[INFO] cloning repository https://github.com/triKUMA/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triKUMA/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31943d0887ff845363dc6ca9d8df045cd3c3d6c7
[INFO] checking triKUMA/lox against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triKUMA/lox on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/triKUMA/lox
[INFO] finished tweaking git repo https://github.com/triKUMA/lox
[INFO] tweaked toml for git repo https://github.com/triKUMA/lox written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/triKUMA/lox 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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14842a3163711890d8ebb9d6490361783811170f0880361119ae8838b5f99f08
[INFO] running `Command { std: "docker" "start" "-a" "14842a3163711890d8ebb9d6490361783811170f0880361119ae8838b5f99f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14842a3163711890d8ebb9d6490361783811170f0880361119ae8838b5f99f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14842a3163711890d8ebb9d6490361783811170f0880361119ae8838b5f99f08", kill_on_drop: false }`
[INFO] [stdout] 14842a3163711890d8ebb9d6490361783811170f0880361119ae8838b5f99f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 890bbaf8e071b99bf30b005932bdbceb44b6b358d1cd67186039d411c8712852
[INFO] running `Command { std: "docker" "start" "-a" "890bbaf8e071b99bf30b005932bdbceb44b6b358d1cd67186039d411c8712852", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `scanner`
[INFO] [stdout]   --> src/lox.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let scanner = Scanner::new(&mut self.error_reporter, src);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_tokens` is never used
[INFO] [stdout]    --> src/./scanner.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl<'a> Scanner<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn display_tokens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read
[INFO] [stdout]    --> src/./scanner.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub struct Token<'a> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 293 |     pub token_type: TokenType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 294 |     pub lexeme: &'a str,
[INFO] [stdout] 295 |     pub value: TokenValue<'a>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 296 |     pub line: usize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scanner`
[INFO] [stdout]   --> src/lox.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let scanner = Scanner::new(&mut self.error_reporter, src);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_tokens` is never used
[INFO] [stdout]    --> src/./scanner.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl<'a> Scanner<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn display_tokens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read
[INFO] [stdout]    --> src/./scanner.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub struct Token<'a> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 293 |     pub token_type: TokenType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 294 |     pub lexeme: &'a str,
[INFO] [stdout] 295 |     pub value: TokenValue<'a>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 296 |     pub line: usize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "890bbaf8e071b99bf30b005932bdbceb44b6b358d1cd67186039d411c8712852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890bbaf8e071b99bf30b005932bdbceb44b6b358d1cd67186039d411c8712852", kill_on_drop: false }`
[INFO] [stdout] 890bbaf8e071b99bf30b005932bdbceb44b6b358d1cd67186039d411c8712852