[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 1.47.0 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-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanlth/boltzmann on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/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" "+1.47.0" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd31674fb4824906365a2cbeb20db56a877f002caf922ebc3974fb71aba0f6e
[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" "2fd31674fb4824906365a2cbeb20db56a877f002caf922ebc3974fb71aba0f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd31674fb4824906365a2cbeb20db56a877f002caf922ebc3974fb71aba0f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd31674fb4824906365a2cbeb20db56a877f002caf922ebc3974fb71aba0f6e", kill_on_drop: false }`
[INFO] [stdout] 2fd31674fb4824906365a2cbeb20db56a877f002caf922ebc3974fb71aba0f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c606f18815d8ad697ef9ed47de016627608827a6eb9e1d4381b9cc42cfafcc42
[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" "c606f18815d8ad697ef9ed47de016627608827a6eb9e1d4381b9cc42cfafcc42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[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 backtrace v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[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 memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling gl_generator v0.5.2
[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 wayland-client v0.7.6
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling toml v0.2.1
[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: 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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.boltzmann.3ultmsuk-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264" "/opt/rustwide/target/debug/deps/boltzmann-dccec77a40d5c264.532u5pn1ykvksp08.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libboltzmann-e19ac02977756cde.rlib" "/opt/rustwide/target/debug/deps/libtoml-be37c1754a62605b.rlib" "/opt/rustwide/target/debug/deps/libscoped_pool-a6b50dc335c9441a.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-fe1b7a1ab8a45042.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-c2857daa65d46166.rlib" "/opt/rustwide/target/debug/deps/libvariance-f5f3d75bf19120c0.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-082c5bea4c3eafb1.rlib" "/opt/rustwide/target/debug/deps/libglium-5b6831baf15ad838.rlib" "/opt/rustwide/target/debug/deps/libglutin-5f4b3bbb30472679.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-1c84d5e86affe48b.rlib" "/opt/rustwide/target/debug/deps/libwinit-86177af6f92eedb1.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-c9c688d8c72e2019.rlib" "/opt/rustwide/target/debug/deps/libtempfile-961e7a5c65ddf1dc.rlib" "/opt/rustwide/target/debug/deps/librand-ed565370aca7ee26.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-e9641ac4997e4e91.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-da2677df069d4fa8.rlib" "/opt/rustwide/target/debug/deps/libmemmap-6c0da4768100333f.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-75628f1c03125533.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-0fc2d433b6db6d10.rlib" "/opt/rustwide/target/debug/deps/libdlib-56a4d931e6531ed3.rlib" "/opt/rustwide/target/debug/deps/liblibloading-0b8d7891e40721d3.rlib" "/opt/rustwide/target/debug/deps/libbitflags-032ea61c97bf3967.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-da62d99b9c388fe4.rlib" "/opt/rustwide/target/debug/deps/libshared_library-710e7c03b7591b72.rlib" "/opt/rustwide/target/debug/deps/libfnv-813e29eef9b01b40.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-4816cea49ec779f5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-5f08771771b9f04d.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-ed1f0c27363e55d8.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-1f54c49f5be732f2.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d6fcb4c35c06a007.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-720313caad178130.rlib" "/opt/rustwide/target/debug/deps/libwinapi-2b3c8de3012066b8.rlib" "/opt/rustwide/target/debug/deps/libkernel32-7b1b1e9c00963030.rlib" "/opt/rustwide/target/debug/deps/liblibc-d2596c72592a93ea.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e32a991de8bae5fe.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-5f08771771b9f04d.rlib(backtrace-5f08771771b9f04d.backtrace.ea0q2m5x-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-5f08771771b9f04d.rlib(backtrace-5f08771771b9f04d.backtrace.ea0q2m5x-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" "c606f18815d8ad697ef9ed47de016627608827a6eb9e1d4381b9cc42cfafcc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c606f18815d8ad697ef9ed47de016627608827a6eb9e1d4381b9cc42cfafcc42", kill_on_drop: false }`
[INFO] [stdout] c606f18815d8ad697ef9ed47de016627608827a6eb9e1d4381b9cc42cfafcc42
