[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-2020-10-09 for beta-1.48-1
[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-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded glium v0.16.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ecf9a750fc515e486fd9074df6a6ca596ce37d8251e89f67d4f414952e5f6237
[INFO] running `Command { std: "docker" "start" "-a" "ecf9a750fc515e486fd9074df6a6ca596ce37d8251e89f67d4f414952e5f6237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecf9a750fc515e486fd9074df6a6ca596ce37d8251e89f67d4f414952e5f6237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf9a750fc515e486fd9074df6a6ca596ce37d8251e89f67d4f414952e5f6237", kill_on_drop: false }`
[INFO] [stdout] ecf9a750fc515e486fd9074df6a6ca596ce37d8251e89f67d4f414952e5f6237
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005b5e18ad1ac05e0765739e610ac1861eaf36e377717d507f021d3cde9f5bd5
[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" "005b5e18ad1ac05e0765739e610ac1861eaf36e377717d507f021d3cde9f5bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling num-traits v0.1.36
[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 byteorder v0.5.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling toml v0.2.1
[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: 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] 
[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] 
[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] 
[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:28:68
[INFO] [stdout]    |
[INFO] [stdout] 28 |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]    |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] ...
[INFO] [stdout] 79 | / impl_collision_attribute! { virus_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout] 80 | |     {
[INFO] [stdout] 81 | |         let max = self.t[i].max(self.t[j]);
[INFO] [stdout] 82 | |         
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |     }
[INFO] [stdout] 96 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/attribute.rs:28:84
[INFO] [stdout]    |
[INFO] [stdout] 28 |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]    |                                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] ...
[INFO] [stdout] 79 | / impl_collision_attribute! { virus_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout] 80 | |     {
[INFO] [stdout] 81 | |         let max = self.t[i].max(self.t[j]);
[INFO] [stdout] 82 | |         
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |     }
[INFO] [stdout] 96 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:42:68
[INFO] [stdout]     |
[INFO] [stdout] 42  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] ...
[INFO] [stdout] 98  | / impl_collision_attribute! { density_attr, self, i, j, p1, p2,
[INFO] [stdout] 99  | |     {
[INFO] [stdout] 100 | |         let sum = ( self.t[i] + self.t[j] ) / 2.0;
[INFO] [stdout] 101 | |         self.t[i] = sum; self.t[j] = sum;
[INFO] [stdout] 102 | |     }
[INFO] [stdout] 103 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:42:84
[INFO] [stdout]     |
[INFO] [stdout] 42  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] ...
[INFO] [stdout] 98  | / impl_collision_attribute! { density_attr, self, i, j, p1, p2,
[INFO] [stdout] 99  | |     {
[INFO] [stdout] 100 | |         let sum = ( self.t[i] + self.t[j] ) / 2.0;
[INFO] [stdout] 101 | |         self.t[i] = sum; self.t[j] = sum;
[INFO] [stdout] 102 | |     }
[INFO] [stdout] 103 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:28:68
[INFO] [stdout]     |
[INFO] [stdout] 28  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] ...
[INFO] [stdout] 105 | / impl_collision_attribute! { tag_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout] 106 | |     {
[INFO] [stdout] 107 | |         let t = self.t[i];
[INFO] [stdout] 108 | |         self.t[i] = self.t[j];
[INFO] [stdout] 109 | |         self.t[j] = t;
[INFO] [stdout] 110 | |     }
[INFO] [stdout] 111 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:28:84
[INFO] [stdout]     |
[INFO] [stdout] 28  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] ...
[INFO] [stdout] 105 | / impl_collision_attribute! { tag_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout] 106 | |     {
[INFO] [stdout] 107 | |         let t = self.t[i];
[INFO] [stdout] 108 | |         self.t[i] = self.t[j];
[INFO] [stdout] 109 | |         self.t[j] = t;
[INFO] [stdout] 110 | |     }
[INFO] [stdout] 111 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:28:68
[INFO] [stdout]     |
[INFO] [stdout] 28  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] ...
[INFO] [stdout] 113 | / impl_collision_attribute! { visted_attr, self, i, j, p1, p2, 0.0, 1.0, 
[INFO] [stdout] 114 | |     {
[INFO] [stdout] 115 | |         let t1 = self.t[i];
[INFO] [stdout] 116 | |         let t2 = self.t[j];
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |     }
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:28:84
[INFO] [stdout]     |
[INFO] [stdout] 28  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] ...
