[INFO] cloning repository https://github.com/GitInVisualStudio/rust-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GitInVisualStudio/rust-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGitInVisualStudio%2Frust-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGitInVisualStudio%2Frust-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc8aa5b0983728780ff35625054f6bd12ca6ff46
[INFO] checking GitInVisualStudio/rust-c/bc8aa5b0983728780ff35625054f6bd12ca6ff46 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGitInVisualStudio%2Frust-c" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GitInVisualStudio/rust-c on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GitInVisualStudio/rust-c
[INFO] finished tweaking git repo https://github.com/GitInVisualStudio/rust-c
[INFO] tweaked toml for git repo https://github.com/GitInVisualStudio/rust-c written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GitInVisualStudio/rust-c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d97ca5a2542182db1ae11a8fed639b44e06dcf2718f44673623c2d9bcbf9181
[INFO] running `Command { std: "docker" "start" "-a" "4d97ca5a2542182db1ae11a8fed639b44e06dcf2718f44673623c2d9bcbf9181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d97ca5a2542182db1ae11a8fed639b44e06dcf2718f44673623c2d9bcbf9181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d97ca5a2542182db1ae11a8fed639b44e06dcf2718f44673623c2d9bcbf9181", kill_on_drop: false }`
[INFO] [stdout] 4d97ca5a2542182db1ae11a8fed639b44e06dcf2718f44673623c2d9bcbf9181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff624403638a193d477c1f80d291a1a24ee961f612269f37ee601e5e15f5344f
[INFO] running `Command { std: "docker" "start" "-a" "ff624403638a193d477c1f80d291a1a24ee961f612269f37ee601e5e15f5344f", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling derive-getters v0.3.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking rust-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     let result = gen.generate(program);
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     let result = gen.generate(program);
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]  --> src/lexer.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SrcLocation<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     pub(crate) src: &'a str,
[INFO] [stdout] 8 |     pub(crate) line: usize,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 9 |     pub(crate) column: usize,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SrcLocation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Lexer` should have a snake case name
[INFO] [stdout]   --> src/lexer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub mod Lexer {
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `lexer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]  --> src/lexer.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SrcLocation<'a> {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     pub(crate) src: &'a str,
[INFO] [stdout] 8 |     pub(crate) line: usize,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 9 |     pub(crate) column: usize,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SrcLocation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Lexer` should have a snake case name
[INFO] [stdout]   --> src/lexer.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub mod Lexer {
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `lexer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "ff624403638a193d477c1f80d291a1a24ee961f612269f37ee601e5e15f5344f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff624403638a193d477c1f80d291a1a24ee961f612269f37ee601e5e15f5344f", kill_on_drop: false }`
[INFO] [stdout] ff624403638a193d477c1f80d291a1a24ee961f612269f37ee601e5e15f5344f