[INFO] cloning repository https://github.com/joshuazlin/Rusty-Knots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshuazlin/Rusty-Knots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuazlin%2FRusty-Knots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuazlin%2FRusty-Knots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f431bde1fb1f13acc3045e480e6a7fabc29e5b27
[INFO] checking joshuazlin/Rusty-Knots against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuazlin%2FRusty-Knots" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joshuazlin/Rusty-Knots
[INFO] finished tweaking git repo https://github.com/joshuazlin/Rusty-Knots
[INFO] tweaked toml for git repo https://github.com/joshuazlin/Rusty-Knots written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joshuazlin/Rusty-Knots on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joshuazlin/Rusty-Knots already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcb788d1557c6aab8bfc0254b5c522cf5e17f1c93a4d7edf6a4681fb32c5ac2c
[INFO] running `Command { std: "docker" "start" "-a" "bcb788d1557c6aab8bfc0254b5c522cf5e17f1c93a4d7edf6a4681fb32c5ac2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb788d1557c6aab8bfc0254b5c522cf5e17f1c93a4d7edf6a4681fb32c5ac2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb788d1557c6aab8bfc0254b5c522cf5e17f1c93a4d7edf6a4681fb32c5ac2c", kill_on_drop: false }`
[INFO] [stdout] bcb788d1557c6aab8bfc0254b5c522cf5e17f1c93a4d7edf6a4681fb32c5ac2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4edb1f2ebd4fcfc2cd9d077655bf873c5e63519138b8246dc1b64e89f592714
[INFO] running `Command { std: "docker" "start" "-a" "e4edb1f2ebd4fcfc2cd9d077655bf873c5e63519138b8246dc1b64e89f592714", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking visibility_graph v0.1.0 (/opt/rustwide/workdir/visibility_graph)
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]   --> visibility_graph/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let x = Point{ 
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_e`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let temp_e = Edge(&self.vertices[e.0],&self.vertices[e.1]);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         for i in 1..num_verts{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let g = VisibilityGraph::random(500.0,500.0,100,20,0.01);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length` is never used
[INFO] [stdout]   --> visibility_graph/src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Edge<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 46 |     fn length(&self) -> f64{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]   --> visibility_graph/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_e`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let temp_e = Edge(&self.vertices[e.0],&self.vertices[e.1]);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> visibility_graph/src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         for i in 1..num_verts{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance` is never used
[INFO] [stdout]   --> visibility_graph/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Point {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 20 |     fn distance(&self, v : &Point) -> f64{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length` is never used
[INFO] [stdout]   --> visibility_graph/src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Edge<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 46 |     fn length(&self) -> f64{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking image v0.23.5
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.68.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking pistoncore-input v0.28.1
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking pistoncore-window v0.45.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.50.0
[INFO] [stderr]     Checking piston v0.50.0
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.64.0
[INFO] [stderr]     Checking piston_window v0.109.0
[INFO] [stderr]     Checking static_window v0.1.0 (/opt/rustwide/workdir/static_window)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> static_window/src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dashed`
[INFO] [stdout]   --> static_window/src/lib.rs:52:61
[INFO] [stdout]    |
[INFO] [stdout] 52 |             GraphicsElement::LineElement{x1,y1,x2,y2,radius,dashed,c} => line(c.to_rgb(),*radius,[*x1,*y1,*x2,*y2],t, g),
[INFO] [stdout]    |                                                             ^^^^^^ help: try ignoring the field: `dashed: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> static_window/src/lib.rs:100:38
[INFO] [stdout]     |
[INFO] [stdout] 100 |             self.window.draw_2d(&e, |c,g,_| {clear([1.0;4],g)});
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opengl` is never read
[INFO] [stdout]   --> static_window/src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct StaticWindow {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 74 |     opengl: OpenGL, // OpenGL drawing backend.
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dashed`
[INFO] [stdout]   --> static_window/src/lib.rs:52:61
[INFO] [stdout]    |
[INFO] [stdout] 52 |             GraphicsElement::LineElement{x1,y1,x2,y2,radius,dashed,c} => line(c.to_rgb(),*radius,[*x1,*y1,*x2,*y2],t, g),
[INFO] [stdout]    |                                                             ^^^^^^ help: try ignoring the field: `dashed: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> static_window/src/lib.rs:100:38
[INFO] [stdout]     |
[INFO] [stdout] 100 |             self.window.draw_2d(&e, |c,g,_| {clear([1.0;4],g)});
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opengl` is never read
[INFO] [stdout]   --> static_window/src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct StaticWindow {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 74 |     opengl: OpenGL, // OpenGL drawing backend.
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.58s
[INFO] running `Command { std: "docker" "inspect" "e4edb1f2ebd4fcfc2cd9d077655bf873c5e63519138b8246dc1b64e89f592714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4edb1f2ebd4fcfc2cd9d077655bf873c5e63519138b8246dc1b64e89f592714", kill_on_drop: false }`
[INFO] [stdout] e4edb1f2ebd4fcfc2cd9d077655bf873c5e63519138b8246dc1b64e89f592714
