Dec 02 00:17:15.625 INFO testing arnodb/torus_trooper_rs against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 00:17:15.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 00:17:15.892 INFO [stdout] 8530b51d201e3ff5c58d852920028cdd9e2dc1f54a8656dddc22866a0941517a
Dec 02 00:17:15.894 INFO running `"docker" "start" "-a" "8530b51d201e3ff5c58d852920028cdd9e2dc1f54a8656dddc22866a0941517a"`
Dec 02 00:17:16.410 INFO [stderr] usermod: no changes
Dec 02 00:17:16.771 INFO [stderr]    Compiling rand_core v0.3.0
Dec 02 00:17:16.774 INFO [stderr]    Compiling wayland-scanner v0.21.4
Dec 02 00:17:16.779 INFO [stderr]    Compiling piston-viewport v0.4.0
Dec 02 00:17:16.779 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 02 00:17:16.779 INFO [stderr]    Compiling osmesa-sys v0.1.2
Dec 02 00:17:16.780 INFO [stderr]    Compiling ordered-float v1.0.1
Dec 02 00:17:16.780 INFO [stderr]    Compiling approx v0.3.0
Dec 02 00:17:16.783 INFO [stderr]    Compiling line_drawing v0.7.0
Dec 02 00:17:18.597 INFO [stderr]    Compiling x11-dl v2.18.3
Dec 02 00:17:18.604 INFO [stderr]    Compiling glutin v0.19.0
Dec 02 00:17:18.604 INFO [stderr]    Compiling torus_trooper v0.1.0 (/source)
Dec 02 00:17:18.604 INFO [stderr]    Compiling wayland-sys v0.21.4
Dec 02 00:17:18.659 INFO [stderr]    Compiling rusttype v0.5.2
Dec 02 00:17:20.751 INFO [stderr]    Compiling preferences v1.1.0
Dec 02 00:17:20.823 INFO [stderr]    Compiling num-derive v0.2.3
Dec 02 00:17:26.732 INFO [stderr]    Compiling rusttype v0.7.2
Dec 02 00:17:26.747 INFO [stderr]    Compiling rand_core v0.2.2
Dec 02 00:17:26.879 INFO [stderr]    Compiling rand_xorshift v0.1.0
Dec 02 00:17:26.968 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 02 00:17:28.575 INFO [stderr]    Compiling pistoncore-input v0.22.0
Dec 02 00:17:29.427 INFO [stderr]    Compiling wayland-client v0.21.4
Dec 02 00:17:29.728 INFO [stderr]    Compiling wayland-protocols v0.21.4
Dec 02 00:17:30.423 INFO [stderr]    Compiling wayland-commons v0.21.4
Dec 02 00:17:30.791 INFO [stderr]    Compiling piston2d-graphics v0.27.0
Dec 02 00:17:47.108 INFO [stderr]    Compiling wayland-client v0.20.12
Dec 02 00:17:47.247 INFO [stderr]    Compiling rand v0.5.5
Dec 02 00:17:47.306 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 02 00:17:50.936 INFO [stderr]    Compiling andrew v0.1.4
Dec 02 00:17:54.819 INFO [stderr]    Compiling pistoncore-window v0.33.0
Dec 02 00:18:03.147 INFO [stderr]    Compiling tiff v0.2.1
Dec 02 00:18:03.338 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 02 00:18:03.595 INFO [stderr]    Compiling rayon v1.0.3
Dec 02 00:18:03.615 INFO [stderr]    Compiling wayland-protocols v0.20.12
Dec 02 00:18:03.712 INFO [stderr]    Compiling pistoncore-event_loop v0.38.0
Dec 02 00:18:11.107 INFO [stderr]    Compiling piston v0.38.0
Dec 02 00:18:11.285 INFO [stderr]    Compiling parking_lot v0.6.4
Dec 02 00:18:23.195 INFO [stderr]    Compiling smithay-client-toolkit v0.3.0
Dec 02 00:18:24.211 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 02 00:18:29.754 INFO [stderr]    Compiling image v0.20.1
Dec 02 00:18:33.832 INFO [stderr]    Compiling winit v0.17.2
Dec 02 00:18:36.752 INFO [stderr]    Compiling smithay-client-toolkit v0.4.1
Dec 02 00:18:58.751 INFO [stderr]    Compiling winit v0.18.0
