[INFO] cloning repository https://github.com/seanlth/boltzmann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanlth/boltzmann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlth%2Fboltzmann", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlth%2Fboltzmann'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75234d82d82666c389f86188ecd7318b8cced74a
[INFO] testing seanlth/boltzmann against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlth%2Fboltzmann" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanlth/boltzmann on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanlth/boltzmann
[INFO] finished tweaking git repo https://github.com/seanlth/boltzmann
[INFO] tweaked toml for git repo https://github.com/seanlth/boltzmann written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/seanlth/boltzmann already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d55d051b25d7d587da4400ae9fc0139c4cd0d64276726812196687ba9410de77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d55d051b25d7d587da4400ae9fc0139c4cd0d64276726812196687ba9410de77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d55d051b25d7d587da4400ae9fc0139c4cd0d64276726812196687ba9410de77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55d051b25d7d587da4400ae9fc0139c4cd0d64276726812196687ba9410de77", kill_on_drop: false }`
[INFO] [stdout] d55d051b25d7d587da4400ae9fc0139c4cd0d64276726812196687ba9410de77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6549c9bb64c553e10ee96629f210bd4f40e4fa7a2067dcc8b64105799e796a28
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6549c9bb64c553e10ee96629f210bd4f40e4fa7a2067dcc8b64105799e796a28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling gcc v0.3.42
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.6
[INFO] [stderr]    Compiling wayland-kbd v0.6.2
[INFO] [stderr]    Compiling wayland-window v0.4.3
[INFO] [stderr]    Compiling winit v0.5.7
[INFO] [stderr]    Compiling boltzmann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/config.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/config.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]  --> src/spatial_hash.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use scoped_pool::{Pool, Scope};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]  --> src/quadtree.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use scoped_pool::{Pool, Scope};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/simulator.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Probability = Fn() -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> 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]   --> src/simulator.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |     attributes: Vec<Box<Attribute>>,
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Attribute`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/simulator.rs:82:48
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn attribute(&self, id: usize) -> &Box<Attribute> {
[INFO] [stdout]    |                                                ^^^^^^^^^ help: use `dyn`: `dyn Attribute`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/attribute.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn collision_update(&mut self, usize, usize, _: &Particle, _: &Particle) {  }
[INFO] [stdout]   |                                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` 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 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/attribute.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn collision_update(&mut self, usize, usize, _: &Particle, _: &Particle) {  }
[INFO] [stdout]   |                                           ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[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 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/attribute.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn update(&mut self, usize, _: &Particle) {  }
[INFO] [stdout]   |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize`
[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 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `virus_attr` should have an upper camel case name
[INFO] [stdout]   --> src/attribute.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl_collision_attribute! { virus_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: convert the identifier to upper camel case: `VirusAttr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `density_attr` should have an upper camel case name
[INFO] [stdout]   --> src/attribute.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl_collision_attribute! { density_attr, self, i, j, p1, p2,
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DensityAttr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tag_attr` should have an upper camel case name
[INFO] [stdout]    --> src/attribute.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl_collision_attribute! { tag_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]     |                             ^^^^^^^^ help: convert the identifier to upper camel case: `TagAttr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `visted_attr` should have an upper camel case name
[INFO] [stdout]    --> src/attribute.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl_collision_attribute! { visted_attr, self, i, j, p1, p2, 0.0, 1.0, 
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: convert the identifier to upper camel case: `VistedAttr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `range_attr` should have an upper camel case name
[INFO] [stdout]    --> src/attribute.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl_collision_attribute! { range_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]     |                             ^^^^^^^^^^ help: convert the identifier to upper camel case: `RangeAttr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `speed_attr` should have an upper camel case name
[INFO] [stdout]    --> src/attribute.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl_attribute! { speed_attr, self, i, p,
[INFO] [stdout]     |                   ^^^^^^^^^^ help: convert the identifier to upper camel case: `SpeedAttr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glium::uniforms::Uniforms`
[INFO] [stdout]  --> src/drawing.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use glium::uniforms::Uniforms;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glium::uniforms::EmptyUniforms`
[INFO] [stdout]  --> src/drawing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use glium::uniforms::EmptyUniforms;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/attribute.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let max = self.t[i].max(self.t[j]);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/attribute.rs:79:53
