[INFO] cloning repository https://github.com/poscat0x04/nixjs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poscat0x04/nixjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fposcat0x04%2Fnixjs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fposcat0x04%2Fnixjs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cb1eef39cb31447c4667830c52b2d76f0f2b1a2
[INFO] testing poscat0x04/nixjs against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fposcat0x04%2Fnixjs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/poscat0x04/nixjs
[INFO] finished tweaking git repo https://github.com/poscat0x04/nixjs
[INFO] tweaked toml for git repo https://github.com/poscat0x04/nixjs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/poscat0x04/nixjs on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/poscat0x04/nixjs 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/oxalica/nil`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded countme v3.0.1
[INFO] [stderr]   Downloaded rowan v0.15.15
[INFO] [stderr]   Downloaded text-size v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b0477bb55b9eb0fe117eb40135a4f6d7683d9b8c116a880fad089632759416
[INFO] running `Command { std: "docker" "start" "-a" "e6b0477bb55b9eb0fe117eb40135a4f6d7683d9b8c116a880fad089632759416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b0477bb55b9eb0fe117eb40135a4f6d7683d9b8c116a880fad089632759416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b0477bb55b9eb0fe117eb40135a4f6d7683d9b8c116a880fad089632759416", kill_on_drop: false }`
[INFO] [stdout] e6b0477bb55b9eb0fe117eb40135a4f6d7683d9b8c116a880fad089632759416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c0a158f5f18d75aea8eebbdb5d6bbfda9707801e544ba71ce5f508bb7ba934
[INFO] running `Command { std: "docker" "start" "-a" "28c0a158f5f18d75aea8eebbdb5d6bbfda9707801e544ba71ce5f508bb7ba934", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling rowan v0.15.15
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling syntax v0.0.0 (https://github.com/oxalica/nil#ab3ddb8f)
[INFO] [stderr]    Compiling nixjs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/codegen.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{write, Write};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AstNode`
[INFO] [stdout]  --> src/codegen.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ast::{AstNode, HasBindings};
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/codegen.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut assign_attr = |name: &str, expr: &ast::Expr| {
[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: `assign_attr`
[INFO] [stdout]   --> src/codegen.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut assign_attr = |name: &str, expr: &ast::Expr| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assign_attr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dynamic`
[INFO] [stdout]   --> src/codegen.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 |                         ast::Attr::Dynamic(dynamic) => {
[INFO] [stdout]    |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dynamic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/codegen.rs:83:43
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         ast::Attr::String(string) => {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:87:41
[INFO] [stdout]    |
[INFO] [stdout] 87 |                         ast::Attr::Name(name) => {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/codegen.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let value = attrpath_value.value().unwrap();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_attr`
[INFO] [stdout]    --> src/codegen.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:170:38
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_string`
[INFO] [stdout]    --> src/codegen.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:184:53
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lambda`
[INFO] [stdout]    --> src/codegen.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stdout]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambda`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `let_in`
[INFO] [stdout]    --> src/codegen.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stdout]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_let_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_interpolation`
[INFO] [stdout]    --> src/codegen.rs:215:23
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_interpolation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:215:68
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ref_`
[INFO] [stdout]    --> src/codegen.rs:219:14
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_ref_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:219:31
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `select`
[INFO] [stdout]    --> src/codegen.rs:223:11
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stdout]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_select`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:223:33
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]    --> src/codegen.rs:227:11
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:227:30
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unary_op`
[INFO] [stdout]    --> src/codegen.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unary_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:231:38
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with`
[INFO] [stdout]    --> src/codegen.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_with`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:235:27
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `codegen` is never used
[INFO] [stdout]   --> src/codegen.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn codegen(expr: &ast::Expr) -> String {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply` is never used
[INFO] [stdout]   --> src/codegen.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn apply(apply: &ast::Apply, buf: &mut String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert` is never used
[INFO] [stdout]   --> src/codegen.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn assert(assert: &ast::Assert, buf: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attr` is never used
[INFO] [stdout]   --> src/codegen.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn attr(attr: &ast::Attr, buf: &mut String) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attrset` is never used