Dec 02 00:19:01.117 INFO [stderr]    Compiling glutin v0.18.0
Dec 02 00:19:01.648 INFO [stderr]    Compiling piston2d-opengl_graphics v0.55.0
Dec 02 00:19:18.019 INFO [stderr]    Compiling pistoncore-glutin_window v0.50.1
Dec 02 00:19:30.531 INFO [stderr] warning: unused variable: `brg_rank`
Dec 02 00:19:30.531 INFO [stderr]    --> src/tt/actor/enemy.rs:554:17
Dec 02 00:19:30.531 INFO [stderr]     |
Dec 02 00:19:30.531 INFO [stderr] 554 |             let brg_rank = level / (150.0 / brg_interval as f32);
Dec 02 00:19:30.531 INFO [stderr]     |                 ^^^^^^^^ help: consider using `_brg_rank` instead
Dec 02 00:19:30.531 INFO [stderr]     |
Dec 02 00:19:30.531 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 02 00:19:30.531 INFO [stderr] 
Dec 02 00:19:30.531 INFO [stderr] warning: unused variable: `level`
Dec 02 00:19:30.531 INFO [stderr]    --> src/tt/actor/enemy.rs:574:44
Dec 02 00:19:30.531 INFO [stderr]     |
Dec 02 00:19:30.531 INFO [stderr] 574 |         pub fn new_medium(rand: &mut Rand, level: f32, screen: &Screen) -> Self {
Dec 02 00:19:30.531 INFO [stderr]     |                                            ^^^^^ help: consider using `_level` instead
Dec 02 00:19:30.531 INFO [stderr] 
Dec 02 00:19:30.531 INFO [stderr] warning: unused variable: `level`
Dec 02 00:19:30.531 INFO [stderr]    --> src/tt/actor/enemy.rs:595:42
Dec 02 00:19:30.531 INFO [stderr]     |
Dec 02 00:19:30.531 INFO [stderr] 595 |         pub fn new_boss(rand: &mut Rand, level: f32, speed: f32, medium_boss: bool, screen: &Screen) -> Self {
Dec 02 00:19:30.531 INFO [stderr]     |                                          ^^^^^ help: consider using `_level` instead
Dec 02 00:19:30.531 INFO [stderr] 
Dec 02 00:19:30.531 INFO [stderr] warning: unused variable: `pos`
Dec 02 00:19:30.531 INFO [stderr]    --> src/tt/actor/shot.rs:164:9
Dec 02 00:19:30.531 INFO [stderr]     |
Dec 02 00:19:30.531 INFO [stderr] 164 |         pos: Vector,
Dec 02 00:19:30.531 INFO [stderr]     |         ^^^ help: consider using `_pos` instead
Dec 02 00:19:30.531 INFO [stderr] 
Dec 02 00:19:31.263 INFO [stderr] warning: field is never used: `no_fire_depth_limit`
Dec 02 00:19:31.263 INFO [stderr]    --> src/tt/actor/enemy.rs:545:9
Dec 02 00:19:31.263 INFO [stderr]     |
Dec 02 00:19:31.263 INFO [stderr] 545 |         no_fire_depth_limit: bool,
Dec 02 00:19:31.263 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:31.263 INFO [stderr]     |
Dec 02 00:19:31.263 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 02 00:19:31.263 INFO [stderr] 
Dec 02 00:19:31.263 INFO [stderr] warning: field is never used: `rocket_x`
Dec 02 00:19:31.263 INFO [stderr]   --> src/tt/shape/ship_shape.rs:15:5
Dec 02 00:19:31.263 INFO [stderr]    |
Dec 02 00:19:31.263 INFO [stderr] 15 |     rocket_x: Vec<f32>,
Dec 02 00:19:31.263 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 02 00:19:31.263 INFO [stderr] 
Dec 02 00:19:31.263 INFO [stderr] warning: method is never used: `draw_backward`
Dec 02 00:19:31.263 INFO [stderr]    --> src/tt/tunnel.rs:402:5
Dec 02 00:19:31.263 INFO [stderr]     |
Dec 02 00:19:31.263 INFO [stderr] 402 |     fn draw_backward(&mut self, draw_state: &SliceDrawState, screen: &Screen) {
Dec 02 00:19:31.263 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:31.263 INFO [stderr] 
