[INFO] cloning repository https://github.com/kerlw/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/kerlw/monkey_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerlw%2Fmonkey_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerlw%2Fmonkey_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f4182e02f255d2eaccd074c295ce807f1f55b1d [INFO] checking kerlw/monkey_rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerlw%2Fmonkey_rust" "/workspace/builds/worker-42/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kerlw/monkey_rust on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kerlw/monkey_rust [INFO] finished tweaking git repo https://github.com/kerlw/monkey_rust [INFO] tweaked toml for git repo https://github.com/kerlw/monkey_rust written to /workspace/builds/worker-42/source/Cargo.toml [INFO] crate git repo https://github.com/kerlw/monkey_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.25 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.75 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.75 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.75 [INFO] [stderr] Downloaded async-ctrlc v1.2.0 [INFO] [stderr] Downloaded ctrlc v3.2.0 [INFO] [stderr] Downloaded async-process v1.2.0 [INFO] [stderr] Downloaded socket2 v0.4.1 [INFO] [stderr] Downloaded wasm-bindgen v0.2.75 [INFO] [stderr] Downloaded nix v0.22.1 [INFO] [stderr] Downloaded libc v0.2.99 [INFO] [stderr] Downloaded js-sys v0.3.52 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.75 [INFO] [stderr] Downloaded web-sys v0.3.52 [INFO] [stderr] Downloaded slab v0.4.4 [INFO] [stderr] Downloaded fastrand v1.5.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9043dea4b3e644f93424476f5e343dad4b2557a640d717f8b76dff6bbcf9875 [INFO] running `Command { std: "docker" "start" "-a" "e9043dea4b3e644f93424476f5e343dad4b2557a640d717f8b76dff6bbcf9875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9043dea4b3e644f93424476f5e343dad4b2557a640d717f8b76dff6bbcf9875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9043dea4b3e644f93424476f5e343dad4b2557a640d717f8b76dff6bbcf9875", kill_on_drop: false }` [INFO] [stdout] e9043dea4b3e644f93424476f5e343dad4b2557a640d717f8b76dff6bbcf9875 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04b2bbbd3c111f08254fb0733917a6189381af4aeecbecaaf395a17e17db549f [INFO] running `Command { std: "docker" "start" "-a" "04b2bbbd3c111f08254fb0733917a6189381af4aeecbecaaf395a17e17db549f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking fastrand v1.5.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking socket2 v0.4.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking nix v0.22.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking ctrlc v3.2.0 [INFO] [stderr] Checking async-ctrlc v1.2.0 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking polling v2.1.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking async-process v1.2.0 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking monkey_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/parser/mod.rs:112:33 [INFO] [stdout] | [INFO] [stdout] 112 | if let TokenType::Ident(v) = self.peek_token.typ.borrow() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/parser/mod.rs:125:28 [INFO] [stdout] | [INFO] [stdout] 125 | TokenType::Int(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/parser/mod.rs:112:33 [INFO] [stdout] | [INFO] [stdout] 112 | if let TokenType::Ident(v) = self.peek_token.typ.borrow() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/parser/mod.rs:125:28 [INFO] [stdout] | [INFO] [stdout] 125 | TokenType::Int(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EOF_TOKEN` [INFO] [stdout] --> src/lexer/token.rs:47:1 [INFO] [stdout] | [INFO] [stdout] 47 | / pub const EOF_TOKEN: Token = Token { [INFO] [stdout] 48 | | typ: TokenType::EOF, [INFO] [stdout] 49 | | }; [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_operator` [INFO] [stdout] --> src/lexer/token.rs:88:12 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn is_operator(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `token` [INFO] [stdout] --> src/parser/program.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub(crate) token: Token, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/parser/program.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) name: Identifier, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/parser/program.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub(crate) value: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/parser/program.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn new(token: Token, name: Identifier, value: Box) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `statements` [INFO] [stdout] --> src/parser/program.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub(crate) statements: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/parser/mod.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | pub type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parser` [INFO] [stdout] --> src/parser/mod.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/parser/mod.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn new(l: Lexer) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token` [INFO] [stdout] --> src/parser/mod.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn next_token(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `expect_peek` [INFO] [stdout] --> src/parser/mod.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn expect_peek(&mut self, token: TokenType) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_program` [INFO] [stdout] --> src/parser/mod.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn parse_program(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_statement` [INFO] [stdout] --> src/parser/mod.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn parse_statement(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_let_statement` [INFO] [stdout] --> src/parser/mod.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | fn parse_let_statement(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_identifier` [INFO] [stdout] --> src/parser/mod.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn parse_identifier(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_expression` [INFO] [stdout] --> src/parser/mod.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | fn parse_expression(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_operator_expression` [INFO] [stdout] --> src/parser/mod.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | fn parse_operator_expression(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `token` [INFO] [stdout] --> src/parser/program.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub(crate) token: Token, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/parser/program.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub(crate) value: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.28s [INFO] running `Command { std: "docker" "inspect" "04b2bbbd3c111f08254fb0733917a6189381af4aeecbecaaf395a17e17db549f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04b2bbbd3c111f08254fb0733917a6189381af4aeecbecaaf395a17e17db549f", kill_on_drop: false }` [INFO] [stdout] 04b2bbbd3c111f08254fb0733917a6189381af4aeecbecaaf395a17e17db549f