[INFO] updating cached repository https://github.com/seanlth/boltzmann [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75234d82d82666c389f86188ecd7318b8cced74a [INFO] testing seanlth/boltzmann against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanlth%2Fboltzmann" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/seanlth/boltzmann on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13a233764abf9816b43c0b9767d6398bbd9f1a4c52e8f4b09bb530294e47a1a6 [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" "13a233764abf9816b43c0b9767d6398bbd9f1a4c52e8f4b09bb530294e47a1a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13a233764abf9816b43c0b9767d6398bbd9f1a4c52e8f4b09bb530294e47a1a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13a233764abf9816b43c0b9767d6398bbd9f1a4c52e8f4b09bb530294e47a1a6", kill_on_drop: false }` [INFO] [stdout] 13a233764abf9816b43c0b9767d6398bbd9f1a4c52e8f4b09bb530294e47a1a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39868d0b14652dab343512970cccd68953de3347575b467055fc8b7bda8ff77e [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" "39868d0b14652dab343512970cccd68953de3347575b467055fc8b7bda8ff77e", kill_on_drop: false }` [INFO] [stderr] Compiling phf_shared v0.7.20 [INFO] [stderr] Compiling serde v0.8.20 [INFO] [stderr] Compiling gcc v0.3.42 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling smallvec v0.1.8 [INFO] [stderr] Compiling fnv v1.0.5 [INFO] [stderr] Compiling shared_library v0.1.5 [INFO] [stderr] Compiling x11-dl v2.11.0 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling wayland-scanner v0.7.6 [INFO] [stderr] Compiling tempfile v2.1.4 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling glutin v0.7.2 [INFO] [stderr] Compiling glium v0.16.0 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling phf_generator v0.7.20 [INFO] [stderr] Compiling phf v0.7.20 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [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 backtrace-sys v0.1.5 [INFO] [stderr] Compiling backtrace v0.2.3 [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>, [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 { [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) -> Vec { [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, max_x: f64, max_y: f64, number_of_rows: usize, number_of_columns: usize) -> (f64, Vec) { [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-2020-07-24-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-2020-07-24-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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.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-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" "39868d0b14652dab343512970cccd68953de3347575b467055fc8b7bda8ff77e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39868d0b14652dab343512970cccd68953de3347575b467055fc8b7bda8ff77e", kill_on_drop: false }` [INFO] [stdout] 39868d0b14652dab343512970cccd68953de3347575b467055fc8b7bda8ff77e