Dec 15 22:13:21.884 INFO testing ask-0.0.9 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 15 22:13:21.884 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 15 22:13:22.360 INFO [stdout] 9d4d1182edac599b5123de3a82512745b4f7bcc8b74f1863ca56bcad35c94305 Dec 15 22:13:22.364 INFO running `"docker" "start" "-a" "9d4d1182edac599b5123de3a82512745b4f7bcc8b74f1863ca56bcad35c94305"` Dec 15 22:13:23.583 INFO [stderr] usermod: no changes Dec 15 22:13:23.644 INFO [stderr] Compiling ask v0.0.9 (/source) Dec 15 22:13:24.834 INFO [stderr] warning: unused import: `cursor::DetectCursorPos` Dec 15 22:13:24.834 INFO [stderr] --> src/lib.rs:49:58 Dec 15 22:13:24.834 INFO [stderr] | Dec 15 22:13:24.834 INFO [stderr] 49 | use question::termion::{input::TermRead, event::Key, cursor::DetectCursorPos}; Dec 15 22:13:24.834 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:24.834 INFO [stderr] | Dec 15 22:13:24.834 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 15 22:13:24.834 INFO [stderr] Dec 15 22:13:24.999 INFO [stderr] warning: variable `i` is assigned to, but never used Dec 15 22:13:24.999 INFO [stderr] --> src/lib.rs:110:21 Dec 15 22:13:24.999 INFO [stderr] | Dec 15 22:13:24.999 INFO [stderr] 110 | let mut i = 0; Dec 15 22:13:24.999 INFO [stderr] | ^ Dec 15 22:13:24.999 INFO [stderr] | Dec 15 22:13:24.999 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 15 22:13:24.999 INFO [stderr] = note: consider using `_i` instead Dec 15 22:13:24.999 INFO [stderr] Dec 15 22:13:25.047 INFO [stderr] warning: variable does not need to be mutable Dec 15 22:13:25.047 INFO [stderr] --> src/lib.rs:544:17 Dec 15 22:13:25.047 INFO [stderr] | Dec 15 22:13:25.047 INFO [stderr] 544 | let mut size = termion::terminal_size().unwrap(); Dec 15 22:13:25.047 INFO [stderr] | ----^^^^ Dec 15 22:13:25.047 INFO [stderr] | | Dec 15 22:13:25.047 INFO [stderr] | help: remove this `mut` Dec 15 22:13:25.047 INFO [stderr] | Dec 15 22:13:25.047 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 15 22:13:25.047 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: variable does not need to be mutable Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:639:17 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 639 | let mut size = termion::terminal_size().unwrap(); Dec 15 22:13:25.053 INFO [stderr] | ----^^^^ Dec 15 22:13:25.053 INFO [stderr] | | Dec 15 22:13:25.053 INFO [stderr] | help: remove this `mut` Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: method is never used: `get_all_selected_indexies` Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:123:9 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 123 | fn get_all_selected_indexies(&self)->Vec{ Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: method is never used: `render_options` Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:136:9 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 136 | fn render_options(&self, stdout: &mut termion::raw::RawTerminal, selector_index: u16, size : (u16, u16)){ Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: method is never used: `set_valid_appearance` Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:329:9 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 329 | pub fn set_valid_appearance(&mut self, new_valid_appearance : String)->&mut Self{ Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: method is never used: `set_invalid_appearance` Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:334:9 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 334 | pub fn set_invalid_appearance(&mut self, new_invalid_appearance :String)-> &mut Self{ Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: method is never used: `get_answer_set_by_group_name` Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:503:9 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 503 | fn get_answer_set_by_group_name(&mut self, group_name : &'static str)->Option<& AnswerSet>{ Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:155:17 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 155 | write!(stdout, "{}{}{}{} {} {}", termion::cursor::Goto(0,size.1 - self.options_len + i), termion::clear::CurrentLine, termion::clear::CurrentLine, selector_str, selected_icon, option.name ); Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 15 22:13:25.053 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.053 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.053 INFO [stderr] Dec 15 22:13:25.053 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.053 INFO [stderr] --> src/lib.rs:167:13 Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] 167 | write!