Dec 19 19:46:00.376 INFO checking bluecereal/t-render against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:46:00.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:46:00.854 INFO [stdout] 88e9eed8ea5cea290609d23eda1fe35f7645b4ed3f71cfafbf088f15cf56a338
Dec 19 19:46:00.856 INFO running `"docker" "start" "-a" "88e9eed8ea5cea290609d23eda1fe35f7645b4ed3f71cfafbf088f15cf56a338"`
Dec 19 19:46:02.716 INFO [stderr]     Checking t-render v0.1.0 (/opt/crater/workdir)
Dec 19 19:46:03.098 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 19 19:46:03.098 INFO [stderr]  --> src/execution.rs:6:5
Dec 19 19:46:03.098 INFO [stderr]   |
Dec 19 19:46:03.098 INFO [stderr] 6 | use std::fmt::Display;
Dec 19 19:46:03.098 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.098 INFO [stderr]   |
Dec 19 19:46:03.098 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:46:03.098 INFO [stderr] 
Dec 19 19:46:03.166 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:03.166 INFO [stderr]  --> src/vertex.rs:4:9
Dec 19 19:46:03.166 INFO [stderr]   |
Dec 19 19:46:03.166 INFO [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
Dec 19 19:46:03.167 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:03.167 INFO [stderr]   |         |
Dec 19 19:46:03.167 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:03.167 INFO [stderr]   |
Dec 19 19:46:03.167 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 19:46:03.167 INFO [stderr] 
Dec 19 19:46:03.167 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:03.167 INFO [stderr]  --> src/vertex.rs:5:9
Dec 19 19:46:03.167 INFO [stderr]   |
Dec 19 19:46:03.167 INFO [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
Dec 19 19:46:03.167 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:03.167 INFO [stderr]   |         |
Dec 19 19:46:03.167 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:03.167 INFO [stderr] 
Dec 19 19:46:03.186 INFO [stderr] warning: function is never used: `distance_between`
Dec 19 19:46:03.186 INFO [stderr]  --> src/vertex.rs:3:1
Dec 19 19:46:03.186 INFO [stderr]   |
Dec 19 19:46:03.186 INFO [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
Dec 19 19:46:03.186 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.186 INFO [stderr]   |
Dec 19 19:46:03.186 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 19:46:03.186 INFO [stderr] 
Dec 19 19:46:03.186 INFO [stderr] warning: struct is never constructed: `Comparer`
Dec 19 19:46:03.186 INFO [stderr]  --> src/compare.rs:8:1
Dec 19 19:46:03.186 INFO [stderr]   |
Dec 19 19:46:03.186 INFO [stderr] 8 | pub struct Comparer<T: Comparable> {
Dec 19 19:46:03.186 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.186 INFO [stderr] 
Dec 19 19:46:03.186 INFO [stderr] warning: method is never used: `new`
Dec 19 19:46:03.186 INFO [stderr]   --> src/compare.rs:14:5
Dec 19 19:46:03.186 INFO [stderr]    |
Dec 19 19:46:03.186 INFO [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
Dec 19 19:46:03.186 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.186 INFO [stderr] 
Dec 19 19:46:03.186 INFO [stderr] warning: method is never used: `update`
Dec 19 19:46:03.186 INFO [stderr]   --> src/compare.rs:21:5
Dec 19 19:46:03.186 INFO [stderr]    |
Dec 19 19:46:03.186 INFO [stderr] 21 |     pub fn update(&mut self) {
Dec 19 19:46:03.186 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.186 INFO [stderr] 
Dec 19 19:46:03.187 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.187 INFO [stderr]   --> src/execution.rs:26:9
Dec 19 19:46:03.187 INFO [stderr]    |
Dec 19 19:46:03.187 INFO [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
Dec 19 19:46:03.187 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.188 INFO [stderr]    |
Dec 19 19:46:03.188 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:46:03.188 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.188 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 19:46:03.188 INFO [stderr] 
Dec 19 19:46:03.188 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.188 INFO [stderr]   --> src/execution.rs:28:13
Dec 19 19:46:03.188 INFO [stderr]    |
Dec 19 19:46:03.188 INFO [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
Dec 19 19:46:03.188 INFO [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
Dec 19 19:46:03.188 INFO [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
Dec 19 19:46:03.188 INFO [stderr] 31 | |                );
Dec 19 19:46:03.188 INFO [stderr]    | |_________________^
Dec 19 19:46:03.188 INFO [stderr]    |
Dec 19 19:46:03.188 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.188 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 19:46:03.188 INFO [stderr] 
Dec 19 19:46:03.188 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.188 INFO [stderr]   --> src/execution.rs:32:13
Dec 19 19:46:03.188 INFO [stderr]    |
Dec 19 19:46:03.188 INFO [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
Dec 19 19:46:03.188 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.188 INFO [stderr]    |
Dec 19 19:46:03.188 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.188 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 19:46:03.188 INFO [stderr] 
