[INFO] cloning repository clarkezone/simple_c_compiler
[INFO] running `"git" "clone" "--bare" "git://github.com/clarkezone/simple_c_compiler.git" "work/cache/sources/gh/clarkezone/simple_c_compiler"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/clarkezone/simple_c_compiler'...
[INFO] running `"git" "clone" "work/cache/sources/gh/clarkezone/simple_c_compiler" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/clarkezone/simple_c_compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/clarkezone/simple_c_compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/clarkezone/simple_c_compiler" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/clarkezone/simple_c_compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/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#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of clarkezone/simple_c_compiler on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-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-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/clarkezone/simple_c_compiler/Cargo.toml
[INFO] crate clarkezone/simple_c_compiler has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking clarkezone/simple_c_compiler against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/clarkezone/simple_c_compiler:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2db14aa83436713e1681f8098ff5ac14b74b60fe472c0cd2c3b684e67a5f7b5b
[INFO] running `"docker" "start" "-a" "2db14aa83436713e1681f8098ff5ac14b74b60fe472c0cd2c3b684e67a5f7b5b"`
[INFO] [stderr]     Checking simple_c_compiler v0.1.0 (/opt/crater/workdir)
[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] 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]    |
[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 0.99s
[INFO] running `"docker" "inspect" "2db14aa83436713e1681f8098ff5ac14b74b60fe472c0cd2c3b684e67a5f7b5b"`
[INFO] running `"docker" "rm" "-f" "2db14aa83436713e1681f8098ff5ac14b74b60fe472c0cd2c3b684e67a5f7b5b"`
[INFO] [stdout] 2db14aa83436713e1681f8098ff5ac14b74b60fe472c0cd2c3b684e67a5f7b5b