[INFO] fetching crate webview2-sys 0.1.0-beta.1...
[INFO] testing webview2-sys-0.1.0-beta.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate webview2-sys 0.1.0-beta.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webview2-sys 0.1.0-beta.1 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 webview2-sys 0.1.0-beta.1
[INFO] finished tweaking crates.io crate webview2-sys 0.1.0-beta.1
[INFO] tweaked toml for crates.io crate webview2-sys 0.1.0-beta.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] f4ce6f00f9576d06239995467181c51c57df3d2c2f26b805e8ae7c94db7c9976
[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" "f4ce6f00f9576d06239995467181c51c57df3d2c2f26b805e8ae7c94db7c9976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ce6f00f9576d06239995467181c51c57df3d2c2f26b805e8ae7c94db7c9976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ce6f00f9576d06239995467181c51c57df3d2c2f26b805e8ae7c94db7c9976", kill_on_drop: false }`
[INFO] [stdout] f4ce6f00f9576d06239995467181c51c57df3d2c2f26b805e8ae7c94db7c9976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2b600eab02a84085aae5e93655998c90391aa3b0fc6414590c358b2556ccda1
[INFO] running `Command { std: "docker" "start" "-a" "e2b600eab02a84085aae5e93655998c90391aa3b0fc6414590c358b2556ccda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling webview2-sys v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling com_macros_support v0.2.0
[INFO] [stderr]    Compiling com_macros v0.2.0
[INFO] [stderr]    Compiling com v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "e2b600eab02a84085aae5e93655998c90391aa3b0fc6414590c358b2556ccda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b600eab02a84085aae5e93655998c90391aa3b0fc6414590c358b2556ccda1", kill_on_drop: false }`
[INFO] [stdout] e2b600eab02a84085aae5e93655998c90391aa3b0fc6414590c358b2556ccda1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1ea2d76b59d17a0a03763aa398a0b7b3a7b44feb01077d42a796731f4efc696f
[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" "1ea2d76b59d17a0a03763aa398a0b7b3a7b44feb01077d42a796731f4efc696f", kill_on_drop: false }`
[INFO] [stderr]    Compiling webview2-sys v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `CompareBrowserVersions` in crate `webview2_sys`
[INFO] [stdout]  --> tests/test_linking.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |     unsafe { webview2_sys::CompareBrowserVersions(null(), null(), null_mut()) };
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^ not found in `webview2_sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webview2-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1ea2d76b59d17a0a03763aa398a0b7b3a7b44feb01077d42a796731f4efc696f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea2d76b59d17a0a03763aa398a0b7b3a7b44feb01077d42a796731f4efc696f", kill_on_drop: false }`
[INFO] [stdout] 1ea2d76b59d17a0a03763aa398a0b7b3a7b44feb01077d42a796731f4efc696f