[INFO] updating cached repository https://github.com/andreaseg/flang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eb75950170142b5b0d0edbc3c34474388ac20e43
[INFO] checking andreaseg/flang against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreaseg%2Fflang" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreaseg/flang on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andreaseg/flang
[INFO] finished tweaking git repo https://github.com/andreaseg/flang
[INFO] tweaked toml for git repo https://github.com/andreaseg/flang written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/andreaseg/flang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd8d250aa29345a225414a140138a794d2dbbf3b035930d9a224e6c4e19702b4
[INFO] running `"docker" "start" "-a" "bd8d250aa29345a225414a140138a794d2dbbf3b035930d9a224e6c4e19702b4"`
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking flang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lang/scanner.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | /// Tokenization rules
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[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/lang/scanner.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | /// 
[INFO] [stderr]     | ^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | /// Format is
[INFO] [stderr]     | ^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | /// [TokenName][Optional Parameters] = [Regex rule] => [Formatting],
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | /// 
[INFO] [stderr]     | ^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | /// Rules are prioritized in order
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:146:10
[INFO] [stderr]     |
[INFO] [stderr] 146 |     Float(f64) = r"[[:digit:]]*\.[[:digit:]]+" => |x: &str| Float(x.parse::<f64>().unwrap()),
[INFO] [stderr]     |          ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 |     Int(i64) = r"[[:digit:]]+" => |x: &str| Int(x.parse::<i64>().unwrap()),
[INFO] [stderr]     |        ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     Char(i64) = r"'[[[:alpha:]]|\n]'" => |x: &str| Char(x[1..].chars().next().unwrap() as i64),
[INFO] [stderr]     |         ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     Call(String) = r"[[:alpha:]][[:word:]]*\(" => |x: &str| Call(x[..x.len()-1].to_string()),
[INFO] [stderr]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |     Builtin(String) = r"_[[:alpha:]][[:word:]]*\(" => |x: &str| Builtin(x[..x.len()-1].to_string()),
[INFO] [stderr]     |            ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |     Name(String) = r"[[:alpha:]][[:word:]]*" => |x: &str| Name(x.to_string()),
[INFO] [stderr]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lang/scanner.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | /// Tokenization rules
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[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/lang/scanner.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | /// 
[INFO] [stderr]     | ^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | /// Format is
[INFO] [stderr]     | ^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | /// [TokenName][Optional Parameters] = [Regex rule] => [Formatting],
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | /// 
[INFO] [stderr]     | ^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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/lang/scanner.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | /// Rules are prioritized in order
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[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: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:146:10
[INFO] [stderr]     |
[INFO] [stderr] 146 |     Float(f64) = r"[[:digit:]]*\.[[:digit:]]+" => |x: &str| Float(x.parse::<f64>().unwrap()),
[INFO] [stderr]     |          ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 |     Int(i64) = r"[[:digit:]]+" => |x: &str| Int(x.parse::<i64>().unwrap()),
[INFO] [stderr]     |        ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     Char(i64) = r"'[[[:alpha:]]|\n]'" => |x: &str| Char(x[1..].chars().next().unwrap() as i64),
[INFO] [stderr]     |         ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     Call(String) = r"[[:alpha:]][[:word:]]*\(" => |x: &str| Call(x[..x.len()-1].to_string()),
[INFO] [stderr]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |     Builtin(String) = r"_[[:alpha:]][[:word:]]*\(" => |x: &str| Builtin(x[..x.len()-1].to_string()),
[INFO] [stderr]     |            ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lang/scanner.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |     Name(String) = r"[[:alpha:]][[:word:]]*" => |x: &str| Name(x.to_string()),
[INFO] [stderr]     |         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `"docker" "inspect" "bd8d250aa29345a225414a140138a794d2dbbf3b035930d9a224e6c4e19702b4"`
[INFO] running `"docker" "rm" "-f" "bd8d250aa29345a225414a140138a794d2dbbf3b035930d9a224e6c4e19702b4"`
[INFO] [stdout] bd8d250aa29345a225414a140138a794d2dbbf3b035930d9a224e6c4e19702b4