(stdout, "{}{}{} {}", termion::cursor::Goto(0,size.1 - self.options_len + i), termion::clear::CurrentLine, selector_str, continue_str ); Dec 15 22:13:25.053 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.053 INFO [stderr] | Dec 15 22:13:25.053 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.053 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.054 INFO [stderr] Dec 15 22:13:25.054 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.054 INFO [stderr] --> src/lib.rs:244:13 Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] 244 | write!(stdout, "{}", self.message); Dec 15 22:13:25.054 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.054 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.054 INFO [stderr] Dec 15 22:13:25.054 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.054 INFO [stderr] --> src/lib.rs:304:17 Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] 304 | write!(stdout, "{}", termion::scroll::Down(line_count)); Dec 15 22:13:25.054 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.054 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.054 INFO [stderr] Dec 15 22:13:25.054 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.054 INFO [stderr] --> src/lib.rs:382:21 Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] 382 | write!(stdout, "{}{} ==== {} ====", termion::scroll::Up(1), termion::cursor::Goto(0,size.1), grp.name); Dec 15 22:13:25.054 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.054 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.054 INFO [stderr] Dec 15 22:13:25.054 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.054 INFO [stderr] --> src/lib.rs:402:25 Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] 402 | write!(stdout, "{}{}{} {} {}", termion::scroll::Up(1), termion::cursor::Goto(0,size.1), selector_str, selected_icon, option.name); Dec 15 22:13:25.054 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.054 INFO [stderr] | Dec 15 22:13:25.054 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.054 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.054 INFO [stderr] Dec 15 22:13:25.059 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.059 INFO [stderr] --> src/lib.rs:433:13 Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] 433 | write!(stdout, "{}{}{} {}", termion::scroll::Up(1), termion::cursor::Goto(0,size.1), selector_str, continue_str); Dec 15 22:13:25.059 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.059 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.059 INFO [stderr] Dec 15 22:13:25.059 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.059 INFO [stderr] --> src/lib.rs:545:13 Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] 545 | write!(stdout, "{} [Y/n] {}{}", self.message, termion::scroll::Up(1), termion::cursor::Goto(0, size.1)); Dec 15 22:13:25.059 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.059 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.059 INFO [stderr] Dec 15 22:13:25.059 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.059 INFO [stderr] --> src/lib.rs:575:29 Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] 575 | write!(stdout, "{}{}unrecognized response.", termion::clear::CurrentLine, termion::cursor::Goto(0, size.1)); Dec 15 22:13:25.059 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.059 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.059 INFO [stderr] Dec 15 22:13:25.059 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.059 INFO [stderr] --> src/lib.rs:584:29 Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] 584 | write!(stdout, "{}{}{}", termion::cursor::Goto(0, size.1), termion::clear::CurrentLine, c); Dec 15 22:13:25.059 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.059 INFO [stderr] | Dec 15 22:13:25.059 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.059 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.059 INFO [stderr] Dec 15 22:13:25.060 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.060 INFO [stderr] --> src/lib.rs:587:29 Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] 587 | write!