[INFO] cloning repository https://github.com/ajkachnic/sandstorm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajkachnic/sandstorm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce1b8ea401607b9e6fcafeecc3d6a0bd3ea0674e [INFO] checking ajkachnic/sandstorm against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ajkachnic/sandstorm on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ajkachnic/sandstorm [INFO] finished tweaking git repo https://github.com/ajkachnic/sandstorm [INFO] tweaked toml for git repo https://github.com/ajkachnic/sandstorm written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ajkachnic/sandstorm 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded owo-colors v2.1.0 [INFO] [stderr] Downloaded similar v1.3.0 [INFO] [stderr] Downloaded miette-derive v3.2.0 [INFO] [stderr] Downloaded typed-builder v0.9.1 [INFO] [stderr] Downloaded miette v3.2.0 [INFO] [stderr] Downloaded syn v1.0.78 [INFO] [stderr] Downloaded insta v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19472189c65a8b685531ca345f2330de5cf39136c6a6d10b78769e04d2bc9caf [INFO] running `Command { std: "docker" "start" "-a" "19472189c65a8b685531ca345f2330de5cf39136c6a6d10b78769e04d2bc9caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19472189c65a8b685531ca345f2330de5cf39136c6a6d10b78769e04d2bc9caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19472189c65a8b685531ca345f2330de5cf39136c6a6d10b78769e04d2bc9caf", kill_on_drop: false }` [INFO] [stdout] 19472189c65a8b685531ca345f2330de5cf39136c6a6d10b78769e04d2bc9caf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab6072dc1822f5b992c6828db628c5ee70c8fb08c9a77d874b750d028d20681f [INFO] running `Command { std: "docker" "start" "-a" "ab6072dc1822f5b992c6828db628c5ee70c8fb08c9a77d874b750d028d20681f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.78 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling cc v1.0.71 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking object v0.26.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Checking smawk v0.3.1 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking is_ci v1.1.1 [INFO] [stderr] Checking supports-color v1.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking supports-hyperlinks v1.2.0 [INFO] [stderr] Checking supports-unicode v1.0.2 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking owo-colors v2.1.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking similar v1.3.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling miette-derive v3.2.0 [INFO] [stderr] Compiling typed-builder v0.9.1 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking thiserror v1.0.29 [INFO] [stderr] Checking miette v3.2.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_yaml v0.8.21 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking sandstorm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.6 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parse.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | _ => Precedence::Lowest, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_is` is never used [INFO] [stdout] --> src/lex.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 144 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 152 | fn peek_is(&mut self, check: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used [INFO] [stdout] --> src/parse.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 162 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 205 | fn peek_is(&self, check: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | fn peek_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn peek_slice(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 302 | fn parse_assign_statement(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 806 | fn get_ident(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking insta v1.8.0 [INFO] [stdout] warning: unused import: `Type` [INFO] [stdout] --> src/checker.rs:1:72 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::ast::{Expression, ExpressionKind, Statement, StatementKind, Type, TypeKind}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parse.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | _ => Precedence::Lowest, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut opts = Options::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: struct `TypeEnv` is never constructed [INFO] [stdout] --> src/checker.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct TypeEnv { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_type`, and `get_type` are never used [INFO] [stdout] --> src/checker.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl TypeEnv { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn set_type(&mut self, key: String, t: TypeKind) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn get_type(&self, key: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `ExpectedFound`, `UnresolvedIdentifier`, `MismatchedArgsParams`, `ExpectedFunction`, and `UndefinedVariable` are never constructed [INFO] [stdout] --> src/checker.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 39 | pub enum TypeError { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 40 | #[error("Expected type {expected:?}, found type {found:?}")] [INFO] [stdout] 41 | ExpectedFound { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | UnresolvedIdentifier(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | MismatchedArgsParams { args: usize, params: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | ExpectedFunction(TypeKind), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | UndefinedVariable(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `TypeResult` is never used [INFO] [stdout] --> src/checker.rs:61:10 [INFO] [stdout] | [INFO] [stdout] 61 | pub type TypeResult = Result; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TypeChecker` is never constructed [INFO] [stdout] --> src/checker.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct TypeChecker { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `check_statement`, and `check_expression` are never used [INFO] [stdout] --> src/checker.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl TypeChecker { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 68 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn check_expression(&mut self, expr: Expression) -> TypeResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_is` is never used [INFO] [stdout] --> src/lex.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 144 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 152 | fn peek_is(&mut self, check: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used [INFO] [stdout] --> src/parse.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 162 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 205 | fn peek_is(&self, check: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | fn peek_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn peek_slice(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 302 | fn parse_assign_statement(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 806 | fn get_ident(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `black_box` [INFO] [stdout] --> benches/lex.