[INFO] cloning repository https://github.com/2018kguo/codecrafters-interpreter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2018kguo/codecrafters-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2018kguo%2Fcodecrafters-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2018kguo%2Fcodecrafters-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98d9b9591dc78ce8bc3c165686c3aa8bbe58f4df
[INFO] checking 2018kguo/codecrafters-interpreter-rust against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2018kguo%2Fcodecrafters-interpreter-rust" "/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/2018kguo/codecrafters-interpreter-rust on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2018kguo/codecrafters-interpreter-rust
[INFO] finished tweaking git repo https://github.com/2018kguo/codecrafters-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/2018kguo/codecrafters-interpreter-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/2018kguo/codecrafters-interpreter-rust 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.48
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ebde07b06502684638a12847be2aad9e5929e4ad5db7333973d5d03225f9778
[INFO] running `Command { std: "docker" "start" "-a" "6ebde07b06502684638a12847be2aad9e5929e4ad5db7333973d5d03225f9778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ebde07b06502684638a12847be2aad9e5929e4ad5db7333973d5d03225f9778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebde07b06502684638a12847be2aad9e5929e4ad5db7333973d5d03225f9778", kill_on_drop: false }`
[INFO] [stdout] 6ebde07b06502684638a12847be2aad9e5929e4ad5db7333973d5d03225f9778
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a19e28262c6b4a012f1d1c3d14f55a6f26a58d2c5464ccaa06146595d0bab6f
[INFO] running `Command { std: "docker" "start" "-a" "2a19e28262c6b4a012f1d1c3d14f55a6f26a58d2c5464ccaa06146595d0bab6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking bytes v1.3.0
[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] warning: field `keyword` is never read
[INFO] [stdout]   --> src/ast.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct ReturnStmt {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 99 |     pub keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReturnStmt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/environment.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl EnvironmentContext {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn debug_print(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> src/ast.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct ReturnStmt {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 99 |     pub keyword: Token,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReturnStmt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/environment.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl EnvironmentContext {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn debug_print(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "2a19e28262c6b4a012f1d1c3d14f55a6f26a58d2c5464ccaa06146595d0bab6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a19e28262c6b4a012f1d1c3d14f55a6f26a58d2c5464ccaa06146595d0bab6f", kill_on_drop: false }`
[INFO] [stdout] 2a19e28262c6b4a012f1d1c3d14f55a6f26a58d2c5464ccaa06146595d0bab6f
