[INFO] cloning repository https://github.com/justinas/mylang
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinas%2Fmylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86e92c585be15717e552d909c35e8be0b6938d04
[INFO] testing justinas/mylang against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinas%2Fmylang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/justinas/mylang on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/justinas/mylang 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 501f1cc71ad00f0809a0c543aae3b48f6e73772e169dd485da668cb3e77d5fbb
[INFO] running `Command { std: "docker" "start" "-a" "501f1cc71ad00f0809a0c543aae3b48f6e73772e169dd485da668cb3e77d5fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "501f1cc71ad00f0809a0c543aae3b48f6e73772e169dd485da668cb3e77d5fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501f1cc71ad00f0809a0c543aae3b48f6e73772e169dd485da668cb3e77d5fbb", kill_on_drop: false }`
[INFO] [stdout] 501f1cc71ad00f0809a0c543aae3b48f6e73772e169dd485da668cb3e77d5fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84827e8437d54d9a97fa3ebc38c17e0d68839629ad848fee9b09d449f52ccad1
[INFO] running `Command { std: "docker" "start" "-a" "84827e8437d54d9a97fa3ebc38c17e0d68839629ad848fee9b09d449f52ccad1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling mylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Entry`
[INFO] [stdout]  --> src/codegen/mod.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::{Entry, HashMap};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/codegen/mod.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             try!(writer.write(&buf));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/codegen/gen.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn gen(&self, &mut Context) -> Result<Vec<Instruction>, Error>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Atom`, `Block`, `Conditional`, `Expr`, `FnItem`, `IfStmt`, `Operation`, `Stmt`, `Type`, `WhileStmt`, and `self`
[INFO] [stdout]  --> src/codegen/test.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::parser::{self, Atom, Block, Conditional, Expr, FnItem, IfStmt, Operation, Stmt,
[INFO] [stdout]   |                            ^^^^  ^^^^  ^^^^^  ^^^^^^^^^^^  ^^^^  ^^^^^^  ^^^^^^  ^^^^^^^^^  ^^^^
[INFO] [stdout] 2 |                            Type, WhileStmt};
[INFO] [stdout]   |                            ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Gen`, `Program`, `Symbol`, and `Typed`
[INFO] [stdout]  --> src/codegen/test.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Context, Gen, Program, Symbol, Typed};
[INFO] [stdout]   |             ^^^^^^^  ^^^  ^^^^^^^  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Error`
[INFO] [stdout]  --> src/codegen/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Instruction`
[INFO] [stdout]  --> src/codegen/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::Instruction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Instruction::*`
[INFO] [stdout]  --> src/codegen/test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::Instruction::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Marker`
[INFO] [stdout]  --> src/codegen/test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::Marker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::parse_program`
[INFO] [stdout]  --> src/codegen/test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::parse_program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `empty_fn`
[INFO] [stdout]   --> src/codegen/test.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | macro_rules! empty_fn {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Lines`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer/mod.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(r.read_to_string(&mut contents));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   '0'...'9' => self.lex_const(true),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:300:20
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 '0'...'9' => self.lex_const(false),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:301:20
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 'A'...'Z' | 'a'...'z' => self.lex_ident(),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:301:32
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 'A'...'Z' | 'a'...'z' => self.lex_ident(),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:338:20
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 '0'...'9' => val.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:339:20
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:354:20
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:354:32
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:354:44
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lexer/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(write!(f, r#"Function {:?} ( "#, self.name));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             try!(write!(f, r"{:?} {:?} ", param.typ, param.name));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Keyword` and `TokenAt`
[INFO] [stdout]  --> src/parser/expr.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Delimiter, Keyword, Operator, Token, TokenAt};
[INFO] [stdout]   |                        ^^^^^^^                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/parser/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `parse_atom`, `parse_comparison`, `parse_logexpr`, `parse_product`, and `parse_sum`
[INFO] [stdout]  --> src/parser/test.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::expr::{parse_atom, parse_comparison, parse_logexpr, parse_product, parse_sum};
[INFO] [stdout]   |                   ^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Instruction`
[INFO] [stdout]  --> src/vm/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::Instruction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Instruction::*`
[INFO] [stdout]  --> src/vm/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::Instruction::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Machine`