(stdout,"{}",c); Dec 15 22:13:25.060 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.060 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.060 INFO [stderr] Dec 15 22:13:25.060 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.060 INFO [stderr] --> src/lib.rs:607:13 Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] 607 | write!(stdout, "{}{}",termion::cursor::Goto(0, size.1+1), termion::scroll::Up(1)); //new line Dec 15 22:13:25.060 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.060 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.060 INFO [stderr] Dec 15 22:13:25.060 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.060 INFO [stderr] --> src/lib.rs:640:13 Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] 640 | write!(stdout, "{}{}{}", self.message, termion::scroll::Up(1), termion::cursor::Goto(0,size.1)); Dec 15 22:13:25.060 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.060 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.060 INFO [stderr] Dec 15 22:13:25.060 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.060 INFO [stderr] --> src/lib.rs:652:25 Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] 652 | write!(stdout,"{}",c); Dec 15 22:13:25.060 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.060 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.060 INFO [stderr] Dec 15 22:13:25.060 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:25.060 INFO [stderr] --> src/lib.rs:669:13 Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] 669 | write!(stdout, "{}{}",termion::cursor::Goto(0, size.1+1), termion::scroll::Up(1)); //new line Dec 15 22:13:25.060 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:25.060 INFO [stderr] | Dec 15 22:13:25.060 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:25.060 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:25.060 INFO [stderr] Dec 15 22:13:26.307 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.69s Dec 15 22:13:26.311 INFO [stderr] su: No module specific data is present Dec 15 22:13:27.470 INFO running `"docker" "inspect" "9d4d1182edac599b5123de3a82512745b4f7bcc8b74f1863ca56bcad35c94305"` Dec 15 22:13:27.767 INFO running `"docker" "rm" "-f" "9d4d1182edac599b5123de3a82512745b4f7bcc8b74f1863ca56bcad35c94305"` Dec 15 22:13:28.039 INFO [stdout] 9d4d1182edac599b5123de3a82512745b4f7bcc8b74f1863ca56bcad35c94305 Dec 15 22:13:28.043 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 15 22:13:28.648 INFO [stdout] ea1f1a8c096235c00c71ac3405306424c0ea5f5bcc5c7d6a35952221194eefd2 Dec 15 22:13:28.652 INFO running `"docker" "start" "-a" "ea1f1a8c096235c00c71ac3405306424c0ea5f5bcc5c7d6a35952221194eefd2"` Dec 15 22:13:30.158 INFO [stderr] usermod: no changes Dec 15 22:13:30.247 INFO [stderr] Compiling ask v0.0.9 (/source) Dec 15 22:13:30.438 INFO [stderr] error: this file contains an un-closed delimiter Dec 15 22:13:30.438 INFO [stderr] --> examples/multiple_choice.rs:49:6 Dec 15 22:13:30.438 INFO [stderr] | Dec 15 22:13:30.438 INFO [stderr] 6 | fn main() { Dec 15 22:13:30.438 INFO [stderr] | - un-closed delimiter Dec 15 22:13:30.438 INFO [stderr] ... Dec 15 22:13:30.438 INFO [stderr] 32 | .set_validation(Box::new(|answer_collection| { Dec 15 22:13:30.438 INFO [stderr] | - this delimiter might not be properly closed... Dec 15 22:13:30.438 INFO [stderr] ... Dec 15 22:13:30.438 INFO [stderr] 35 | }) Dec 15 22:13:30.438 INFO [stderr] | - ...as it matches this but it has different indentation Dec 15 22:13:30.438 INFO [stderr] ... Dec 15 22:13:30.438 INFO [stderr] 49 | } Dec 15 22:13:30.438 INFO [stderr] | ^ Dec 15 22:13:30.438 INFO [stderr] Dec 15 22:13:33.240 INFO [stderr] warning: unused import: `cursor::DetectCursorPos` Dec 15 22:13:33.240 INFO [stderr] --> src/lib.rs:49:58 Dec 15 22:13:33.240 INFO [stderr] | Dec 15 22:13:33.240 INFO [stderr] 49 | use question::termion::{input::TermRead, event::Key, cursor::DetectCursorPos}; Dec 15 22:13:33.