[INFO] cloning repository https://github.com/vimcki/monkey-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vimcki/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimcki%2Fmonkey-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimcki%2Fmonkey-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7278289f1a1ffda145018952966b09c78262ce1 [INFO] checking vimcki/monkey-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimcki%2Fmonkey-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vimcki/monkey-rust 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/vimcki/monkey-rust [INFO] finished tweaking git repo https://github.com/vimcki/monkey-rust [INFO] tweaked toml for git repo https://github.com/vimcki/monkey-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vimcki/monkey-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 858d06e62149bb1a4c39893cb7627ebd4cb94685ee019af9985f1bbc88ffd025 [INFO] running `Command { std: "docker" "start" "-a" "858d06e62149bb1a4c39893cb7627ebd4cb94685ee019af9985f1bbc88ffd025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "858d06e62149bb1a4c39893cb7627ebd4cb94685ee019af9985f1bbc88ffd025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "858d06e62149bb1a4c39893cb7627ebd4cb94685ee019af9985f1bbc88ffd025", kill_on_drop: false }` [INFO] [stdout] 858d06e62149bb1a4c39893cb7627ebd4cb94685ee019af9985f1bbc88ffd025 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fcc51131de0bcc1c765541c3a2ac2d383108794d7075722ba46ac34a21e05d17 [INFO] running `Command { std: "docker" "start" "-a" "fcc51131de0bcc1c765541c3a2ac2d383108794d7075722ba46ac34a21e05d17", kill_on_drop: false }` [INFO] [stderr] Checking monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/environment.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut hashmap = HashMap::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let obj = evaluator.eval_program(program); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `StringLiteral` is never constructed [INFO] [stdout] --> src/ast.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 116 | pub enum Literal { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 119 | StringLiteral(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/environment.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut hashmap = HashMap::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expected` [INFO] [stdout] --> src/parser.rs:763:57 [INFO] [stdout] | [INFO] [stdout] 763 | fn test_literal_expression(expression: &Expression, expected: &Literal) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let obj = evaluator.eval_program(program); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `StringLiteral` is never constructed [INFO] [stdout] --> src/ast.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 116 | pub enum Literal { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 119 | StringLiteral(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_identifier` is never used [INFO] [stdout] --> src/parser.rs:752:8 [INFO] [stdout] | [INFO] [stdout] 752 | fn test_identifier(expression: &Expression, value: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_infix_expression` is never used [INFO] [stdout] --> src/parser.rs:802:8 [INFO] [stdout] | [INFO] [stdout] 802 | fn test_infix_expression( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "fcc51131de0bcc1c765541c3a2ac2d383108794d7075722ba46ac34a21e05d17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcc51131de0bcc1c765541c3a2ac2d383108794d7075722ba46ac34a21e05d17", kill_on_drop: false }` [INFO] [stdout] fcc51131de0bcc1c765541c3a2ac2d383108794d7075722ba46ac34a21e05d17