[INFO] cloning repository https://github.com/McCoyBecker/monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/McCoyBecker/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoyBecker%2Fmonkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoyBecker%2Fmonkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] defb4cd044e6462b126fba90ffd3821896e8c651 [INFO] checking McCoyBecker/monkey against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoyBecker%2Fmonkey" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/McCoyBecker/monkey on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/McCoyBecker/monkey [INFO] finished tweaking git repo https://github.com/McCoyBecker/monkey [INFO] tweaked toml for git repo https://github.com/McCoyBecker/monkey written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/McCoyBecker/monkey already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b706d25163572ed02ec6758fda4b1d120e01062d264982eb40882583db451dfd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b706d25163572ed02ec6758fda4b1d120e01062d264982eb40882583db451dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b706d25163572ed02ec6758fda4b1d120e01062d264982eb40882583db451dfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b706d25163572ed02ec6758fda4b1d120e01062d264982eb40882583db451dfd", kill_on_drop: false }` [INFO] [stdout] b706d25163572ed02ec6758fda4b1d120e01062d264982eb40882583db451dfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6b7dd53e839c4a0c46a805367eb461ba4b4afa9940fecaa3b4787d46b02b853 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e6b7dd53e839c4a0c46a805367eb461ba4b4afa9940fecaa3b4787d46b02b853", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling llvm-sys v100.2.0 [INFO] [stderr] Checking monkey v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ILLEGAL` [INFO] [stdout] --> src/lexer.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | ILLEGAL, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ILLEGAL` [INFO] [stdout] --> src/lexer.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | ILLEGAL, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EOF` [INFO] [stdout] --> src/lexer.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | EOF, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IDENT` [INFO] [stdout] --> src/lexer.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | IDENT, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `INT` [INFO] [stdout] --> src/lexer.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | INT, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ASSIGN` [INFO] [stdout] --> src/lexer.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | ASSIGN, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PLUS` [INFO] [stdout] --> src/lexer.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | PLUS, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `COMMA` [INFO] [stdout] --> src/lexer.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | COMMA, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SEMICOLON` [INFO] [stdout] --> src/lexer.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | SEMICOLON, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LPAREN` [INFO] [stdout] --> src/lexer.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | LPAREN, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RPAREN` [INFO] [stdout] --> src/lexer.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | RPAREN, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LBRACE` [INFO] [stdout] --> src/lexer.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | LBRACE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RBRACE` [INFO] [stdout] --> src/lexer.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | RBRACE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FUNCTION` [INFO] [stdout] --> src/lexer.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | FUNCTION, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LET` [INFO] [stdout] --> src/lexer.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | LET [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lexer` [INFO] [stdout] --> src/lexer.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct Lexer [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lexer.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn new(inp: String) -> Lexer [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_char` [INFO] [stdout] --> src/lexer.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn read_char(&mut self) -> () [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_token` [INFO] [stdout] --> src/lexer.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn next_token(&mut self) -> Token [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ILLEGAL` [INFO] [stdout] --> src/lexer.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | ILLEGAL, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.83s [INFO] running `Command { std: "docker" "inspect" "e6b7dd53e839c4a0c46a805367eb461ba4b4afa9940fecaa3b4787d46b02b853", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b7dd53e839c4a0c46a805367eb461ba4b4afa9940fecaa3b4787d46b02b853", kill_on_drop: false }` [INFO] [stdout] e6b7dd53e839c4a0c46a805367eb461ba4b4afa9940fecaa3b4787d46b02b853