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.240 INFO [stderr] | Dec 15 22:13:33.240 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 15 22:13:33.240 INFO [stderr] Dec 15 22:13:33.419 INFO [stderr] warning: variable `i` is assigned to, but never used Dec 15 22:13:33.419 INFO [stderr] --> src/lib.rs:110:21 Dec 15 22:13:33.419 INFO [stderr] | Dec 15 22:13:33.419 INFO [stderr] 110 | let mut i = 0; Dec 15 22:13:33.419 INFO [stderr] | ^ Dec 15 22:13:33.419 INFO [stderr] | Dec 15 22:13:33.419 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 15 22:13:33.419 INFO [stderr] = note: consider using `_i` instead Dec 15 22:13:33.419 INFO [stderr] Dec 15 22:13:33.459 INFO [stderr] warning: variable does not need to be mutable Dec 15 22:13:33.459 INFO [stderr] --> src/lib.rs:544:17 Dec 15 22:13:33.459 INFO [stderr] | Dec 15 22:13:33.459 INFO [stderr] 544 | let mut size = termion::terminal_size().unwrap(); Dec 15 22:13:33.459 INFO [stderr] | ----^^^^ Dec 15 22:13:33.459 INFO [stderr] | | Dec 15 22:13:33.459 INFO [stderr] | help: remove this `mut` Dec 15 22:13:33.459 INFO [stderr] | Dec 15 22:13:33.459 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 15 22:13:33.459 INFO [stderr] Dec 15 22:13:33.459 INFO [stderr] warning: variable does not need to be mutable Dec 15 22:13:33.459 INFO [stderr] --> src/lib.rs:639:17 Dec 15 22:13:33.459 INFO [stderr] | Dec 15 22:13:33.459 INFO [stderr] 639 | let mut size = termion::terminal_size().unwrap(); Dec 15 22:13:33.459 INFO [stderr] | ----^^^^ Dec 15 22:13:33.459 INFO [stderr] | | Dec 15 22:13:33.459 INFO [stderr] | help: remove this `mut` Dec 15 22:13:33.459 INFO [stderr] Dec 15 22:13:33.463 INFO [stderr] warning: method is never used: `get_all_selected_indexies` Dec 15 22:13:33.463 INFO [stderr] --> src/lib.rs:123:9 Dec 15 22:13:33.463 INFO [stderr] | Dec 15 22:13:33.463 INFO [stderr] 123 | fn get_all_selected_indexies(&self)->Vec{ Dec 15 22:13:33.463 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.463 INFO [stderr] | Dec 15 22:13:33.463 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 15 22:13:33.463 INFO [stderr] Dec 15 22:13:33.463 INFO [stderr] warning: method is never used: `render_options` Dec 15 22:13:33.463 INFO [stderr] --> src/lib.rs:136:9 Dec 15 22:13:33.463 INFO [stderr] | Dec 15 22:13:33.463 INFO [stderr] 136 | fn render_options(&self, stdout: &mut termion::raw::RawTerminal, selector_index: u16, size : (u16, u16)){ Dec 15 22:13:33.463 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.463 INFO [stderr] Dec 15 22:13:33.463 INFO [stderr] warning: method is never used: `set_valid_appearance` Dec 15 22:13:33.463 INFO [stderr] --> src/lib.rs:329:9 Dec 15 22:13:33.463 INFO [stderr] | Dec 15 22:13:33.463 INFO [stderr] 329 | pub fn set_valid_appearance(&mut self, new_valid_appearance : String)->&mut Self{ Dec 15 22:13:33.463 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.463 INFO [stderr] Dec 15 22:13:33.463 INFO [stderr] warning: method is never used: `set_invalid_appearance` Dec 15 22:13:33.463 INFO [stderr] --> src/lib.rs:334:9 Dec 15 22:13:33.463 INFO [stderr] | Dec 15 22:13:33.463 INFO [stderr] 334 | pub fn set_invalid_appearance(&mut self, new_invalid_appearance :String)-> &mut Self{ Dec 15 22:13:33.463 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.463 INFO [stderr] Dec 15 22:13:33.463 INFO [stderr] warning: method is never used: `get_answer_set_by_group_name` Dec 15 22:13:33.463 INFO [stderr] --> src/lib.rs:503:9 Dec 15 22:13:33.463 INFO [stderr] | Dec 15 22:13:33.463 INFO [stderr] 503 | fn get_answer_set_by_group_name(&mut self, group_name : &'static str)->Option<& AnswerSet>{ Dec 15 22:13:33.463 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.463 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:155:17 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 155 | write!(stdout, "{}{}{}{} {} {}", termion::cursor::Goto(0,size.1 - self.options_len + i), termion::clear::CurrentLine, termion::clear::CurrentLine, selector_str, selected_icon, option.name ); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:167:13 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 167 | write!(stdout, "{}{}{} {}", termion::cursor::Goto(0,size.1 - self.options_len + i), termion::clear::CurrentLine, selector_str, continue_str ); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:244:13 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 244 | write!(stdout, "{}", self.message); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:304:17 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 304 | write!(stdout, "{}", termion::scroll::Down(line_count)); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:382:21 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 382 | write!(stdout, "{}{} ==== {} ====", termion::scroll::Up(1), termion::cursor::Goto(0,size.1), grp.name); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:402:25 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 402 | write!