[INFO] cloning repository https://github.com/jatin510/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jatin510/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin510%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin510%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce46403d099d1d437e7b4f653c961bc4ea0ccb85
[INFO] checking jatin510/rust-lox against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin510%2Frust-lox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jatin510/rust-lox
[INFO] finished tweaking git repo https://github.com/jatin510/rust-lox
[INFO] tweaked toml for git repo https://github.com/jatin510/rust-lox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jatin510/rust-lox on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jatin510/rust-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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d96a3be671e1244cc7408aa58718ded7871dac942c6199f881dfc0d839246b5
[INFO] running `Command { std: "docker" "start" "-a" "4d96a3be671e1244cc7408aa58718ded7871dac942c6199f881dfc0d839246b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d96a3be671e1244cc7408aa58718ded7871dac942c6199f881dfc0d839246b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d96a3be671e1244cc7408aa58718ded7871dac942c6199f881dfc0d839246b5", kill_on_drop: false }`
[INFO] [stdout] 4d96a3be671e1244cc7408aa58718ded7871dac942c6199f881dfc0d839246b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db4cfc1be9541c6c6e6eb5140367cd0c5dbf2d91aeca394e1275013e9df7d938
[INFO] running `Command { std: "docker" "start" "-a" "db4cfc1be9541c6c6e6eb5140367cd0c5dbf2d91aeca394e1275013e9df7d938", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking interpreter-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `peek` found for reference `&char` in the current scope
[INFO] [stdout]   --> src/main.rs:99:30
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 if char_peek.peek() == Some('/') {
[INFO] [stdout]    |                              ^^^^ method not found in `&char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `peek` found for reference `&char` in the current scope
[INFO] [stdout]   --> src/main.rs:99:30
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 if char_peek.peek() == Some('/') {
[INFO] [stdout]    |                              ^^^^ method not found in `&char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         CommandType::Tokenize => {
[INFO] [stdout]    |         --------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 50 |         _ => {
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         CommandType::Tokenize => {
[INFO] [stdout]    |         --------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 50 |         _ => {
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpreter-starter-rust` (bin "interpreter-starter-rust") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `interpreter-starter-rust` (bin "interpreter-starter-rust" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "db4cfc1be9541c6c6e6eb5140367cd0c5dbf2d91aeca394e1275013e9df7d938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4cfc1be9541c6c6e6eb5140367cd0c5dbf2d91aeca394e1275013e9df7d938", kill_on_drop: false }`
[INFO] [stdout] db4cfc1be9541c6c6e6eb5140367cd0c5dbf2d91aeca394e1275013e9df7d938