Dec 19 19:45:59.477 INFO checking bluecereal/t-render against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:45:59.478 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/bluecereal/t-render:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:45:59.898 INFO [stdout] 7ad369f9864ffa87d923b4c55c9dd28417896ca481fc9b2efac87bd789f29669
Dec 19 19:45:59.902 INFO running `"docker" "start" "-a" "7ad369f9864ffa87d923b4c55c9dd28417896ca481fc9b2efac87bd789f29669"`
Dec 19 19:46:01.724 INFO [stderr]     Checking termion v1.1.4
Dec 19 19:46:02.588 INFO [stderr]     Checking t-render v0.1.0 (/opt/crater/workdir)
Dec 19 19:46:02.852 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 19 19:46:02.853 INFO [stderr]  --> src/execution.rs:6:5
Dec 19 19:46:02.853 INFO [stderr]   |
Dec 19 19:46:02.853 INFO [stderr] 6 | use std::fmt::Display;
Dec 19 19:46:02.853 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.853 INFO [stderr]   |
Dec 19 19:46:02.853 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:46:02.853 INFO [stderr] 
Dec 19 19:46:02.921 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:02.921 INFO [stderr]  --> src/vertex.rs:4:9
Dec 19 19:46:02.921 INFO [stderr]   |
Dec 19 19:46:02.922 INFO [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
Dec 19 19:46:02.922 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:02.922 INFO [stderr]   |         |
Dec 19 19:46:02.922 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:02.922 INFO [stderr]   |
Dec 19 19:46:02.922 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 19:46:02.922 INFO [stderr] 
Dec 19 19:46:02.922 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:02.922 INFO [stderr]  --> src/vertex.rs:5:9
Dec 19 19:46:02.922 INFO [stderr]   |
Dec 19 19:46:02.922 INFO [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
Dec 19 19:46:02.922 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:02.922 INFO [stderr]   |         |
Dec 19 19:46:02.922 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:02.922 INFO [stderr] 
Dec 19 19:46:02.974 INFO [stderr] warning: function is never used: `distance_between`
Dec 19 19:46:02.974 INFO [stderr]  --> src/vertex.rs:3:1
Dec 19 19:46:02.974 INFO [stderr]   |
Dec 19 19:46:02.974 INFO [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
Dec 19 19:46:02.974 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.974 INFO [stderr]   |
Dec 19 19:46:02.974 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 19:46:02.974 INFO [stderr] 
Dec 19 19:46:02.974 INFO [stderr] warning: struct is never constructed: `Comparer`
Dec 19 19:46:02.974 INFO [stderr]  --> src/compare.rs:8:1
Dec 19 19:46:02.974 INFO [stderr]   |
Dec 19 19:46:02.974 INFO [stderr] 8 | pub struct Comparer<T: Comparable> {
Dec 19 19:46:02.974 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.974 INFO [stderr] 
Dec 19 19:46:02.974 INFO [stderr] warning: method is never used: `new`
Dec 19 19:46:02.974 INFO [stderr]   --> src/compare.rs:14:5
Dec 19 19:46:02.974 INFO [stderr]    |
Dec 19 19:46:02.974 INFO [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
Dec 19 19:46:02.974 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.974 INFO [stderr] 
Dec 19 19:46:02.974 INFO [stderr] warning: method is never used: `update`
Dec 19 19:46:02.974 INFO [stderr]   --> src/compare.rs:21:5
Dec 19 19:46:02.974 INFO [stderr]    |
Dec 19 19:46:02.974 INFO [stderr] 21 |     pub fn update(&mut self) {
Dec 19 19:46:02.974 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.974 INFO [stderr] 
Dec 19 19:46:02.974 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:02.974 INFO [stderr]   --> src/execution.rs:26:9
Dec 19 19:46:02.974 INFO [stderr]    |
Dec 19 19:46:02.974 INFO [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
Dec 19 19:46:02.974 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.975 INFO [stderr]    |
Dec 19 19:46:02.975 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:46:02.975 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:02.975 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 19 19:46:02.975 INFO [stderr] 
Dec 19 19:46:02.975 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:02.975 INFO [stderr]   --> src/execution.rs:28:13
Dec 19 19:46:02.975 INFO [stderr]    |
Dec 19 19:46:02.975 INFO [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
Dec 19 19:46:02.975 INFO [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
Dec 19 19:46:02.975 INFO [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
Dec 19 19:46:02.975 INFO [stderr] 31 | |                );
Dec 19 19:46:02.975 INFO [stderr]    | |_________________^
Dec 19 19:46:02.975 INFO [stderr]    |
Dec 19 19:46:02.975 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:02.975 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 19 19:46:02.975 INFO [stderr] 
Dec 19 19:46:02.984 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:02.984 INFO [stderr]   --> src/execution.rs:32:13
Dec 19 19:46:02.984 INFO [stderr]    |
Dec 19 19:46:02.984 INFO [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
Dec 19 19:46:02.984 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.984 INFO [stderr]    |
