[INFO] cloning repository https://github.com/justinas/mylang [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinas/mylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinas%2Fmylang"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinas%2Fmylang'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 86e92c585be15717e552d909c35e8be0b6938d04 [INFO] testing justinas/mylang against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinas%2Fmylang" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justinas/mylang on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/justinas/mylang [INFO] finished tweaking git repo https://github.com/justinas/mylang [INFO] tweaked toml for git repo https://github.com/justinas/mylang written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/justinas/mylang already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0481edd84cc9dc7afdf75dd110f0e4872d035c2398927c0c6ef79e2d67076ba4 [INFO] running `"docker" "start" "-a" "0481edd84cc9dc7afdf75dd110f0e4872d035c2398927c0c6ef79e2d67076ba4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling mylang v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/codegen/mod.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(writer.write(&buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lexer/mod.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | try!(r.read_to_string(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/parser/mod.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | try!(write!(f, r#"Function {:?} ( "#, self.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/parser/mod.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | try!(write!(f, r"{:?} {:?} ", param.typ, param.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Entry` [INFO] [stderr] --> src/codegen/mod.rs:2:34 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::hash_map::{Entry, HashMap}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Atom`, `Block`, `Conditional`, `Expr`, `FnItem`, `IfStmt`, `Operation`, `Stmt`, `Type`, `WhileStmt`, `self` [INFO] [stderr] --> src/codegen/test.rs:1:28 [INFO] [stderr] | [INFO] [stderr] 1 | use super::super::parser::{self, Atom, Block, Conditional, Expr, FnItem, IfStmt, Operation, Stmt, [INFO] [stderr] | ^^^^ ^^^^ ^^^^^ ^^^^^^^^^^^ ^^^^ ^^^^^^ ^^^^^^ ^^^^^^^^^ ^^^^ [INFO] [stderr] 2 | Type, WhileStmt}; [INFO] [stderr] | ^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Context`, `Gen`, `Program`, `Symbol`, `Typed` [INFO] [stderr] --> src/codegen/test.rs:3:13 [INFO] [stderr] | [INFO] [stderr] 3 | use super::{Context, Gen, Program, Symbol, Typed}; [INFO] [stderr] | ^^^^^^^ ^^^ ^^^^^^^ ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Error` [INFO] [stderr] --> src/codegen/test.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use super::Error; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Instruction` [INFO] [stderr] --> src/codegen/test.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use super::Instruction; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Instruction::*` [INFO] [stderr] --> src/codegen/test.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use super::Instruction::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Marker` [INFO] [stderr] --> src/codegen/test.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use super::Marker; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::parse_program` [INFO] [stderr] --> src/codegen/test.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use super::parse_program; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/codegen/test.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | / macro_rules! empty_fn { [INFO] [stderr] 11 | | ($name:expr, $ret:expr) => { [INFO] [stderr] 12 | | FnItem{ block: parser::Block(vec![]), name: $name.into(), params: vec![], ret: $ret} [INFO] [stderr] 13 | | }; [INFO] [stderr] ... | [INFO] [stderr] 16 | | }; [INFO] [stderr] 17 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Lines` [INFO] [stderr] --> src/lexer/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Lines; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:194:32 [INFO] [stderr] | [INFO] [stderr] 194 | ... '0'...'9' => self.lex_const(true), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:300:20 [INFO] [stderr] | [INFO] [stderr] 300 | '0'...'9' => self.lex_const(false), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:301:20 [INFO] [stderr] | [INFO] [stderr] 301 | 'A'...'Z' | 'a'...'z' => self.lex_ident(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:301:32 [INFO] [stderr] | [INFO] [stderr] 301 | 'A'...'Z' | 'a'...'z' => self.lex_ident(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:338:20 [INFO] [stderr] | [INFO] [stderr] 338 | '0'...'9' => val.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:339:20 [INFO] [stderr] | [INFO] [stderr] 339 | 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:339:32 [INFO] [stderr] | [INFO] [stderr] 339 | 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:20 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:32 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:44 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/lexer/test.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Keyword`, `TokenAt` [INFO] [stderr] --> src/parser/expr.