[INFO] [stdout]   --> src/codegen.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn attrset(attrset: &ast::AttrSet, buf: &mut String) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_op` is never used
[INFO] [stdout]    --> src/codegen.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn binary_op(bin_op: &ast::BinaryOp, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_attr` is never used
[INFO] [stdout]    --> src/codegen.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_then_else` is never used
[INFO] [stdout]    --> src/codegen.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn if_then_else(if_then_else: &ast::IfThenElse, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indent_string` is never used
[INFO] [stdout]    --> src/codegen.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lambda` is never used
[INFO] [stdout]    --> src/codegen.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `let_in` is never used
[INFO] [stdout]    --> src/codegen.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list` is never used
[INFO] [stdout]    --> src/codegen.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn list(list: &ast::List, buf: &mut String) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literal` is never used
[INFO] [stdout]    --> src/codegen.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn literal(lit: &ast::Literal, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_interpolation` is never used
[INFO] [stdout]    --> src/codegen.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reference` is never used
[INFO] [stdout]    --> src/codegen.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select` is never used
[INFO] [stdout]    --> src/codegen.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]    --> src/codegen.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unary_op` is never used
[INFO] [stdout]    --> src/codegen.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with` is never used
[INFO] [stdout]    --> src/codegen.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `codegen_helper` is never used
[INFO] [stdout]    --> src/codegen.rs:239:4
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn codegen_helper(expr: &ast::Expr, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "28c0a158f5f18d75aea8eebbdb5d6bbfda9707801e544ba71ce5f508bb7ba934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c0a158f5f18d75aea8eebbdb5d6bbfda9707801e544ba71ce5f508bb7ba934", kill_on_drop: false }`
[INFO] [stdout] 28c0a158f5f18d75aea8eebbdb5d6bbfda9707801e544ba71ce5f508bb7ba934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f6a7c49ffbdafc8f5f355919546342cf2376fafd0ea0adbed0166e3497adf5c
[INFO] running `Command { std: "docker" "start" "-a" "6f6a7c49ffbdafc8f5f355919546342cf2376fafd0ea0adbed0166e3497adf5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nixjs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/codegen.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{write, Write};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AstNode`
[INFO] [stdout]  --> src/codegen.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ast::{AstNode, HasBindings};
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/codegen.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut assign_attr = |name: &str, expr: &ast::Expr| {
[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: `assign_attr`
[INFO] [stdout]   --> src/codegen.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut assign_attr = |name: &str, expr: &ast::Expr| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assign_attr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dynamic`
[INFO] [stdout]   --> src/codegen.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 |                         ast::Attr::Dynamic(dynamic) => {
[INFO] [stdout]    |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dynamic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/codegen.rs:83:43
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         ast::Attr::String(string) => {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:87:41
[INFO] [stdout]    |
[INFO] [stdout] 87 |                         ast::Attr::Name(name) => {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/codegen.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let value = attrpath_value.value().unwrap();
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_attr`
[INFO] [stdout]    --> src/codegen.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_attr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:170:38
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_string`
[INFO] [stdout]    --> src/codegen.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:184:53
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lambda`
[INFO] [stdout]    --> src/codegen.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stdout]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambda`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `let_in`
[INFO] [stdout]    --> src/codegen.rs:192:11
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stdout]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_let_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path_interpolation`
[INFO] [stdout]    --> src/codegen.rs:215:23
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_interpolation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:215:68
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stdout]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ref_`
[INFO] [stdout]    --> src/codegen.rs:219:14
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_ref_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:219:31
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `select`
[INFO] [stdout]    --> src/codegen.rs:223:11
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stdout]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_select`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:223:33
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]    --> src/codegen.rs:227:11
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:227:30
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unary_op`
[INFO] [stdout]    --> src/codegen.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unary_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:231:38
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `with`
