[INFO] cloning repository https://github.com/clarkezone/simple_c_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clarkezone/simple_c_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclarkezone%2Fsimple_c_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclarkezone%2Fsimple_c_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac9db8f0fcfcef7153b9b0aa01d2dec72f59e1b3
[INFO] documenting clarkezone/simple_c_compiler against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclarkezone%2Fsimple_c_compiler" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clarkezone/simple_c_compiler on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clarkezone/simple_c_compiler
[INFO] finished tweaking git repo https://github.com/clarkezone/simple_c_compiler
[INFO] tweaked toml for git repo https://github.com/clarkezone/simple_c_compiler written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/clarkezone/simple_c_compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca40e853a685f55396ba010cdd4140a875d5e5afd2e7e9a6d3f5612495290965
[INFO] running `Command { std: "docker" "start" "-a" "ca40e853a685f55396ba010cdd4140a875d5e5afd2e7e9a6d3f5612495290965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca40e853a685f55396ba010cdd4140a875d5e5afd2e7e9a6d3f5612495290965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca40e853a685f55396ba010cdd4140a875d5e5afd2e7e9a6d3f5612495290965", kill_on_drop: false }`
[INFO] [stdout] ca40e853a685f55396ba010cdd4140a875d5e5afd2e7e9a6d3f5612495290965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2b09436e31a3d59ef3c43182327055374d65ed2436f97ec14eb598a12fecf2
[INFO] running `Command { std: "docker" "start" "-a" "ef2b09436e31a3d59ef3c43182327055374d65ed2436f97ec14eb598a12fecf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]  Documenting simple_c_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/ast.rs:65:60
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Function)));
[INFO] [stdout]    |                                                            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Function)));
[INFO] [stdout] 65 +                 let mut boxed_node = Box::new(AstNode::new(AstNodeType::Function));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/ast.rs:116:60
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Statement)));
[INFO] [stdout]     |                                                            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Statement)));
[INFO] [stdout] 116 +                 let mut boxed_node = Box::new(AstNode::new(AstNodeType::Statement));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/ast.rs:136:60
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Expression)));
[INFO] [stdout]     |                                                            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -                 let mut boxed_node = Box::new(AstNode::new((AstNodeType::Expression)));
[INFO] [stdout] 136 +                 let mut boxed_node = Box::new(AstNode::new(AstNodeType::Expression));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "ef2b09436e31a3d59ef3c43182327055374d65ed2436f97ec14eb598a12fecf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2b09436e31a3d59ef3c43182327055374d65ed2436f97ec14eb598a12fecf2", kill_on_drop: false }`
[INFO] [stdout] ef2b09436e31a3d59ef3c43182327055374d65ed2436f97ec14eb598a12fecf2