Dec 19 12:40:58.110 INFO checking michel4ngel0/show_and_tell against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:40:58.110 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/michel4ngel0/show_and_tell:/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 12:40:58.784 INFO [stdout] 867d8d957441a3dab1922cbf94e9bb3cabcf36202c9a676e9153a5e6f5bf015f
Dec 19 12:40:58.786 INFO running `"docker" "start" "-a" "867d8d957441a3dab1922cbf94e9bb3cabcf36202c9a676e9153a5e6f5bf015f"`
Dec 19 12:41:00.625 INFO [stderr]    Compiling bitflags v0.5.0
Dec 19 12:41:00.651 INFO [stderr]     Checking cgmath v0.12.0
Dec 19 12:41:01.118 INFO [stderr]    Compiling xml-rs v0.3.6
Dec 19 12:41:05.920 INFO [stderr]    Compiling wayland-scanner v0.7.8
Dec 19 12:41:05.920 INFO [stderr]    Compiling gl_generator v0.5.2
Dec 19 12:41:09.713 INFO [stderr]    Compiling wayland-client v0.7.8
Dec 19 12:41:09.888 INFO [stderr]    Compiling gl v0.6.1
Dec 19 12:41:09.889 INFO [stderr]    Compiling glutin v0.7.4
Dec 19 12:41:16.016 INFO [stderr]     Checking wayland-kbd v0.6.3
Dec 19 12:41:16.016 INFO [stderr]     Checking wayland-window v0.4.4
Dec 19 12:41:17.112 INFO [stderr]     Checking winit v0.5.11
Dec 19 12:41:24.608 INFO [stderr]     Checking show_and_tell v0.1.0 (/opt/crater/workdir)
Dec 19 12:41:25.172 INFO [stderr] warning: unused import: `std::f64::consts::E`
Dec 19 12:41:25.172 INFO [stderr]  --> src/visualization/camera.rs:2:5
Dec 19 12:41:25.172 INFO [stderr]   |
Dec 19 12:41:25.172 INFO [stderr] 2 | use std::f64::consts::E;
Dec 19 12:41:25.172 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:41:25.172 INFO [stderr]   |
Dec 19 12:41:25.172 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:41:25.172 INFO [stderr] 
Dec 19 12:41:25.184 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 19 12:41:25.184 INFO [stderr]    --> src/visualization/core.rs:201:9
Dec 19 12:41:25.184 INFO [stderr]     |
Dec 19 12:41:25.184 INFO [stderr] 201 |     use std::ops::Deref;
Dec 19 12:41:25.184 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 12:41:25.184 INFO [stderr] 
Dec 19 12:41:25.596 INFO [stderr] warning: unused import: `std::f64::consts::E`
Dec 19 12:41:25.596 INFO [stderr]  --> src/visualization/camera.rs:2:5
Dec 19 12:41:25.596 INFO [stderr]   |
Dec 19 12:41:25.596 INFO [stderr] 2 | use std::f64::consts::E;
Dec 19 12:41:25.596 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:41:25.596 INFO [stderr]   |
Dec 19 12:41:25.596 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:41:25.596 INFO [stderr] 
Dec 19 12:41:25.596 INFO [stderr] warning: unused import: `std::ops::Deref`
Dec 19 12:41:25.596 INFO [stderr]    --> src/visualization/core.rs:201:9
Dec 19 12:41:25.596 INFO [stderr]     |
Dec 19 12:41:25.596 INFO [stderr] 201 |     use std::ops::Deref;
Dec 19 12:41:25.596 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 12:41:25.596 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: unused variable: `time_now`
Dec 19 12:41:25.809 INFO [stderr]   --> src/server/core.rs:51:17
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr] 51 |             let time_now = Instant::now();
Dec 19 12:41:25.809 INFO [stderr]    |                 ^^^^^^^^ help: consider using `_time_now` instead
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: unused variable: `turn`
Dec 19 12:41:25.809 INFO [stderr]   --> src/visualization/camera.rs:47:35
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
Dec 19 12:41:25.809 INFO [stderr]    |                                   ^^^^ help: consider using `_turn` instead
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: variable `is_left_pressed` is assigned to, but never used
Dec 19 12:41:25.809 INFO [stderr]   --> src/visualization/core.rs:69:17
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr] 69 |         let mut is_left_pressed   = false;
Dec 19 12:41:25.809 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr]    = note: consider using `_is_left_pressed` instead
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: variable `is_middle_pressed` is assigned to, but never used
Dec 19 12:41:25.809 INFO [stderr]   --> src/visualization/core.rs:71:17
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr] 71 |         let mut is_middle_pressed = false;
Dec 19 12:41:25.809 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^
Dec 19 12:41:25.809 INFO [stderr]    |
Dec 19 12:41:25.809 INFO [stderr]    = note: consider using `_is_middle_pressed` instead
