[INFO] cloning repository https://github.com/udoprog/rust-advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/rust-advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Frust-advent-of-code-2018", kill_on_drop: false }`
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[INFO] [stdout] 93a5e6762be53b785f3e31c52e8b0fd99a4e0ac6
[INFO] checking udoprog/rust-advent-of-code-2018 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Frust-advent-of-code-2018" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/udoprog/rust-advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/udoprog/rust-advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/udoprog/rust-advent-of-code-2018 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/udoprog/rust-advent-of-code-2018 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
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[INFO] crate git repo https://github.com/udoprog/rust-advent-of-code-2018 already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:382:18
[INFO] [stdout]     |
[INFO] [stdout] 382 |         ncurses::printw("Result is ");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 385 |         ncurses::printw(&a);
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:388:18
[INFO] [stdout]     |
[INFO] [stdout] 388 |         ncurses::printw(", press [enter] to exit...");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:441:26
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 ncurses::printw(">");
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:447:22
[INFO] [stdout]     |
[INFO] [stdout] 447 |             ncurses::printw(&format!("{} {}, {}, {}", op, a, b, c));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:462:22
[INFO] [stdout]     |
[INFO] [stdout] 462 |             ncurses::printw(&format!("{} = ", name));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:468:22
[INFO] [stdout]     |
[INFO] [stdout] 468 |             ncurses::printw(&value.to_string());
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:479:22
[INFO] [stdout]     |
[INFO] [stdout] 479 |             ncurses::printw("Press [space] to step...");
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/day16.rs:455:14
[INFO] [stdout]     |
[INFO] [stdout] 455 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 455 -             .into_iter()
[INFO] [stdout] 455 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 454 -         for (line, (name, value)) in ['0', '1', '2', '3']
[INFO] [stdout] 455 -             .into_iter()
[INFO] [stdout] 454 +         for (line, (name, value)) in IntoIterator::into_iter(['0', '1', '2', '3'])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bin/day12.rs:72:39
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     [-2, -1, 0, 1, 2].into_iter().all(|t| {
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 -                     [-2, -1, 0, 1, 2].into_iter().all(|t| {
[INFO] [stdout] 72 +                     [-2, -1, 0, 1, 2].iter().all(|t| {
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 -                     [-2, -1, 0, 1, 2].into_iter().all(|t| {
[INFO] [stdout] 72 +                     IntoIterator::into_iter([-2, -1, 0, 1, 2]).all(|t| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:402:18
[INFO] [stdout]     |
[INFO] [stdout] 402 |         ncurses::printw("Result is ");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:405:18
[INFO] [stdout]     |
[INFO] [stdout] 405 |         ncurses::printw(&a);
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:408:18
[INFO] [stdout]     |
[INFO] [stdout] 408 |         ncurses::printw(", press [enter] to exit...");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:461:26
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 ncurses::printw(">");
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:467:22
[INFO] [stdout]     |
[INFO] [stdout] 467 |             ncurses::printw(&format!("{} {}, {}, {}", inst.op_code, a, b, c));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:482:22
[INFO] [stdout]     |
[INFO] [stdout] 482 |             ncurses::printw(&format!("{} = ", name));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:488:22
[INFO] [stdout]     |
[INFO] [stdout] 488 |             ncurses::printw(&value.to_string());
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:497:22
[INFO] [stdout]     |
[INFO] [stdout] 497 |             ncurses::printw("press [space] to step...");
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day18.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |         n::printw("press [enter] to exit...");
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day18.rs:304:16
[INFO] [stdout]     |
[INFO] [stdout] 304 |             n::printw(grid.get(pos).as_str());
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bin/day6.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 queue.extend(neigh(c).into_iter().map(|c| (*c, d + 1)));
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 68 -                 queue.extend(neigh(c).into_iter().map(|c| (*c, d + 1)));
[INFO] [stdout] 68 +                 queue.extend(neigh(c).iter().map(|c| (*c, d + 1)));
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 68 -                 queue.extend(neigh(c).into_iter().map(|c| (*c, d + 1)));
[INFO] [stdout] 68 +                 queue.extend(IntoIterator::into_iter(neigh(c)).map(|c| (*c, d + 1)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/day6.rs:159:35
[INFO] [stdout]     |
[INFO] [stdout] 159 |             queue.extend(neigh(c).into_iter());
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 159 -             queue.extend(neigh(c).into_iter());
[INFO] [stdout] 159 +             queue.extend(neigh(c).iter());
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 159 -             queue.extend(neigh(c).into_iter());
[INFO] [stdout] 159 +             queue.extend(IntoIterator::into_iter(neigh(c)));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bin/day12.rs:72:39
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     [-2, -1, 0, 1, 2].into_iter().all(|t| {
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 -                     [-2, -1, 0, 1, 2].into_iter().all(|t| {
[INFO] [stdout] 72 +                     [-2, -1, 0, 1, 2].iter().all(|t| {
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 -                     [-2, -1, 0, 1, 2].into_iter().all(|t| {
[INFO] [stdout] 72 +                     IntoIterator::into_iter([-2, -1, 0, 1, 2]).all(|t| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day9.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut c = Box::<Data>::from_raw(ptr);
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/bin/day9.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 Box::from_raw(d);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let _ = Box::from_raw(d);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/bin/day9.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Box::from_raw(c);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = Box::from_raw(c);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:382:18
