[INFO] cloning repository https://github.com/gre/one-day-one-plot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gre/one-day-one-plot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre%2Fone-day-one-plot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre%2Fone-day-one-plot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6be7a62ab157ab30caf63f2fc67e2a95a2fc42f8
[INFO] checking gre/one-day-one-plot against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgre%2Fone-day-one-plot" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  28% (127/453)
Updating files:  29% (132/453)
Updating files:  30% (136/453)
Updating files:  31% (141/453)
Updating files:  32% (145/453)
Updating files:  33% (150/453)
Updating files:  34% (155/453)
Updating files:  35% (159/453)
Updating files:  36% (164/453)
Updating files:  37% (168/453)
Updating files:  38% (173/453)
Updating files:  39% (177/453)
Updating files:  40% (182/453)
Updating files:  41% (186/453)
Updating files:  42% (191/453)
Updating files:  43% (195/453)
Updating files:  44% (200/453)
Updating files:  45% (204/453)
Updating files:  46% (209/453)
Updating files:  47% (213/453)
Updating files:  48% (218/453)
Updating files:  49% (222/453)
Updating files:  50% (227/453)
Updating files:  51% (232/453)
Updating files:  52% (236/453)
Updating files:  53% (241/453)
Updating files:  54% (245/453)
Updating files:  55% (250/453)
Updating files:  56% (254/453)
Updating files:  57% (259/453)
Updating files:  58% (263/453)
Updating files:  59% (268/453)
Updating files:  60% (272/453)
Updating files:  61% (277/453)
Updating files:  62% (281/453)
Updating files:  63% (286/453)
Updating files:  63% (287/453)
Updating files:  64% (290/453)
Updating files:  65% (295/453)
Updating files:  66% (299/453)
Updating files:  67% (304/453)
Updating files:  68% (309/453)
Updating files:  69% (313/453)
Updating files:  70% (318/453)
Updating files:  71% (322/453)
Updating files:  72% (327/453)
Updating files:  72% (328/453)
Updating files:  73% (331/453)
Updating files:  74% (336/453)
Updating files:  75% (340/453)
Updating files:  76% (345/453)
Updating files:  77% (349/453)
Updating files:  78% (354/453)
Updating files:  79% (358/453)
Updating files:  80% (363/453)
Updating files:  81% (367/453)
Updating files:  82% (372/453)
Updating files:  83% (376/453)
Updating files:  84% (381/453)
Updating files:  85% (386/453)
Updating files:  86% (390/453)
Updating files:  87% (395/453)
Updating files:  88% (399/453)
Updating files:  89% (404/453)
Updating files:  90% (408/453)
Updating files:  91% (413/453)
Updating files:  92% (417/453)
Updating files:  93% (422/453)
Updating files:  94% (426/453)
Updating files:  95% (431/453)
Updating files:  96% (435/453)
Updating files:  97% (440/453)
Updating files:  98% (444/453)
Updating files:  99% (449/453)
Updating files: 100% (453/453)
Updating files: 100% (453/453), done.
