[INFO] cloning repository https://github.com/GuVictory/current_lines_2d
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GuVictory/current_lines_2d" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuVictory%2Fcurrent_lines_2d", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuVictory%2Fcurrent_lines_2d'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12302ac5149d7591a1fec7c6ca48abdcb10add00
[INFO] checking GuVictory/current_lines_2d against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuVictory%2Fcurrent_lines_2d" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GuVictory/current_lines_2d 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/GuVictory/current_lines_2d
[INFO] finished tweaking git repo https://github.com/GuVictory/current_lines_2d
[INFO] tweaked toml for git repo https://github.com/GuVictory/current_lines_2d written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/GuVictory/current_lines_2d 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50a777d42df9c47704d9117734881e1be7c05d17dd4cb1403402558bc9eb1c64
[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" "50a777d42df9c47704d9117734881e1be7c05d17dd4cb1403402558bc9eb1c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a777d42df9c47704d9117734881e1be7c05d17dd4cb1403402558bc9eb1c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a777d42df9c47704d9117734881e1be7c05d17dd4cb1403402558bc9eb1c64", kill_on_drop: false }`
[INFO] [stdout] 50a777d42df9c47704d9117734881e1be7c05d17dd4cb1403402558bc9eb1c64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b8ee82fa59107c8f88d129523560945291185e1c6c2a16bec132be9be87fe7
[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" "c8b8ee82fa59107c8f88d129523560945291185e1c6c2a16bec132be9be87fe7", kill_on_drop: false }`
[INFO] [stderr]     Checking current_lines_2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::interpolation`
[INFO] [stdout]  --> src/vector_field_generator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::interpolation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::interpolation`
[INFO] [stdout]  --> src/vector_field_generator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::interpolation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/msh_worker/load.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for (ind, line) in reader.lines().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ind`
[INFO] [stdout]   --> src/msh_worker/load.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for (ind, line) in reader.lines().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_ind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_x`
[INFO] [stdout]   --> src/current_line_generator/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     min_x: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_y`
[INFO] [stdout]   --> src/current_line_generator/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     min_y: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `the_same`
[INFO] [stdout]   --> src/entity/cell.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn the_same(&self, other: &Cell) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BLUE`
[INFO] [stdout]  --> src/entity/color.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BLUE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `YELLOW`
[INFO] [stdout]  --> src/entity/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     YELLOW,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ORANGE`
[INFO] [stdout]  --> src/entity/color.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ORANGE,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RED`
[INFO] [stdout]  --> src/entity/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     RED
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `the_same`
[INFO] [stdout]   --> src/entity/coords.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn the_same(&self, other: &Coords) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `the_same`
[INFO] [stdout]   --> src/entity/cross_points.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn the_same(&self, other: &CrossPoints) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `the_same`
[INFO] [stdout]   --> src/entity/line.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn the_same(&self, other: &Line) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `the_same`
[INFO] [stdout]   --> src/entity/node.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn the_same(&self, other: &Node) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_color`
[INFO] [stdout]   --> src/entity/node.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn set_color(&mut self, color: Colors) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `the_same`
[INFO] [stdout]   --> src/entity/vector_field.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn the_same(&self, other: &VectorField) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `baseNode` should have a snake case name
[INFO] [stdout]   --> src/interpolation/mod.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn first_interpolation(cell: &Cell, baseNode: &mut Node) -> Option<CrossPoints> {
[INFO] [stdout]    |                                         ^^^^^^^^ help: convert the identifier to snake case: `base_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/msh_worker/render.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         file.write("".as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/msh_worker/render.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 | /             file.write_all(
[INFO] [stdout] 37 | |                 format!(
[INFO] [stdout] 38 | |                     "Point({}) = {{{},{},{},{}}};\n",
[INFO] [stdout] 39 | |                     self.main_counter, val.coords.x, val.coords.y, 0.0, self.size
[INFO] [stdout] 40 | |                 )
[INFO] [stdout] 41 | |                 .as_bytes(),
[INFO] [stdout] 42 | |             );
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/msh_worker/render.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 | /             file.write_all(
[INFO] [stdout] 54 | |                 format!(
[INFO] [stdout] 55 | |                     "Line({}) = {{{}}};\n",
[INFO] [stdout] 56 | |                     self.main_counter,
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                     .as_bytes(),
[INFO] [stdout] 60 | |             );
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vector_field_generator.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         geo_render.render_line(nodes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/entity/./tests/coords_test.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut coords_1: Coords = Coords::new(3 as f64, 4 as f64);
[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: field is never read: `min_x`
[INFO] [stdout]   --> src/current_line_generator/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     min_x: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_y`
[INFO] [stdout]   --> src/current_line_generator/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     min_y: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BLUE`
[INFO] [stdout]  --> src/entity/color.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BLUE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `YELLOW`
[INFO] [stdout]  --> src/entity/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     YELLOW,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RED`
[INFO] [stdout]  --> src/entity/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     RED
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `baseNode` should have a snake case name
[INFO] [stdout]   --> src/interpolation/mod.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn first_interpolation(cell: &Cell, baseNode: &mut Node) -> Option<CrossPoints> {
[INFO] [stdout]    |                                         ^^^^^^^^ help: convert the identifier to snake case: `base_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/msh_worker/render.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         file.write("".as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/msh_worker/render.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 | /             file.write_all(
[INFO] [stdout] 37 | |                 format!(
[INFO] [stdout] 38 | |                     "Point({}) = {{{},{},{},{}}};\n",
[INFO] [stdout] 39 | |                     self.main_counter, val.coords.x, val.coords.y, 0.0, self.size
[INFO] [stdout] 40 | |                 )
[INFO] [stdout] 41 | |                 .as_bytes(),
[INFO] [stdout] 42 | |             );
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/msh_worker/render.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 | /             file.write_all(
[INFO] [stdout] 54 | |                 format!(
[INFO] [stdout] 55 | |                     "Line({}) = {{{}}};\n",
[INFO] [stdout] 56 | |                     self.main_counter,
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                     .as_bytes(),
[INFO] [stdout] 60 | |             );
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vector_field_generator.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         geo_render.render_line(nodes);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "c8b8ee82fa59107c8f88d129523560945291185e1c6c2a16bec132be9be87fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b8ee82fa59107c8f88d129523560945291185e1c6c2a16bec132be9be87fe7", kill_on_drop: false }`
[INFO] [stdout] c8b8ee82fa59107c8f88d129523560945291185e1c6c2a16bec132be9be87fe7
