[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] building joshuazlin/Rusty-Knots against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuazlin%2FRusty-Knots" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshuazlin/Rusty-Knots on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/joshuazlin/Rusty-Knots already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0934987a7e4c8eaff79f5d56068ff344e04ec95d98c13dd4ebe35e71296e8df9
[INFO] running `Command { std: "docker" "start" "-a" "0934987a7e4c8eaff79f5d56068ff344e04ec95d98c13dd4ebe35e71296e8df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0934987a7e4c8eaff79f5d56068ff344e04ec95d98c13dd4ebe35e71296e8df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0934987a7e4c8eaff79f5d56068ff344e04ec95d98c13dd4ebe35e71296e8df9", kill_on_drop: false }`
[INFO] [stdout] 0934987a7e4c8eaff79f5d56068ff344e04ec95d98c13dd4ebe35e71296e8df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf01b94dde1eef462d4fd6d12ba18bc40d4fb9283835ef18959520475faf17ba
[INFO] running `Command { std: "docker" "start" "-a" "bf01b94dde1eef462d4fd6d12ba18bc40d4fb9283835ef18959520475faf17ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling piston-graphics_api_version v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling shader_version v0.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling png v0.16.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling visibility_graph v0.1.0 (/opt/rustwide/workdir/visibility_graph)
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusttype v0.8.3
[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)]` 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: associated function is never used: `distance`
[INFO] [stdout]   --> visibility_graph/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn distance(&self, v : &Point) -> f64{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> visibility_graph/src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn length(&self) -> f64{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.5
[INFO] [stderr]    Compiling pistoncore-input v0.28.1
[INFO] [stderr]    Compiling piston-gfx_texture v0.41.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.68.0
[INFO] [stderr]    Compiling pistoncore-window v0.45.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.50.0
[INFO] [stderr]    Compiling piston v0.50.0
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.64.0
[INFO] [stderr]    Compiling piston_window v0.109.0
[INFO] [stderr]    Compiling static_window v0.1.0 (/opt/rustwide/workdir/static_window)
[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)]` 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 is never read: `opengl`
[INFO] [stdout]   --> static_window/src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     opengl: OpenGL, // OpenGL drawing backend.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.09s
[INFO] running `Command { std: "docker" "inspect" "bf01b94dde1eef462d4fd6d12ba18bc40d4fb9283835ef18959520475faf17ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf01b94dde1eef462d4fd6d12ba18bc40d4fb9283835ef18959520475faf17ba", kill_on_drop: false }`
[INFO] [stdout] bf01b94dde1eef462d4fd6d12ba18bc40d4fb9283835ef18959520475faf17ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds