[INFO] fetching crate web-view 0.7.2...
[INFO] testing web-view-0.7.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate web-view 0.7.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate web-view 0.7.2 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 web-view 0.7.2
[INFO] finished tweaking crates.io crate web-view 0.7.2
[INFO] tweaked toml for crates.io crate web-view 0.7.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate web-view 0.7.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-embed-utils v5.0.0
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded grep-searcher v0.1.6
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded wincolor v1.0.3
[INFO] [stderr]   Downloaded rust-embed-impl v5.2.0
[INFO] [stderr]   Downloaded tinyfiledialogs v3.3.9
[INFO] [stderr]   Downloaded signal-hook v0.1.12
[INFO] [stderr]   Downloaded webview-sys v0.6.1
[INFO] [stderr]   Downloaded const-random-macro v0.1.6
[INFO] [stderr]   Downloaded ahash v0.2.18
[INFO] [stderr]   Downloaded grep-matcher v0.1.3
[INFO] [stderr]   Downloaded rust-embed v5.2.0
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded grep v0.2.4
[INFO] [stderr]   Downloaded grep-cli v0.1.3
[INFO] [stderr]   Downloaded grep-regex v0.1.5
[INFO] [stderr]   Downloaded grep-printer v0.1.3
[INFO] [stderr]   Downloaded const-random v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2a91c6a8a5ae0041a039b60e35cc2dcf931c956f220c07fdbc3009a6715de2fe
[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" "2a91c6a8a5ae0041a039b60e35cc2dcf931c956f220c07fdbc3009a6715de2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a91c6a8a5ae0041a039b60e35cc2dcf931c956f220c07fdbc3009a6715de2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a91c6a8a5ae0041a039b60e35cc2dcf931c956f220c07fdbc3009a6715de2fe", kill_on_drop: false }`
[INFO] [stdout] 2a91c6a8a5ae0041a039b60e35cc2dcf931c956f220c07fdbc3009a6715de2fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e8997a757f11de2439dabbb974d36647e927d708fcfd4fe094bb6affbdb68d70
[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" "e8997a757f11de2439dabbb974d36647e927d708fcfd4fe094bb6affbdb68d70", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.12.0
[INFO] [stderr]    Compiling webview-sys v0.6.1
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stdout] error[E0609]: no field `defines` on type `pkg_config::Library`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/system-deps-1.3.2/src/lib.rs:634:24
[INFO] [stdout]     |
[INFO] [stdout] 634 |             defines: l.defines,
[INFO] [stdout]     |                        ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `libs`, `link_paths`, `frameworks`, `framework_paths`, `include_paths`, `version`
[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 E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `system-deps`
[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" "e8997a757f11de2439dabbb974d36647e927d708fcfd4fe094bb6affbdb68d70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8997a757f11de2439dabbb974d36647e927d708fcfd4fe094bb6affbdb68d70", kill_on_drop: false }`
[INFO] [stdout] e8997a757f11de2439dabbb974d36647e927d708fcfd4fe094bb6affbdb68d70