Dec 19 19:46:03.256 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 19 19:46:03.256 INFO [stderr]  --> src/execution.rs:6:5
Dec 19 19:46:03.256 INFO [stderr]   |
Dec 19 19:46:03.256 INFO [stderr] 6 | use std::fmt::Display;
Dec 19 19:46:03.256 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.256 INFO [stderr]   |
Dec 19 19:46:03.256 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:46:03.256 INFO [stderr] 
Dec 19 19:46:03.304 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:03.304 INFO [stderr]  --> src/vertex.rs:4:9
Dec 19 19:46:03.304 INFO [stderr]   |
Dec 19 19:46:03.304 INFO [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
Dec 19 19:46:03.305 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:03.305 INFO [stderr]   |         |
Dec 19 19:46:03.305 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:03.305 INFO [stderr]   |
Dec 19 19:46:03.305 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 19:46:03.305 INFO [stderr] 
Dec 19 19:46:03.305 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:46:03.305 INFO [stderr]  --> src/vertex.rs:5:9
Dec 19 19:46:03.305 INFO [stderr]   |
Dec 19 19:46:03.305 INFO [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
Dec 19 19:46:03.305 INFO [stderr]   |         ----^^^^^^^^^^
Dec 19 19:46:03.305 INFO [stderr]   |         |
Dec 19 19:46:03.305 INFO [stderr]   |         help: remove this `mut`
Dec 19 19:46:03.305 INFO [stderr] 
Dec 19 19:46:03.320 INFO [stderr] warning: function is never used: `distance_between`
Dec 19 19:46:03.320 INFO [stderr]  --> src/vertex.rs:3:1
Dec 19 19:46:03.320 INFO [stderr]   |
Dec 19 19:46:03.320 INFO [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
Dec 19 19:46:03.320 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.320 INFO [stderr]   |
Dec 19 19:46:03.320 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 19:46:03.320 INFO [stderr] 
Dec 19 19:46:03.320 INFO [stderr] warning: struct is never constructed: `Comparer`
Dec 19 19:46:03.320 INFO [stderr]  --> src/compare.rs:8:1
Dec 19 19:46:03.320 INFO [stderr]   |
Dec 19 19:46:03.320 INFO [stderr] 8 | pub struct Comparer<T: Comparable> {
Dec 19 19:46:03.320 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.320 INFO [stderr] 
Dec 19 19:46:03.320 INFO [stderr] warning: method is never used: `new`
Dec 19 19:46:03.320 INFO [stderr]   --> src/compare.rs:14:5
Dec 19 19:46:03.321 INFO [stderr]    |
Dec 19 19:46:03.321 INFO [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
Dec 19 19:46:03.321 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.321 INFO [stderr] 
Dec 19 19:46:03.321 INFO [stderr] warning: method is never used: `update`
Dec 19 19:46:03.321 INFO [stderr]   --> src/compare.rs:21:5
Dec 19 19:46:03.321 INFO [stderr]    |
Dec 19 19:46:03.321 INFO [stderr] 21 |     pub fn update(&mut self) {
Dec 19 19:46:03.321 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.321 INFO [stderr] 
Dec 19 19:46:03.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.321 INFO [stderr]   --> src/execution.rs:26:9
Dec 19 19:46:03.321 INFO [stderr]    |
Dec 19 19:46:03.321 INFO [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
Dec 19 19:46:03.321 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.321 INFO [stderr]    |
Dec 19 19:46:03.321 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:46:03.322 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.322 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 19:46:03.322 INFO [stderr] 
Dec 19 19:46:03.322 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.322 INFO [stderr]   --> src/execution.rs:28:13
Dec 19 19:46:03.322 INFO [stderr]    |
Dec 19 19:46:03.322 INFO [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
Dec 19 19:46:03.322 INFO [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
Dec 19 19:46:03.322 INFO [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
Dec 19 19:46:03.322 INFO [stderr] 31 | |                );
Dec 19 19:46:03.322 INFO [stderr]    | |_________________^
Dec 19 19:46:03.322 INFO [stderr]    |
Dec 19 19:46:03.322 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.323 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 19:46:03.323 INFO [stderr] 
Dec 19 19:46:03.323 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:46:03.323 INFO [stderr]   --> src/execution.rs:32:13
Dec 19 19:46:03.323 INFO [stderr]    |
Dec 19 19:46:03.323 INFO [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
Dec 19 19:46:03.323 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:46:03.323 INFO [stderr]    |
Dec 19 19:46:03.323 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:46:03.323 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 19:46:03.323 INFO [stderr] 
Dec 19 19:46:03.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 19 19:46:04.130 INFO running `"docker" "inspect" "88e9eed8ea5cea290609d23eda1fe35f7645b4ed3f71cfafbf088f15cf56a338"`
Dec 19 19:46:04.438 INFO running `"docker" "rm" "-f" "88e9eed8ea5cea290609d23eda1fe35f7645b4ed3f71cfafbf088f15cf56a338"`
Dec 19 19:46:04.888 INFO [stdout] 88e9eed8ea5cea290609d23eda1fe35f7645b4ed3f71cfafbf088f15cf56a338