
[INFO] [stdout] 16ff4463c7293fed87b4eee67619e67504471324849f890cebd195c4bc18b99c