[INFO] [stdout]  --> src/vm/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::Machine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::codegen::Program`
[INFO] [stdout]  --> src/vm/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::super::codegen::Program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::STACK_SIZE`
[INFO] [stdout]  --> src/vm/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::STACK_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut machine = vm::Machine::new(&bytes);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err((t, e)) => {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/codegen/mod.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     funcs.sort_by(|a, b| if a.name == "main" {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/codegen/gen.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 for a in args.iter() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/codegen/gen.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn typ(&self, ctx: &mut Context) -> Result<Type, Error> {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lexer/mod.rs:278:31
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         Some(&c) => Err(ErrorVariant::Expected('&')),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lexer/mod.rs:290:31
[INFO] [stdout]     |
[INFO] [stdout] 290 |                         Some(&c) => Err(ErrorVariant::Expected('|')),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lexer/mod.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 c => return Err((tokens, self.error(ErrorVariant::UnknownCharacter))),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remain`
[INFO] [stdout]    --> src/parser/mod.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |             (None, remain) => return Err(()),
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `push_symbol` are never used
[INFO] [stdout]    --> src/codegen/mod.rs:88:8
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl<'a> Context<'a> {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout]  88 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn push_symbol(&mut self, symbol: Symbol) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             write!(stderr(), "Usage: ./mylang [filename]");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = write!(stderr(), "Usage: ./mylang [filename]");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             write!(stderr(), "Error while opening {}: {}", filename, e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let _ = write!(stderr(), "Error while opening {}: {}", filename, e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             write!(stderr(), "Lexer I/O error: {:?}", e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let _ = write!(stderr(), "Lexer I/O error: {:?}", e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             write!(stderr(), "{}", e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = write!(stderr(), "{}", e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             write!(stderr(), "Syntax error.");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let _ = write!(stderr(), "Syntax error.");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(stderr(), "{:?}", e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let _ = write!(stderr(), "{:?}", e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser/mod.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         write!(f, ")\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = write!(f, ")\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         write!(f, "{:#?}\n", self.block);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = write!(f, "{:#?}\n", self.block);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parser/expr.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Operator` does not implement `Clone`, so calling `clone` on `&Operator` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 53 -             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout] 53 +             Some(&Token::Op(ref o)) => o,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Operator`, implement `Clone` for it
[INFO] [stdout]   --> src/lexer/mod.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 + #[derive(Clone)]
[INFO] [stdout] 69 | pub enum Operator {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parser/expr.rs:82:41
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Operator` does not implement `Clone`, so calling `clone` on `&Operator` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 82 -             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout] 82 +             Some(&Token::Op(ref o)) => o,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Operator`, implement `Clone` for it
[INFO] [stdout]   --> src/lexer/mod.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 + #[derive(Clone)]
[INFO] [stdout] 69 | pub enum Operator {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "84827e8437d54d9a97fa3ebc38c17e0d68839629ad848fee9b09d449f52ccad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84827e8437d54d9a97fa3ebc38c17e0d68839629ad848fee9b09d449f52ccad1", kill_on_drop: false }`
[INFO] [stdout] 84827e8437d54d9a97fa3ebc38c17e0d68839629ad848fee9b09d449f52ccad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21117966478797c2c6a2be4be5b713eb8d12002457fd84bd5e8cc290baf242a
[INFO] running `Command { std: "docker" "start" "-a" "f21117966478797c2c6a2be4be5b713eb8d12002457fd84bd5e8cc290baf242a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling mylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Entry`
[INFO] [stdout]  --> src/codegen/mod.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::{Entry, HashMap};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/codegen/mod.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             try!(writer.write(&buf));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/codegen/gen.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn gen(&self, &mut Context) -> Result<Vec<Instruction>, Error>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Operation`
