[INFO] cloning repository https://github.com/dsocolobsky/vvdc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsocolobsky/vvdc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsocolobsky%2Fvvdc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsocolobsky%2Fvvdc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c8e6b87eb6121fd60c7792d0aa1f9b26bfbd9f1
[INFO] checking dsocolobsky/vvdc against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsocolobsky%2Fvvdc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dsocolobsky/vvdc
[INFO] finished tweaking git repo https://github.com/dsocolobsky/vvdc
[INFO] tweaked toml for git repo https://github.com/dsocolobsky/vvdc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dsocolobsky/vvdc on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dsocolobsky/vvdc 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db82e00601222ac8a6ab7c1df45148229e8f8d85acc28001979cf9f9909ec2dc
[INFO] running `Command { std: "docker" "start" "-a" "db82e00601222ac8a6ab7c1df45148229e8f8d85acc28001979cf9f9909ec2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db82e00601222ac8a6ab7c1df45148229e8f8d85acc28001979cf9f9909ec2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db82e00601222ac8a6ab7c1df45148229e8f8d85acc28001979cf9f9909ec2dc", kill_on_drop: false }`
[INFO] [stdout] db82e00601222ac8a6ab7c1df45148229e8f8d85acc28001979cf9f9909ec2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 322ad43c84351d198b2d9f6da639367eca3013b2a93c14737e3b6f81abde5df5
[INFO] running `Command { std: "docker" "start" "-a" "322ad43c84351d198b2d9f6da639367eca3013b2a93c14737e3b6f81abde5df5", kill_on_drop: false }`
[INFO] [stderr]     Checking vvdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokens::TokenType`
[INFO] [stdout]  --> src/parser_test.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{tokens::TokenType, parser::ExpressionType};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `expect_prefix`
[INFO] [stdout]  --> src/parser_test.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | macro_rules! expect_prefix {
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `expect_infix`
[INFO] [stdout]   --> src/parser_test.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | macro_rules! expect_infix {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `expect_identifier`
[INFO] [stdout]   --> src/parser_test.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | macro_rules! expect_identifier {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `expect_string`
[INFO] [stdout]   --> src/parser_test.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 | macro_rules! expect_string {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `expect_return`
[INFO] [stdout]   --> src/parser_test.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 | macro_rules! expect_return {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `codegen::generate_code`
[INFO] [stdout]  --> src/codegen_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codegen::generate_code;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::lex_program`
[INFO] [stdout]  --> src/codegen_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lexer::lex_program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::parse`
[INFO] [stdout]  --> src/codegen_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use parser::parse;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/codegen.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for expression in &self.expressions {
[INFO] [stdout]    |                           -----------------
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           immutable borrow occurs here
[INFO] [stdout]    |                           immutable borrow later used here
[INFO] [stdout] 19 |             self.emit_code_for_expression(&expression);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/codegen.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for expression in &self.expressions {
[INFO] [stdout]    |                           -----------------
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           immutable borrow occurs here
[INFO] [stdout]    |                           immutable borrow later used here
[INFO] [stdout] 19 |             self.emit_code_for_expression(&expression);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vvdc` (bin "vvdc") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vvdc` (bin "vvdc" test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "322ad43c84351d198b2d9f6da639367eca3013b2a93c14737e3b6f81abde5df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322ad43c84351d198b2d9f6da639367eca3013b2a93c14737e3b6f81abde5df5", kill_on_drop: false }`
[INFO] [stdout] 322ad43c84351d198b2d9f6da639367eca3013b2a93c14737e3b6f81abde5df5
