[INFO] fetching crate list_tools 0.1.9-features...
[INFO] checking list_tools-0.1.9-features against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate list_tools 0.1.9-features into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate list_tools 0.1.9-features
[INFO] finished tweaking crates.io crate list_tools 0.1.9-features
[INFO] tweaked toml for crates.io crate list_tools 0.1.9-features written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate list_tools 0.1.9-features on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0634e5460abd508a1416ed87304b2baef7a7ceaebee255b626972fdda1580804
[INFO] running `Command { std: "docker" "start" "-a" "0634e5460abd508a1416ed87304b2baef7a7ceaebee255b626972fdda1580804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0634e5460abd508a1416ed87304b2baef7a7ceaebee255b626972fdda1580804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0634e5460abd508a1416ed87304b2baef7a7ceaebee255b626972fdda1580804", kill_on_drop: false }`
[INFO] [stdout] 0634e5460abd508a1416ed87304b2baef7a7ceaebee255b626972fdda1580804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea09301d75f59e6d5bac0b88a20c2107405b8c0edc1e5cdc4f761eb9cb1144b8
[INFO] running `Command { std: "docker" "start" "-a" "ea09301d75f59e6d5bac0b88a20c2107405b8c0edc1e5cdc4f761eb9cb1144b8", kill_on_drop: false }`
[INFO] [stderr]     Checking list_tools v0.1.9-features (/opt/rustwide/workdir)
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 11 |   #[cfg(feature = "tools")]
[INFO] [stdout] 12 | / macro_rules! clist {
[INFO] [stdout] 13 | |     () => {
[INFO] [stdout] 14 | |         list_tools::List::new()
[INFO] [stdout] 15 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     };
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 35 |   #[cfg(feature = "tools")]
[INFO] [stdout] 36 | / pub mod fast_tools {
[INFO] [stdout] 37 | |     use crate::List;
[INFO] [stdout] 38 | |
[INFO] [stdout] 39 | |     /// This function can do [`Vec`] to [`crate::List`]
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 41 | /     pub fn vec_to_list<T>(v: Vec<T>) -> List<T> {
[INFO] [stdout] 42 | |         List::vec_to_list(v)
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 46 | /     pub fn slice_to_list<T: Clone>(s: &[T]) -> List<T> {
[INFO] [stdout] 47 | |         List::slice_to_list(s)
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 51 | /     pub fn string_to_list<S: ToString>(t: String, split_test: S) -> List<String> {
[INFO] [stdout] 52 | |         let split_test = split_test.to_string();
[INFO] [stdout] 53 | |         let split = t.split(&split_test);
[INFO] [stdout] 54 | |         let collect = split.collect::<Vec<&str>>();
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         l
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 63 | /     pub fn str_to_list<S: ToString>(t: &str, split_test: S) -> List<String> {
[INFO] [stdout] 64 | |         let split_test = split_test.to_string();
[INFO] [stdout] 65 | |         let split = t.split(&split_test);
[INFO] [stdout] 66 | |         let collect = split.collect::<Vec<&str>>();
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |         l
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 76 | /     pub fn string_to_list_char<S: ToString>(t: String, split_test: char) -> List<String> {
[INFO] [stdout] 77 | |         let split = t.split(split_test);
[INFO] [stdout] 78 | |         let collect = split.collect::<Vec<&str>>();
[INFO] [stdout] 79 | |         let mut l = List::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |         l
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:3:8
[INFO] [stdout]    |
[INFO] [stdout]  3 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]  4 | / pub mod debug_tools {
[INFO] [stdout]  5 | |     use crate::system_break;
[INFO] [stdout]  6 | |     use std::fmt::Debug;
[INFO] [stdout]  7 | |     #[repr(Rust)]
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 51 | / macro_rules! system_break {
[INFO] [stdout] 52 | |     ($($t:expr),*) => {
[INFO] [stdout] 53 | |         crate::tools::debug_tools::exit(format!($($t),*))
[INFO] [stdout] 54 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     };
[INFO] [stdout] 61 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  7 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]  8 |       #[allow(dead_code)]
[INFO] [stdout]  9 | /     pub fn debug_bool(r#is: bool, line: Option<usize>) {
[INFO] [stdout] 10 | |         match r#is {
[INFO] [stdout] 11 | |             true => true,
[INFO] [stdout] 12 | |             false => match line {
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |         };
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 20 | /     pub fn debug_result<T, E: Debug, O: Debug>(r#is: Result<T, E>, line: Option<O>) -> T {
[INFO] [stdout] 21 | |         match r#is {
[INFO] [stdout] 22 | |             Ok(t) => t,
[INFO] [stdout] 23 | |             Err(e) => match line {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 31 |       #[allow(dead_code)]
[INFO] [stdout] 32 | /     pub fn debug_option<T, O: Debug>(r#is: Option<T>, line: Option<O>) -> T {
[INFO] [stdout] 33 | |         match r#is {
