[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] building 2018kguo/codecrafters-interpreter-rust against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2018kguo%2Fcodecrafters-interpreter-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2018kguo/codecrafters-interpreter-rust on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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-5-tc2/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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9d7b13cba20cd317eb6fe17e5c0e4696ed4eb91dc8772b3fe2e3c4cfd659af
[INFO] running `Command { std: "docker" "start" "-a" "4b9d7b13cba20cd317eb6fe17e5c0e4696ed4eb91dc8772b3fe2e3c4cfd659af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9d7b13cba20cd317eb6fe17e5c0e4696ed4eb91dc8772b3fe2e3c4cfd659af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9d7b13cba20cd317eb6fe17e5c0e4696ed4eb91dc8772b3fe2e3c4cfd659af", kill_on_drop: false }`
[INFO] [stdout] 4b9d7b13cba20cd317eb6fe17e5c0e4696ed4eb91dc8772b3fe2e3c4cfd659af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8817a0a668fb9f5543a4581975140b6857f255692166a942ac7d7762faa6ff94
[INFO] running `Command { std: "docker" "start" "-a" "8817a0a668fb9f5543a4581975140b6857f255692166a942ac7d7762faa6ff94", 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]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "8817a0a668fb9f5543a4581975140b6857f255692166a942ac7d7762faa6ff94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8817a0a668fb9f5543a4581975140b6857f255692166a942ac7d7762faa6ff94", kill_on_drop: false }`
[INFO] [stdout] 8817a0a668fb9f5543a4581975140b6857f255692166a942ac7d7762faa6ff94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8ecd0c492f06f60c234c3d943f5921dd03fa6cf096af199f20d14001a27b361
[INFO] running `Command { std: "docker" "start" "-a" "b8ecd0c492f06f60c234c3d943f5921dd03fa6cf096af199f20d14001a27b361", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "b8ecd0c492f06f60c234c3d943f5921dd03fa6cf096af199f20d14001a27b361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ecd0c492f06f60c234c3d943f5921dd03fa6cf096af199f20d14001a27b361", kill_on_drop: false }`
[INFO] [stdout] b8ecd0c492f06f60c234c3d943f5921dd03fa6cf096af199f20d14001a27b361
