[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] checking rust-pushrod-0.4.27 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate rust-pushrod 0.4.27 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust-pushrod 0.4.27 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-pushrod 0.4.27
[INFO] finished tweaking crates.io crate rust-pushrod 0.4.27
[INFO] tweaked toml for crates.io crate rust-pushrod 0.4.27 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rust-pushrod 0.4.27 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3acbbf8e98c0f000155422850cbbf904c6ef312cd5a506e461546d80b42aa9de
[INFO] running `"docker" "start" "-a" "3acbbf8e98c0f000155422850cbbf904c6ef312cd5a506e461546d80b42aa9de"`
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking rust-pushrod v0.4.27 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `LayoutPosition`
[INFO] [stderr]  --> examples/layout.rs:8:39
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pushrod::render::layout::{Layout, LayoutPosition};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CONFIG_COLOR_SECONDARY`
[INFO] [stderr]  --> examples/list.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     CONFIG_COLOR_SECONDARY,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> examples/list.rs:37:26
[INFO] [stderr]    |
[INFO] [stderr] 37 |     widget1.on_selected(|x, _widgets, _layout, selected_item| {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CONFIG_BORDER_WIDTH`, `CONFIG_COLOR_BORDER`, `CONFIG_COLOR_SECONDARY`
[INFO] [stderr]  --> examples/tab_bar.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     CONFIG_BORDER_WIDTH, CONFIG_COLOR_BASE, CONFIG_COLOR_BORDER, CONFIG_COLOR_HOVER,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 8 |     CONFIG_COLOR_SECONDARY,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pushrod::widgets::list_widget::*`
[INFO] [stderr]   --> examples/tab_bar.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pushrod::widgets::list_widget::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `engine`
[INFO] [stderr]   --> examples/exit.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |     engine.on_exit(|engine| {
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CONFIG_BORDER_WIDTH`, `CONFIG_COLOR_BORDER`
[INFO] [stderr]  --> examples/tile.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     CONFIG_BORDER_WIDTH, CONFIG_COLOR_BORDER, CONFIG_COLOR_HOVER, CONFIG_COLOR_SELECTED,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `"docker" "inspect" "3acbbf8e98c0f000155422850cbbf904c6ef312cd5a506e461546d80b42aa9de"`
[INFO] running `"docker" "rm" "-f" "3acbbf8e98c0f000155422850cbbf904c6ef312cd5a506e461546d80b42aa9de"`
[INFO] [stdout] 3acbbf8e98c0f000155422850cbbf904c6ef312cd5a506e461546d80b42aa9de