[INFO] cloning repository https://github.com/matty316/why [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matty316/why" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Fwhy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Fwhy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa29f0607d39461620a43309a1aaaf2237300885 [INFO] checking matty316/why against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatty316%2Fwhy" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/matty316/why [INFO] finished tweaking git repo https://github.com/matty316/why [INFO] tweaked toml for git repo https://github.com/matty316/why written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/matty316/why on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/matty316/why 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7dfaf93bb3e9da7537d19cbd96d48b0bc203e2b92cde168d1bd1a17bc88c716e [INFO] running `Command { std: "docker" "start" "-a" "7dfaf93bb3e9da7537d19cbd96d48b0bc203e2b92cde168d1bd1a17bc88c716e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7dfaf93bb3e9da7537d19cbd96d48b0bc203e2b92cde168d1bd1a17bc88c716e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dfaf93bb3e9da7537d19cbd96d48b0bc203e2b92cde168d1bd1a17bc88c716e", kill_on_drop: false }` [INFO] [stdout] 7dfaf93bb3e9da7537d19cbd96d48b0bc203e2b92cde168d1bd1a17bc88c716e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd97a71bb8e4b5bf01c4e787888c0101f37e3c58f662fa538cdb4b223edb701b [INFO] running `Command { std: "docker" "start" "-a" "cd97a71bb8e4b5bf01c4e787888c0101f37e3c58f662fa538cdb4b223edb701b", kill_on_drop: false }` [INFO] [stderr] Checking why-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Scanner` is never constructed [INFO] [stdout] --> src/scanner.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Scanner { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/scanner.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Scanner { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 11 | pub fn new(source: String) -> Scanner { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn scan_token(&mut self) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn skip_whitespace(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | fn peek(&self) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | fn read(&mut self) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | fn make_token(token_type: TokenType, literal: &str) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn is_alpha(c: u8) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn is_digit(c: u8) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn is_alphanumeric(c: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | fn read_ident(&mut self) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | fn check_keyword(bytes: &[u8]) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn rest(bytes: &[u8], rest: &[u8], token_type: TokenType) -> TokenType { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 166 | fn read_num(&mut self) -> Token { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | fn read_string(&mut self) -> Token { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Token` is never constructed [INFO] [stdout] --> src/token.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TokenType` is never used [INFO] [stdout] --> src/token.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum TokenType { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/parser.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/parser.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Parser { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 11 | fn new(mut scanner: Scanner) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn parse(&mut self) -> Program { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn parse_stmt(&mut self) -> Stmt { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn parse_var(&mut self) -> Stmt { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn parse_expr_stmt(&mut self) -> Stmt { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn parse_func(&mut self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | fn parse_params(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | fn parse_block(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn parse_expr(&mut self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn parse_term(&mut self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | fn parse_factor(&mut self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | fn parse_primary(&self) -> Expr { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | fn read(&mut self) -> Token { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | fn expect(&mut self, token: TokenType) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Expr` is never used [INFO] [stdout] --> src/ast.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Stmt` is never used [INFO] [stdout] --> src/ast.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum Stmt { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Program` is never constructed [INFO] [stdout] --> src/ast.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct Program { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "cd97a71bb8e4b5bf01c4e787888c0101f37e3c58f662fa538cdb4b223edb701b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd97a71bb8e4b5bf01c4e787888c0101f37e3c58f662fa538cdb4b223edb701b", kill_on_drop: false }` [INFO] [stdout] cd97a71bb8e4b5bf01c4e787888c0101f37e3c58f662fa538cdb4b223edb701b