Dec 02 00:19:31.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:31.279 INFO [stderr]    --> src/tt/tunnel.rs:495:9
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr] 495 |         write!(f, "( state: {:?}, d1: {:?}, d2: {:?}, point_from: {:?}, center_pos: {:?}, point_ratio: {:?}, point_pos: [", self.state, self.d1, self.d2, self.point_from, self.center_pos, self.point_ratio);
Dec 02 00:19:31.279 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 02 00:19:31.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:31.279 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 02 00:19:31.279 INFO [stderr] 
Dec 02 00:19:31.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:31.279 INFO [stderr]    --> src/tt/tunnel.rs:498:17
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr] 498 |                 write!(f, ", ");
Dec 02 00:19:31.279 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:31.279 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 02 00:19:31.279 INFO [stderr] 
Dec 02 00:19:31.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:31.279 INFO [stderr]    --> src/tt/tunnel.rs:500:13
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr] 500 |             write!(f, "{:?})", pos);
Dec 02 00:19:31.279 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:31.279 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 02 00:19:31.279 INFO [stderr] 
Dec 02 00:19:31.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:31.279 INFO [stderr]    --> src/tt/tunnel.rs:502:9
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr] 502 |         write!(f, "], depth: {:?})", self.depth);
Dec 02 00:19:31.279 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:31.279 INFO [stderr]     |
Dec 02 00:19:31.279 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:31.279 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 02 00:19:31.279 INFO [stderr] 
Dec 02 00:19:39.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
Dec 02 00:19:39.385 INFO [stderr] su: No module specific data is present
Dec 02 00:19:39.709 INFO running `"docker" "inspect" "8530b51d201e3ff5c58d852920028cdd9e2dc1f54a8656dddc22866a0941517a"`
Dec 02 00:19:39.923 INFO running `"docker" "rm" "-f" "8530b51d201e3ff5c58d852920028cdd9e2dc1f54a8656dddc22866a0941517a"`
Dec 02 00:19:40.082 INFO [stdout] 8530b51d201e3ff5c58d852920028cdd9e2dc1f54a8656dddc22866a0941517a
Dec 02 00:19:40.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 00:19:40.473 INFO [stdout] 8be0c70f0acdf085e8f313f6105dce5a867249c761b2f46817adb9865c0387b9
Dec 02 00:19:40.481 INFO running `"docker" "start" "-a" "8be0c70f0acdf085e8f313f6105dce5a867249c761b2f46817adb9865c0387b9"`
Dec 02 00:19:41.194 INFO [stderr] usermod: no changes
Dec 02 00:19:41.452 INFO [stderr]    Compiling torus_trooper v0.1.0 (/source)
Dec 02 00:19:48.227 INFO [stderr] warning: unused variable: `brg_rank`
Dec 02 00:19:48.227 INFO [stderr]    --> src/tt/actor/enemy.rs:554:17
Dec 02 00:19:48.227 INFO [stderr]     |
Dec 02 00:19:48.227 INFO [stderr] 554 |             let brg_rank = level / (150.0 / brg_interval as f32);
Dec 02 00:19:48.227 INFO [stderr]     |                 ^^^^^^^^ help: consider using `_brg_rank` instead
Dec 02 00:19:48.227 INFO [stderr]     |
