[INFO] updating cached repository zanchi/lexer-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zanchi/lexer-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zanchi/lexer-rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zanchi/lexer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zanchi/lexer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zanchi/lexer-rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zanchi/lexer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zanchi/lexer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97b6d1aab00db026b0ca0bc23858b3de734fdca6
[INFO] sha for GitHub repo zanchi/lexer-rs: 97b6d1aab00db026b0ca0bc23858b3de734fdca6
[INFO] validating manifest of zanchi/lexer-rs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zanchi/lexer-rs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zanchi/lexer-rs
[INFO] finished frobbing zanchi/lexer-rs
[INFO] frobbed toml for zanchi/lexer-rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zanchi/lexer-rs/Cargo.toml
[INFO] started frobbing zanchi/lexer-rs
[INFO] finished frobbing zanchi/lexer-rs
[INFO] frobbed toml for zanchi/lexer-rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/zanchi/lexer-rs/Cargo.toml
[INFO] crate zanchi/lexer-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zanchi/lexer-rs against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/zanchi/lexer-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b5dd78576c0462c4a308139471b1643a0eab6858e28f0de3b855b1d33d51973
[INFO] running `"docker" "start" "-a" "1b5dd78576c0462c4a308139471b1643a0eab6858e28f0de3b855b1d33d51973"`
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking parser-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]  --> src/main.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   Add,
[INFO] [stderr]   |   ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]  --> src/main.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   Divide,
[INFO] [stderr]   |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]  --> src/main.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   Multiply,
[INFO] [stderr]   |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/main.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   Subtract,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParen`
[INFO] [stderr]   --> src/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   LeftParen,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/main.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Number(i32),
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Operator`
[INFO] [stderr]   --> src/main.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   Operator(Op),
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParen`
[INFO] [stderr]   --> src/main.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   RightParen,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lexer`
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn lexer(input: &String) -> Result<Vec<Token>, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "1b5dd78576c0462c4a308139471b1643a0eab6858e28f0de3b855b1d33d51973"`
[INFO] running `"docker" "rm" "-f" "1b5dd78576c0462c4a308139471b1643a0eab6858e28f0de3b855b1d33d51973"`
[INFO] [stdout] 1b5dd78576c0462c4a308139471b1643a0eab6858e28f0de3b855b1d33d51973