[INFO] fetching crate valust-derive 0.8.0...
[INFO] testing valust-derive-0.8.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate valust-derive 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate valust-derive 0.8.0
[INFO] finished tweaking crates.io crate valust-derive 0.8.0
[INFO] tweaked toml for crates.io crate valust-derive 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate valust-derive 0.8.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c2151014cb8398c9f635db1d298a8d8108a42ebfd4002880a11845caf448eb
[INFO] running `Command { std: "docker" "start" "-a" "59c2151014cb8398c9f635db1d298a8d8108a42ebfd4002880a11845caf448eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c2151014cb8398c9f635db1d298a8d8108a42ebfd4002880a11845caf448eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c2151014cb8398c9f635db1d298a8d8108a42ebfd4002880a11845caf448eb", kill_on_drop: false }`
[INFO] [stdout] 59c2151014cb8398c9f635db1d298a8d8108a42ebfd4002880a11845caf448eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d534d45619396502a6fd83b4168bec496ff39f7e1e1874859731e93b79c4f233
[INFO] running `Command { std: "docker" "start" "-a" "d534d45619396502a6fd83b4168bec496ff39f7e1e1874859731e93b79c4f233", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling valust-derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> src/cmd/valid/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::punctuated::Punctuated;
[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: `syn::token::Paren`
[INFO] [stdout]  --> src/cmd/valid/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::token::Paren;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `Token`
[INFO] [stdout]  --> src/cmd/valid/color.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{Expr, Ident, LitStr, Token};
[INFO] [stdout]   |           ^^^^                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_bool::require_bool_expr`
[INFO] [stdout]  --> src/cmd/valid/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::utils::require_bool::require_bool_expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_lit_str::require_lit_str`
[INFO] [stdout]   --> src/cmd/valid/color.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::require_lit_str::require_lit_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_single::require_single_fallible`
[INFO] [stdout]   --> src/cmd/valid/color.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::require_single::require_single_fallible;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorHandler` is never constructed
[INFO] [stdout]    --> src/cmd/valid/color.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct ColorHandler {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_regex` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl ColorHandler {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 117 |     pub fn to_regex(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ColorType` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:141:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | enum ColorType {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_text`, `to_regex`, and `to_type_text` are never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl ColorType {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 149 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn to_regex(self, compat: bool, perm: PrefixPermission) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn to_type_text(self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrefixPermission` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:193:6
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum PrefixPermission {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_text`, `format_regex`, and `format_regex_hex` are never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl PrefixPermission {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 201 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn format_regex(self, core: &str, ty: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn format_regex_hex(self, hex: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIT_NOT_BOOL_OR_STR_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LIT_NOT_BOOL_OR_STR_ERROR: &str = "expect boolean literal or string";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STR_NOT_BOOL_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const STR_NOT_BOOL_ERROR: &str = "expect `\"true\"` or `\"false\"`";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_bool_expr` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn require_bool_expr(expr: Expr) -> syn::Result<bool> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIT_NOT_STR_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LIT_NOT_STR_ERROR: &str = "expect string literal";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_lit_str` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn require_lit_str(expr: Expr) -> syn::Result<LitStr> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_single_fallible` is never used
[INFO] [stdout]  --> src/utils/require_single.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn require_single_fallible<T>(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "d534d45619396502a6fd83b4168bec496ff39f7e1e1874859731e93b79c4f233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d534d45619396502a6fd83b4168bec496ff39f7e1e1874859731e93b79c4f233", kill_on_drop: false }`
[INFO] [stdout] d534d45619396502a6fd83b4168bec496ff39f7e1e1874859731e93b79c4f233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ced35f91591ebce64d9610107e157540fb51a283517a3fb665256e069d434fda
[INFO] running `Command { std: "docker" "start" "-a" "ced35f91591ebce64d9610107e157540fb51a283517a3fb665256e069d434fda", kill_on_drop: false }`
[INFO] [stderr]    Compiling valust-derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> src/cmd/valid/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::punctuated::Punctuated;
[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: `syn::token::Paren`
[INFO] [stdout]  --> src/cmd/valid/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::token::Paren;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `Token`
[INFO] [stdout]  --> src/cmd/valid/color.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{Expr, Ident, LitStr, Token};
[INFO] [stdout]   |           ^^^^                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_bool::require_bool_expr`
[INFO] [stdout]  --> src/cmd/valid/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::utils::require_bool::require_bool_expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_lit_str::require_lit_str`
[INFO] [stdout]   --> src/cmd/valid/color.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::require_lit_str::require_lit_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_single::require_single_fallible`
[INFO] [stdout]   --> src/cmd/valid/color.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::require_single::require_single_fallible;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> src/cmd/valid/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::punctuated::Punctuated;
[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: `syn::token::Paren`
[INFO] [stdout]  --> src/cmd/valid/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::token::Paren;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `Token`