(stdout, "{}{}{} {} {}", termion::scroll::Up(1), termion::cursor::Goto(0,size.1), selector_str, selected_icon, option.name); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:433:13 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 433 | write!(stdout, "{}{}{} {}", termion::scroll::Up(1), termion::cursor::Goto(0,size.1), selector_str, continue_str); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:545:13 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 545 | write!(stdout, "{} [Y/n] {}{}", self.message, termion::scroll::Up(1), termion::cursor::Goto(0, size.1)); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:575:29 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 575 | write!(stdout, "{}{}unrecognized response.", termion::clear::CurrentLine, termion::cursor::Goto(0, size.1)); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.464 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.464 INFO [stderr] --> src/lib.rs:584:29 Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] 584 | write!(stdout, "{}{}{}", termion::cursor::Goto(0, size.1), termion::clear::CurrentLine, c); Dec 15 22:13:33.464 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.464 INFO [stderr] | Dec 15 22:13:33.464 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.464 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.464 INFO [stderr] Dec 15 22:13:33.465 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.465 INFO [stderr] --> src/lib.rs:587:29 Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] 587 | write!(stdout,"{}",c); Dec 15 22:13:33.465 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.465 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.465 INFO [stderr] Dec 15 22:13:33.465 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.465 INFO [stderr] --> src/lib.rs:607:13 Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] 607 | write!(stdout, "{}{}",termion::cursor::Goto(0, size.1+1), termion::scroll::Up(1)); //new line Dec 15 22:13:33.465 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.465 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.465 INFO [stderr] Dec 15 22:13:33.465 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.465 INFO [stderr] --> src/lib.rs:640:13 Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] 640 | write!(stdout, "{}{}{}", self.message, termion::scroll::Up(1), termion::cursor::Goto(0,size.1)); Dec 15 22:13:33.465 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.465 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.465 INFO [stderr] Dec 15 22:13:33.465 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.465 INFO [stderr] --> src/lib.rs:652:25 Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.465 INFO [stderr] 652 | write!(stdout,"{}",c); Dec 15 22:13:33.465 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.465 INFO [stderr] | Dec 15 22:13:33.466 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.466 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.466 INFO [stderr] Dec 15 22:13:33.466 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 15 22:13:33.466 INFO [stderr] --> src/lib.rs:669:13 Dec 15 22:13:33.466 INFO [stderr] | Dec 15 22:13:33.466 INFO [stderr] 669 | write!(stdout, "{}{}",termion::cursor::Goto(0, size.1+1), termion::scroll::Up(1)); //new line Dec 15 22:13:33.466 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 15 22:13:33.466 INFO [stderr] | Dec 15 22:13:33.466 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 15 22:13:33.466 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 15 22:13:33.466 INFO [stderr] Dec 15 22:13:33.595 INFO [stderr] error: aborting due to previous error Dec 15 22:13:33.595 INFO [stderr] Dec 15 22:13:33.598 INFO [stderr] error: Could not compile `ask`. Dec 15 22:13:33.598 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 15 22:13:34.487 INFO [stderr] error: build failed Dec 15 22:13:34.487 INFO [stderr] su: No module specific data is present Dec 15 22:13:35.440 INFO running `"docker" "inspect" "ea1f1a8c096235c00c71ac3405306424c0ea5f5bcc5c7d6a35952221194eefd2"` Dec 15 22:13:35.700 INFO running `"docker" "rm" "-f" "ea1f1a8c096235c00c71ac3405306424c0ea5f5bcc5c7d6a35952221194eefd2"` Dec 15 22:13:35.915 INFO [stdout] ea1f1a8c096235c00c71ac3405306424c0ea5f5bcc5c7d6a35952221194eefd2