[INFO] [stdout] 113 | / impl_collision_attribute! { visted_attr, self, i, j, p1, p2, 0.0, 1.0, 
[INFO] [stdout] 114 | |     {
[INFO] [stdout] 115 | |         let t1 = self.t[i];
[INFO] [stdout] 116 | |         let t2 = self.t[j];
[INFO] [stdout] ...   |
[INFO] [stdout] 119 | |     }
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/attribute.rs:28:68
[INFO] [stdout]     |
[INFO] [stdout] 28  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] ...
[INFO] [stdout] 122 | / impl_collision_attribute! { range_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout] 123 | |     {
[INFO] [stdout] 124 | |         let t1 = self.t[i];
[INFO] [stdout] 125 | |         let t2 = self.t[j];
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     }
[INFO] [stdout] 129 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/attribute.rs:28:84
[INFO] [stdout]     |
[INFO] [stdout] 28  |               fn collision_update(&mut $self_, $i: usize, $j: usize, $p1: &Particle, $p2: &Particle) { $b }
[INFO] [stdout]     |                                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] ...
[INFO] [stdout] 122 | / impl_collision_attribute! { range_attr, self, i, j, p1, p2, 0.0, 1.0,
[INFO] [stdout] 123 | |     {
[INFO] [stdout] 124 | |         let t1 = self.t[i];
[INFO] [stdout] 125 | |         let t2 = self.t[j];
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |     }
[INFO] [stdout] 129 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 29 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 code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.boltzmann.83neb80m-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0" "/opt/rustwide/target/debug/deps/boltzmann-95a14b603d2d17f0.sqx3qz1c0lyzjsi.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libboltzmann-8323aa18dc41492b.rlib" "/opt/rustwide/target/debug/deps/libtoml-f65e0ab6c19d3db4.rlib" "/opt/rustwide/target/debug/deps/libscoped_pool-c9bc11ce4f672534.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-72b4dd7776e5c2c3.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-6b5170e65d5bab48.rlib" "/opt/rustwide/target/debug/deps/libvariance-2ad1120ec730a5ba.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-5419d0ceabda1a5f.rlib" "/opt/rustwide/target/debug/deps/libglium-7c2a52eb42df58c2.rlib" "/opt/rustwide/target/debug/deps/libglutin-c62bb82d33079654.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-897939026cc56779.rlib" "/opt/rustwide/target/debug/deps/libwinit-7e12aa21b821c597.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-87935908bb64456a.rlib" "/opt/rustwide/target/debug/deps/libtempfile-cbeaf5f7b4945203.rlib" "/opt/rustwide/target/debug/deps/librand-32adbbace8e9a817.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6cddcccd56d44b5d.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-30cc233896d6babf.rlib" "/opt/rustwide/target/debug/deps/libmemmap-e33940316e85793c.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-cea4ac6c7a96aa2a.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-c87835311fbca7c8.rlib" "/opt/rustwide/target/debug/deps/libdlib-9afdde210da45cc9.rlib" "/opt/rustwide/target/debug/deps/liblibloading-3d0c3c15c50cedb5.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-46e80ea97d88621c.rlib" "/opt/rustwide/target/debug/deps/libshared_library-81c5f5ba2b1b0e78.rlib" "/opt/rustwide/target/debug/deps/libfnv-8892e337f4b8c0de.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-cacd07e96981e77a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-72c53e87e356e9fe.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-e599c57beb1afb95.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-bb1e9b9c91f65547.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e520603e5e391271.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-a8e91854f2a89c0f.rlib" "/opt/rustwide/target/debug/deps/libwinapi-08f0135bab856b5b.rlib" "/opt/rustwide/target/debug/deps/libkernel32-cceb62b1a55bf6d7.rlib" "/opt/rustwide/target/debug/deps/liblibc-baa3c7964edfb953.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4742f6ccc7d0ed2b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-72c53e87e356e9fe.rlib(backtrace-72c53e87e356e9fe.backtrace.2uwr67nd-cgu.12.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-72c53e87e356e9fe.rlib(backtrace-72c53e87e356e9fe.backtrace.2uwr67nd-cgu.12.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" "005b5e18ad1ac05e0765739e610ac1861eaf36e377717d507f021d3cde9f5bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005b5e18ad1ac05e0765739e610ac1861eaf36e377717d507f021d3cde9f5bd5", kill_on_drop: false }`
[INFO] [stdout] 005b5e18ad1ac05e0765739e610ac1861eaf36e377717d507f021d3cde9f5bd5
