[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 beta-2021-08-01 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-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanlth/boltzmann on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-5/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.42
[INFO] [stderr]   Downloaded glutin v0.7.2
[INFO] [stderr]   Downloaded winit v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "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] 867f213b9e5fcba12f8ac0e2b7bec3412d6bc67cf074f3febf9d0e3ae065f9d4
[INFO] running `Command { std: "docker" "start" "-a" "867f213b9e5fcba12f8ac0e2b7bec3412d6bc67cf074f3febf9d0e3ae065f9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867f213b9e5fcba12f8ac0e2b7bec3412d6bc67cf074f3febf9d0e3ae065f9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867f213b9e5fcba12f8ac0e2b7bec3412d6bc67cf074f3febf9d0e3ae065f9d4", kill_on_drop: false }`
[INFO] [stdout] 867f213b9e5fcba12f8ac0e2b7bec3412d6bc67cf074f3febf9d0e3ae065f9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01f56dd2da4ada4e9e50457f03232c3e0ee6f158534c4610cacafba1662c9108
[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" "01f56dd2da4ada4e9e50457f03232c3e0ee6f158534c4610cacafba1662c9108", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling pkg-config v0.3.8
[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 cfg-if v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[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-window v0.4.3
[INFO] [stderr]    Compiling wayland-kbd v0.6.2
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.boltzmann.ac8f325c-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5.204o7o0dji9o6dx6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libboltzmann-7c3959aa29c2a235.rlib" "/opt/rustwide/target/debug/deps/libtoml-aaacf749ef4beb23.rlib" "/opt/rustwide/target/debug/deps/libscoped_pool-33c645f456976d78.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-995c1753760417db.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-8ea0d2565b195b5e.rlib" "/opt/rustwide/target/debug/deps/libvariance-6040a52f52d83ddc.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-22a7a0a2489e8bde.rlib" "/opt/rustwide/target/debug/deps/libglium-2bec5e6ca2ba3664.rlib" "/opt/rustwide/target/debug/deps/libglutin-9c0bd2a43cf00912.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-2521a043cb774f49.rlib" "/opt/rustwide/target/debug/deps/libwinit-f98282884be6b347.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-3bf211f6c37b487e.rlib" "/opt/rustwide/target/debug/deps/libtempfile-3eee1a8bdfb24788.rlib" "/opt/rustwide/target/debug/deps/librand-97a03168ef6c1c4a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-5bc5ae7023393dae.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-b362448ab121d325.rlib" "/opt/rustwide/target/debug/deps/libmemmap-044cec3c03299cb3.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-400e96a8bb149af1.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-9c300daf09eb58e7.rlib" "/opt/rustwide/target/debug/deps/libdlib-fff8f974bf2e9557.rlib" "/opt/rustwide/target/debug/deps/liblibloading-dbd98d34346919c6.rlib" "/opt/rustwide/target/debug/deps/libbitflags-b4f9db8d1fb8bceb.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-11fcbe4d3a208281.rlib" "/opt/rustwide/target/debug/deps/libshared_library-93a61e0d701905a5.rlib" "/opt/rustwide/target/debug/deps/libfnv-2d9017ed55146042.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-3419ba39b198e594.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-206dca92fbb5ecf6.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-f6dd6d48a2f379a5.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-3b2872ec00202141.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-cb4975d79218c50c.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-c40943c0997989bc.rlib" "/opt/rustwide/target/debug/deps/libwinapi-07f1a1e4ac0d8c89.rlib" "/opt/rustwide/target/debug/deps/libkernel32-d777c3697a107ee0.rlib" "/opt/rustwide/target/debug/deps/liblibc-a627a9990661a6ab.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6ed37b12ed75b47e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.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/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/boltzmann-cda9478bcbb14bf5" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-206dca92fbb5ecf6.rlib(backtrace-206dca92fbb5ecf6.backtrace.caa78b2f-cgu.11.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-206dca92fbb5ecf6.rlib(backtrace-206dca92fbb5ecf6.backtrace.caa78b2f-cgu.11.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]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[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` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "01f56dd2da4ada4e9e50457f03232c3e0ee6f158534c4610cacafba1662c9108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f56dd2da4ada4e9e50457f03232c3e0ee6f158534c4610cacafba1662c9108", kill_on_drop: false }`
[INFO] [stdout] 01f56dd2da4ada4e9e50457f03232c3e0ee6f158534c4610cacafba1662c9108
