[INFO] fetching crate do-with-in-internal-macros 0.1.6...
[INFO] checking do-with-in-internal-macros-0.1.6 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate do-with-in-internal-macros 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate do-with-in-internal-macros 0.1.6
[INFO] finished tweaking crates.io crate do-with-in-internal-macros 0.1.6
[INFO] tweaked toml for crates.io crate do-with-in-internal-macros 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate do-with-in-internal-macros 0.1.6 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded do-with-in-base v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b417e0ca030a549c7f693acc2873b9079da4f703cc6ce5c223c6315419452f3
[INFO] running `Command { std: "docker" "start" "-a" "8b417e0ca030a549c7f693acc2873b9079da4f703cc6ce5c223c6315419452f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b417e0ca030a549c7f693acc2873b9079da4f703cc6ce5c223c6315419452f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b417e0ca030a549c7f693acc2873b9079da4f703cc6ce5c223c6315419452f3", kill_on_drop: false }`
[INFO] [stdout] 8b417e0ca030a549c7f693acc2873b9079da4f703cc6ce5c223c6315419452f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 334cedd05c91854007de47604f2f3d107585026fb998997899d35efbcb5c06bc
[INFO] running `Command { std: "docker" "start" "-a" "334cedd05c91854007de47604f2f3d107585026fb998997899d35efbcb5c06bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking do-with-in-base v0.1.6
[INFO] [stderr]     Checking do-with-in-internal-macros v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate quote;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenTree`
[INFO] [stdout]  --> src/lib.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro::{TokenStream, TokenTree};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::ToTokens`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use quote::ToTokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `PathSegment`, `Token`, and `parse`
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::{parse, Attribute, PathSegment, Result, Token};
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^^  ^^^^^^^^^^^          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser` and `Peek`
[INFO] [stdout]   --> src/lib.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 | use syn::parse::{Parse, ParseStream, Parser, Peek};
[INFO] [stdout]    |                                      ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syn::spanned::Spanned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Ident`, `Type`, and `Visibility`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use syn::{Expr, Ident, Type, Visibility};
[INFO] [stdout]    |           ^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use syn::punctuated::Punctuated;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parenthesized`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use syn::parenthesized;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Token`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use syn::token::Token;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::buffer::Cursor`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use syn::buffer::Cursor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_prelude`
[INFO] [stdout]    --> src/lib.rs:130:11
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let mut has_prelude = true;
[INFO] [stdout]     |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_prelude`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `postlude_marker`
[INFO] [stdout]    --> src/lib.rs:131:11
[INFO] [stdout]     |
[INFO] [stdout] 131 |   let mut postlude_marker = quote!{DoMarker};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_postlude_marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigil`
[INFO] [stdout]    --> src/lib.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let mut sigil = default_sigil.clone();
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_sigil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:135:7
[INFO] [stdout]     |
[INFO] [stdout] 135 |   let a: TokenStream2 = attr.into();
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:130:7
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let mut has_prelude = true;
[INFO] [stdout]     |       ----^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 |   let mut postlude_marker = quote!{DoMarker};
[INFO] [stdout]     |       ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 |   let mut default_sigil = default_default.clone();
[INFO] [stdout]     |       ----^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let mut sigil = default_sigil.clone();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fatuous` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Fatuous {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     input.step(|cursor| {
[INFO] [stdout] 35 | |       let mut rest = *cursor;
[INFO] [stdout] 36 | |       while let Some((tt, next)) = rest.token_tree() {
[INFO] [stdout] 37 | |         fat.extend(TokenStream2::from(tt).into_iter());
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |       Ok(((), rest))
[INFO] [stdout] 41 | |     });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = input.step(|cursor| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate quote;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenTree`
[INFO] [stdout]  --> src/lib.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro::{TokenStream, TokenTree};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::ToTokens`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use quote::ToTokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `PathSegment`, `Token`, and `parse`
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::{parse, Attribute, PathSegment, Result, Token};
