[INFO] fetching crate zwp-virtual-keyboard 0.2.0...
[INFO] checking zwp-virtual-keyboard-0.2.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate zwp-virtual-keyboard 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zwp-virtual-keyboard 0.2.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zwp-virtual-keyboard 0.2.0
[INFO] finished tweaking crates.io crate zwp-virtual-keyboard 0.2.0
[INFO] tweaked toml for crates.io crate zwp-virtual-keyboard 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate zwp-virtual-keyboard 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded input_event_codes_hashmap v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e41b17971fb741ce141e36c90305fa23c224bbde18c3c556243b200b3eb40cd
[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" "6e41b17971fb741ce141e36c90305fa23c224bbde18c3c556243b200b3eb40cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e41b17971fb741ce141e36c90305fa23c224bbde18c3c556243b200b3eb40cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e41b17971fb741ce141e36c90305fa23c224bbde18c3c556243b200b3eb40cd", kill_on_drop: false }`
[INFO] [stdout] 6e41b17971fb741ce141e36c90305fa23c224bbde18c3c556243b200b3eb40cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 669c7e404ff82174e10daf4876cd61d93fce5bc3dbfbe32fc7a24252c290b75d
[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" "669c7e404ff82174e10daf4876cd61d93fce5bc3dbfbe32fc7a24252c290b75d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wayland-sys v0.28.0
[INFO] [stderr]     Checking input_event_codes_hashmap v0.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.28.0
[INFO] [stderr]    Compiling zwp-virtual-keyboard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking wayland-commons v0.28.0
[INFO] [stdout] warning: unused import: `Proxy`
[INFO] [stdout]  --> examples/wayland.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wayland_client::{protocol::wl_seat::WlSeat, Display, EventQueue, GlobalManager, Main, Proxy};
[INFO] [stdout]   |                                                                                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `wayland`
[INFO] [stdout]   --> examples/wayland.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use wayland_client::{protocol::wl_seat::WlSeat, Display, EventQueue, GlobalManager, Main, Proxy};
[INFO] [stdout] 2  | | use zwp_virtual_keyboard::virtual_keyboard_unstable_v1::zwp_virtual_keyboard_manager_v1::ZwpVirtualKeyboardManagerV1;
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | fn get_wl_global_mgr(display: Display) -> (EventQueue, GlobalManager) {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     (display, event_queue, seat, vk_mgr)
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/wayland.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zwp-virtual-keyboard`
[INFO] [stdout] error[E0601]: `main` function not found in crate `keymap`
[INFO] [stdout]     --> examples/keymap.rs:1:1
[INFO] [stdout]      |
[INFO] [stdout] 1    | / pub const KEYMAP: &str = "xkb_keymap {\
[INFO] [stdout] 2    | | xkb_keycodes \"(unnamed)\" {\
[INFO] [stdout] 3    | |         minimum = 8;\
[INFO] [stdout] 4    | |         maximum = 255;\
[INFO] [stdout] ...    |
[INFO] [stdout] 1461 | | };\
[INFO] [stdout] 1462 | | ";
[INFO] [stdout]      | |__^ consider adding a `main` function to `examples/keymap.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Proxy`
[INFO] [stdout]  --> examples/wayland.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wayland_client::{protocol::wl_seat::WlSeat, Display, EventQueue, GlobalManager, Main, Proxy};
[INFO] [stdout]   |                                                                                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> examples/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event_queue`
[INFO] [stdout]   --> examples/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     event_queue: EventQueue, // Preventing event_queue from being dropped
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "669c7e404ff82174e10daf4876cd61d93fce5bc3dbfbe32fc7a24252c290b75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669c7e404ff82174e10daf4876cd61d93fce5bc3dbfbe32fc7a24252c290b75d", kill_on_drop: false }`
[INFO] [stdout] 669c7e404ff82174e10daf4876cd61d93fce5bc3dbfbe32fc7a24252c290b75d