Dec 19 19:46:02.984 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:02.984 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 19 19:46:02.984 INFO [stderr] 
Dec 19 19:46:02.996 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 19 19:46:02.996 INFO [stderr]  --> src/execution.rs:6:5
Dec 19 19:46:02.996 INFO [stderr]   |
Dec 19 19:46:02.996 INFO [stderr] 6 | use std::fmt::Display;
Dec 19 19:46:02.996 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 19:46:02.996 INFO [stderr]   |
Dec 19 19:46:02.996 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:46:02.996 INFO [stderr] 
Dec 19 19:46:03.098 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:03.098 INFO [stderr]  --> src/vertex.rs:4:9
Dec 19 19:46:03.098 INFO [stderr]   |
Dec 19 19:46:03.098 INFO [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
Dec 19 19:46:03.098 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:03.098 INFO [stderr]   |         |
Dec 19 19:46:03.098 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:03.098 INFO [stderr]   |
Dec 19 19:46:03.098 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 19:46:03.098 INFO [stderr] 
Dec 19 19:46:03.098 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:03.098 INFO [stderr]  --> src/vertex.rs:5:9
Dec 19 19:46:03.098 INFO [stderr]   |
Dec 19 19:46:03.098 INFO [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
Dec 19 19:46:03.098 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:03.098 INFO [stderr]   |         |
Dec 19 19:46:03.098 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:03.098 INFO [stderr] 
Dec 19 19:46:03.128 INFO [stderr] warning: function is never used: `distance_between`
Dec 19 19:46:03.128 INFO [stderr]  --> src/vertex.rs:3:1
Dec 19 19:46:03.128 INFO [stderr]   |
Dec 19 19:46:03.128 INFO [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
Dec 19 19:46:03.128 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.128 INFO [stderr]   |
Dec 19 19:46:03.128 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 19:46:03.128 INFO [stderr] 
Dec 19 19:46:03.128 INFO [stderr] warning: struct is never constructed: `Comparer`
Dec 19 19:46:03.128 INFO [stderr]  --> src/compare.rs:8:1
Dec 19 19:46:03.128 INFO [stderr]   |
Dec 19 19:46:03.128 INFO [stderr] 8 | pub struct Comparer<T: Comparable> {
Dec 19 19:46:03.128 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.128 INFO [stderr] 
Dec 19 19:46:03.128 INFO [stderr] warning: method is never used: `new`
Dec 19 19:46:03.128 INFO [stderr]   --> src/compare.rs:14:5
Dec 19 19:46:03.128 INFO [stderr]    |
Dec 19 19:46:03.128 INFO [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
Dec 19 19:46:03.128 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.128 INFO [stderr] 
Dec 19 19:46:03.128 INFO [stderr] warning: method is never used: `update`
Dec 19 19:46:03.128 INFO [stderr]   --> src/compare.rs:21:5
Dec 19 19:46:03.128 INFO [stderr]    |
Dec 19 19:46:03.128 INFO [stderr] 21 |     pub fn update(&mut self) {
Dec 19 19:46:03.128 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.128 INFO [stderr] 
Dec 19 19:46:03.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.130 INFO [stderr]   --> src/execution.rs:26:9
Dec 19 19:46:03.130 INFO [stderr]    |
Dec 19 19:46:03.130 INFO [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
Dec 19 19:46:03.130 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.130 INFO [stderr]    |
Dec 19 19:46:03.130 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:46:03.130 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.130 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 19 19:46:03.130 INFO [stderr] 
Dec 19 19:46:03.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.130 INFO [stderr]   --> src/execution.rs:28:13
Dec 19 19:46:03.130 INFO [stderr]    |
Dec 19 19:46:03.130 INFO [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
Dec 19 19:46:03.130 INFO [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
Dec 19 19:46:03.130 INFO [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
Dec 19 19:46:03.130 INFO [stderr] 31 | |                );
Dec 19 19:46:03.130 INFO [stderr]    | |_________________^
Dec 19 19:46:03.130 INFO [stderr]    |
Dec 19 19:46:03.130 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.130 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 19 19:46:03.130 INFO [stderr] 
Dec 19 19:46:03.130 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.130 INFO [stderr]   --> src/execution.rs:32:13
Dec 19 19:46:03.130 INFO [stderr]    |
Dec 19 19:46:03.130 INFO [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
Dec 19 19:46:03.130 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.130 INFO [stderr]    |
Dec 19 19:46:03.130 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.130 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 19 19:46:03.130 INFO [stderr] 
Dec 19 19:46:03.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 19 19:46:04.024 INFO running `"docker" "inspect" "7ad369f9864ffa87d923b4c55c9dd28417896ca481fc9b2efac87bd789f29669"`
Dec 19 19:46:04.362 INFO running `"docker" "rm" "-f" "7ad369f9864ffa87d923b4c55c9dd28417896ca481fc9b2efac87bd789f29669"`
Dec 19 19:46:04.598 INFO [stdout] 7ad369f9864ffa87d923b4c55c9dd28417896ca481fc9b2efac87bd789f29669