[INFO] cloning repository https://github.com/kimheffy/rainy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimheffy/rainy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimheffy%2Frainy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimheffy%2Frainy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12fd6c1faffbf56f568c078d5830de7ac3b8d2d3
[INFO] checking kimheffy/rainy against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimheffy%2Frainy" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kimheffy/rainy on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kimheffy/rainy
[INFO] finished tweaking git repo https://github.com/kimheffy/rainy
[INFO] tweaked toml for git repo https://github.com/kimheffy/rainy written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kimheffy/rainy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc813897018d73b99f38e509787d40e69abfdf3f65660fc31a92688af79d593
[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" "fdc813897018d73b99f38e509787d40e69abfdf3f65660fc31a92688af79d593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc813897018d73b99f38e509787d40e69abfdf3f65660fc31a92688af79d593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc813897018d73b99f38e509787d40e69abfdf3f65660fc31a92688af79d593", kill_on_drop: false }`
[INFO] [stdout] fdc813897018d73b99f38e509787d40e69abfdf3f65660fc31a92688af79d593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9e84ecd135e803602515f88e1b76e3ca4b8ddc9be974bf7ac1c8e7a077a7c96
[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" "a9e84ecd135e803602515f88e1b76e3ca4b8ddc9be974bf7ac1c8e7a077a7c96", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rainy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::MatrixType`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::matrix::MatrixType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::MatrixType`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::matrix::MatrixType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     for i in 0..ITERATION {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |     for (i, row) in matrix.iter_mut().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/matrix.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (j, col) in row.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for (i, row) in matrix.iter_mut().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/matrix.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         for (j, col) in row.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     for (i, row) in matrix.iter_mut().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/matrix.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for (j, col) in row.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_INTENSITY`
[INFO] [stdout]   --> src/ui.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MAX_INTENSITY: i32 = 13;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_INTENSITY`
[INFO] [stdout]   --> src/ui.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const MIN_INTENSITY: i32 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cleanup_ui`
[INFO] [stdout]   --> src/ui.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn cleanup_ui() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dec_intensity`
[INFO] [stdout]   --> src/matrix.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn dec_intensity(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_intensity`
[INFO] [stdout]   --> src/matrix.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn set_intensity(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fade_matrix`
[INFO] [stdout]   --> src/matrix.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn fade_matrix(matrix: &mut MatrixType) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     terminal.clear();
[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 `Result` that must be used
[INFO] [stdout]   --> src/ui.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     terminal.draw(|f| {
[INFO] [stdout] 34 | |         let size = f.size();
[INFO] [stdout] 35 | |
[INFO] [stdout] 36 | |         let canvas = canvas::Canvas::default()
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |         f.render_widget(canvas, size);
[INFO] [stdout] 53 | |     });
[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 variable: `i`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     for i in 0..ITERATION {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |     for (i, row) in matrix.iter_mut().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/matrix.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (j, col) in row.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for (i, row) in matrix.iter_mut().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/matrix.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         for (j, col) in row.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/matrix.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     for (i, row) in matrix.iter_mut().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/matrix.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for (j, col) in row.iter_mut().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_INTENSITY`
[INFO] [stdout]   --> src/ui.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MAX_INTENSITY: i32 = 13;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_INTENSITY`
[INFO] [stdout]   --> src/ui.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const MIN_INTENSITY: i32 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cleanup_ui`
[INFO] [stdout]   --> src/ui.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn cleanup_ui() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dec_intensity`
[INFO] [stdout]   --> src/matrix.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn dec_intensity(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_intensity`
[INFO] [stdout]   --> src/matrix.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn set_intensity(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fade_matrix`
[INFO] [stdout]   --> src/matrix.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn fade_matrix(matrix: &mut MatrixType) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     terminal.clear();
[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 `Result` that must be used
[INFO] [stdout]   --> src/ui.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     terminal.draw(|f| {
[INFO] [stdout] 34 | |         let size = f.size();
[INFO] [stdout] 35 | |
[INFO] [stdout] 36 | |         let canvas = canvas::Canvas::default()
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |         f.render_widget(canvas, size);
[INFO] [stdout] 53 | |     });
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "a9e84ecd135e803602515f88e1b76e3ca4b8ddc9be974bf7ac1c8e7a077a7c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e84ecd135e803602515f88e1b76e3ca4b8ddc9be974bf7ac1c8e7a077a7c96", kill_on_drop: false }`
[INFO] [stdout] a9e84ecd135e803602515f88e1b76e3ca4b8ddc9be974bf7ac1c8e7a077a7c96