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^^  ^^^^^^^^^^^          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser` and `Peek`
[INFO] [stdout]   --> src/lib.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 | use syn::parse::{Parse, ParseStream, Parser, Peek};
[INFO] [stdout]    |                                      ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syn::spanned::Spanned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Ident`, `Type`, and `Visibility`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use syn::{Expr, Ident, Type, Visibility};
[INFO] [stdout]    |           ^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use syn::punctuated::Punctuated;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parenthesized`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use syn::parenthesized;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Token`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use syn::token::Token;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::buffer::Cursor`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use syn::buffer::Cursor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_prelude`
[INFO] [stdout]    --> src/lib.rs:130:11
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let mut has_prelude = true;
[INFO] [stdout]     |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_prelude`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `postlude_marker`
[INFO] [stdout]    --> src/lib.rs:131:11
[INFO] [stdout]     |
[INFO] [stdout] 131 |   let mut postlude_marker = quote!{DoMarker};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_postlude_marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigil`
[INFO] [stdout]    --> src/lib.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let mut sigil = default_sigil.clone();
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_sigil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:135:7
[INFO] [stdout]     |
[INFO] [stdout] 135 |   let a: TokenStream2 = attr.into();
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:130:7
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let mut has_prelude = true;
[INFO] [stdout]     |       ----^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 |   let mut postlude_marker = quote!{DoMarker};
[INFO] [stdout]     |       ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 |   let mut default_sigil = default_default.clone();
[INFO] [stdout]     |       ----^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let mut sigil = default_sigil.clone();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fatuous` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Fatuous {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     input.step(|cursor| {
[INFO] [stdout] 35 | |       let mut rest = *cursor;
[INFO] [stdout] 36 | |       while let Some((tt, next)) = rest.token_tree() {
[INFO] [stdout] 37 | |         fat.extend(TokenStream2::from(tt).into_iter());
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |       Ok(((), rest))
[INFO] [stdout] 41 | |     });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = input.step(|cursor| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate quote;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenTree`
[INFO] [stdout]  --> src/lib.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro::{TokenStream, TokenTree};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::ToTokens`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use quote::ToTokens;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `PathSegment`, `Token`, and `parse`
[INFO] [stdout]   --> src/lib.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::{parse, Attribute, PathSegment, Result, Token};
[INFO] [stdout]    |           ^^^^^  ^^^^^^^^^  ^^^^^^^^^^^          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser` and `Peek`
[INFO] [stdout]   --> src/lib.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 | use syn::parse::{Parse, ParseStream, Parser, Peek};
[INFO] [stdout]    |                                      ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syn::spanned::Spanned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Ident`, `Type`, and `Visibility`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use syn::{Expr, Ident, Type, Visibility};
[INFO] [stdout]    |           ^^^^  ^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use syn::punctuated::Punctuated;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parenthesized`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use syn::parenthesized;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Token`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use syn::token::Token;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::buffer::Cursor`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use syn::buffer::Cursor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::marker::PhantomData;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_prelude`
[INFO] [stdout]    --> src/lib.rs:130:11
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let mut has_prelude = true;
[INFO] [stdout]     |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_prelude`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `postlude_marker`
[INFO] [stdout]    --> src/lib.rs:131:11
[INFO] [stdout]     |
[INFO] [stdout] 131 |   let mut postlude_marker = quote!{DoMarker};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_postlude_marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sigil`
[INFO] [stdout]    --> src/lib.rs:134:11
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let mut sigil = default_sigil.clone();