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Type` [INFO] [stdout] --> src/checker.rs:1:72 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::ast::{Expression, ExpressionKind, Statement, StatementKind, Type, TypeKind}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parse.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | _ => Precedence::Lowest, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parse.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | _ => Precedence::Lowest, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let mut opts = Options::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: method `peek_is` is never used [INFO] [stdout] --> src/lex.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 144 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 152 | fn peek_is(&mut self, check: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used [INFO] [stdout] --> src/parse.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 162 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 205 | fn peek_is(&self, check: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | fn peek_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn peek_slice(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 302 | fn parse_assign_statement(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 806 | fn get_ident(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TypeEnv` is never constructed [INFO] [stdout] --> src/checker.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct TypeEnv { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_type`, and `get_type` are never used [INFO] [stdout] --> src/checker.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl TypeEnv { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn set_type(&mut self, key: String, t: TypeKind) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn get_type(&self, key: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `ExpectedFound`, `UnresolvedIdentifier`, `MismatchedArgsParams`, `ExpectedFunction`, and `UndefinedVariable` are never constructed [INFO] [stdout] --> src/checker.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 39 | pub enum TypeError { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 40 | #[error("Expected type {expected:?}, found type {found:?}")] [INFO] [stdout] 41 | ExpectedFound { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | UnresolvedIdentifier(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | MismatchedArgsParams { args: usize, params: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | ExpectedFunction(TypeKind), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | UndefinedVariable(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `TypeResult` is never used [INFO] [stdout] --> src/checker.rs:61:10 [INFO] [stdout] | [INFO] [stdout] 61 | pub type TypeResult = Result; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TypeChecker` is never constructed [INFO] [stdout] --> src/checker.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct TypeChecker { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `check_statement`, and `check_expression` are never used [INFO] [stdout] --> src/checker.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl TypeChecker { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 68 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn check_statement(&mut self, stmt: Statement) -> TypeResult<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn check_expression(&mut self, expr: Expression) -> TypeResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_is` is never used [INFO] [stdout] --> src/lex.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 144 | impl<'a> Lexer<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 152 | fn peek_is(&mut self, check: char) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek_is`, `peek_precedence`, `peek_slice`, `parse_assign_statement`, and `get_ident` are never used [INFO] [stdout] --> src/parse.rs:205:8 [INFO] [stdout] | [INFO] [stdout] 162 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 205 | fn peek_is(&self, check: TokenKind) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | fn peek_precedence(&self) -> Precedence { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn peek_slice(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 302 | fn parse_assign_statement(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 806 | fn get_ident(&mut self) -> ParseResult { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ab6072dc1822f5b992c6828db628c5ee70c8fb08c9a77d874b750d028d20681f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab6072dc1822f5b992c6828db628c5ee70c8fb08c9a77d874b750d028d20681f", kill_on_drop: false }` [INFO] [stdout] ab6072dc1822f5b992c6828db628c5ee70c8fb08c9a77d874b750d028d20681f [INFO] checking ajkachnic/sandstorm against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajkachnic%2Fsandstorm" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ajkachnic/sandstorm on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ajkachnic/sandstorm [INFO] finished tweaking git repo https://github.com/ajkachnic/sandstorm [INFO] tweaked toml for git repo https://github.com/ajkachnic/sandstorm written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ajkachnic/sandstorm 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fff2b1ce22dc341be809f45c08f13219d9c9ff08e740b4c58114897ea1803800 [INFO] running `Command { std: "docker" "start" "-a" "fff2b1ce22dc341be809f45c08f13219d9c9ff08e740b4c58114897ea1803800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fff2b1ce22dc341be809f45c08f13219d9c9ff08e740b4c58114897ea1803800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fff2b1ce22dc341be809f45c08f13219d9c9ff08e740b4c58114897ea1803800", kill_on_drop: false }` [INFO] [stdout] fff2b1ce22dc341be809f45c08f13219d9c9ff08e740b4c58114897ea1803800 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0b2a416ae0141cf5ee8e5e67542df870e8d243a3c9e6dd83b165c3a5640bb5e [INFO] running `Command { std: "docker" "start" "-a" "a0b2a416ae0141cf5ee8e5e67542df870e8d243a3c9e6dd83b165c3a5640bb5e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.78 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/src/sync/parker.rs:364:25 [INFO] [stdout] | [INFO] [stdout] 364 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 365 | | NOTIFIED | PARKED => return, [INFO] [stdout] 366 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 367 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a0b2a416ae0141cf5ee8e5e67542df870e8d243a3c9e6dd83b165c3a5640bb5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0b2a416ae0141cf5ee8e5e67542df870e8d243a3c9e6dd83b165c3a5640bb5e", kill_on_drop: false }` [INFO] [stdout] a0b2a416ae0141cf5ee8e5e67542df870e8d243a3c9e6dd83b165c3a5640bb5e