[INFO] fetching crate orbtk-css-engine 0.3.1-alpha2...
[INFO] checking orbtk-css-engine-0.3.1-alpha2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate orbtk-css-engine 0.3.1-alpha2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate orbtk-css-engine 0.3.1-alpha2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate orbtk-css-engine 0.3.1-alpha2
[INFO] finished tweaking crates.io crate orbtk-css-engine 0.3.1-alpha2
[INFO] tweaked toml for crates.io crate orbtk-css-engine 0.3.1-alpha2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cssparser v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] cd00a3002128390663f7a73ae1f4e724c1ab8c03158624e5305d1d7c06675ed5
[INFO] running `Command { std: "docker" "start" "-a" "cd00a3002128390663f7a73ae1f4e724c1ab8c03158624e5305d1d7c06675ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd00a3002128390663f7a73ae1f4e724c1ab8c03158624e5305d1d7c06675ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd00a3002128390663f7a73ae1f4e724c1ab8c03158624e5305d1d7c06675ed5", kill_on_drop: false }`
[INFO] [stdout] cd00a3002128390663f7a73ae1f4e724c1ab8c03158624e5305d1d7c06675ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9edfa9cd942bd4a5b8d79dac0d76e65c5db85a15211a226d1c218f1b207a6e7
[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" "e9edfa9cd942bd4a5b8d79dac0d76e65c5db85a15211a226d1c218f1b207a6e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling cssparser v0.17.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking orbtk-utils v0.3.1-alpha3
[INFO] [stderr]     Checking orbtk-css-engine v0.3.1-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "e9edfa9cd942bd4a5b8d79dac0d76e65c5db85a15211a226d1c218f1b207a6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9edfa9cd942bd4a5b8d79dac0d76e65c5db85a15211a226d1c218f1b207a6e7", kill_on_drop: false }`
[INFO] [stdout] e9edfa9cd942bd4a5b8d79dac0d76e65c5db85a15211a226d1c218f1b207a6e7