[INFO] fetching crate vk-keyboard 0.2.0...
[INFO] checking vk-keyboard-0.2.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate vk-keyboard 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vk-keyboard 0.2.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vk-keyboard 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vk-keyboard 0.2.0
[INFO] tweaked toml for crates.io crate vk-keyboard 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate vk-keyboard 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", 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] 7af6abf45a83ac610f8fce77377ad9ff3f3d94bb63a14541bbfabf72f4f26b94
[INFO] running `Command { std: "docker" "start" "-a" "7af6abf45a83ac610f8fce77377ad9ff3f3d94bb63a14541bbfabf72f4f26b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af6abf45a83ac610f8fce77377ad9ff3f3d94bb63a14541bbfabf72f4f26b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af6abf45a83ac610f8fce77377ad9ff3f3d94bb63a14541bbfabf72f4f26b94", kill_on_drop: false }`
[INFO] [stdout] 7af6abf45a83ac610f8fce77377ad9ff3f3d94bb63a14541bbfabf72f4f26b94
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e2352b06dd51fa05ae35eca3e7d23e181de02c5e0cd4327d4df98fbc92c33a7
[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" "4e2352b06dd51fa05ae35eca3e7d23e181de02c5e0cd4327d4df98fbc92c33a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking vk-keyboard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ButtonAction`, `Button`
[INFO] [stdout]  --> examples/example.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use vk_keyboard::button::{Button, ButtonAction, ButtonColor};
[INFO] [stdout]   |                           ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.92s
[INFO] running `Command { std: "docker" "inspect" "4e2352b06dd51fa05ae35eca3e7d23e181de02c5e0cd4327d4df98fbc92c33a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2352b06dd51fa05ae35eca3e7d23e181de02c5e0cd4327d4df98fbc92c33a7", kill_on_drop: false }`
[INFO] [stdout] 4e2352b06dd51fa05ae35eca3e7d23e181de02c5e0cd4327d4df98fbc92c33a7