Dec 02 00:19:48.227 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 02 00:19:48.227 INFO [stderr] 
Dec 02 00:19:48.227 INFO [stderr] warning: unused variable: `level`
Dec 02 00:19:48.227 INFO [stderr]    --> src/tt/actor/enemy.rs:574:44
Dec 02 00:19:48.227 INFO [stderr]     |
Dec 02 00:19:48.227 INFO [stderr] 574 |         pub fn new_medium(rand: &mut Rand, level: f32, screen: &Screen) -> Self {
Dec 02 00:19:48.227 INFO [stderr]     |                                            ^^^^^ help: consider using `_level` instead
Dec 02 00:19:48.227 INFO [stderr] 
Dec 02 00:19:48.227 INFO [stderr] warning: unused variable: `level`
Dec 02 00:19:48.227 INFO [stderr]    --> src/tt/actor/enemy.rs:595:42
Dec 02 00:19:48.227 INFO [stderr]     |
Dec 02 00:19:48.227 INFO [stderr] 595 |         pub fn new_boss(rand: &mut Rand, level: f32, speed: f32, medium_boss: bool, screen: &Screen) -> Self {
Dec 02 00:19:48.227 INFO [stderr]     |                                          ^^^^^ help: consider using `_level` instead
Dec 02 00:19:48.227 INFO [stderr] 
Dec 02 00:19:48.227 INFO [stderr] warning: unused variable: `pos`
Dec 02 00:19:48.227 INFO [stderr]    --> src/tt/actor/shot.rs:164:9
Dec 02 00:19:48.227 INFO [stderr]     |
Dec 02 00:19:48.227 INFO [stderr] 164 |         pos: Vector,
Dec 02 00:19:48.227 INFO [stderr]     |         ^^^ help: consider using `_pos` instead
Dec 02 00:19:48.227 INFO [stderr] 
Dec 02 00:19:48.977 INFO [stderr] warning: field is never used: `no_fire_depth_limit`
Dec 02 00:19:48.977 INFO [stderr]    --> src/tt/actor/enemy.rs:545:9
Dec 02 00:19:48.977 INFO [stderr]     |
Dec 02 00:19:48.977 INFO [stderr] 545 |         no_fire_depth_limit: bool,
Dec 02 00:19:48.977 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:48.977 INFO [stderr]     |
Dec 02 00:19:48.977 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 02 00:19:48.977 INFO [stderr] 
Dec 02 00:19:48.979 INFO [stderr] warning: field is never used: `rocket_x`
Dec 02 00:19:48.979 INFO [stderr]   --> src/tt/shape/ship_shape.rs:15:5
Dec 02 00:19:48.979 INFO [stderr]    |
Dec 02 00:19:48.979 INFO [stderr] 15 |     rocket_x: Vec<f32>,
Dec 02 00:19:48.979 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 02 00:19:48.979 INFO [stderr] 
Dec 02 00:19:48.980 INFO [stderr] warning: method is never used: `draw_backward`
Dec 02 00:19:48.980 INFO [stderr]    --> src/tt/tunnel.rs:402:5
Dec 02 00:19:48.980 INFO [stderr]     |
Dec 02 00:19:48.981 INFO [stderr] 402 |     fn draw_backward(&mut self, draw_state: &SliceDrawState, screen: &Screen) {
Dec 02 00:19:48.981 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:48.987 INFO [stderr] 
Dec 02 00:19:49.014 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:49.014 INFO [stderr]    --> src/tt/tunnel.rs:495:9
Dec 02 00:19:49.014 INFO [stderr]     |
Dec 02 00:19:49.014 INFO [stderr] 495 |         write!(f, "( state: {:?}, d1: {:?}, d2: {:?}, point_from: {:?}, center_pos: {:?}, point_ratio: {:?}, point_pos: [", self.state, self.d1, self.d2, self.point_from, self.center_pos, self.point_ratio);
Dec 02 00:19:49.014 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:49.014 INFO [stderr]     |
Dec 02 00:19:49.014 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 02 00:19:49.014 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:49.015 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 02 00:19:49.015 INFO [stderr] 