[INFO] [stdout]    --> src/codegen.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_with`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/codegen.rs:235:27
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `codegen` is never used
[INFO] [stdout]   --> src/codegen.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn codegen(expr: &ast::Expr) -> String {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply` is never used
[INFO] [stdout]   --> src/codegen.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn apply(apply: &ast::Apply, buf: &mut String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert` is never used
[INFO] [stdout]   --> src/codegen.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn assert(assert: &ast::Assert, buf: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attr` is never used
[INFO] [stdout]   --> src/codegen.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn attr(attr: &ast::Attr, buf: &mut String) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attrset` is never used
[INFO] [stdout]   --> src/codegen.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn attrset(attrset: &ast::AttrSet, buf: &mut String) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_op` is never used
[INFO] [stdout]    --> src/codegen.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn binary_op(bin_op: &ast::BinaryOp, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_attr` is never used
[INFO] [stdout]    --> src/codegen.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_then_else` is never used
[INFO] [stdout]    --> src/codegen.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn if_then_else(if_then_else: &ast::IfThenElse, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indent_string` is never used
[INFO] [stdout]    --> src/codegen.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lambda` is never used
[INFO] [stdout]    --> src/codegen.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `let_in` is never used
[INFO] [stdout]    --> src/codegen.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list` is never used
[INFO] [stdout]    --> src/codegen.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn list(list: &ast::List, buf: &mut String) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literal` is never used
[INFO] [stdout]    --> src/codegen.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn literal(lit: &ast::Literal, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_interpolation` is never used
[INFO] [stdout]    --> src/codegen.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reference` is never used
[INFO] [stdout]    --> src/codegen.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select` is never used
[INFO] [stdout]    --> src/codegen.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]    --> src/codegen.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unary_op` is never used
[INFO] [stdout]    --> src/codegen.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with` is never used
[INFO] [stdout]    --> src/codegen.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `codegen_helper` is never used
[INFO] [stdout]    --> src/codegen.rs:239:4
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn codegen_helper(expr: &ast::Expr, buf: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6f6a7c49ffbdafc8f5f355919546342cf2376fafd0ea0adbed0166e3497adf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6a7c49ffbdafc8f5f355919546342cf2376fafd0ea0adbed0166e3497adf5c", kill_on_drop: false }`
[INFO] [stdout] 6f6a7c49ffbdafc8f5f355919546342cf2376fafd0ea0adbed0166e3497adf5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c2c332fe9e6405e0c6ab37de87b109829291f3d4c86721b6d324e23390b6780
[INFO] running `Command { std: "docker" "start" "-a" "9c2c332fe9e6405e0c6ab37de87b109829291f3d4c86721b6d324e23390b6780", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/codegen.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{write, Write};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AstNode`
[INFO] [stderr]  --> src/codegen.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ast::{AstNode, HasBindings};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut assign_attr = |name: &str, expr: &ast::Expr| {
[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: `assign_attr`
[INFO] [stderr]   --> src/codegen.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut assign_attr = |name: &str, expr: &ast::Expr| {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assign_attr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dynamic`
[INFO] [stderr]   --> src/codegen.rs:80:44
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         ast::Attr::Dynamic(dynamic) => {
[INFO] [stderr]    |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dynamic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/codegen.rs:83:43
[INFO] [stderr]    |
[INFO] [stderr] 83 |                         ast::Attr::String(string) => {
[INFO] [stderr]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/codegen.rs:87:41
[INFO] [stderr]    |
[INFO] [stderr] 87 |                         ast::Attr::Name(name) => {
[INFO] [stderr]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/codegen.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let value = attrpath_value.value().unwrap();
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `has_attr`
[INFO] [stderr]    --> src/codegen.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_attr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:170:38
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indent_string`
[INFO] [stderr]    --> src/codegen.rs:184:18
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:184:53
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stderr]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lambda`
[INFO] [stderr]    --> src/codegen.rs:188:11
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stderr]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambda`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:188:33
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `let_in`
[INFO] [stderr]    --> src/codegen.rs:192:11
[INFO] [stderr]     |
[INFO] [stderr] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stderr]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_let_in`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:192:32
[INFO] [stderr]     |
[INFO] [stderr] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stderr]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path_interpolation`