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use super::{Delimiter, Keyword, Operator, Token, TokenAt}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/parser/test.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `parse_atom`, `parse_comparison`, `parse_logexpr`, `parse_product`, `parse_sum` [INFO] [stderr] --> src/parser/test.rs:2:19 [INFO] [stderr] | [INFO] [stderr] 2 | use super::expr::{parse_atom, parse_comparison, parse_logexpr, parse_product, parse_sum}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Instruction` [INFO] [stderr] --> src/vm/test.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use super::Instruction; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Instruction::*` [INFO] [stderr] --> src/vm/test.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use super::Instruction::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Machine` [INFO] [stderr] --> src/vm/test.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use super::Machine; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::super::codegen::Program` [INFO] [stderr] --> src/vm/test.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use super::super::codegen::Program; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::STACK_SIZE` [INFO] [stderr] --> src/vm/test.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use super::STACK_SIZE; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:44:14 [INFO] [stderr] | [INFO] [stderr] 44 | Err((t, e)) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/codegen/mod.rs:33:23 [INFO] [stderr] | [INFO] [stderr] 33 | funcs.sort_by(|a, b| if a.name == "main" { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/codegen/gen.rs:254:19 [INFO] [stderr] | [INFO] [stderr] 254 | fn typ(&self, ctx: &mut Context) -> Result { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/codegen/gen.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | for a in args.iter() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:278:31 [INFO] [stderr] | [INFO] [stderr] 278 | Some(&c) => Err(ErrorVariant::Expected('&')), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:290:31 [INFO] [stderr] | [INFO] [stderr] 290 | Some(&c) => Err(ErrorVariant::Expected('|')), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:309:17 [INFO] [stderr] | [INFO] [stderr] 309 | c => return Err((tokens, self.error(ErrorVariant::UnknownCharacter))), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remain` [INFO] [stderr] --> src/parser/mod.rs:106:20 [INFO] [stderr] | [INFO] [stderr] 106 | (None, remain) => return Err(()), [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut machine = vm::Machine::new(&bytes); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/codegen/mod.rs:88:8 [INFO] [stderr] | [INFO] [stderr] 88 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_symbol` [INFO] [stderr] --> src/codegen/mod.rs:136:8 [INFO] [stderr] | [INFO] [stderr] 136 | fn push_symbol(&mut self, symbol: Symbol) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | write!(stderr(), "Usage: ./mylang [filename]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | write!(stderr(), "Error while opening {}: {}", filename, e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | write!(stderr(), "Lexer I/O error: {:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(stderr(), "{}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | write!(stderr(), "Syntax error."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | write!(stderr(), "{:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/mod.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | write!(f, ")\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/mod.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | write!(f, "{:#?}\n", self.block); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 52 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.58s [INFO] running `"docker" "inspect" "0481edd84cc9dc7afdf75dd110f0e4872d035c2398927c0c6ef79e2d67076ba4"` [INFO] running `"docker" "rm" "-f" "0481edd84cc9dc7afdf75dd110f0e4872d035c2398927c0c6ef79e2d67076ba4"` [INFO] [stdout] 0481edd84cc9dc7afdf75dd110f0e4872d035c2398927c0c6ef79e2d67076ba4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 743147d14cf469e08394a973a7a07f9fb0398f5edec1128c974e2f9262eb8b06 [INFO] running `"docker" "start" "-a" "743147d14cf469e08394a973a7a07f9fb0398f5edec1128c974e2f9262eb8b06"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mylang v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/codegen/mod.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(writer.write(&buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lexer/mod.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | try!(r.read_to_string(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/parser/mod.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | try!(write!(f, r#"Function {:?} ( "#, self.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/parser/mod.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | try!(write!(f, r"{:?} {:?} ", param.typ, param.