[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] checking darricheng/rusty-write-interpreter-in-go against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarricheng%2Frusty-write-interpreter-in-go" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darricheng/rusty-write-interpreter-in-go on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "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" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a58397bac5a17af61ed4d0b6435711ee1d94d3b6c77af17fa153a7cc469648d
[INFO] running `Command { std: "docker" "start" "-a" "5a58397bac5a17af61ed4d0b6435711ee1d94d3b6c77af17fa153a7cc469648d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a58397bac5a17af61ed4d0b6435711ee1d94d3b6c77af17fa153a7cc469648d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a58397bac5a17af61ed4d0b6435711ee1d94d3b6c77af17fa153a7cc469648d", kill_on_drop: false }`
[INFO] [stdout] 5a58397bac5a17af61ed4d0b6435711ee1d94d3b6c77af17fa153a7cc469648d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 684d9fba6eb7a71f564cdbd175233b9d4153837c071c27cdad7724fe4ed6b295
[INFO] running `Command { std: "docker" "start" "-a" "684d9fba6eb7a71f564cdbd175233b9d4153837c071c27cdad7724fe4ed6b295", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "684d9fba6eb7a71f564cdbd175233b9d4153837c071c27cdad7724fe4ed6b295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684d9fba6eb7a71f564cdbd175233b9d4153837c071c27cdad7724fe4ed6b295", kill_on_drop: false }`
[INFO] [stdout] 684d9fba6eb7a71f564cdbd175233b9d4153837c071c27cdad7724fe4ed6b295