[INFO] [stdout]     |
[INFO] [stdout] 382 |         ncurses::printw("Result is ");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 385 |         ncurses::printw(&a);
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:388:18
[INFO] [stdout]     |
[INFO] [stdout] 388 |         ncurses::printw(", press [enter] to exit...");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:441:26
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 ncurses::printw(">");
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:447:22
[INFO] [stdout]     |
[INFO] [stdout] 447 |             ncurses::printw(&format!("{} {}, {}, {}", op, a, b, c));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:462:22
[INFO] [stdout]     |
[INFO] [stdout] 462 |             ncurses::printw(&format!("{} = ", name));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:468:22
[INFO] [stdout]     |
[INFO] [stdout] 468 |             ncurses::printw(&value.to_string());
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day16.rs:479:22
[INFO] [stdout]     |
[INFO] [stdout] 479 |             ncurses::printw("Press [space] to step...");
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev` is never read
[INFO] [stdout]    --> src/bin/day19.rs:278:20
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let mut prev = None;
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/day19.rs:475:14
[INFO] [stdout]     |
[INFO] [stdout] 475 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 475 -             .into_iter()
[INFO] [stdout] 475 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 474 -         for (line, (name, value)) in ['0', '1', '2', '3', '4', '5']
[INFO] [stdout] 475 -             .into_iter()
[INFO] [stdout] 474 +         for (line, (name, value)) in IntoIterator::into_iter(['0', '1', '2', '3', '4', '5'])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:402:18
[INFO] [stdout]     |
[INFO] [stdout] 402 |         ncurses::printw("Result is ");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:405:18
[INFO] [stdout]     |
[INFO] [stdout] 405 |         ncurses::printw(&a);
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:408:18
[INFO] [stdout]     |
[INFO] [stdout] 408 |         ncurses::printw(", press [enter] to exit...");
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:461:26
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 ncurses::printw(">");
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:467:22
[INFO] [stdout]     |
[INFO] [stdout] 467 |             ncurses::printw(&format!("{} {}, {}, {}", inst.op_code, a, b, c));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:482:22
[INFO] [stdout]     |
[INFO] [stdout] 482 |             ncurses::printw(&format!("{} = ", name));
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:488:22
[INFO] [stdout]     |
[INFO] [stdout] 488 |             ncurses::printw(&value.to_string());
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day19.rs:497:22
[INFO] [stdout]     |
[INFO] [stdout] 497 |             ncurses::printw("press [space] to step...");
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev` is never read
[INFO] [stdout]    --> src/bin/day19.rs:278:20
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let mut prev = None;
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/day19.rs:475:14
[INFO] [stdout]     |
[INFO] [stdout] 475 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 475 -             .into_iter()
[INFO] [stdout] 475 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 474 -         for (line, (name, value)) in ['0', '1', '2', '3', '4', '5']
[INFO] [stdout] 475 -             .into_iter()
[INFO] [stdout] 474 +         for (line, (name, value)) in IntoIterator::into_iter(['0', '1', '2', '3', '4', '5'])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/bin/day6.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 queue.extend(neigh(c).into_iter().map(|c| (*c, d + 1)));
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 68 -                 queue.extend(neigh(c).into_iter().map(|c| (*c, d + 1)));
[INFO] [stdout] 68 +                 queue.extend(neigh(c).iter().map(|c| (*c, d + 1)));
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 68 -                 queue.extend(neigh(c).into_iter().map(|c| (*c, d + 1)));
[INFO] [stdout] 68 +                 queue.extend(IntoIterator::into_iter(neigh(c)).map(|c| (*c, d + 1)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/day6.rs:159:35
[INFO] [stdout]     |
[INFO] [stdout] 159 |             queue.extend(neigh(c).into_iter());
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 159 -             queue.extend(neigh(c).into_iter());
[INFO] [stdout] 159 +             queue.extend(neigh(c).iter());
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 159 -             queue.extend(neigh(c).into_iter());
[INFO] [stdout] 159 +             queue.extend(IntoIterator::into_iter(neigh(c)));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day9.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut c = Box::<Data>::from_raw(ptr);
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/bin/day9.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 Box::from_raw(d);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let _ = Box::from_raw(d);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/bin/day9.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Box::from_raw(c);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let _ = Box::from_raw(c);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/day16.rs:455:14
[INFO] [stdout]     |
[INFO] [stdout] 455 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 455 -             .into_iter()
[INFO] [stdout] 455 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 454 -         for (line, (name, value)) in ['0', '1', '2', '3']
[INFO] [stdout] 455 -             .into_iter()
[INFO] [stdout] 454 +         for (line, (name, value)) in IntoIterator::into_iter(['0', '1', '2', '3'])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day18.rs:271:12
[INFO] [stdout]     |
[INFO] [stdout] 271 |         n::printw("press [enter] to exit...");
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/bin/day18.rs:304:16
[INFO] [stdout]     |
[INFO] [stdout] 304 |             n::printw(grid.get(pos).as_str());
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.89s
[INFO] running `Command { std: "docker" "inspect" "7a50cc59d658f250fd796ba35e0c22b3ea75427d87543070a3d9c45a24d3249c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a50cc59d658f250fd796ba35e0c22b3ea75427d87543070a3d9c45a24d3249c", kill_on_drop: false }`
[INFO] [stdout] 7a50cc59d658f250fd796ba35e0c22b3ea75427d87543070a3d9c45a24d3249c
