[INFO] fetching crate zwp-virtual-keyboard 0.2.2...
[INFO] checking zwp-virtual-keyboard-0.2.2 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate zwp-virtual-keyboard 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zwp-virtual-keyboard 0.2.2 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zwp-virtual-keyboard 0.2.2
[INFO] finished tweaking crates.io crate zwp-virtual-keyboard 0.2.2
[INFO] tweaked toml for crates.io crate zwp-virtual-keyboard 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate zwp-virtual-keyboard 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded input_event_codes_hashmap v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f03fd38fd95606ad9482201212d3fc386d82e3bce27e33218d673358dac07d16
[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" "f03fd38fd95606ad9482201212d3fc386d82e3bce27e33218d673358dac07d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f03fd38fd95606ad9482201212d3fc386d82e3bce27e33218d673358dac07d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03fd38fd95606ad9482201212d3fc386d82e3bce27e33218d673358dac07d16", kill_on_drop: false }`
[INFO] [stdout] f03fd38fd95606ad9482201212d3fc386d82e3bce27e33218d673358dac07d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305a29dcf578f08c0cce0e2f8b8e9a3dbbb53a0c261d989fadde610b56755a00
[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" "305a29dcf578f08c0cce0e2f8b8e9a3dbbb53a0c261d989fadde610b56755a00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]     Checking input_event_codes_hashmap v0.1.1
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling wayland-client v0.28.3
[INFO] [stderr]    Compiling zwp-virtual-keyboard v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking memmap2 v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wayland-commons v0.28.3
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> examples/basic_example/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 13.39s
[INFO] running `Command { std: "docker" "inspect" "305a29dcf578f08c0cce0e2f8b8e9a3dbbb53a0c261d989fadde610b56755a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305a29dcf578f08c0cce0e2f8b8e9a3dbbb53a0c261d989fadde610b56755a00", kill_on_drop: false }`
[INFO] [stdout] 305a29dcf578f08c0cce0e2f8b8e9a3dbbb53a0c261d989fadde610b56755a00