[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f7a0a77fa4b54bbabeaf09d7e6128dffd1aab0293b682ee003e441bdb5c2256b
[INFO] running `"docker" "start" "-a" "f7a0a77fa4b54bbabeaf09d7e6128dffd1aab0293b682ee003e441bdb5c2256b"`
[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 0.67s
[INFO] running `"docker" "inspect" "f7a0a77fa4b54bbabeaf09d7e6128dffd1aab0293b682ee003e441bdb5c2256b"`
[INFO] running `"docker" "rm" "-f" "f7a0a77fa4b54bbabeaf09d7e6128dffd1aab0293b682ee003e441bdb5c2256b"`
[INFO] [stdout] f7a0a77fa4b54bbabeaf09d7e6128dffd1aab0293b682ee003e441bdb5c2256b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac490dec86f1a2ad4b77e2f50a16bd3a575f70fa71c7a8e3f0cb2f8e90c2587c
[INFO] running `"docker" "start" "-a" "ac490dec86f1a2ad4b77e2f50a16bd3a575f70fa71c7a8e3f0cb2f8e90c2587c"`
[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 0.89s
[INFO] running `"docker" "inspect" "ac490dec86f1a2ad4b77e2f50a16bd3a575f70fa71c7a8e3f0cb2f8e90c2587c"`
[INFO] running `"docker" "rm" "-f" "ac490dec86f1a2ad4b77e2f50a16bd3a575f70fa71c7a8e3f0cb2f8e90c2587c"`
[INFO] [stdout] ac490dec86f1a2ad4b77e2f50a16bd3a575f70fa71c7a8e3f0cb2f8e90c2587c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c583464ac1303c15bf4ec28769ae0d5656ed4a233d24db7a4775c565c3808791
[INFO] running `"docker" "start" "-a" "c583464ac1303c15bf4ec28769ae0d5656ed4a233d24db7a4775c565c3808791"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calc-11caa1badca95067
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test parser::tests::parse_addition_expr ... ok
[INFO] [stdout] test parser::tests::basic_precedence ... ok
[INFO] [stdout] test lexer::tests::lex_math_expression ... ok
[INFO] [stdout] test lexer::tests::lex_integer ... ok
[INFO] [stdout] test interpreter::tests::eval_literal ... ok
[INFO] [stdout] test parser::tests::parse_literal_expr ... ok
[INFO] [stdout] test lexer::tests::lex_simple_tokens ... ok
[INFO] [stdout] test interpreter::tests::eval_simple ... ok
[INFO] [stdout] test lexer::tests::lex_empty_parens ... ok
[INFO] [stdout] test parser::tests::parse_paren ... 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" "c583464ac1303c15bf4ec28769ae0d5656ed4a233d24db7a4775c565c3808791"`
[INFO] running `"docker" "rm" "-f" "c583464ac1303c15bf4ec28769ae0d5656ed4a233d24db7a4775c565c3808791"`
[INFO] [stdout] c583464ac1303c15bf4ec28769ae0d5656ed4a233d24db7a4775c565c3808791