[INFO] fetching crate dotrix_core 0.1.0...
[INFO] checking dotrix_core-0.1.0 against beta for pr-78714
[INFO] extracting crate dotrix_core 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dotrix_core 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotrix_core 0.1.0
[INFO] finished tweaking crates.io crate dotrix_core 0.1.0
[INFO] tweaked toml for crates.io crate dotrix_core 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb768b67a22605029223e6db47941be2f464fa646705b54f974127f54ff2a0de
[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" "fb768b67a22605029223e6db47941be2f464fa646705b54f974127f54ff2a0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb768b67a22605029223e6db47941be2f464fa646705b54f974127f54ff2a0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb768b67a22605029223e6db47941be2f464fa646705b54f974127f54ff2a0de", kill_on_drop: false }`
[INFO] [stdout] fb768b67a22605029223e6db47941be2f464fa646705b54f974127f54ff2a0de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a59301afa28df0b4f795c1c49943aad4050869d7bc4424a87568c7a12592de8
[INFO] running `Command { std: "docker" "start" "-a" "3a59301afa28df0b4f795c1c49943aad4050869d7bc4424a87568c7a12592de8", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.8
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[INFO] [stderr]     Checking dotrix_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/dotrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow`, `EventLoop`, `Event`, `WindowEvent`, `window::WindowBuilder`
[INFO] [stdout]  --> src/window.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     event::{Event, WindowEvent},
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     event_loop::{ControlFlow, EventLoop},
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 4 |     window::WindowBuilder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/dotrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/asset/service.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow`, `EventLoop`, `Event`, `WindowEvent`, `window::WindowBuilder`
[INFO] [stdout]  --> src/window.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     event::{Event, WindowEvent},
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     event_loop::{ControlFlow, EventLoop},
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 4 |     window::WindowBuilder,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dotrix`
[INFO] [stdout]   --> src/dotrix.rs:56:72
[INFO] [stdout]    |
[INFO] [stdout] 56 | async fn run(event_loop: EventLoop<()>, window: winit::window::Window, dotrix: &mut Dotrix) {
[INFO] [stdout]    |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dotrix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/asset/loader.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/asset/resource.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/asset/resource.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     data: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dotrix`
[INFO] [stdout]   --> src/dotrix.rs:56:72
[INFO] [stdout]    |
[INFO] [stdout] 56 | async fn run(event_loop: EventLoop<()>, window: winit::window::Window, dotrix: &mut Dotrix) {
[INFO] [stdout]    |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dotrix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/asset/loader.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/asset/resource.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/asset/resource.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     data: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "3a59301afa28df0b4f795c1c49943aad4050869d7bc4424a87568c7a12592de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a59301afa28df0b4f795c1c49943aad4050869d7bc4424a87568c7a12592de8", kill_on_drop: false }`
[INFO] [stdout] 3a59301afa28df0b4f795c1c49943aad4050869d7bc4424a87568c7a12592de8