[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] testing 2018kguo/codecrafters-interpreter-rust against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2018kguo%2Fcodecrafters-interpreter-rust" "/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/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2018kguo/codecrafters-interpreter-rust on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db0c391c267749cdacc8ceacd9a6f0dd3346167d099cf9e8d3afcfc99d3529d9
[INFO] running `Command { std: "docker" "start" "-a" "db0c391c267749cdacc8ceacd9a6f0dd3346167d099cf9e8d3afcfc99d3529d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db0c391c267749cdacc8ceacd9a6f0dd3346167d099cf9e8d3afcfc99d3529d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0c391c267749cdacc8ceacd9a6f0dd3346167d099cf9e8d3afcfc99d3529d9", kill_on_drop: false }`
[INFO] [stdout] db0c391c267749cdacc8ceacd9a6f0dd3346167d099cf9e8d3afcfc99d3529d9
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ddb471cb236c8bb852d616ade3186104f868edb1af4c43a0ca6cd6ce9481cc
[INFO] running `Command { std: "docker" "start" "-a" "57ddb471cb236c8bb852d616ade3186104f868edb1af4c43a0ca6cd6ce9481cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling bytes v1.3.0
[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] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/scanner.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]     |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 235 |     pub func_ptr: LoxFuncPtr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.63s
[INFO] running `Command { std: "docker" "inspect" "57ddb471cb236c8bb852d616ade3186104f868edb1af4c43a0ca6cd6ce9481cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ddb471cb236c8bb852d616ade3186104f868edb1af4c43a0ca6cd6ce9481cc", kill_on_drop: false }`
[INFO] [stdout] 57ddb471cb236c8bb852d616ade3186104f868edb1af4c43a0ca6cd6ce9481cc
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0860952a0c20a09487aad590a34f62f170c6f21e0ce660c5139092c12ac17b8
[INFO] running `Command { std: "docker" "start" "-a" "e0860952a0c20a09487aad590a34f62f170c6f21e0ce660c5139092c12ac17b8", 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] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/scanner.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]     |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 235 |     pub func_ptr: LoxFuncPtr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "e0860952a0c20a09487aad590a34f62f170c6f21e0ce660c5139092c12ac17b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0860952a0c20a09487aad590a34f62f170c6f21e0ce660c5139092c12ac17b8", kill_on_drop: false }`
[INFO] [stdout] e0860952a0c20a09487aad590a34f62f170c6f21e0ce660c5139092c12ac17b8
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73e76357ef27a674d08b080299ca6c2098a991b6d90d4b42fc4c2a2c06a50f17
[INFO] running `Command { std: "docker" "start" "-a" "73e76357ef27a674d08b080299ca6c2098a991b6d90d4b42fc4c2a2c06a50f17", kill_on_drop: false }`
[INFO] [stderr] warning: field `keyword` is never read
[INFO] [stderr]   --> src/ast.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub struct ReturnStmt {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 99 |     pub keyword: Token,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ReturnStmt` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `debug_print` is never used
[INFO] [stderr]    --> src/environment.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 23  | impl EnvironmentContext {
[INFO] [stderr]     | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 110 |     pub fn debug_print(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]    --> src/scanner.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 231 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stderr]     |                        --------- in this derive macro expansion
[INFO] [stderr] ...
[INFO] [stderr] 235 |     pub func_ptr: LoxFuncPtr,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the address of the same function can vary between different codegen units
[INFO] [stderr]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `interpreter-starter-rust` (bin "interpreter-starter-rust" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/interpreter_starter_rust-2df08807f82406da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ast::tests::test_ast_printer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73e76357ef27a674d08b080299ca6c2098a991b6d90d4b42fc4c2a2c06a50f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e76357ef27a674d08b080299ca6c2098a991b6d90d4b42fc4c2a2c06a50f17", kill_on_drop: false }`
[INFO] [stdout] 73e76357ef27a674d08b080299ca6c2098a991b6d90d4b42fc4c2a2c06a50f17