[INFO] validating manifest of git repo https://github.com/gre/one-day-one-plot on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gre/one-day-one-plot
[INFO] finished tweaking git repo https://github.com/gre/one-day-one-plot
[INFO] tweaked toml for git repo https://github.com/gre/one-day-one-plot written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gre/one-day-one-plot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05a81c377f68c7a0d3634cafef0c9dcf1ec8f28fe5284beddcb8385143f3fac4
[INFO] running `Command { std: "docker" "start" "-a" "05a81c377f68c7a0d3634cafef0c9dcf1ec8f28fe5284beddcb8385143f3fac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05a81c377f68c7a0d3634cafef0c9dcf1ec8f28fe5284beddcb8385143f3fac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a81c377f68c7a0d3634cafef0c9dcf1ec8f28fe5284beddcb8385143f3fac4", kill_on_drop: false }`
[INFO] [stdout] 05a81c377f68c7a0d3634cafef0c9dcf1ec8f28fe5284beddcb8385143f3fac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c1e30c51d3b4ad7aaabe9232798caee03493e130fc6e39568a01d9c23df7a59
[INFO] running `Command { std: "docker" "start" "-a" "7c1e30c51d3b4ad7aaabe9232798caee03493e130fc6e39568a01d9c23df7a59", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]     Checking glow v0.6.1
[INFO] [stderr]     Checking svg v0.8.2
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking geographiclib-rs v0.2.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking metaheuristics v0.0.12
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking travelling_salesman v1.0.16
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking euclid v0.22.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking voronoi v0.1.4
[INFO] [stderr]     Checking lyon_geom v0.17.0
[INFO] [stderr]     Checking rstar v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking geo-types v0.7.1
[INFO] [stderr]     Checking lyon_path v0.17.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking geo v0.17.1
[INFO] [stderr]     Checking lyon_algorithms v0.17.2
[INFO] [stderr]     Checking lyon_tessellation v0.17.5
[INFO] [stderr]     Checking lyon v0.17.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]     Checking wayland-egl v0.28.5
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking noise v0.7.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking nalgebra v0.24.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking glutin v0.25.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking rkm v0.8.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking ncollide3d v0.27.0
[INFO] [stderr]     Checking kiss3d v0.29.0
[INFO] [stderr]     Checking gre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> examples/078/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `layer`
[INFO] [stdout]  --> examples/wip_029_circles_portrait/main.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gre::{grayscale, image_get_color, layer, signature};
[INFO] [stdout]   |                                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `geo::algorithm::centroid::Centroid`
[INFO] [stdout]  --> examples/018/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use geo::algorithm::centroid::Centroid;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/wip_029_circles_portrait/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut document = Document::new()
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/019/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 |     get: &Fn((f64, f64)) -> f64,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((f64, f64)) -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/019/main.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     osc_curve: &Fn(f64) -> f64,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle`
[INFO] [stdout]   --> examples/019/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let angle = if ltr { 0.0 } else { PI };
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_angle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/095/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut c: Vec<(f64, f64)> =
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> examples/unreleased_planet_holes_02/main.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let width = 297.;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> examples/unreleased_20_parametric/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gre::smoothstep`
[INFO] [stdout]  --> examples/028/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gre::smoothstep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> examples/028/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         (3.0 * perlin.get([9. * x, 9. * y, seed])
[INFO] [stdout] 44 | |             + (0.1 + x) * 3.0 * perlin.get([20. * x, 20. * y, seed + 2.0]))
[INFO] [stdout]    | |___________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 |         3.0 * perlin.get([9. * x, 9. * y, seed])
[INFO] [stdout] 44 |             + (0.1 + x) * 3.0 * perlin.get([20. * x, 20. * y, seed + 2.0])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NoiseFn`
[INFO] [stdout]  --> examples/037/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use noise::{NoiseFn, Perlin};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `perlin`
[INFO] [stdout]   --> examples/037/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let perlin = Perlin::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_perlin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/037/main.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let mut xp = (i as f64) / (nb as f64);
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/028/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut document = Document::new()
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `layer`
[INFO] [stdout]  --> examples/028/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn layer(id: &str) -> Group {
[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] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]   --> examples/028/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Config {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `geo::algorithm::area::Area`
[INFO] [stdout]  --> examples/047/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use geo::algorithm::area::Area;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gre::smoothstep`
[INFO] [stdout]  --> examples/023/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use gre::smoothstep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `geo::prelude::EuclideanDistance`
[INFO] [stdout]  --> examples/098/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use geo::prelude::EuclideanDistance;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `noise`
[INFO] [stdout]  --> examples/049/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use noise::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Area`
[INFO] [stdout]  --> examples/wip_ai_voronoi/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use geo::prelude::{Area, BoundingRect, Contains};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> examples/unreleased_planet_holes_03/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut rng = rng_from_seed(seed);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/unreleased_planet_holes_03/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut rng = rng_from_seed(seed);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/unreleased_planet_holes_03/main.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let mut route = (0
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> examples/097/main.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |         |p: (f64, f64), initial_angle, length| {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/097/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut routes =