[INFO] [stdout]  --> src/cmd/valid/color.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{Expr, Ident, LitStr, Token};
[INFO] [stdout]   |           ^^^^                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_bool::require_bool_expr`
[INFO] [stdout]  --> src/cmd/valid/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::utils::require_bool::require_bool_expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_lit_str::require_lit_str`
[INFO] [stdout]   --> src/cmd/valid/color.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::require_lit_str::require_lit_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::require_single::require_single_fallible`
[INFO] [stdout]   --> src/cmd/valid/color.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::require_single::require_single_fallible;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorHandler` is never constructed
[INFO] [stdout]    --> src/cmd/valid/color.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct ColorHandler {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_regex` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl ColorHandler {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 117 |     pub fn to_regex(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ColorType` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:141:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | enum ColorType {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_text`, `to_regex`, and `to_type_text` are never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl ColorType {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 149 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn to_regex(self, compat: bool, perm: PrefixPermission) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn to_type_text(self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrefixPermission` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:193:6
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum PrefixPermission {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_text`, `format_regex`, and `format_regex_hex` are never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl PrefixPermission {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 201 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn format_regex(self, core: &str, ty: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn format_regex_hex(self, hex: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIT_NOT_BOOL_OR_STR_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LIT_NOT_BOOL_OR_STR_ERROR: &str = "expect boolean literal or string";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STR_NOT_BOOL_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const STR_NOT_BOOL_ERROR: &str = "expect `\"true\"` or `\"false\"`";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_bool_expr` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn require_bool_expr(expr: Expr) -> syn::Result<bool> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIT_NOT_STR_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LIT_NOT_STR_ERROR: &str = "expect string literal";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_lit_str` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn require_lit_str(expr: Expr) -> syn::Result<LitStr> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_single_fallible` is never used
[INFO] [stdout]  --> src/utils/require_single.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn require_single_fallible<T>(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColorHandler` is never constructed
[INFO] [stdout]    --> src/cmd/valid/color.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct ColorHandler {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_regex` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl ColorHandler {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 117 |     pub fn to_regex(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ColorType` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:141:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | enum ColorType {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_text`, `to_regex`, and `to_type_text` are never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl ColorType {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 149 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn to_regex(self, compat: bool, perm: PrefixPermission) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn to_type_text(self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrefixPermission` is never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:193:6
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum PrefixPermission {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_text`, `format_regex`, and `format_regex_hex` are never used
[INFO] [stdout]    --> src/cmd/valid/color.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 200 | impl PrefixPermission {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 201 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn format_regex(self, core: &str, ty: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn format_regex_hex(self, hex: &str) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIT_NOT_BOOL_OR_STR_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LIT_NOT_BOOL_OR_STR_ERROR: &str = "expect boolean literal or string";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STR_NOT_BOOL_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const STR_NOT_BOOL_ERROR: &str = "expect `\"true\"` or `\"false\"`";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_bool_expr` is never used
[INFO] [stdout]  --> src/utils/require_bool.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn require_bool_expr(expr: Expr) -> syn::Result<bool> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LIT_NOT_STR_ERROR` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LIT_NOT_STR_ERROR: &str = "expect string literal";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_lit_str` is never used
[INFO] [stdout]  --> src/utils/require_lit_str.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn require_lit_str(expr: Expr) -> syn::Result<LitStr> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `require_single_fallible` is never used
[INFO] [stdout]  --> src/utils/require_single.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn require_single_fallible<T>(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "ced35f91591ebce64d9610107e157540fb51a283517a3fb665256e069d434fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced35f91591ebce64d9610107e157540fb51a283517a3fb665256e069d434fda", kill_on_drop: false }`
[INFO] [stdout] ced35f91591ebce64d9610107e157540fb51a283517a3fb665256e069d434fda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03785aba7eceb697794abe157657fe4dfd928613f65f3b19fef52039c139f074
[INFO] running `Command { std: "docker" "start" "-a" "03785aba7eceb697794abe157657fe4dfd928613f65f3b19fef52039c139f074", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stderr]  --> src/cmd/valid/color.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use syn::punctuated::Punctuated;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syn::token::Paren`
