[INFO] updating cached repository coffee-cup/rust-calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coffee-cup/rust-calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coffee-cup/rust-calc" "work/ex/beta-1.38-1/sources/1.37.0/gh/coffee-cup/rust-calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/coffee-cup/rust-calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coffee-cup/rust-calc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coffee-cup/rust-calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coffee-cup/rust-calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7fa90f1100921250c2ea8fdf6e3f1a6005726e1
[INFO] sha for GitHub repo coffee-cup/rust-calc: f7fa90f1100921250c2ea8fdf6e3f1a6005726e1
[INFO] validating manifest of coffee-cup/rust-calc on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coffee-cup/rust-calc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coffee-cup/rust-calc
[INFO] finished frobbing coffee-cup/rust-calc
[INFO] frobbed toml for coffee-cup/rust-calc written to work/ex/beta-1.38-1/sources/1.37.0/gh/coffee-cup/rust-calc/Cargo.toml
[INFO] started frobbing coffee-cup/rust-calc
[INFO] finished frobbing coffee-cup/rust-calc
[INFO] frobbed toml for coffee-cup/rust-calc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coffee-cup/rust-calc/Cargo.toml
[INFO] crate coffee-cup/rust-calc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coffee-cup/rust-calc against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coffee-cup/rust-calc:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 28bd61e4508210289490376b24813d71739126397c79508b89295d2c71f35afd
[INFO] running `"docker" "start" "-a" "28bd61e4508210289490376b24813d71739126397c79508b89295d2c71f35afd"`
[INFO] [stderr]    Compiling rust-calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 '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: function is never used: `parse_and_lex`
[INFO] [stderr]   --> src/parser.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn parse_and_lex(input: &String) -> Result<Expr, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "28bd61e4508210289490376b24813d71739126397c79508b89295d2c71f35afd"`
[INFO] running `"docker" "rm" "-f" "28bd61e4508210289490376b24813d71739126397c79508b89295d2c71f35afd"`
[INFO] [stdout] 28bd61e4508210289490376b24813d71739126397c79508b89295d2c71f35afd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coffee-cup/rust-calc:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 707b582647b7dd8ed748722d803a7c8ba2e9f7853d1fd572573f217e2032bb3a
[INFO] running `"docker" "start" "-a" "707b582647b7dd8ed748722d803a7c8ba2e9f7853d1fd572573f217e2032bb3a"`
[INFO] [stderr]    Compiling rust-calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 '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 1.13s
[INFO] running `"docker" "inspect" "707b582647b7dd8ed748722d803a7c8ba2e9f7853d1fd572573f217e2032bb3a"`
[INFO] running `"docker" "rm" "-f" "707b582647b7dd8ed748722d803a7c8ba2e9f7853d1fd572573f217e2032bb3a"`
[INFO] [stdout] 707b582647b7dd8ed748722d803a7c8ba2e9f7853d1fd572573f217e2032bb3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coffee-cup/rust-calc:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5cb609262eeae5a1e3b4406482a0d053577926be68ed6ddae198e13ed2f76aac
[INFO] running `"docker" "start" "-a" "5cb609262eeae5a1e3b4406482a0d053577926be68ed6ddae198e13ed2f76aac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calc-06afc385fe696cff
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test interpreter::tests::eval_literal ... ok
[INFO] [stdout] test interpreter::tests::eval_simple ... ok
[INFO] [stdout] test lexer::tests::lex_empty_parens ... ok
[INFO] [stdout] test parser::tests::parse_literal_expr ... ok
[INFO] [stdout] test parser::tests::parse_paren ... ok
[INFO] [stdout] test lexer::tests::lex_math_expression ... ok
[INFO] [stdout] test lexer::tests::lex_integer ... ok
[INFO] [stdout] test lexer::tests::lex_simple_tokens ... ok
[INFO] [stdout] test parser::tests::parse_addition_expr ... ok
[INFO] [stdout] test parser::tests::basic_precedence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5cb609262eeae5a1e3b4406482a0d053577926be68ed6ddae198e13ed2f76aac"`
[INFO] running `"docker" "rm" "-f" "5cb609262eeae5a1e3b4406482a0d053577926be68ed6ddae198e13ed2f76aac"`
[INFO] [stdout] 5cb609262eeae5a1e3b4406482a0d053577926be68ed6ddae198e13ed2f76aac