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> examples/088/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> examples/082/main.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |                      length|
[INFO] [stdout]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/082/main.rs:57:39
[INFO] [stdout]    |
[INFO] [stdout] 57 |         initial_data.iter().map(|&(p, a)| p).collect();
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> examples/082/main.rs:60:36
[INFO] [stdout]    |
[INFO] [stdout] 60 |         initial_data.iter().map(|&(p, a)| a).collect();
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parametric`
[INFO] [stdout]   --> examples/082/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut parametric = initial_positions.clone();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parametric`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/wip_drop_lines/main.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 |         |(x, y): (f64, f64), _length, i| -> f64 {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/082/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut parametric = initial_positions.clone();
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/082/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut build_route = |p: (f64, f64), l, route_i| {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `divisor`
[INFO] [stdout]    --> examples/wip_drop_lines/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     divisor: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `power`
[INFO] [stdout]    --> examples/wip_drop_lines/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     power: f64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `noise::*`
[INFO] [stdout]  --> examples/template/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use noise::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]  --> examples/template/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn art(opts: Opts) -> Vec<Group> {
[INFO] [stdout]   |        ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `seed`
[INFO] [stdout]   --> examples/template/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     seed: f64,
[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] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> examples/040/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/084/main.rs:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 |         initial_data.iter().map(|&(p, a)| p).collect();
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> examples/084/main.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |         initial_data.iter().map(|&(p, a)| a).collect();
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `normalized`
[INFO] [stdout]   --> examples/084/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let normalized = normalize_in_boundaries(p, bounds);
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_normalized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `perlin`
[INFO] [stdout]   --> examples/084/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let perlin = Perlin::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_perlin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]   --> examples/084/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn art(seed: f64) -> Vec<Group> {
[INFO] [stdout]    |        ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/084/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut build_route = |p: (f64, f64), l, route_i| {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> examples/unreleased_planet_holes_04/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut rng = rng_from_seed(seed);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/unreleased_planet_holes_04/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut rng = rng_from_seed(seed);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/unreleased_planet_holes_04/main.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let mut route = (0
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `noise`
[INFO] [stdout]  --> examples/077/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use noise::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/077/main.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         .map(|i| {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rowsD` should have a snake case name
[INFO] [stdout]   --> examples/008/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let rowsD = 4.0;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `rows_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kiss3d::light::*`
[INFO] [stdout]  --> examples/wip_017_cube_wireframe/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use kiss3d::light::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kiss3d::scene::*`
[INFO] [stdout]  --> examples/wip_017_cube_wireframe/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use kiss3d::scene::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NoiseFn`, `Perlin`
[INFO] [stdout]  --> examples/wip_017_cube_wireframe/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use noise::{NoiseFn, Perlin};
[INFO] [stdout]   |             ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `camera`
[INFO] [stdout]   --> examples/wip_017_cube_wireframe/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut camera = FirstPerson::new(Point3::new(-6.0, 10.0, -6.0), Point3::new(15.0, -8.0, 10.0));
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_camera`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/wip_017_cube_wireframe/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut camera = FirstPerson::new(Point3::new(-6.0, 10.0, -6.0), Point3::new(15.0, -8.0, 10.0));
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/wip_017_cube_wireframe/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut data = Data::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0204]: the trait `Copy` may not be implemented for this type
[INFO] [stdout]   --> examples/wip_planets/main.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone, Copy)]
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 13 | struct VLine {
[INFO] [stdout] 14 |     route: Vec<(f64, f64)>,
[INFO] [stdout]    |     ---------------------- this field does not implement `Copy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0204`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gre`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `geo::algorithm::area::Area`
[INFO] [stdout]  --> examples/044/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use geo::algorithm::area::Area;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> examples/092/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> examples/092/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut rng = rng_from_seed(opts.seed);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/092/main.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let mut route: Vec<(f64, f64)> = (0..samples)
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/092/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut rng = rng_from_seed(opts.seed);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dist`
[INFO] [stdout]   --> examples/036/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let dist = (x * x + y * y).sqrt();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_dist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/036/main.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let field = |x: f64, y: f64, i: f64, l: f64| {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7c1e30c51d3b4ad7aaabe9232798caee03493e130fc6e39568a01d9c23df7a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1e30c51d3b4ad7aaabe9232798caee03493e130fc6e39568a01d9c23df7a59", kill_on_drop: false }`
[INFO] [stdout] 7c1e30c51d3b4ad7aaabe9232798caee03493e130fc6e39568a01d9c23df7a59