[INFO] [stdout]     |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_sigil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:135:7
[INFO] [stdout]     |
[INFO] [stdout] 135 |   let a: TokenStream2 = attr.into();
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:130:7
[INFO] [stdout]     |
[INFO] [stdout] 130 |   let mut has_prelude = true;
[INFO] [stdout]     |       ----^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 |   let mut postlude_marker = quote!{DoMarker};
[INFO] [stdout]     |       ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 |   let mut default_sigil = default_default.clone();
[INFO] [stdout]     |       ----^^^^^^^^^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 |   let mut sigil = default_sigil.clone();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fatuous` is never constructed
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Fatuous {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     input.step(|cursor| {
[INFO] [stdout] 35 | |       let mut rest = *cursor;
[INFO] [stdout] 36 | |       while let Some((tt, next)) = rest.token_tree() {
[INFO] [stdout] 37 | |         fat.extend(TokenStream2::from(tt).into_iter());
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |       Ok(((), rest))
[INFO] [stdout] 41 | |     });
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = input.step(|cursor| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/import.$"
[INFO] [stdout]    --> tests/do_with_in_test.rs:642:7
[INFO] [stdout]     |
[INFO] [stdout] 642 |     $(import "import.$")
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: b defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:643:10
[INFO] [stdout]     |
[INFO] [stdout] 643 |     let $b = $a;
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: a defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:643:15
[INFO] [stdout]     |
[INFO] [stdout] 643 |     let $b = $a;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/import.$"
[INFO] [stdout]    --> tests/do_with_in_test.rs:654:7
[INFO] [stdout]     |
[INFO] [stdout] 654 |     $(import "import.$")
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/import.%"
[INFO] [stdout]    --> tests/do_with_in_test.rs:655:21
[INFO] [stdout]     |
[INFO] [stdout] 655 |     $(withSigil % %(import "import.%"))
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: b defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:656:10
[INFO] [stdout]     |
[INFO] [stdout] 656 |     let $b = $a;
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: a defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:656:15
[INFO] [stdout]     |
[INFO] [stdout] 656 |     let $b = $a;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: s defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:657:10
[INFO] [stdout]     |
[INFO] [stdout] 657 |     let $s = $r;
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: r defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:657:15
[INFO] [stdout]     |
[INFO] [stdout] 657 |     let $s = $r;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/import.$"
[INFO] [stdout]    --> tests/do_with_in_test.rs:668:7
[INFO] [stdout]     |
[INFO] [stdout] 668 |     $(import Base "do_with_in_internal_macros" "tests" "import.$")
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: b defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:670:10
[INFO] [stdout]     |
[INFO] [stdout] 670 |     let $b = $a;
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: a defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:670:15
[INFO] [stdout]     |
[INFO] [stdout] 670 |     let $b = $a;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "import_base_test.$"
[INFO] [stdout]    --> tests/do_with_in_test.rs:680:7
[INFO] [stdout]     |
[INFO] [stdout] 680 |     $(import Base "import_base_test.$")
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: b defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:682:10
[INFO] [stdout]     |
[INFO] [stdout] 682 |     let $b = $a;
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: a defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:682:15
[INFO] [stdout]     |
[INFO] [stdout] 682 |     let $b = $a;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "import_base_test2.$"
[INFO] [stdout]    --> tests/do_with_in_test.rs:692:7
[INFO] [stdout]     |
[INFO] [stdout] 692 |     $(import Base "import_base_test2.$")
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: z defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:693:10
[INFO] [stdout]     |
[INFO] [stdout] 693 |     let $z = $c;
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: No such variable: c defined.
[INFO] [stdout]    --> tests/do_with_in_test.rs:693:15
[INFO] [stdout]     |
[INFO] [stdout] 693 |     let $z = $c;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/do_with_in_test.rs"
[INFO] [stdout]    --> tests/do_with_in_test.rs:748:7
[INFO] [stdout]     |
[INFO] [stdout] 748 |     $(runMarkers Base "do_with_in_internal_macros" "tests" "do_with_in_test.rs")
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/do_with_in_test.rs"
[INFO] [stdout]    --> tests/do_with_in_test.rs:749:7
[INFO] [stdout]     |
[INFO] [stdout] 749 |     $(runMarkers Base "do_with_in_internal_macros" "tests" "do_with_in_test.rs" => "foo")
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/do_with_in_test.rs"
[INFO] [stdout]    --> tests/do_with_in_test.rs:888:7
[INFO] [stdout]     |
[INFO] [stdout] 888 |     $(runMarkers Base "do_with_in_internal_macros" "tests" "do_with_in_test.rs")
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Undefined handler referenced: foo
[INFO] [stdout]        List of all known handlers: , "let", "unquote", "var", "string_to_ident", "quote", "run", "concat", "array", "import", "marker", "withSigil", "if", "runMarkers", "arithmetic", "logic", "escape", "naiveStringifier", "mk", "unescape", "fn"
