Dec 11 21:41:29.736 INFO checking bluecereal/t-render against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:41:29.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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 11 21:41:30.176 INFO [stdout] b2784acd8cc05d956357210483077b953601fd0bb05a5343d096dbc74497ae41
Dec 11 21:41:30.178 INFO running `"docker" "start" "-a" "b2784acd8cc05d956357210483077b953601fd0bb05a5343d096dbc74497ae41"`
Dec 11 21:41:31.278 INFO [stderr] usermod: no changes
Dec 11 21:41:31.356 INFO [stderr]     Checking termion v1.1.4
Dec 11 21:41:32.260 INFO [stderr]     Checking t-render v0.1.0 (/source)
Dec 11 21:41:32.752 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 11 21:41:32.752 INFO [stderr]  --> src/execution.rs:6:5
Dec 11 21:41:32.752 INFO [stderr]   |
Dec 11 21:41:32.752 INFO [stderr] 6 | use std::fmt::Display;
Dec 11 21:41:32.752 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.752 INFO [stderr]   |
Dec 11 21:41:32.752 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 21:41:32.752 INFO [stderr] 
Dec 11 21:41:32.801 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:41:32.801 INFO [stderr]  --> src/vertex.rs:4:9
Dec 11 21:41:32.801 INFO [stderr]   |
Dec 11 21:41:32.801 INFO [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
Dec 11 21:41:32.801 INFO [stderr]   |         ----^^^^^^^^^^
Dec 11 21:41:32.801 INFO [stderr]   |         |
Dec 11 21:41:32.801 INFO [stderr]   |         help: remove this `mut`
Dec 11 21:41:32.801 INFO [stderr]   |
Dec 11 21:41:32.801 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 21:41:32.801 INFO [stderr] 
Dec 11 21:41:32.801 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:41:32.801 INFO [stderr]  --> src/vertex.rs:5:9
Dec 11 21:41:32.801 INFO [stderr]   |
Dec 11 21:41:32.801 INFO [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
Dec 11 21:41:32.801 INFO [stderr]   |         ----^^^^^^^^^^
Dec 11 21:41:32.801 INFO [stderr]   |         |
Dec 11 21:41:32.801 INFO [stderr]   |         help: remove this `mut`
Dec 11 21:41:32.801 INFO [stderr] 
Dec 11 21:41:32.816 INFO [stderr] warning: function is never used: `distance_between`
Dec 11 21:41:32.816 INFO [stderr]  --> src/vertex.rs:3:1
Dec 11 21:41:32.816 INFO [stderr]   |
Dec 11 21:41:32.816 INFO [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
Dec 11 21:41:32.816 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.816 INFO [stderr]   |
Dec 11 21:41:32.816 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 21:41:32.816 INFO [stderr] 
Dec 11 21:41:32.816 INFO [stderr] warning: struct is never constructed: `Comparer`
Dec 11 21:41:32.816 INFO [stderr]  --> src/compare.rs:8:1
Dec 11 21:41:32.816 INFO [stderr]   |
Dec 11 21:41:32.817 INFO [stderr] 8 | pub struct Comparer<T: Comparable> {
Dec 11 21:41:32.817 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.817 INFO [stderr] 
Dec 11 21:41:32.817 INFO [stderr] warning: method is never used: `new`
Dec 11 21:41:32.817 INFO [stderr]   --> src/compare.rs:14:5
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
Dec 11 21:41:32.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.817 INFO [stderr] 
Dec 11 21:41:32.817 INFO [stderr] warning: method is never used: `update`
Dec 11 21:41:32.817 INFO [stderr]   --> src/compare.rs:21:5
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr] 21 |     pub fn update(&mut self) {
Dec 11 21:41:32.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.817 INFO [stderr] 
Dec 11 21:41:32.817 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:41:32.817 INFO [stderr]   --> src/execution.rs:26:9
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
Dec 11 21:41:32.817 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 21:41:32.817 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:41:32.817 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 11 21:41:32.817 INFO [stderr] 
Dec 11 21:41:32.817 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:41:32.817 INFO [stderr]   --> src/execution.rs:28:13
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
Dec 11 21:41:32.817 INFO [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
Dec 11 21:41:32.817 INFO [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
Dec 11 21:41:32.817 INFO [stderr] 31 | |                );
Dec 11 21:41:32.817 INFO [stderr]    | |_________________^
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:41:32.817 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 11 21:41:32.817 INFO [stderr] 
Dec 11 21:41:32.817 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:41:32.817 INFO [stderr]   --> src/execution.rs:32:13
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
Dec 11 21:41:32.817 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.817 INFO [stderr]    |
Dec 11 21:41:32.817 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:41:32.817 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 11 21:41:32.817 INFO [stderr] 
Dec 11 21:41:32.897 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 11 21:41:32.897 INFO [stderr]  --> src/execution.rs:6:5
