[INFO] cloning repository https://github.com/saeschdivara/Rust-Hunter-Language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saeschdivara/Rust-Hunter-Language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaeschdivara%2FRust-Hunter-Language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaeschdivara%2FRust-Hunter-Language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94b012eff5056d01f272c06ad214db54ce7054ae
[INFO] checking saeschdivara/Rust-Hunter-Language against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaeschdivara%2FRust-Hunter-Language" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saeschdivara/Rust-Hunter-Language on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saeschdivara/Rust-Hunter-Language
[INFO] finished tweaking git repo https://github.com/saeschdivara/Rust-Hunter-Language
[INFO] tweaked toml for git repo https://github.com/saeschdivara/Rust-Hunter-Language written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saeschdivara/Rust-Hunter-Language 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e79e21a3099d3f9885672e460519f6a605355edb8a1a647764868ca248cf23
[INFO] running `Command { std: "docker" "start" "-a" "c2e79e21a3099d3f9885672e460519f6a605355edb8a1a647764868ca248cf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e79e21a3099d3f9885672e460519f6a605355edb8a1a647764868ca248cf23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e79e21a3099d3f9885672e460519f6a605355edb8a1a647764868ca248cf23", kill_on_drop: false }`
[INFO] [stdout] c2e79e21a3099d3f9885672e460519f6a605355edb8a1a647764868ca248cf23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5573cfcb37ef37d02f6108da76a0ce6b7d1c23cdc0fb8f044b8ee8a9c89de3
[INFO] running `Command { std: "docker" "start" "-a" "4c5573cfcb37ef37d02f6108da76a0ce6b7d1c23cdc0fb8f044b8ee8a9c89de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rust_hunter_language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_token` is never read
[INFO] [stdout]    --> src/parser.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 next_token = self.advance();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_token` is never read
[INFO] [stdout]    --> src/parser.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 next_token = self.advance();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn accept_empty(&self, expr: &EmptyExpr) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn accept_const(&self, expr: &ConstExpr) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn accept_func(&self, expr: &FunctionExpr) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn accept_empty(&self, expr: &EmptyExpr) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn accept_print(&self, expr: &PrintExpr) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn accept_const(&self, expr: &ConstExpr) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn accept_string(&self, expr: &StringExpr) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn accept_int(&self, expr: &IntExpr) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn accept_func(&self, expr: &FunctionExpr) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn accept_variable(&self, expr: &VariableExpr) {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn accept_print(&self, expr: &PrintExpr) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn accept_string(&self, expr: &StringExpr) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn accept_int(&self, expr: &IntExpr) {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/runtime.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn accept_variable(&self, expr: &VariableExpr) {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `look_back` is never used
[INFO] [stdout]    --> src/scanner.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Scanner {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     fn look_back(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `functions` is never read
[INFO] [stdout]   --> src/runtime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct InterpreterRuntime {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 13 |     functions: HashMap<String, FunctionExpr>
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `return_type` is never read
[INFO] [stdout]   --> src/expressions.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct FunctionExpr {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 15 |     pub name: String,
[INFO] [stdout] 16 |     pub return_type: Box<dyn Expression>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `look_back` is never used
[INFO] [stdout]    --> src/scanner.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Scanner {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     fn look_back(&mut self) -> char {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `functions` is never read
[INFO] [stdout]   --> src/runtime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct InterpreterRuntime {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 13 |     functions: HashMap<String, FunctionExpr>
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `return_type` is never read
[INFO] [stdout]   --> src/expressions.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct FunctionExpr {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 15 |     pub name: String,
[INFO] [stdout] 16 |     pub return_type: Box<dyn Expression>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "4c5573cfcb37ef37d02f6108da76a0ce6b7d1c23cdc0fb8f044b8ee8a9c89de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5573cfcb37ef37d02f6108da76a0ce6b7d1c23cdc0fb8f044b8ee8a9c89de3", kill_on_drop: false }`
[INFO] [stdout] 4c5573cfcb37ef37d02f6108da76a0ce6b7d1c23cdc0fb8f044b8ee8a9c89de3