[INFO] [stdout]    --> tests/do_with_in_test.rs:889:6
[INFO] [stdout]     |
[INFO] [stdout] 889 |     $(foo g 2)
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/do_with_in_test.rs"
[INFO] [stdout]    --> tests/do_with_in_test.rs:899:7
[INFO] [stdout]     |
[INFO] [stdout] 899 |     $(runMarkers Base "do_with_in_internal_macros" "tests" "do_with_in_test.rs" => "first test")
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Undefined handler referenced: foo
[INFO] [stdout]        List of all known handlers: , "array", "withSigil", "arithmetic", "logic", "naiveStringifier", "mk", "if", "unescape", "quote", "escape", "run", "import", "let", "concat", "string_to_ident", "unquote", "runMarkers", "fn", "marker", "var"
[INFO] [stdout]    --> tests/do_with_in_test.rs:900:6
[INFO] [stdout]     |
[INFO] [stdout] 900 |     $(foo g 2)
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Failure to import; got error: No such file or directory (os error 2)
[INFO] [stdout]         Could not open file: "do_with_in_internal_macros/tests/do_with_in_test.rs"
[INFO] [stdout]    --> tests/do_with_in_test.rs:910:7
[INFO] [stdout]     |
[INFO] [stdout] 910 |     $(runMarkers Base "do_with_in_internal_macros" "tests" "do_with_in_test.rs" => "second test")
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Undefined handler referenced: foo
[INFO] [stdout]        List of all known handlers: , "array", "string_to_ident", "unescape", "import", "marker", "escape", "let", "unquote", "runMarkers", "mk", "var", "fn", "concat", "run", "quote", "arithmetic", "withSigil", "naiveStringifier", "logic", "if"
[INFO] [stdout]    --> tests/do_with_in_test.rs:911:6
[INFO] [stdout]     |
[INFO] [stdout] 911 |     $(foo g 2)
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:645:14
[INFO] [stdout]     |
[INFO] [stdout] 645 |   assert_eq!(c, 1);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:659:14
[INFO] [stdout]     |
[INFO] [stdout] 659 |   assert_eq!(c, 1);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `a` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:660:14
[INFO] [stdout]     |
[INFO] [stdout] 660 |   assert_eq!(a, 1);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:672:14
[INFO] [stdout]     |
[INFO] [stdout] 672 |   assert_eq!(c, 1);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `c` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:684:14
[INFO] [stdout]     |
[INFO] [stdout] 684 |   assert_eq!(c, 1);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `twelve` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:695:14
[INFO] [stdout]     |
[INFO] [stdout] 695 |   assert_eq!(twelve, 12);
[INFO] [stdout]     |              ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `g` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:891:14
[INFO] [stdout]     |
[INFO] [stdout] 891 |   assert_eq!(g, 6);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `g` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:902:14
[INFO] [stdout]     |
[INFO] [stdout] 902 |   assert_eq!(g, 8);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `g` in this scope
[INFO] [stdout]    --> tests/do_with_in_test.rs:913:14
[INFO] [stdout]     |
[INFO] [stdout] 913 |   assert_eq!(g, 7);
[INFO] [stdout]     |              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/do_with_in_test.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     x = %foo;
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/do_with_in_test.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 |     $(var x = {$(concat "foo" "_" $i)});
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> tests/do_with_in_test.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |   do_with_in!(do let foo = 3; );
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> tests/do_with_in_test.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |   let mut x = 3;
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> tests/do_with_in_test.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |   let mut x = 3;
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> tests/do_with_in_test.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |   let mut x = 3;
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> tests/do_with_in_test.rs:829:23
[INFO] [stdout]     |
[INFO] [stdout] 829 |         $(stall AddU {len, l, r, out} {{[l] [r]}})
[INFO] [stdout]     |                       ^^^ help: try ignoring the field: `len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> tests/do_with_in_test.rs:829:34
[INFO] [stdout]     |
[INFO] [stdout] 829 |         $(stall AddU {len, l, r, out} {{[l] [r]}})
[INFO] [stdout]     |                                  ^^^ help: try ignoring the field: `out: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/do_with_in_test.rs:811:15
[INFO] [stdout]     |
[INFO] [stdout] 811 |           let mut blocked: Vec<Addr> = Vec::new();
[INFO] [stdout]     |               ----^^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> tests/do_with_in_test.rs:849:13
[INFO] [stdout]     |
[INFO] [stdout] 849 |     let mut g = 4;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/do_with_in_test.rs:854:26
[INFO] [stdout]     |
[INFO] [stdout] 854 |     $(blah {$(simple let f mut)} g d);
[INFO] [stdout]     |                          ^ help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `do-with-in-internal-macros` (test "do_with_in_test") due to 35 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "334cedd05c91854007de47604f2f3d107585026fb998997899d35efbcb5c06bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334cedd05c91854007de47604f2f3d107585026fb998997899d35efbcb5c06bc", kill_on_drop: false }`
[INFO] [stdout] 334cedd05c91854007de47604f2f3d107585026fb998997899d35efbcb5c06bc