[INFO] [stdout]    --> src/codegen/gen.rs:326:51
[INFO] [stdout]     |
[INFO] [stdout] 326 |     use super::super::super::parser::{Atom, Expr, Operation, Type};
[INFO] [stdout]     |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Lines`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer/mod.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(r.read_to_string(&mut contents));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:194:32
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   '0'...'9' => self.lex_const(true),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:300:20
[INFO] [stdout]     |
[INFO] [stdout] 300 |                 '0'...'9' => self.lex_const(false),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:301:20
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 'A'...'Z' | 'a'...'z' => self.lex_ident(),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:301:32
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 'A'...'Z' | 'a'...'z' => self.lex_ident(),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:338:20
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 '0'...'9' => val.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:339:20
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 'A'...'Z' | 'a'...'z' => return Err(ErrorVariant::UnknownCharacter),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:354:20
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:354:32
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:354:44
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => ident.push(self.chars.next().unwrap()),
[INFO] [stdout]     |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(write!(f, r#"Function {:?} ( "#, self.name));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             try!(write!(f, r"{:?} {:?} ", param.typ, param.name));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Keyword` and `TokenAt`
[INFO] [stdout]  --> src/parser/expr.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Delimiter, Keyword, Operator, Token, TokenAt};
[INFO] [stdout]   |                        ^^^^^^^                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut machine = vm::Machine::new(&bytes);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Err((t, e)) => {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/codegen/mod.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     funcs.sort_by(|a, b| if a.name == "main" {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/codegen/gen.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 for a in args.iter() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/codegen/gen.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn typ(&self, ctx: &mut Context) -> Result<Type, Error> {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lexer/mod.rs:278:31
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         Some(&c) => Err(ErrorVariant::Expected('&')),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lexer/mod.rs:290:31
[INFO] [stdout]     |
[INFO] [stdout] 290 |                         Some(&c) => Err(ErrorVariant::Expected('|')),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/lexer/mod.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 c => return Err((tokens, self.error(ErrorVariant::UnknownCharacter))),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remain`
[INFO] [stdout]    --> src/parser/mod.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |             (None, remain) => return Err(()),
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_symbol` is never used
[INFO] [stdout]    --> src/codegen/mod.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl<'a> Context<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn push_symbol(&mut self, symbol: Symbol) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             write!(stderr(), "Usage: ./mylang [filename]");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = write!(stderr(), "Usage: ./mylang [filename]");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             write!(stderr(), "Error while opening {}: {}", filename, e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let _ = write!(stderr(), "Error while opening {}: {}", filename, e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             write!(stderr(), "Lexer I/O error: {:?}", e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let _ = write!(stderr(), "Lexer I/O error: {:?}", e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             write!(stderr(), "{}", e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = write!(stderr(), "{}", e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             write!(stderr(), "Syntax error.");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let _ = write!(stderr(), "Syntax error.");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(stderr(), "{:?}", e);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let _ = write!(stderr(), "{:?}", e);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser/mod.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         write!(f, ")\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = write!(f, ")\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         write!(f, "{:#?}\n", self.block);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = write!(f, "{:#?}\n", self.block);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parser/expr.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `lexer::Operator` does not implement `Clone`, so calling `clone` on `&lexer::Operator` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 53 -             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout] 53 +             Some(&Token::Op(ref o)) => o,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `lexer::Operator`, implement `Clone` for it