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: value assigned to `window_x` is never read
Dec 19 12:41:25.809 INFO [stderr]    --> src/visualization/core.rs:105:25
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr] 105 |                         window_x = x;
Dec 19 12:41:25.809 INFO [stderr]     |                         ^^^^^^^^
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 12:41:25.809 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: value assigned to `is_left_pressed` is never read
Dec 19 12:41:25.809 INFO [stderr]    --> src/visualization/core.rs:134:39
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr] 134 |                             Left   => is_left_pressed   = value,
Dec 19 12:41:25.809 INFO [stderr]     |                                       ^^^^^^^^^^^^^^^
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: value assigned to `is_middle_pressed` is never read
Dec 19 12:41:25.809 INFO [stderr]    --> src/visualization/core.rs:136:39
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr] 136 |                             Middle => is_middle_pressed = value,
Dec 19 12:41:25.809 INFO [stderr]     |                                       ^^^^^^^^^^^^^^^^^
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.809 INFO [stderr] warning: value assigned to `x_pos` is never read
Dec 19 12:41:25.809 INFO [stderr]    --> src/visualization/render.rs:485:25
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr] 485 |                 let mut x_pos = 0.0;
Dec 19 12:41:25.809 INFO [stderr]     |                         ^^^^^
Dec 19 12:41:25.809 INFO [stderr]     |
Dec 19 12:41:25.809 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:25.809 INFO [stderr] 
Dec 19 12:41:25.871 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:41:25.871 INFO [stderr]   --> src/visualization/camera.rs:74:13
Dec 19 12:41:25.871 INFO [stderr]    |
Dec 19 12:41:25.871 INFO [stderr] 74 |         let mut result = if height <= 10.0 { 1.0 } else { 0.1 * (height - 10.0) + 1.0 };
Dec 19 12:41:25.871 INFO [stderr]    |             ----^^^^^^
Dec 19 12:41:25.871 INFO [stderr]    |             |
Dec 19 12:41:25.871 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:41:25.871 INFO [stderr]    |
Dec 19 12:41:25.871 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:41:25.871 INFO [stderr] 
Dec 19 12:41:26.080 INFO [stderr] warning: method is never used: `turn_around`
Dec 19 12:41:26.080 INFO [stderr]   --> src/visualization/camera.rs:47:5
Dec 19 12:41:26.080 INFO [stderr]    |
Dec 19 12:41:26.080 INFO [stderr] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
Dec 19 12:41:26.080 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:41:26.080 INFO [stderr]    |
Dec 19 12:41:26.080 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:41:26.080 INFO [stderr] 
Dec 19 12:41:26.080 INFO [stderr] warning: field is never used: `config_file`
Dec 19 12:41:26.080 INFO [stderr]   --> src/visualization/configuration.rs:61:5
Dec 19 12:41:26.080 INFO [stderr]    |
Dec 19 12:41:26.080 INFO [stderr] 61 |     config_file: String,
Dec 19 12:41:26.080 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:41:26.080 INFO [stderr] 
Dec 19 12:41:26.373 INFO [stderr] warning: unused variable: `time_now`
Dec 19 12:41:26.373 INFO [stderr]   --> src/server/core.rs:51:17
Dec 19 12:41:26.373 INFO [stderr]    |
Dec 19 12:41:26.373 INFO [stderr] 51 |             let time_now = Instant::now();
Dec 19 12:41:26.373 INFO [stderr]    |                 ^^^^^^^^ help: consider using `_time_now` instead
Dec 19 12:41:26.373 INFO [stderr]    |
Dec 19 12:41:26.373 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:41:26.373 INFO [stderr] 
Dec 19 12:41:26.380 INFO [stderr] warning: unused variable: `turn`
Dec 19 12:41:26.380 INFO [stderr]   --> src/visualization/camera.rs:47:35
Dec 19 12:41:26.380 INFO [stderr]    |
Dec 19 12:41:26.380 INFO [stderr] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
Dec 19 12:41:26.380 INFO [stderr]    |                                   ^^^^ help: consider using `_turn` instead
Dec 19 12:41:26.380 INFO [stderr] 
Dec 19 12:41:26.380 INFO [stderr] warning: variable `is_left_pressed` is assigned to, but never used
Dec 19 12:41:26.380 INFO [stderr]   --> src/visualization/core.rs:69:17
Dec 19 12:41:26.381 INFO [stderr]    |
Dec 19 12:41:26.381 INFO [stderr] 69 |         let mut is_left_pressed   = false;
Dec 19 12:41:26.381 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 19 12:41:26.381 INFO [stderr]    |