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Entry` [INFO] [stderr] --> src/codegen/mod.rs:2:34 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::hash_map::{Entry, HashMap}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Operation` [INFO] [stderr] --> src/codegen/gen.rs:326:51 [INFO] [stderr] | [INFO] [stderr] 326 | use super::super::super::parser::{Atom, Expr, Operation, Type}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Lines` [INFO] [stderr] --> src/lexer/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Lines; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:194:32 [INFO] [stderr] | [INFO] [stderr] 194 | ... '0'...'9' => self.lex_const(true), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:300:20 [INFO] [stderr] | [INFO] [stderr] 300 | '0'...'9' => self.lex_const(false), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:301:20 [INFO] [stderr] | [INFO] [stderr] 301 | 'A'...'Z' | 'a'...'z' => self.lex_ident(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:301:32 [INFO] [stderr] | [INFO] [stderr] 301 | 'A'...'Z' | 'a'...'z' => self.lex_ident(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:338:20 [INFO] [stderr] | [INFO] [stderr] 338 | '0'...'9' => val.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:339:20 [INFO] [stderr] | [INFO] [stderr] 339 | 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:339:32 [INFO] [stderr] | [INFO] [stderr] 339 | 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:20 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:32 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:44 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Keyword`, `TokenAt` [INFO] [stderr] --> src/parser/expr.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use super::{Delimiter, Keyword, Operator, Token, TokenAt}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:44:14 [INFO] [stderr] | [INFO] [stderr] 44 | Err((t, e)) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/codegen/mod.rs:33:23 [INFO] [stderr] | [INFO] [stderr] 33 | funcs.sort_by(|a, b| if a.name == "main" { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/codegen/gen.rs:254:19 [INFO] [stderr] | [INFO] [stderr] 254 | fn typ(&self, ctx: &mut Context) -> Result { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/codegen/gen.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | for a in args.iter() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:278:31 [INFO] [stderr] | [INFO] [stderr] 278 | Some(&c) => Err(ErrorVariant::Expected('&')), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:290:31 [INFO] [stderr] | [INFO] [stderr] 290 | Some(&c) => Err(ErrorVariant::Expected('|')), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:309:17 [INFO] [stderr] | [INFO] [stderr] 309 | c => return Err((tokens, self.error(ErrorVariant::UnknownCharacter))), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remain` [INFO] [stderr] --> src/parser/mod.rs:106:20 [INFO] [stderr] | [INFO] [stderr] 106 | (None, remain) => return Err(()), [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut machine = vm::Machine::new(&bytes); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_symbol` [INFO] [stderr] --> src/codegen/mod.rs:136:8 [INFO] [stderr] | [INFO] [stderr] 136 | fn push_symbol(&mut self, symbol: Symbol) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | write!(stderr(), "Usage: ./mylang [filename]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | write!(stderr(), "Error while opening {}: {}", filename, e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | write!(stderr(), "Lexer I/O error: {:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(stderr(), "{}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | write!(stderr(), "Syntax error."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | write!(stderr(), "{:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/mod.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | write!(f, ")\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/mod.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | write!(f, "{:#?}\n", self.block); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 36 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.44s [INFO] running `"docker" "inspect" "743147d14cf469e08394a973a7a07f9fb0398f5edec1128c974e2f9262eb8b06"` [INFO] running `"docker" "rm" "-f" "743147d14cf469e08394a973a7a07f9fb0398f5edec1128c974e2f9262eb8b06"` [INFO] [stdout] 743147d14cf469e08394a973a7a07f9fb0398f5edec1128c974e2f9262eb8b06 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f070091386637b0821c167ce7c9305316fd0ea2e61a7d346cf583e7853a36bf5 [INFO] running `"docker" "start" "-a" "f070091386637b0821c167ce7c9305316fd0ea2e61a7d346cf583e7853a36bf5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/codegen/mod.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(writer.write(&buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lexer/mod.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | try!(r.read_to_string(&mut contents)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/parser/mod.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | try!(write!(f, r#"Function {:?} ( "#, self.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/parser/mod.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | try!(write!(f, r"{:?} {:?