[INFO] [stdout]   --> src/lexer/mod.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 + #[derive(Clone)]
[INFO] [stdout] 69 | pub enum Operator {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parser/expr.rs:82:41
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `lexer::Operator` does not implement `Clone`, so calling `clone` on `&lexer::Operator` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 82 -             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stdout] 82 +             Some(&Token::Op(ref o)) => o,
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `lexer::Operator`, implement `Clone` for it
[INFO] [stdout]   --> src/lexer/mod.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 + #[derive(Clone)]
[INFO] [stdout] 69 | pub enum Operator {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "f21117966478797c2c6a2be4be5b713eb8d12002457fd84bd5e8cc290baf242a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21117966478797c2c6a2be4be5b713eb8d12002457fd84bd5e8cc290baf242a", kill_on_drop: false }`
[INFO] [stdout] f21117966478797c2c6a2be4be5b713eb8d12002457fd84bd5e8cc290baf242a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ce437e28407c1009ebae21e086d6613ddf4d4e68ec6286f85d69faf1a63b1d0
[INFO] running `Command { std: "docker" "start" "-a" "3ce437e28407c1009ebae21e086d6613ddf4d4e68ec6286f85d69faf1a63b1d0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/codegen/gen.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn gen(&self, &mut Context) -> Result<Vec<Instruction>, Error>;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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: use of deprecated macro `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: `...` 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 imports: `Keyword` and `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: 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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: `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: `ctx`
[INFO] [stderr]    --> src/codegen/gen.rs:254:19
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn typ(&self, ctx: &mut Context) -> Result<Type, Error> {
[INFO] [stderr]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[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: method `push_symbol` is never used
[INFO] [stderr]    --> src/codegen/mod.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr]  87 | impl<'a> Context<'a> {
[INFO] [stderr]     | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 136 |     fn push_symbol(&mut self, symbol: Symbol) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 21 |             let _ = write!(stderr(), "Usage: ./mylang [filename]");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let _ = write!(stderr(), "Error while opening {}: {}", filename, e);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let _ = write!(stderr(), "Lexer I/O error: {:?}", e);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let _ = write!(stderr(), "{}", e);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let _ = write!(stderr(), "Syntax error.");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let _ = write!(stderr(), "{:?}", e);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let _ = write!(f, ")\n");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let _ = write!(f, "{:#?}\n", self.block);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/parser/expr.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stderr]    |                                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `lexer::Operator` does not implement `Clone`, so calling `clone` on `&lexer::Operator` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr] 53 -             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stderr] 53 +             Some(&Token::Op(ref o)) => o,
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to clone `lexer::Operator`, implement `Clone` for it
[INFO] [stderr]   --> src/lexer/mod.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 + #[derive(Clone)]
[INFO] [stderr] 69 | pub enum Operator {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/parser/expr.rs:82:41
[INFO] [stderr]    |
[INFO] [stderr] 82 |             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stderr]    |                                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `lexer::Operator` does not implement `Clone`, so calling `clone` on `&lexer::Operator` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr] 82 -             Some(&Token::Op(ref o)) => o.clone(),
[INFO] [stderr] 82 +             Some(&Token::Op(ref o)) => o,
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to clone `lexer::Operator`, implement `Clone` for it
[INFO] [stderr]   --> src/lexer/mod.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 + #[derive(Clone)]
[INFO] [stderr] 69 | pub enum Operator {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mylang` (bin "mylang" test) generated 39 warnings (run `cargo fix --bin "mylang" -p mylang --tests` to apply 26 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mylang-b8045d4d186cd6e0)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test codegen::test::test_gen_stmt_block ... ok
[INFO] [stdout] test codegen::test::test_gen_stmt_decl ... ok
[INFO] [stdout] test codegen::test::test_decode ... ok
[INFO] [stdout] test codegen::test::test_encode ... ok
[INFO] [stdout] test codegen::gen::test::test_expr_typed ... ok
[INFO] [stdout] test codegen::test::test_gen_stmt_if ... ok
[INFO] [stdout] test codegen::test::test_gen_stmt_while ... ok
[INFO] [stdout] test codegen::test::test_gen_fncall ... ok
[INFO] [stdout] test codegen::test::test_gen_stmt_expr ... ok
[INFO] [stdout] test codegen::test::test_gen_stmt_assign ... ok
[INFO] [stdout] test codegen::test::test_gen_stmt_return ... ok
[INFO] [stdout] test codegen::test::test_integration ... ok
[INFO] [stdout] test lexer::test::test_lex_op ... ok
