[INFO] fetching crate vk-keyboard 0.2.0...
[INFO] testing vk-keyboard-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vk-keyboard 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vk-keyboard 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-8/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 45d8fc80bd430d4595ee02af07a5d4a468ed83585ed213cbe53f782fd9f4f24b
[INFO] running `Command { std: "docker" "start" "-a" "45d8fc80bd430d4595ee02af07a5d4a468ed83585ed213cbe53f782fd9f4f24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d8fc80bd430d4595ee02af07a5d4a468ed83585ed213cbe53f782fd9f4f24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d8fc80bd430d4595ee02af07a5d4a468ed83585ed213cbe53f782fd9f4f24b", kill_on_drop: false }`
[INFO] [stdout] 45d8fc80bd430d4595ee02af07a5d4a468ed83585ed213cbe53f782fd9f4f24b
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95d5f72ce167dcd5961b7f36d5b1e0fc2c9d79b59a613c20b8153fb421c04145
[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" "95d5f72ce167dcd5961b7f36d5b1e0fc2c9d79b59a613c20b8153fb421c04145", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling vk-keyboard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.03s
[INFO] running `Command { std: "docker" "inspect" "95d5f72ce167dcd5961b7f36d5b1e0fc2c9d79b59a613c20b8153fb421c04145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d5f72ce167dcd5961b7f36d5b1e0fc2c9d79b59a613c20b8153fb421c04145", kill_on_drop: false }`
[INFO] [stdout] 95d5f72ce167dcd5961b7f36d5b1e0fc2c9d79b59a613c20b8153fb421c04145
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c72b9ce89b67d0c738e0351f8c9888adfea67db4d616e467c146174fc5dd201
[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" "3c72b9ce89b67d0c738e0351f8c9888adfea67db4d616e467c146174fc5dd201", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "3c72b9ce89b67d0c738e0351f8c9888adfea67db4d616e467c146174fc5dd201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c72b9ce89b67d0c738e0351f8c9888adfea67db4d616e467c146174fc5dd201", kill_on_drop: false }`
[INFO] [stdout] 3c72b9ce89b67d0c738e0351f8c9888adfea67db4d616e467c146174fc5dd201
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96f2667222e054ee2c19b33b7ac3d841a4092e40c31bdaafcf1e20d4b9bb9d2f
[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" "96f2667222e054ee2c19b33b7ac3d841a4092e40c31bdaafcf1e20d4b9bb9d2f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ButtonAction`, `Button`
[INFO] [stderr]  --> examples/example.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use vk_keyboard::button::{Button, ButtonAction, ButtonColor};
[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 test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vk_keyboard-a3689f2e64bd2af0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests vk-keyboard
[INFO] [stdout] test macros::test_lines_macro ... ok
[INFO] [stdout] test macros::test_payload_macro ... ok
[INFO] [stdout] test macros::test_keyboard_macro ... ok
[INFO] [stdout] test macros::test_buttons_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/keyboard.rs - keyboard::Keyboard::add_line (line 63) ... ok
[INFO] [stdout] test src/button.rs - button (line 2) ... ok
[INFO] [stdout] test src/keyboard.rs - keyboard (line 2) ... ok
[INFO] [stdout] test src/keyboard.rs - keyboard::Keyboard::add_button (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96f2667222e054ee2c19b33b7ac3d841a4092e40c31bdaafcf1e20d4b9bb9d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f2667222e054ee2c19b33b7ac3d841a4092e40c31bdaafcf1e20d4b9bb9d2f", kill_on_drop: false }`
[INFO] [stdout] 96f2667222e054ee2c19b33b7ac3d841a4092e40c31bdaafcf1e20d4b9bb9d2f