Dec 02 00:19:49.015 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:49.015 INFO [stderr]    --> src/tt/tunnel.rs:498:17
Dec 02 00:19:49.015 INFO [stderr]     |
Dec 02 00:19:49.015 INFO [stderr] 498 |                 write!(f, ", ");
Dec 02 00:19:49.015 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^
Dec 02 00:19:49.015 INFO [stderr]     |
Dec 02 00:19:49.015 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:49.015 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 02 00:19:49.015 INFO [stderr] 
Dec 02 00:19:49.015 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:49.015 INFO [stderr]    --> src/tt/tunnel.rs:500:13
Dec 02 00:19:49.015 INFO [stderr]     |
Dec 02 00:19:49.016 INFO [stderr] 500 |             write!(f, "{:?})", pos);
Dec 02 00:19:49.016 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:49.016 INFO [stderr]     |
Dec 02 00:19:49.016 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:49.016 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 02 00:19:49.016 INFO [stderr] 
Dec 02 00:19:49.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 00:19:49.016 INFO [stderr]    --> src/tt/tunnel.rs:502:9
Dec 02 00:19:49.016 INFO [stderr]     |
Dec 02 00:19:49.016 INFO [stderr] 502 |         write!(f, "], depth: {:?})", self.depth);
Dec 02 00:19:49.016 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 00:19:49.016 INFO [stderr]     |
Dec 02 00:19:49.016 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 00:19:49.016 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 02 00:19:49.016 INFO [stderr] 
Dec 02 00:19:50.110 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
Dec 02 00:19:50.131 INFO [stderr] su: No module specific data is present
Dec 02 00:19:50.700 INFO running `"docker" "inspect" "8be0c70f0acdf085e8f313f6105dce5a867249c761b2f46817adb9865c0387b9"`
Dec 02 00:19:51.068 INFO running `"docker" "rm" "-f" "8be0c70f0acdf085e8f313f6105dce5a867249c761b2f46817adb9865c0387b9"`
Dec 02 00:19:51.310 INFO [stdout] 8be0c70f0acdf085e8f313f6105dce5a867249c761b2f46817adb9865c0387b9
Dec 02 00:19:51.315 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 00:19:51.692 INFO [stdout] 617d4f41a4cf5f6fd78a7167717dc74bedea7782ecf233dbd3ad9fc7e550a681
Dec 02 00:19:51.696 INFO running `"docker" "start" "-a" "617d4f41a4cf5f6fd78a7167717dc74bedea7782ecf233dbd3ad9fc7e550a681"`
Dec 02 00:19:52.730 INFO [stderr] usermod: no changes
Dec 02 00:19:53.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Dec 02 00:19:53.042 INFO [stderr]      Running /target/debug/deps/torus_trooper-da71e3d4bc83e2a0
Dec 02 00:19:53.065 INFO [stdout] 
Dec 02 00:19:53.065 INFO [stdout] running 0 tests
Dec 02 00:19:53.065 INFO [stdout] 
Dec 02 00:19:53.065 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 00:19:53.065 INFO [stdout] 
Dec 02 00:19:53.072 INFO [stderr] su: No module specific data is present
Dec 02 00:19:53.772 INFO running `"docker" "inspect" "617d4f41a4cf5f6fd78a7167717dc74bedea7782ecf233dbd3ad9fc7e550a681"`
Dec 02 00:19:54.132 INFO running `"docker" "rm" "-f" "617d4f41a4cf5f6fd78a7167717dc74bedea7782ecf233dbd3ad9fc7e550a681"`
Dec 02 00:19:54.462 INFO [stdout] 617d4f41a4cf5f6fd78a7167717dc74bedea7782ecf233dbd3ad9fc7e550a681