[INFO] [stdout] 34 | |             Some(t) => t,
[INFO] [stdout] 35 | |             None => match line {
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 43 | /     pub fn exit<T: Debug>(t: T) -> ! {
[INFO] [stdout] 44 | |         println!("Exit Test: {:?}", t);
[INFO] [stdout] 45 | |         std::process::exit(0);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 11 |   #[cfg(feature = "tools")]
[INFO] [stdout] 12 | / macro_rules! clist {
[INFO] [stdout] 13 | |     () => {
[INFO] [stdout] 14 | |         list_tools::List::new()
[INFO] [stdout] 15 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     };
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 35 |   #[cfg(feature = "tools")]
[INFO] [stdout] 36 | / pub mod fast_tools {
[INFO] [stdout] 37 | |     use crate::List;
[INFO] [stdout] 38 | |
[INFO] [stdout] 39 | |     /// This function can do [`Vec`] to [`crate::List`]
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 41 | /     pub fn vec_to_list<T>(v: Vec<T>) -> List<T> {
[INFO] [stdout] 42 | |         List::vec_to_list(v)
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 46 | /     pub fn slice_to_list<T: Clone>(s: &[T]) -> List<T> {
[INFO] [stdout] 47 | |         List::slice_to_list(s)
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 51 | /     pub fn string_to_list<S: ToString>(t: String, split_test: S) -> List<String> {
[INFO] [stdout] 52 | |         let split_test = split_test.to_string();
[INFO] [stdout] 53 | |         let split = t.split(&split_test);
[INFO] [stdout] 54 | |         let collect = split.collect::<Vec<&str>>();
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         l
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 63 | /     pub fn str_to_list<S: ToString>(t: &str, split_test: S) -> List<String> {
[INFO] [stdout] 64 | |         let split_test = split_test.to_string();
[INFO] [stdout] 65 | |         let split = t.split(&split_test);
[INFO] [stdout] 66 | |         let collect = split.collect::<Vec<&str>>();
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |         l
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/fasts.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 76 | /     pub fn string_to_list_char<S: ToString>(t: String, split_test: char) -> List<String> {
[INFO] [stdout] 77 | |         let split = t.split(split_test);
[INFO] [stdout] 78 | |         let collect = split.collect::<Vec<&str>>();
[INFO] [stdout] 79 | |         let mut l = List::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |         l
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:3:8
[INFO] [stdout]    |
[INFO] [stdout]  3 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]  4 | / pub mod debug_tools {
[INFO] [stdout]  5 | |     use crate::system_break;
[INFO] [stdout]  6 | |     use std::fmt::Debug;
[INFO] [stdout]  7 | |     #[repr(Rust)]
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |   #[repr(Rust)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 51 | / macro_rules! system_break {
[INFO] [stdout] 52 | |     ($($t:expr),*) => {
[INFO] [stdout] 53 | |         crate::tools::debug_tools::exit(format!($($t),*))
[INFO] [stdout] 54 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     };
[INFO] [stdout] 61 | | }
[INFO] [stdout]    | |_- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  7 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]  8 |       #[allow(dead_code)]
[INFO] [stdout]  9 | /     pub fn debug_bool(r#is: bool, line: Option<usize>) {
[INFO] [stdout] 10 | |         match r#is {
[INFO] [stdout] 11 | |             true => true,
[INFO] [stdout] 12 | |             false => match line {
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |         };
[INFO] [stdout] 17 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 20 | /     pub fn debug_result<T, E: Debug, O: Debug>(r#is: Result<T, E>, line: Option<O>) -> T {
[INFO] [stdout] 21 | |         match r#is {
[INFO] [stdout] 22 | |             Ok(t) => t,
[INFO] [stdout] 23 | |             Err(e) => match line {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 31 |       #[allow(dead_code)]
[INFO] [stdout] 32 | /     pub fn debug_option<T, O: Debug>(r#is: Option<T>, line: Option<O>) -> T {
[INFO] [stdout] 33 | |         match r#is {
[INFO] [stdout] 34 | |             Some(t) => t,
[INFO] [stdout] 35 | |             None => match line {
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]   --> src/tools.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |       #[repr(Rust)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 43 | /     pub fn exit<T: Debug>(t: T) -> ! {
[INFO] [stdout] 44 | |         println!("Exit Test: {:?}", t);
[INFO] [stdout] 45 | |         std::process::exit(0);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `list_tools` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `list_tools` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "ea09301d75f59e6d5bac0b88a20c2107405b8c0edc1e5cdc4f761eb9cb1144b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea09301d75f59e6d5bac0b88a20c2107405b8c0edc1e5cdc4f761eb9cb1144b8", kill_on_drop: false }`
[INFO] [stdout] ea09301d75f59e6d5bac0b88a20c2107405b8c0edc1e5cdc4f761eb9cb1144b8