[INFO] cloning repository https://github.com/MakarovIlya944/rust-gui-polynom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MakarovIlya944/rust-gui-polynom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakarovIlya944%2Frust-gui-polynom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakarovIlya944%2Frust-gui-polynom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b29ca2a8090734e190b1ffdd1b25c516c6beebeb
[INFO] checking MakarovIlya944/rust-gui-polynom against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakarovIlya944%2Frust-gui-polynom" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MakarovIlya944/rust-gui-polynom
[INFO] finished tweaking git repo https://github.com/MakarovIlya944/rust-gui-polynom
[INFO] tweaked toml for git repo https://github.com/MakarovIlya944/rust-gui-polynom written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MakarovIlya944/rust-gui-polynom on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 190 packages to highest compatible versions
[INFO] [stderr]       Adding nix v0.20.0 (available: v0.20.2)
[INFO] [stderr]       Adding piston v0.45.0 (available: v1.0.0)
[INFO] [stderr]       Adding piston2d-graphics v0.40.0 (available: v0.45.0)
[INFO] [stderr]       Adding piston2d-opengl_graphics v0.78.0 (available: v0.89.0)
[INFO] [stderr]       Adding piston_window v0.120.0 (available: v0.147.0)
[INFO] [stderr]       Adding pistoncore-glutin_window v0.69.0 (available: v0.73.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.47.1
[INFO] [stderr]   Downloaded wayland-client v0.28.6
[INFO] [stderr]   Downloaded wayland-sys v0.28.6
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded either v1.18.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.69.0
[INFO] [stderr]   Downloaded glutin v0.26.0
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded wayland-scanner v0.28.6
[INFO] [stderr]   Downloaded andrew v0.3.1
[INFO] [stderr]   Downloaded piston v0.45.0
[INFO] [stderr]   Downloaded wayland-cursor v0.28.6
[INFO] [stderr]   Downloaded piston-gfx_texture v0.41.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.23
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v0.2.0
[INFO] [stderr]   Downloaded wayland-commons v0.28.6
[INFO] [stderr]   Downloaded pistoncore-input v0.25.1
[INFO] [stderr]   Downloaded smallvec v1.16.1
[INFO] [stderr]   Downloaded piston v0.53.2
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.1
[INFO] [stderr]   Downloaded wayland-egl v0.28.6
[INFO] [stderr]   Downloaded piston2d-graphics v0.40.0
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.73.0
[INFO] [stderr]   Downloaded spin_sleep v1.3.3
[INFO] [stderr]   Downloaded calloop v0.6.5
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.8
[INFO] [stderr]   Downloaded crc32fast v1.5.2
[INFO] [stderr]   Downloaded piston_window v0.120.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.21
[INFO] [stderr]   Downloaded wayland-protocols v0.28.6
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.78.0
[INFO] [stderr]   Downloaded pistoncore-window v0.40.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.45.0
[INFO] [stderr]   Downloaded glutin_emscripten_sys v0.1.1
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6
[INFO] running `Command { std: "docker" "start" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking piston-viewport v1.0.2
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]     Checking dlib v0.5.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking xcursor v0.3.11
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking num-iter v0.1.46
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking piston2d-graphics v0.40.0
[INFO] [stderr]     Checking gfx v0.18.3
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking spin_sleep v1.3.3
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking pistoncore-input v0.25.1
[INFO] [stderr]     Checking pistoncore-window v0.40.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.45.0
[INFO] [stderr]     Checking piston v0.45.0
[INFO] [stderr]     Checking pistoncore-window v0.47.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.1
[INFO] [stderr]     Checking piston v0.53.2
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.78.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.73.0
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.69.0
[INFO] [stderr]     Checking piston_window v0.120.0
[INFO] [stderr]     Checking line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `dist` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut dist = 0.;
[INFO] [stdout]    |                        ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 24 |             dist = points[_i][0] - points[_i-1][0];
[INFO] [stdout]    |             -------------------------------------- `dist` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut t = 0.;
[INFO] [stdout]    |                     ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 23 |             t = 0.;
[INFO] [stdout]    |             ------ `t` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `df0` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut df0 = 0.;
[INFO] [stdout]    |                       ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 29 |                 df0 = (points[_i][1] - points[_i-1][1]) / dist;
[INFO] [stdout]    |                 ---------------------------------------------- `df0` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `df1` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut df1 = 0.;
[INFO] [stdout]    |                       ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 30 |                 df1 = df0;
[INFO] [stdout]    |                 --------- `df1` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut x = 0.;
[INFO] [stdout]    |                     ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 39 |                 x = t * dist + points[_i-1][0];
[INFO] [stdout]    |                 ------------------------------ `x` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |           let mut y = 0.;
[INFO] [stdout]    |                       ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 40 | /                 y = (2.*t3 - 3.*t2 + 1.) * points[_i-1][1] +
[INFO] [stdout] 41 | |                 (t3 - 2.*t2 + t) * df0 +
[INFO] [stdout] 42 | |                 (-2.*t3 + 3.*t2) * points[_i][1] +
[INFO] [stdout] 43 | |                 (t3 - t2) * df1;
[INFO] [stdout]    | |_______________________________- `y` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dist` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut dist = 0.;
[INFO] [stdout]    |                        ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 24 |             dist = points[_i][0] - points[_i-1][0];
[INFO] [stdout]    |             -------------------------------------- `dist` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut t = 0.;
[INFO] [stdout]    |                     ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 23 |             t = 0.;
[INFO] [stdout]    |             ------ `t` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `df0` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut df0 = 0.;
[INFO] [stdout]    |                       ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 29 |                 df0 = (points[_i][1] - points[_i-1][1]) / dist;
[INFO] [stdout]    |                 ---------------------------------------------- `df0` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `df1` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut df1 = 0.;
[INFO] [stdout]    |                       ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 30 |                 df1 = df0;
[INFO] [stdout]    |                 --------- `df1` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut x = 0.;
[INFO] [stdout]    |                     ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 39 |                 x = t * dist + points[_i-1][0];
[INFO] [stdout]    |                 ------------------------------ `x` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |           let mut y = 0.;
[INFO] [stdout]    |                       ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 40 | /                 y = (2.*t3 - 3.*t2 + 1.) * points[_i-1][1] +
[INFO] [stdout] 41 | |                 (t3 - 2.*t2 + t) * df0 +
[INFO] [stdout] 42 | |                 (-2.*t3 + 3.*t2) * points[_i][1] +
[INFO] [stdout] 43 | |                 (t3 - t2) * df1;
[INFO] [stdout]    | |_______________________________- `y` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `find_folder`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | find_folder = "0.3.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `find_folder`
[INFO] [stderr] warning: unused dependency `piston2d-opengl_graphics`
[INFO] [stderr]  --> Cargo.toml:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | piston2d-opengl_graphics = "0.78.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `piston2d-opengl_graphics`
[INFO] [stderr] warning: unused dependency `piston`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | piston = "0.45.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `piston`
[INFO] [stderr] warning: `line` (manifest) generated 3 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6", kill_on_drop: false }`
[INFO] [stdout] 7e8d336f74bd41094167f882b3155f6706d9ee9f670adbecc4bbfbd6b9905de6