Dec 11 21:41:32.897 INFO [stderr]   |
Dec 11 21:41:32.897 INFO [stderr] 6 | use std::fmt::Display;
Dec 11 21:41:32.897 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.897 INFO [stderr]   |
Dec 11 21:41:32.897 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 21:41:32.897 INFO [stderr] 
Dec 11 21:41:32.948 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:41:32.948 INFO [stderr]  --> src/vertex.rs:4:9
Dec 11 21:41:32.948 INFO [stderr]   |
Dec 11 21:41:32.948 INFO [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
Dec 11 21:41:32.948 INFO [stderr]   |         ----^^^^^^^^^^
Dec 11 21:41:32.948 INFO [stderr]   |         |
Dec 11 21:41:32.948 INFO [stderr]   |         help: remove this `mut`
Dec 11 21:41:32.948 INFO [stderr]   |
Dec 11 21:41:32.948 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 21:41:32.948 INFO [stderr] 
Dec 11 21:41:32.948 INFO [stderr] warning: variable does not need to be mutable
Dec 11 21:41:32.948 INFO [stderr]  --> src/vertex.rs:5:9
Dec 11 21:41:32.948 INFO [stderr]   |
Dec 11 21:41:32.948 INFO [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
Dec 11 21:41:32.948 INFO [stderr]   |         ----^^^^^^^^^^
Dec 11 21:41:32.948 INFO [stderr]   |         |
Dec 11 21:41:32.948 INFO [stderr]   |         help: remove this `mut`
Dec 11 21:41:32.948 INFO [stderr] 
Dec 11 21:41:32.963 INFO [stderr] warning: function is never used: `distance_between`
Dec 11 21:41:32.963 INFO [stderr]  --> src/vertex.rs:3:1
Dec 11 21:41:32.963 INFO [stderr]   |
Dec 11 21:41:32.963 INFO [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
Dec 11 21:41:32.963 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.963 INFO [stderr]   |
Dec 11 21:41:32.964 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 21:41:32.964 INFO [stderr] 
Dec 11 21:41:32.964 INFO [stderr] warning: struct is never constructed: `Comparer`
Dec 11 21:41:32.964 INFO [stderr]  --> src/compare.rs:8:1
Dec 11 21:41:32.964 INFO [stderr]   |
Dec 11 21:41:32.964 INFO [stderr] 8 | pub struct Comparer<T: Comparable> {
Dec 11 21:41:32.964 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.964 INFO [stderr] 
Dec 11 21:41:32.964 INFO [stderr] warning: method is never used: `new`
Dec 11 21:41:32.964 INFO [stderr]   --> src/compare.rs:14:5
Dec 11 21:41:32.964 INFO [stderr]    |
Dec 11 21:41:32.964 INFO [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
Dec 11 21:41:32.964 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.964 INFO [stderr] 
Dec 11 21:41:32.964 INFO [stderr] warning: method is never used: `update`
Dec 11 21:41:32.964 INFO [stderr]   --> src/compare.rs:21:5
Dec 11 21:41:32.964 INFO [stderr]    |
Dec 11 21:41:32.964 INFO [stderr] 21 |     pub fn update(&mut self) {
Dec 11 21:41:32.964 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.964 INFO [stderr] 
Dec 11 21:41:32.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:41:32.964 INFO [stderr]   --> src/execution.rs:26:9
Dec 11 21:41:32.964 INFO [stderr]    |
Dec 11 21:41:32.964 INFO [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
Dec 11 21:41:32.964 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.964 INFO [stderr]    |
Dec 11 21:41:32.964 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 21:41:32.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:41:32.964 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 11 21:41:32.964 INFO [stderr] 
Dec 11 21:41:32.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:41:32.964 INFO [stderr]   --> src/execution.rs:28:13
Dec 11 21:41:32.964 INFO [stderr]    |
Dec 11 21:41:32.964 INFO [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
Dec 11 21:41:32.965 INFO [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
Dec 11 21:41:32.965 INFO [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
Dec 11 21:41:32.965 INFO [stderr] 31 | |                );
Dec 11 21:41:32.965 INFO [stderr]    | |_________________^
Dec 11 21:41:32.965 INFO [stderr]    |
Dec 11 21:41:32.965 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:41:32.965 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 11 21:41:32.965 INFO [stderr] 
Dec 11 21:41:32.965 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:41:32.965 INFO [stderr]   --> src/execution.rs:32:13
Dec 11 21:41:32.965 INFO [stderr]    |
Dec 11 21:41:32.965 INFO [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
Dec 11 21:41:32.965 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:41:32.965 INFO [stderr]    |
Dec 11 21:41:32.965 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:41:32.965 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 11 21:41:32.965 INFO [stderr] 
Dec 11 21:41:33.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 11 21:41:33.003 INFO [stderr] su: No module specific data is present
Dec 11 21:41:33.744 INFO running `"docker" "inspect" "b2784acd8cc05d956357210483077b953601fd0bb05a5343d096dbc74497ae41"`
Dec 11 21:41:34.142 INFO running `"docker" "rm" "-f" "b2784acd8cc05d956357210483077b953601fd0bb05a5343d096dbc74497ae41"`
Dec 11 21:41:34.386 INFO [stdout] b2784acd8cc05d956357210483077b953601fd0bb05a5343d096dbc74497ae41