[INFO] updating cached repository TuringDisciple/AnotherTBCompiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TuringDisciple/AnotherTBCompiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TuringDisciple/AnotherTBCompiler" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/TuringDisciple/AnotherTBCompiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/TuringDisciple/AnotherTBCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TuringDisciple/AnotherTBCompiler" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/TuringDisciple/AnotherTBCompiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/TuringDisciple/AnotherTBCompiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b82ba38750e5905cfffe437ed21471296201167a
[INFO] sha for GitHub repo TuringDisciple/AnotherTBCompiler: b82ba38750e5905cfffe437ed21471296201167a
[INFO] validating manifest of TuringDisciple/AnotherTBCompiler on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TuringDisciple/AnotherTBCompiler on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TuringDisciple/AnotherTBCompiler
[INFO] finished frobbing TuringDisciple/AnotherTBCompiler
[INFO] frobbed toml for TuringDisciple/AnotherTBCompiler written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/TuringDisciple/AnotherTBCompiler/Cargo.toml
[INFO] started frobbing TuringDisciple/AnotherTBCompiler
[INFO] finished frobbing TuringDisciple/AnotherTBCompiler
[INFO] frobbed toml for TuringDisciple/AnotherTBCompiler written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/TuringDisciple/AnotherTBCompiler/Cargo.toml
[INFO] crate TuringDisciple/AnotherTBCompiler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TuringDisciple/AnotherTBCompiler against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-4/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/TuringDisciple/AnotherTBCompiler:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 94ca43709ec8fb71873556cadb81b1bdc0ce23a84cef81ca72515a920f0e5ccc
[INFO] running `"docker" "start" "-a" "94ca43709ec8fb71873556cadb81b1bdc0ce23a84cef81ca72515a920f0e5ccc"`
[INFO] [stderr]     Checking tb-vm-compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `line_tag`
[INFO] [stderr]   --> src/parser.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut line_tag: Token;
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_line_tag`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StringToken`
[INFO] [stderr]  --> src/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type StringToken = Token;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ExprList`
[INFO] [stderr]  --> src/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type ExprList = Vec<Either<StringToken, Expr>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_tag`
[INFO] [stderr]   --> src/parser.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut line_tag: Token;
[INFO] [stderr]    |             ^^^^^^^^ help: consider prefixing with an underscore: `_line_tag`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StringToken`
[INFO] [stderr]  --> src/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type StringToken = Token;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ExprList`
[INFO] [stderr]  --> src/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | type ExprList = Vec<Either<StringToken, Expr>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "94ca43709ec8fb71873556cadb81b1bdc0ce23a84cef81ca72515a920f0e5ccc"`
[INFO] running `"docker" "rm" "-f" "94ca43709ec8fb71873556cadb81b1bdc0ce23a84cef81ca72515a920f0e5ccc"`
[INFO] [stdout] 94ca43709ec8fb71873556cadb81b1bdc0ce23a84cef81ca72515a920f0e5ccc