[INFO] updating cached repository LPGhatguy/shunting-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LPGhatguy/shunting-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LPGhatguy/shunting-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/LPGhatguy/shunting-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/LPGhatguy/shunting-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LPGhatguy/shunting-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/LPGhatguy/shunting-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/LPGhatguy/shunting-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 698a33d8cc6d8649ae7424106edbd6262d6c1d48
[INFO] sha for GitHub repo LPGhatguy/shunting-rust: 698a33d8cc6d8649ae7424106edbd6262d6c1d48
[INFO] validating manifest of LPGhatguy/shunting-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LPGhatguy/shunting-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LPGhatguy/shunting-rust
[INFO] finished frobbing LPGhatguy/shunting-rust
[INFO] frobbed toml for LPGhatguy/shunting-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/LPGhatguy/shunting-rust/Cargo.toml
[INFO] started frobbing LPGhatguy/shunting-rust
[INFO] finished frobbing LPGhatguy/shunting-rust
[INFO] frobbed toml for LPGhatguy/shunting-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/LPGhatguy/shunting-rust/Cargo.toml
[INFO] crate LPGhatguy/shunting-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking LPGhatguy/shunting-rust against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/LPGhatguy/shunting-rust:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bdebc247620b52812539eb548fa05275f88d37b4e5ba31ddce2b590c568d9836
[INFO] running `"docker" "start" "-a" "bdebc247620b52812539eb548fa05275f88d37b4e5ba31ddce2b590c568d9836"`
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking shunting-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lexer.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 |   /// Thanks to the `regex` crate, we can precompile all of our regular expressions
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 31 | / lazy_static! {
[INFO] [stderr] 32 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 33 | |     static ref PATTERN_CONSTANT: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stderr] 34 | |     static ref PATTERN_OPERATOR: Regex = Regex::new(r"^(\+|-|\*|/|\^)").unwrap();
[INFO] [stderr] 35 | |     static ref PATTERN_OPEN_PAREN: Regex = Regex::new(r"^\(").unwrap();
[INFO] [stderr] 36 | |     static ref PATTERN_CLOSE_PAREN: Regex = Regex::new(r"^\)").unwrap();
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lexer.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 |   /// Thanks to the `regex` crate, we can precompile all of our regular expressions
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 31 | / lazy_static! {
[INFO] [stderr] 32 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 33 | |     static ref PATTERN_CONSTANT: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stderr] 34 | |     static ref PATTERN_OPERATOR: Regex = Regex::new(r"^(\+|-|\*|/|\^)").unwrap();
[INFO] [stderr] 35 | |     static ref PATTERN_OPEN_PAREN: Regex = Regex::new(r"^\(").unwrap();
[INFO] [stderr] 36 | |     static ref PATTERN_CLOSE_PAREN: Regex = Regex::new(r"^\)").unwrap();
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "bdebc247620b52812539eb548fa05275f88d37b4e5ba31ddce2b590c568d9836"`
[INFO] running `"docker" "rm" "-f" "bdebc247620b52812539eb548fa05275f88d37b4e5ba31ddce2b590c568d9836"`
[INFO] [stdout] bdebc247620b52812539eb548fa05275f88d37b4e5ba31ddce2b590c568d9836