[INFO] fetching crate orbtk-css-engine 0.3.1-alpha2...
[INFO] checking orbtk-css-engine-0.3.1-alpha2 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate orbtk-css-engine 0.3.1-alpha2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate orbtk-css-engine 0.3.1-alpha2 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 21774894cf993e574a1b7b4040700364e2eac82481d538a35e75e86fc3cd0908
[INFO] running `Command { std: "docker" "start" "-a" "21774894cf993e574a1b7b4040700364e2eac82481d538a35e75e86fc3cd0908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21774894cf993e574a1b7b4040700364e2eac82481d538a35e75e86fc3cd0908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21774894cf993e574a1b7b4040700364e2eac82481d538a35e75e86fc3cd0908", kill_on_drop: false }`
[INFO] [stdout] 21774894cf993e574a1b7b4040700364e2eac82481d538a35e75e86fc3cd0908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5bd67f15659052af426816f18eb08eaf2eb8897834eded07fdb07b18ae7bf4e
[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" "e5bd67f15659052af426816f18eb08eaf2eb8897834eded07fdb07b18ae7bf4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking phf v0.7.24
[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 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 serde_derive v1.0.125
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking ron v0.6.4
[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 55.90s
[INFO] running `Command { std: "docker" "inspect" "e5bd67f15659052af426816f18eb08eaf2eb8897834eded07fdb07b18ae7bf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5bd67f15659052af426816f18eb08eaf2eb8897834eded07fdb07b18ae7bf4e", kill_on_drop: false }`
[INFO] [stdout] e5bd67f15659052af426816f18eb08eaf2eb8897834eded07fdb07b18ae7bf4e