[INFO] cloning repository https://github.com/darricheng/rusty-write-interpreter-in-go
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darricheng/rusty-write-interpreter-in-go" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarricheng%2Frusty-write-interpreter-in-go", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarricheng%2Frusty-write-interpreter-in-go'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f78e6e3c7666ed0b6faae12efd24e876dc181059
[INFO] testing darricheng/rusty-write-interpreter-in-go against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarricheng%2Frusty-write-interpreter-in-go" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/darricheng/rusty-write-interpreter-in-go
[INFO] finished tweaking git repo https://github.com/darricheng/rusty-write-interpreter-in-go
[INFO] tweaked toml for git repo https://github.com/darricheng/rusty-write-interpreter-in-go written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darricheng/rusty-write-interpreter-in-go on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/darricheng/rusty-write-interpreter-in-go 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 135aff682612d84fdf21479e39192da5020ba21539dc74bdb33e3e982b133bfd
[INFO] running `Command { std: "docker" "start" "-a" "135aff682612d84fdf21479e39192da5020ba21539dc74bdb33e3e982b133bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135aff682612d84fdf21479e39192da5020ba21539dc74bdb33e3e982b133bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135aff682612d84fdf21479e39192da5020ba21539dc74bdb33e3e982b133bfd", kill_on_drop: false }`
[INFO] [stdout] 135aff682612d84fdf21479e39192da5020ba21539dc74bdb33e3e982b133bfd
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd446cff59792efbae5d7352ce2927c08dd6039ab3e2c95f9ddbcabca03b81fa
[INFO] running `Command { std: "docker" "start" "-a" "bd446cff59792efbae5d7352ce2927c08dd6039ab3e2c95f9ddbcabca03b81fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `CallExpression` is never constructed
[INFO] [stdout]    --> src/ast.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub enum Expression {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 110 |     CallExpression(CallExpressionStruct),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/ast.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub struct BooleanStruct {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 242 |     token: Token,
[INFO] [stdout] 243 |     pub value: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BooleanStruct` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl CallExpressionStruct {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 349 |     fn new(token: Token, function: Expression, arguments: Vec<Expression>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CALL` is never used
[INFO] [stdout]   --> src/parser.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const CALL: i32 = 7; // my_function(X)
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "bd446cff59792efbae5d7352ce2927c08dd6039ab3e2c95f9ddbcabca03b81fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd446cff59792efbae5d7352ce2927c08dd6039ab3e2c95f9ddbcabca03b81fa", kill_on_drop: false }`
[INFO] [stdout] bd446cff59792efbae5d7352ce2927c08dd6039ab3e2c95f9ddbcabca03b81fa
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc969fa1799a45e175e08621228faaa3b3e5d0bc1e543cbd07628ffa802ded58
[INFO] running `Command { std: "docker" "start" "-a" "cc969fa1799a45e175e08621228faaa3b3e5d0bc1e543cbd07628ffa802ded58", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `CallExpression` is never constructed
[INFO] [stdout]    --> src/ast.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub enum Expression {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 110 |     CallExpression(CallExpressionStruct),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ast.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl CallExpressionStruct {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] 349 |     fn new(token: Token, function: Expression, arguments: Vec<Expression>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CALL` is never used
[INFO] [stdout]   --> src/parser.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const CALL: i32 = 7; // my_function(X)
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "cc969fa1799a45e175e08621228faaa3b3e5d0bc1e543cbd07628ffa802ded58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc969fa1799a45e175e08621228faaa3b3e5d0bc1e543cbd07628ffa802ded58", kill_on_drop: false }`
[INFO] [stdout] cc969fa1799a45e175e08621228faaa3b3e5d0bc1e543cbd07628ffa802ded58
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f09fbfc204e5ccf6a3cea7567efe4b41e3062fd20321423aa4c6d7b70364bda
[INFO] running `Command { std: "docker" "start" "-a" "6f09fbfc204e5ccf6a3cea7567efe4b41e3062fd20321423aa4c6d7b70364bda", kill_on_drop: false }`
[INFO] [stderr] warning: variant `CallExpression` is never constructed
[INFO] [stderr]    --> src/ast.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub enum Expression {
[INFO] [stderr]     |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 110 |     CallExpression(CallExpressionStruct),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Expression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/ast.rs:349:8
[INFO] [stderr]     |
[INFO] [stderr] 348 | impl CallExpressionStruct {
[INFO] [stderr]     | ------------------------- associated function in this implementation
[INFO] [stderr] 349 |     fn new(token: Token, function: Expression, arguments: Vec<Expression>) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CALL` is never used
[INFO] [stderr]   --> src/parser.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 | const CALL: i32 = 7; // my_function(X)
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-monkey` (bin "rusty-monkey" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_monkey-177395e092a1b4ba)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test ast::tests::test_string ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_boolean_expression ... ok
[INFO] [stdout] test parser::tests::test_call_expression_parsing ... ok
[INFO] [stdout] test parser::tests::test_call_expression_parameter_parsing ... ok
[INFO] [stdout] test parser::tests::test_function_literal_parsing ... ok
[INFO] [stdout] test parser::tests::test_function_parameter_parsing ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... ok
[INFO] [stdout] test parser::tests::test_parsing_infix_expressions ... ok
[INFO] [stdout] test parser::tests::test_parsing_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_return_statements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f09fbfc204e5ccf6a3cea7567efe4b41e3062fd20321423aa4c6d7b70364bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f09fbfc204e5ccf6a3cea7567efe4b41e3062fd20321423aa4c6d7b70364bda", kill_on_drop: false }`
[INFO] [stdout] 6f09fbfc204e5ccf6a3cea7567efe4b41e3062fd20321423aa4c6d7b70364bda