[INFO] [stderr]  --> src/cmd/valid/color.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use syn::token::Paren;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expr` and `Token`
[INFO] [stderr]  --> src/cmd/valid/color.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use syn::{Expr, Ident, LitStr, Token};
[INFO] [stderr]   |           ^^^^                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::require_bool::require_bool_expr`
[INFO] [stderr]  --> src/cmd/valid/color.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils::require_bool::require_bool_expr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::require_lit_str::require_lit_str`
[INFO] [stderr]   --> src/cmd/valid/color.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::utils::require_lit_str::require_lit_str;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::require_single::require_single_fallible`
[INFO] [stderr]   --> src/cmd/valid/color.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::utils::require_single::require_single_fallible;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ColorHandler` is never constructed
[INFO] [stderr]    --> src/cmd/valid/color.rs:109:8
[INFO] [stderr]     |
[INFO] [stderr] 109 | struct ColorHandler {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_regex` is never used
[INFO] [stderr]    --> src/cmd/valid/color.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 116 | impl ColorHandler {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] 117 |     pub fn to_regex(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ColorType` is never used
[INFO] [stderr]    --> src/cmd/valid/color.rs:141:6
[INFO] [stderr]     |
[INFO] [stderr] 141 | enum ColorType {
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `from_text`, `to_regex`, and `to_type_text` are never used
[INFO] [stderr]    --> src/cmd/valid/color.rs:149:12
[INFO] [stderr]     |
[INFO] [stderr] 148 | impl ColorType {
[INFO] [stderr]     | -------------- associated items in this implementation
[INFO] [stderr] 149 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 160 |     pub fn to_regex(self, compat: bool, perm: PrefixPermission) -> String {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 |     pub fn to_type_text(self) -> &'static str {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PrefixPermission` is never used
[INFO] [stderr]    --> src/cmd/valid/color.rs:193:6
[INFO] [stderr]     |
[INFO] [stderr] 193 | enum PrefixPermission {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `from_text`, `format_regex`, and `format_regex_hex` are never used
[INFO] [stderr]    --> src/cmd/valid/color.rs:201:12
[INFO] [stderr]     |
[INFO] [stderr] 200 | impl PrefixPermission {
[INFO] [stderr]     | --------------------- associated items in this implementation
[INFO] [stderr] 201 |     pub fn from_text(ty: LitStr) -> syn::Result<Self> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 212 |     pub fn format_regex(self, core: &str, ty: &str) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 220 |     pub fn format_regex_hex(self, hex: &str) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stderr]  --> src/utils/require_bool.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LIT_NOT_BOOL_OR_STR_ERROR` is never used
[INFO] [stderr]  --> src/utils/require_bool.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const LIT_NOT_BOOL_OR_STR_ERROR: &str = "expect boolean literal or string";
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `STR_NOT_BOOL_ERROR` is never used
[INFO] [stderr]  --> src/utils/require_bool.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const STR_NOT_BOOL_ERROR: &str = "expect `\"true\"` or `\"false\"`";
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `require_bool_expr` is never used
[INFO] [stderr]  --> src/utils/require_bool.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn require_bool_expr(expr: Expr) -> syn::Result<bool> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EXPR_NOT_LIT_ERROR` is never used
[INFO] [stderr]  --> src/utils/require_lit_str.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const EXPR_NOT_LIT_ERROR: &str = "expect literal value";
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LIT_NOT_STR_ERROR` is never used
[INFO] [stderr]  --> src/utils/require_lit_str.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const LIT_NOT_STR_ERROR: &str = "expect string literal";
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `require_lit_str` is never used
[INFO] [stderr]  --> src/utils/require_lit_str.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn require_lit_str(expr: Expr) -> syn::Result<LitStr> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `require_single_fallible` is never used
[INFO] [stderr]  --> src/utils/require_single.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn require_single_fallible<T>(
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `valust-derive` (lib) generated 20 warnings (run `cargo fix --lib -p valust-derive` to apply 6 suggestions)
[INFO] [stderr] warning: `valust-derive` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/valust_derive-60df06bc625f153b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests valust_derive
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 164) ... ignored
[INFO] [stdout] test src/utils/create_error.rs - utils::create_error::create_meta_validate_error (line 56) ... ignored
[INFO] [stdout] test src/utils/create_error.rs - utils::create_error::create_transform_error (line 86) ... ignored
[INFO] [stdout] test src/utils/create_error.rs - utils::create_error::create_validate_error (line 9) ... ignored
[INFO] [stdout] test src/lib.rs - (line 137) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 137) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `valust_utils`
[INFO] [stdout]  --> src/lib.rs:141:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use valust_utils::convert::parse_to;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `valust_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `valust_utils`, use `cargo add valust_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `valust`
[INFO] [stdout]  --> src/lib.rs:139:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use valust::Validate;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `valust`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `valust`, use `cargo add valust` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `valust` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:143:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Debug, Valust)]
[INFO] [stdout]   |                 ^^^^^^ could not find `valust` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Valust` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `valust` in the list of imported crates
[INFO] [stdout]   --> src/lib.rs:150:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, Valust)]
[INFO] [stdout]    |                 ^^^^^^ could not find `valust` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Valust` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 137)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "03785aba7eceb697794abe157657fe4dfd928613f65f3b19fef52039c139f074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03785aba7eceb697794abe157657fe4dfd928613f65f3b19fef52039c139f074", kill_on_drop: false }`
[INFO] [stdout] 03785aba7eceb697794abe157657fe4dfd928613f65f3b19fef52039c139f074