} ", param.typ, param.name)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Entry` [INFO] [stderr] --> src/codegen/mod.rs:2:34 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::hash_map::{Entry, HashMap}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Operation` [INFO] [stderr] --> src/codegen/gen.rs:326:51 [INFO] [stderr] | [INFO] [stderr] 326 | use super::super::super::parser::{Atom, Expr, Operation, Type}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Lines` [INFO] [stderr] --> src/lexer/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Lines; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:194:32 [INFO] [stderr] | [INFO] [stderr] 194 | ... '0'...'9' => self.lex_const(true), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:300:20 [INFO] [stderr] | [INFO] [stderr] 300 | '0'...'9' => self.lex_const(false), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:301:20 [INFO] [stderr] | [INFO] [stderr] 301 | 'A'...'Z' | 'a'...'z' => self.lex_ident(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:301:32 [INFO] [stderr] | [INFO] [stderr] 301 | 'A'...'Z' | 'a'...'z' => self.lex_ident(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:338:20 [INFO] [stderr] | [INFO] [stderr] 338 | '0'...'9' => val.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:339:20 [INFO] [stderr] | [INFO] [stderr] 339 | 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:339:32 [INFO] [stderr] | [INFO] [stderr] 339 | 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:20 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:32 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lexer/mod.rs:354:44 [INFO] [stderr] | [INFO] [stderr] 354 | 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Keyword`, `TokenAt` [INFO] [stderr] --> src/parser/expr.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | use super::{Delimiter, Keyword, Operator, Token, TokenAt}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:44:14 [INFO] [stderr] | [INFO] [stderr] 44 | Err((t, e)) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/codegen/mod.rs:33:23 [INFO] [stderr] | [INFO] [stderr] 33 | funcs.sort_by(|a, b| if a.name == "main" { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/codegen/gen.rs:254:19 [INFO] [stderr] | [INFO] [stderr] 254 | fn typ(&self, ctx: &mut Context) -> Result { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/codegen/gen.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | for a in args.iter() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:278:31 [INFO] [stderr] | [INFO] [stderr] 278 | Some(&c) => Err(ErrorVariant::Expected('&')), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:290:31 [INFO] [stderr] | [INFO] [stderr] 290 | Some(&c) => Err(ErrorVariant::Expected('|')), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lexer/mod.rs:309:17 [INFO] [stderr] | [INFO] [stderr] 309 | c => return Err((tokens, self.error(ErrorVariant::UnknownCharacter))), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remain` [INFO] [stderr] --> src/parser/mod.rs:106:20 [INFO] [stderr] | [INFO] [stderr] 106 | (None, remain) => return Err(()), [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut machine = vm::Machine::new(&bytes); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_symbol` [INFO] [stderr] --> src/codegen/mod.rs:136:8 [INFO] [stderr] | [INFO] [stderr] 136 | fn push_symbol(&mut self, symbol: Symbol) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | write!(stderr(), "Usage: ./mylang [filename]"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | write!(stderr(), "Error while opening {}: {}", filename, e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | write!(stderr(), "Lexer I/O error: {:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | write!(stderr(), "{}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | write!(stderr(), "Syntax error."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | write!(stderr(), "{:?}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/mod.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | write!(f, ")\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser/mod.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | write!(f, "{:#?}\n", self.block); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 36 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mylang-7122ac8180beba48 [INFO] [stdout] [INFO] [stdout] running 50 tests [INFO] [stdout] test codegen::test::test_gen_fncall ... ok [INFO] [stdout] test codegen::test::test_gen_expr ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_while ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_assign ... ok [INFO] [stdout] test codegen::test::test_opcode ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_block ... ok [INFO] [stdout] test codegen::test::test_symbol_stack ... ok [INFO] [stdout] test codegen::test::test_typed ... ok [INFO] [stdout] test lexer::test::test_lex_const ... ok [INFO] [stdout] test lexer::test::test_lex_delimiters ... ok [INFO] [stdout] test codegen::test::test_program_encode ... ok [INFO] [stdout] test lexer::test::test_lex_ident ... ok [INFO] [stdout] test lexer::test::test_lex_multiline_comment ... ok [INFO] [stdout] test lexer::test::test_lex_multiline_comment_no_end ... ok [INFO] [stdout] test codegen::test::test_encode ... ok [INFO] [stdout] test codegen::test::test_decode ... ok [INFO] [stdout] test lexer::test::test_lex_str ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_return ... ok [INFO] [stdout] test