[INFO] updating cached repository Pamplemousse/mathematical_expression_evaluation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Pamplemousse/mathematical_expression_evaluation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Pamplemousse/mathematical_expression_evaluation" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/Pamplemousse/mathematical_expression_evaluation"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/Pamplemousse/mathematical_expression_evaluation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Pamplemousse/mathematical_expression_evaluation" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/Pamplemousse/mathematical_expression_evaluation"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/Pamplemousse/mathematical_expression_evaluation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d245ccaa3c9a29ef822865c96f5078c164e0c3b1
[INFO] sha for GitHub repo Pamplemousse/mathematical_expression_evaluation: d245ccaa3c9a29ef822865c96f5078c164e0c3b1
[INFO] validating manifest of Pamplemousse/mathematical_expression_evaluation on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Pamplemousse/mathematical_expression_evaluation on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] finished frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] frobbed toml for Pamplemousse/mathematical_expression_evaluation written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/Pamplemousse/mathematical_expression_evaluation/Cargo.toml
[INFO] started frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] finished frobbing Pamplemousse/mathematical_expression_evaluation
[INFO] frobbed toml for Pamplemousse/mathematical_expression_evaluation written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/Pamplemousse/mathematical_expression_evaluation/Cargo.toml
[INFO] crate Pamplemousse/mathematical_expression_evaluation has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Pamplemousse/mathematical_expression_evaluation against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-2/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/Pamplemousse/mathematical_expression_evaluation:/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=forbid" "-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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c3bfd1e2c10b031e0c5a5c8cf4ad96c58276052abe162e53aed1af27ca95b64d
[INFO] running `"docker" "start" "-a" "c3bfd1e2c10b031e0c5a5c8cf4ad96c58276052abe162e53aed1af27ca95b64d"`
[INFO] [stderr]     Checking math_eval v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::literal::digit::Digit`
[INFO] [stderr]  --> src/tokenizer/token/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::literal::digit::Digit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::token::operator::Operator`
[INFO] [stderr]  --> src/tokenizer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::token::operator::Operator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::literal::digit::Digit`
[INFO] [stderr]  --> src/tokenizer/token/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use self::literal::digit::Digit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::token::operator::Operator`
[INFO] [stderr]  --> src/tokenizer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::token::operator::Operator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/tokenizer/token/literal/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn from(string: String) -> Literal {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "c3bfd1e2c10b031e0c5a5c8cf4ad96c58276052abe162e53aed1af27ca95b64d"`
[INFO] running `"docker" "rm" "-f" "c3bfd1e2c10b031e0c5a5c8cf4ad96c58276052abe162e53aed1af27ca95b64d"`
[INFO] [stdout] c3bfd1e2c10b031e0c5a5c8cf4ad96c58276052abe162e53aed1af27ca95b64d