[INFO] [stdout] test lexer::test::test_lex_line_comment ... ok
[INFO] [stdout] test lexer::test::test_lex_delimiters ... ok
[INFO] [stdout] test parser::test::test_parse ... ok
[INFO] [stdout] test lexer::test::test_lex_multiline_comment ... ok
[INFO] [stdout] test codegen::test::test_symbol_stack ... ok
[INFO] [stdout] test codegen::test::test_program_encode ... ok
[INFO] [stdout] test lexer::test::test_lex_const ... ok
[INFO] [stdout] test codegen::test::test_gen_expr ... ok
[INFO] [stdout] test codegen::test::test_opcode ... ok
[INFO] [stdout] test lexer::test::test_lex_multiline_comment_no_end ... ok
[INFO] [stdout] test lexer::test::test_lex_str ... ok
[INFO] [stdout] test parser::test::test_parse_assignstmt ... ok
[INFO] [stdout] test lexer::test::test_lexer_errors ... ok
[INFO] [stdout] test parser::test::test_parse_break ... ok
[INFO] [stdout] test parser::test::test_parse_comparison ... ok
[INFO] [stdout] test parser::test::test_parse_declstmt ... ok
[INFO] [stdout] test parser::test::test_parse_fn ... 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_ifstmt ... ok
[INFO] [stdout] test lexer::test::test_lex_ident ... ok
[INFO] [stdout] test parser::test::test_parse_sum ... ok
[INFO] [stdout] test lexer::test::test_lex_keyword ... ok
[INFO] [stdout] test parser::test::test_parse_whilestmt ... ok
[INFO] [stdout] test parser::test::test_parse_block ... ok
[INFO] [stdout] test vm::test::test_arithmetic ... ok
[INFO] [stdout] test vm::test::test_eq ... ok
[INFO] [stdout] test vm::test::test_jmp ... ok
[INFO] [stdout] test vm::test::test_jmpz ... ok
[INFO] [stdout] test parser::test::test_parse_stmt ... ok
[INFO] [stdout] test parser::test::test_parse_atom ... ok
[INFO] [stdout] test vm::test::test_neq ... ok
[INFO] [stdout] test vm::test::test_vm_call ... ok
[INFO] [stdout] test vm::test::test_vm_retw ... ok
[INFO] [stdout] test vm::test::test_vm_push_pop ... ok
[INFO] [stdout] test codegen::test::test_typed ... 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] 
[INFO] [stdout] thread 'vm::test::test_vm_ret' (73) panicked at src/vm/test.rs:64:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0
[INFO] [stdout]  right: 57005
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cac08fed8c2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5cac08fed8c2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5cac08fed8c2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5cac08fed8c2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5cac090024fa - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5cac090024fa - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5cac08ff26f6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5cac08ff26f6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5cac08fcbd8f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5cac08fcbd8f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5cac08fe5ba9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5cac08f814ae - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5cac08f814ae - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5cac08fe5d62 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5cac08fe5d62 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5cac08fcbe48 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5cac08fc3819 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5cac08fccc9d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5cac09002c0c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5cac09002ac3 - core[c5ed12ab89cc536a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5cac08ffec32 - core[c5ed12ab89cc536a]::panicking::assert_failed::<u64, u64>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5cac08f4de83 - mylang[b616292982c8cb0d]::vm::test::test_vm_ret
[INFO] [stdout]                                at /opt/rustwide/workdir/src/vm/test.rs:64:5
[INFO] [stdout]   22:     0x5cac08f4c407 - mylang[b616292982c8cb0d]::vm::test::test_vm_ret::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/vm/test.rs:56:17
[INFO] [stdout]   23:     0x5cac08f65b86 - <mylang[b616292982c8cb0d]::vm::test::test_vm_ret::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5cac08f7585b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5cac08f7585b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5cac08f820ba - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5cac08f820ba - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5cac08f820ba - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5cac08f820ba - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5cac08f820ba - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5cac08f820ba - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5cac08f820ba - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5cac08f7c584 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5cac08f7c584 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5cac08f84bb2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5cac08f84bb2 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5cac08f84bb2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5cac08f84bb2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5cac08f84bb2 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5cac08f84bb2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5cac08f84bb2 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5cac08fed16f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5cac08fed16f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x720c28218aa4 - <unknown>
[INFO] [stdout]   45:     0x720c282a5a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[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; finished in 0.26s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin mylang`
[INFO] running `Command { std: "docker" "inspect" "3ce437e28407c1009ebae21e086d6613ddf4d4e68ec6286f85d69faf1a63b1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce437e28407c1009ebae21e086d6613ddf4d4e68ec6286f85d69faf1a63b1d0", kill_on_drop: false }`
[INFO] [stdout] 3ce437e28407c1009ebae21e086d6613ddf4d4e68ec6286f85d69faf1a63b1d0
