[INFO] updating cached repository clarkezone/simple_c_compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/clarkezone/simple_c_compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/clarkezone/simple_c_compiler" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/clarkezone/simple_c_compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/clarkezone/simple_c_compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/clarkezone/simple_c_compiler" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/clarkezone/simple_c_compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/clarkezone/simple_c_compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac9db8f0fcfcef7153b9b0aa01d2dec72f59e1b3
[INFO] sha for GitHub repo clarkezone/simple_c_compiler: ac9db8f0fcfcef7153b9b0aa01d2dec72f59e1b3
[INFO] validating manifest of clarkezone/simple_c_compiler on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of clarkezone/simple_c_compiler on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing clarkezone/simple_c_compiler
[INFO] finished frobbing clarkezone/simple_c_compiler
[INFO] frobbed toml for clarkezone/simple_c_compiler written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/clarkezone/simple_c_compiler/Cargo.toml
[INFO] started frobbing clarkezone/simple_c_compiler
[INFO] finished frobbing clarkezone/simple_c_compiler
[INFO] frobbed toml for clarkezone/simple_c_compiler written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/clarkezone/simple_c_compiler/Cargo.toml
[INFO] crate clarkezone/simple_c_compiler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking clarkezone/simple_c_compiler against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/clarkezone/simple_c_compiler:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb0778b97875421a6cfe9ab783792defed79e8c6309d45acc37847cf0636aa86
[INFO] running `"docker" "start" "-a" "cb0778b97875421a6cfe9ab783792defed79e8c6309d45acc37847cf0636aa86"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking simple_c_compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]    --> src/lexer.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |         use std::fs;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/ast.rs:65:60
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Function)));
[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 function argument
[INFO] [stderr]    --> src/ast.rs:116:60
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Statement)));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/ast.rs:136:60
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Expression)));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]    --> src/ast.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         use std::fs;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexer::*`
[INFO] [stderr]   --> src/codegen.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         use lexer::*;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/codegen.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         use std::fs;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::*`
[INFO] [stderr]   --> src/codegen.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         use ast::*;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/codegen.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         use std::path::Path;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/ast.rs:65:60
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Function)));
[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 function argument
[INFO] [stderr]    --> src/ast.rs:116:60
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Statement)));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/ast.rs:136:60
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Expression)));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/codegen.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         use std::fs;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `"docker" "inspect" "cb0778b97875421a6cfe9ab783792defed79e8c6309d45acc37847cf0636aa86"`
[INFO] running `"docker" "rm" "-f" "cb0778b97875421a6cfe9ab783792defed79e8c6309d45acc37847cf0636aa86"`
[INFO] [stdout] cb0778b97875421a6cfe9ab783792defed79e8c6309d45acc37847cf0636aa86