[INFO] [stderr]    --> src/codegen.rs:215:23
[INFO] [stderr]     |
[INFO] [stderr] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_path_interpolation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:215:68
[INFO] [stderr]     |
[INFO] [stderr] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stderr]     |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ref_`
[INFO] [stderr]    --> src/codegen.rs:219:14
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stderr]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_ref_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:219:31
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `select`
[INFO] [stderr]    --> src/codegen.rs:223:11
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stderr]     |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_select`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:223:33
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]    --> src/codegen.rs:227:11
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stderr]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:227:30
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stderr]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unary_op`
[INFO] [stderr]    --> src/codegen.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unary_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:231:38
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `with`
[INFO] [stderr]    --> src/codegen.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_with`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/codegen.rs:235:27
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: function `codegen` is never used
[INFO] [stderr]   --> src/codegen.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn codegen(expr: &ast::Expr) -> String {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply` is never used
[INFO] [stderr]   --> src/codegen.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn apply(apply: &ast::Apply, buf: &mut String) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `assert` is never used
[INFO] [stderr]   --> src/codegen.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn assert(assert: &ast::Assert, buf: &mut String) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `attr` is never used
[INFO] [stderr]   --> src/codegen.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn attr(attr: &ast::Attr, buf: &mut String) {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `attrset` is never used
[INFO] [stderr]   --> src/codegen.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn attrset(attrset: &ast::AttrSet, buf: &mut String) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `binary_op` is never used
[INFO] [stderr]    --> src/codegen.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn binary_op(bin_op: &ast::BinaryOp, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `has_attr` is never used
[INFO] [stderr]    --> src/codegen.rs:170:4
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn has_attr(has_attr: &ast::HasAttr, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `if_then_else` is never used
[INFO] [stderr]    --> src/codegen.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn if_then_else(if_then_else: &ast::IfThenElse, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `indent_string` is never used
[INFO] [stderr]    --> src/codegen.rs:184:4
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn indent_string(indent_string: &ast::IndentString, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lambda` is never used
[INFO] [stderr]    --> src/codegen.rs:188:4
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn lambda(lambda: &ast::Lambda, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `let_in` is never used
[INFO] [stderr]    --> src/codegen.rs:192:4
[INFO] [stderr]     |
[INFO] [stderr] 192 | fn let_in(let_in: &ast::LetIn, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `list` is never used
[INFO] [stderr]    --> src/codegen.rs:196:4
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn list(list: &ast::List, buf: &mut String) {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `literal` is never used
[INFO] [stderr]    --> src/codegen.rs:205:4
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn literal(lit: &ast::Literal, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `path_interpolation` is never used
[INFO] [stderr]    --> src/codegen.rs:215:4
[INFO] [stderr]     |
[INFO] [stderr] 215 | fn path_interpolation(path_interpolation: &ast::PathInterpolation, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `reference` is never used
[INFO] [stderr]    --> src/codegen.rs:219:4
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn reference(ref_: &ast::Ref, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `select` is never used
[INFO] [stderr]    --> src/codegen.rs:223:4
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn select(select: &ast::Select, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `string` is never used
[INFO] [stderr]    --> src/codegen.rs:227:4
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn string(str: &ast::String, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unary_op` is never used
[INFO] [stderr]    --> src/codegen.rs:231:4
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn unary_op(unary_op: &ast::UnaryOp, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `with` is never used
[INFO] [stderr]    --> src/codegen.rs:235:4
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn with(with: &ast::With, buf: &mut String) {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `codegen_helper` is never used
[INFO] [stderr]    --> src/codegen.rs:239:4
[INFO] [stderr]     |
[INFO] [stderr] 239 | fn codegen_helper(expr: &ast::Expr, buf: &mut String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nixjs` (bin "nixjs" test) generated 48 warnings (run `cargo fix --bin "nixjs" -p nixjs --tests` to apply 28 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/nixjs-3ff4769fc32dc576)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test codegen::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c2c332fe9e6405e0c6ab37de87b109829291f3d4c86721b6d324e23390b6780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2c332fe9e6405e0c6ab37de87b109829291f3d4c86721b6d324e23390b6780", kill_on_drop: false }`
[INFO] [stdout] 9c2c332fe9e6405e0c6ab37de87b109829291f3d4c86721b6d324e23390b6780
