[INFO] fetching crate rust-pushrod 0.4.27...
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] crate rust-pushrod 0.4.27 is already in cache
[INFO] checking rust-pushrod-0.4.27 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate rust-pushrod 0.4.27 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rust-pushrod 0.4.27 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate crates.io crate rust-pushrod 0.4.27 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f27a088c1bf537234540e57a13f5345509a02fadf2ad8834be5df60bde22f1de
[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" "f27a088c1bf537234540e57a13f5345509a02fadf2ad8834be5df60bde22f1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27a088c1bf537234540e57a13f5345509a02fadf2ad8834be5df60bde22f1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27a088c1bf537234540e57a13f5345509a02fadf2ad8834be5df60bde22f1de", kill_on_drop: false }`
[INFO] [stdout] f27a088c1bf537234540e57a13f5345509a02fadf2ad8834be5df60bde22f1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ef519e19fa22102c1ad1ab333b27906ccf13d1a1eeaffe422ca02a8e21e8349
[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" "7ef519e19fa22102c1ad1ab333b27906ccf13d1a1eeaffe422ca02a8e21e8349", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking rust-pushrod v0.4.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LayoutPosition`
[INFO] [stdout]  --> examples/layout.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use pushrod::render::layout::{Layout, LayoutPosition};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CONFIG_BORDER_WIDTH`, `CONFIG_COLOR_BORDER`, `CONFIG_COLOR_SECONDARY`
[INFO] [stdout]  --> examples/tab_bar.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     CONFIG_BORDER_WIDTH, CONFIG_COLOR_BASE, CONFIG_COLOR_BORDER, CONFIG_COLOR_HOVER,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     CONFIG_COLOR_SECONDARY,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pushrod::widgets::list_widget::*`
[INFO] [stdout]   --> examples/tab_bar.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pushrod::widgets::list_widget::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CONFIG_COLOR_SECONDARY`
[INFO] [stdout]  --> examples/list.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CONFIG_COLOR_SECONDARY,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `engine`
[INFO] [stdout]   --> examples/exit.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     engine.on_exit(|engine| {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> examples/list.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |     widget1.on_selected(|x, _widgets, _layout, selected_item| {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CONFIG_BORDER_WIDTH`, `CONFIG_COLOR_BORDER`
[INFO] [stdout]  --> examples/tile.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     CONFIG_BORDER_WIDTH, CONFIG_COLOR_BORDER, CONFIG_COLOR_HOVER, CONFIG_COLOR_SELECTED,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "7ef519e19fa22102c1ad1ab333b27906ccf13d1a1eeaffe422ca02a8e21e8349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef519e19fa22102c1ad1ab333b27906ccf13d1a1eeaffe422ca02a8e21e8349", kill_on_drop: false }`
[INFO] [stdout] 7ef519e19fa22102c1ad1ab333b27906ccf13d1a1eeaffe422ca02a8e21e8349