[INFO] cloning repository https://github.com/desai-aditya/rslox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/desai-aditya/rslox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesai-aditya%2Frslox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesai-aditya%2Frslox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05b81c67b240db8d975d10a65f1e5b0216cc01cb
[INFO] checking desai-aditya/rslox against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesai-aditya%2Frslox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/desai-aditya/rslox on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/desai-aditya/rslox
[INFO] finished tweaking git repo https://github.com/desai-aditya/rslox
[INFO] tweaked toml for git repo https://github.com/desai-aditya/rslox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/desai-aditya/rslox 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6652ca4dcfa9da1dea9e75840004786e3daf2ade337fcb4af7f7d86b40c97a4
[INFO] running `Command { std: "docker" "start" "-a" "b6652ca4dcfa9da1dea9e75840004786e3daf2ade337fcb4af7f7d86b40c97a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6652ca4dcfa9da1dea9e75840004786e3daf2ade337fcb4af7f7d86b40c97a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6652ca4dcfa9da1dea9e75840004786e3daf2ade337fcb4af7f7d86b40c97a4", kill_on_drop: false }`
[INFO] [stdout] b6652ca4dcfa9da1dea9e75840004786e3daf2ade337fcb4af7f7d86b40c97a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94960918758acde33812bae2d3f7192cefd1027a05d5074c8b27ac3c40c41707
[INFO] running `Command { std: "docker" "start" "-a" "94960918758acde33812bae2d3f7192cefd1027a05d5074c8b27ac3c40c41707", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking scanlex v0.1.4
[INFO] [stderr]     Checking rslox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]  --> src/lox/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Token<'src> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     line: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lox/scanner.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn scan_tokens(&mut self) -> Result<Vec<Token>, (usize, String)> {
[INFO] [stdout]    |                        ^^^^^^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn scan_tokens(&mut self) -> Result<Vec<Token<'_>>, (usize, String)> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]  --> src/lox/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Token<'src> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     line: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lox/scanner.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn scan_tokens(&mut self) -> Result<Vec<Token>, (usize, String)> {
[INFO] [stdout]    |                        ^^^^^^^^^                ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn scan_tokens(&mut self) -> Result<Vec<Token<'_>>, (usize, String)> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "94960918758acde33812bae2d3f7192cefd1027a05d5074c8b27ac3c40c41707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94960918758acde33812bae2d3f7192cefd1027a05d5074c8b27ac3c40c41707", kill_on_drop: false }`
[INFO] [stdout] 94960918758acde33812bae2d3f7192cefd1027a05d5074c8b27ac3c40c41707