lexer::test::test_lexer_errors ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_expr ... ok [INFO] [stdout] test codegen::test::test_integration ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_decl ... ok [INFO] [stdout] test codegen::gen::test::test_expr_typed ... ok [INFO] [stdout] test codegen::test::test_gen_stmt_if ... ok [INFO] [stdout] test parser::test::test_parse_declstmt ... ok [INFO] [stdout] test parser::test::test_parse_logexpr ... ok [INFO] [stdout] test parser::test::test_parse_product ... ok [INFO] [stdout] test parser::test::test_parse_sum ... ok [INFO] [stdout] test parser::test::test_parse_ifstmt ... ok [INFO] [stdout] test vm::test::test_arithmetic ... ok [INFO] [stdout] test vm::test::test_jmp ... ok [INFO] [stdout] test parser::test::test_parse_whilestmt ... ok [INFO] [stdout] test parser::test::test_parse_assignstmt ... ok [INFO] [stdout] test lexer::test::test_lex_keyword ... ok [INFO] [stdout] test parser::test::test_parse_break ... ok [INFO] [stdout] test parser::test::test_parse_block ... ok [INFO] [stdout] test parser::test::test_parse_atom ... ok [INFO] [stdout] test lexer::test::test_lex_line_comment ... ok [INFO] [stdout] test parser::test::test_parse_fn ... ok [INFO] [stdout] test parser::test::test_parse_comparison ... ok [INFO] [stdout] test parser::test::test_parse_stmt ... ok [INFO] [stdout] test vm::test::test_neq ... ok [INFO] [stdout] test vm::test::test_vm_call ... ok [INFO] [stdout] test parser::test::test_parse ... ok [INFO] [stdout] test lexer::test::test_lex_op ... ok [INFO] [stdout] test vm::test::test_vm_push_pop ... ok [INFO] [stdout] test vm::test::test_vm_retw ... ok [INFO] [stdout] test vm::test::test_eq ... ok [INFO] [stdout] test vm::test::test_jmpz ... ok [INFO] [stdout] test vm::test::test_vm_ret ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- vm::test::test_vm_ret stdout ---- [INFO] [stdout] thread 'vm::test::test_vm_ret' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `0`, [INFO] [stdout] right: `57005`', src/vm/test.rs:64:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56184f0070f5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x56184f0070f5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56184f0070f5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x56184f0070f5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x56184f02f10c - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x56184efba1a5 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x56184f001631 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x56184f009920 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x56184f009920 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x56184f009920 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x56184f00961a - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x56184f009f57 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x56184f009b5b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 13: 0x56184f009acb - std::panicking::begin_panic_fmt::h3ec91017ffedff5c [INFO] [stdout] at src/libstd/panicking.rs:342 [INFO] [stdout] 14: 0x56184efa3188 - mylang::vm::test::test_vm_ret::hc856d0ccd8f116ba [INFO] [stdout] at src/vm/test.rs:64 [INFO] [stdout] 15: 0x56184efa292a - mylang::vm::test::test_vm_ret::{{closure}}::h9bcbc46ddc9b5f64 [INFO] [stdout] at src/vm/test.rs:56 [INFO] [stdout] 16: 0x56184efaf4be - core::ops::function::FnOnce::call_once::h6117a3a8fee0bef9 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 17: 0x56184efe1592 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 18: 0x56184efe1592 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x56184efe1592 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 20: 0x56184efe1592 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 21: 0x56184efe1592 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x56184efe1592 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x56184efe1592 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x56184efb9666 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x56184efbec05 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x56184efbec05 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x56184efbec05 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 28: 0x56184efbec05 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 29: 0x56184efbec05 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x56184efbec05 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x56184efbec05 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 32: 0x56184f01021a - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 33: 0x56184f01021a - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 34: 0x56184f01021a - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7fd2fcbf1609 - start_thread [INFO] [stdout] 36: 0x7fd2fcafd103 - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] vm::test::test_vm_ret [INFO] [stdout] [INFO] [stdout] test result: FAILED. 49 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin mylang' [INFO] running `"docker" "inspect" "f070091386637b0821c167ce7c9305316fd0ea2e61a7d346cf583e7853a36bf5"` [INFO] running `"docker" "rm" "-f" "f070091386637b0821c167ce7c9305316fd0ea2e61a7d346cf583e7853a36bf5"` [INFO] [stdout] f070091386637b0821c167ce7c9305316fd0ea2e61a7d346cf583e7853a36bf5