Dec 19 12:41:26.381 INFO [stderr]    = note: consider using `_is_left_pressed` instead
Dec 19 12:41:26.381 INFO [stderr] 
Dec 19 12:41:26.381 INFO [stderr] warning: variable `is_middle_pressed` is assigned to, but never used
Dec 19 12:41:26.381 INFO [stderr]   --> src/visualization/core.rs:71:17
Dec 19 12:41:26.381 INFO [stderr]    |
Dec 19 12:41:26.381 INFO [stderr] 71 |         let mut is_middle_pressed = false;
Dec 19 12:41:26.381 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^
Dec 19 12:41:26.381 INFO [stderr]    |
Dec 19 12:41:26.381 INFO [stderr]    = note: consider using `_is_middle_pressed` instead
Dec 19 12:41:26.381 INFO [stderr] 
Dec 19 12:41:26.381 INFO [stderr] warning: value assigned to `window_x` is never read
Dec 19 12:41:26.381 INFO [stderr]    --> src/visualization/core.rs:105:25
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr] 105 |                         window_x = x;
Dec 19 12:41:26.381 INFO [stderr]     |                         ^^^^^^^^
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 12:41:26.381 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:26.381 INFO [stderr] 
Dec 19 12:41:26.381 INFO [stderr] warning: value assigned to `is_left_pressed` is never read
Dec 19 12:41:26.381 INFO [stderr]    --> src/visualization/core.rs:134:39
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr] 134 |                             Left   => is_left_pressed   = value,
Dec 19 12:41:26.381 INFO [stderr]     |                                       ^^^^^^^^^^^^^^^
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:26.381 INFO [stderr] 
Dec 19 12:41:26.381 INFO [stderr] warning: value assigned to `is_middle_pressed` is never read
Dec 19 12:41:26.381 INFO [stderr]    --> src/visualization/core.rs:136:39
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr] 136 |                             Middle => is_middle_pressed = value,
Dec 19 12:41:26.381 INFO [stderr]     |                                       ^^^^^^^^^^^^^^^^^
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:26.381 INFO [stderr] 
Dec 19 12:41:26.381 INFO [stderr] warning: value assigned to `x_pos` is never read
Dec 19 12:41:26.381 INFO [stderr]    --> src/visualization/render.rs:485:25
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr] 485 |                 let mut x_pos = 0.0;
Dec 19 12:41:26.381 INFO [stderr]     |                         ^^^^^
Dec 19 12:41:26.381 INFO [stderr]     |
Dec 19 12:41:26.381 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 12:41:26.381 INFO [stderr] 
Dec 19 12:41:26.492 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:41:26.492 INFO [stderr]   --> src/visualization/camera.rs:74:13
Dec 19 12:41:26.492 INFO [stderr]    |
Dec 19 12:41:26.492 INFO [stderr] 74 |         let mut result = if height <= 10.0 { 1.0 } else { 0.1 * (height - 10.0) + 1.0 };
Dec 19 12:41:26.492 INFO [stderr]    |             ----^^^^^^
Dec 19 12:41:26.492 INFO [stderr]    |             |
Dec 19 12:41:26.492 INFO [stderr]    |             help: remove this `mut`
Dec 19 12:41:26.492 INFO [stderr]    |
Dec 19 12:41:26.492 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:41:26.492 INFO [stderr] 
Dec 19 12:41:26.676 INFO [stderr] warning: method is never used: `turn_around`
Dec 19 12:41:26.676 INFO [stderr]   --> src/visualization/camera.rs:47:5
Dec 19 12:41:26.676 INFO [stderr]    |
Dec 19 12:41:26.676 INFO [stderr] 47 |     pub fn turn_around(&mut self, turn: Vector2<f32>) {
Dec 19 12:41:26.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:41:26.676 INFO [stderr]    |
Dec 19 12:41:26.676 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:41:26.676 INFO [stderr] 
Dec 19 12:41:26.676 INFO [stderr] warning: field is never used: `config_file`
Dec 19 12:41:26.676 INFO [stderr]   --> src/visualization/configuration.rs:61:5
Dec 19 12:41:26.676 INFO [stderr]    |
Dec 19 12:41:26.676 INFO [stderr] 61 |     config_file: String,
Dec 19 12:41:26.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:41:26.676 INFO [stderr] 
Dec 19 12:41:27.036 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.63s
Dec 19 12:41:27.588 INFO running `"docker" "inspect" "867d8d957441a3dab1922cbf94e9bb3cabcf36202c9a676e9153a5e6f5bf015f"`
Dec 19 12:41:27.755 INFO running `"docker" "rm" "-f" "867d8d957441a3dab1922cbf94e9bb3cabcf36202c9a676e9153a5e6f5bf015f"`
Dec 19 12:41:28.007 INFO [stdout] 867d8d957441a3dab1922cbf94e9bb3cabcf36202c9a676e9153a5e6f5bf015f