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl_collision_attribute! { virus_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]    |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/attribute.rs:79:57
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl_collision_attribute! { virus_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]    |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/attribute.rs:98:55
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl_collision_attribute! { density_attr, self, i, j, p1, p2,
[INFO] [stdout]    |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/attribute.rs:98:59
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl_collision_attribute! { density_attr, self, i, j, p1, p2,
[INFO] [stdout]    |                                                           ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:105:51
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl_collision_attribute! { tag_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:105:55
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl_collision_attribute! { tag_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]     |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:113:54
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl_collision_attribute! { visted_attr, self, i, j, p1, p2, 0.0, 1.0, 
[INFO] [stdout]     |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:113:58
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl_collision_attribute! { visted_attr, self, i, j, p1, p2, 0.0, 1.0, 
[INFO] [stdout]     |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:122:53
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl_collision_attribute! { range_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]     |                                                     ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:122:57
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl_collision_attribute! { range_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout]     |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/drawing.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (i, &(v, (r, g, b))) in self.data.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/drawing.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let len = data.len();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/simulator.rs:218:17
[INFO] [stdout]     |
[INFO] [stdout] 218 |         for (i, mut p) in &mut self.particles.iter_mut().enumerate() {
[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: `naive_collision_check`
[INFO] [stdout]   --> src/collision.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn naive_collision_check(radius: f64, particles: &Vec<Particle>) -> Vec<Collision> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/quadtree.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.empty == true;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quad`
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let quad = Quadtree::new(width as f64, height as f64, radius);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_quad`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `histogram_2d`
[INFO] [stdout]   --> src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn histogram_2d(data: Vec<Vector>, max_x: f64, max_y: f64, number_of_rows: usize, number_of_columns: usize) -> (f64, Vec<f64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.boltzmann.1y4va4s1-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91.4ssur7fxnpuydyg6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libboltzmann-51625da53caab74d.rlib" "/opt/rustwide/target/debug/deps/libtoml-20415725514b7758.rlib" "/opt/rustwide/target/debug/deps/libscoped_pool-acc7ef76048c1de9.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-92acea0f9f818d23.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-b32a0c344dd7dc44.rlib" "/opt/rustwide/target/debug/deps/libvariance-f64e8b5f04118ed3.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-4bb12be1b5d4a015.rlib" "/opt/rustwide/target/debug/deps/libglium-815208bce03a4292.rlib" "/opt/rustwide/target/debug/deps/libglutin-5298e6c3ceb5c727.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-837865604fe34802.rlib" "/opt/rustwide/target/debug/deps/libwinit-f19e386045921a2c.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-7c85d968aeb966d2.rlib" "/opt/rustwide/target/debug/deps/libtempfile-99d03248271789e7.rlib" "/opt/rustwide/target/debug/deps/librand-d644825e08f09583.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-e004547a8db9b5f4.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-2f79819996989a40.rlib" "/opt/rustwide/target/debug/deps/libmemmap-2e96b62bbd45cdf5.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-d34080e332e1a46a.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-d54ce9a504727823.rlib" "/opt/rustwide/target/debug/deps/libdlib-f931e14853a8c2a9.rlib" "/opt/rustwide/target/debug/deps/liblibloading-3557c6c5d6ed8d3a.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e460c828ac318c64.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-98fede05b2f1d620.rlib" "/opt/rustwide/target/debug/deps/libshared_library-099b4c8d1c1121fc.rlib" "/opt/rustwide/target/debug/deps/libfnv-14b5e7c694a5d2fa.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-4ce828f6624b3e5b.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-f07a5e14103232b8.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-9c6af6347f568bfc.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b1a6a002b57d2c79.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b04be3535e5be880.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-88e930df24bbaa49.rlib" "/opt/rustwide/target/debug/deps/libwinapi-603ff5f75172bf08.rlib" "/opt/rustwide/target/debug/deps/libkernel32-e4d8c3f315d93e21.rlib" "/opt/rustwide/target/debug/deps/liblibc-3187b50b5b107f02.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-d6bf8b97f209dc56.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/boltzmann-9b194759a751ca91" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-f07a5e14103232b8.rlib(backtrace-f07a5e14103232b8.backtrace.6g4g8686-cgu.14.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-f07a5e14103232b8.rlib(backtrace-f07a5e14103232b8.backtrace.6g4g8686-cgu.14.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boltzmann`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6549c9bb64c553e10ee96629f210bd4f40e4fa7a2067dcc8b64105799e796a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6549c9bb64c553e10ee96629f210bd4f40e4fa7a2067dcc8b64105799e796a28", kill_on_drop: false }`
[INFO] [stdout] 6549c9bb64c553e10ee96629f210bd4f40e4fa7a2067dcc8b64105799e796a28
