[INFO] updating cached repository https://github.com/jplatte/wr-bar
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51b583fc4f71c13b391adb760ae24e5eebdb2762
[INFO] checking jplatte/wr-bar against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplatte%2Fwr-bar" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jplatte/wr-bar on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jplatte/wr-bar
[INFO] finished tweaking git repo https://github.com/jplatte/wr-bar
[INFO] tweaked toml for git repo https://github.com/jplatte/wr-bar written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jplatte/wr-bar already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a2869dd9e48618f657205ad91a830453845f3dd46cb8789d9c65d40e783264eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a2869dd9e48618f657205ad91a830453845f3dd46cb8789d9c65d40e783264eb"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking smallbitvec v2.4.0
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking atomic_refcell v0.1.3
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]     Checking svg_fmt v0.4.0
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking servo_arc v0.1.1 (https://github.com/servo/servo#59f9a3d3)
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]    Compiling style v0.0.1 (https://github.com/servo/servo#59f9a3d3)
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking hashglobe v0.1.0 (https://github.com/servo/servo#59f9a3d3)
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr] error[E0425]: cannot find value `engine` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/59f9a3d/components/style/build.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |         .arg(engine)
[INFO] [stderr]     |              ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `style`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a2869dd9e48618f657205ad91a830453845f3dd46cb8789d9c65d40e783264eb"`
[INFO] running `"docker" "rm" "-f" "a2869dd9e48618f657205ad91a830453845f3dd46cb8789d9c65d40e783264eb"`
[INFO] [stdout] a2869dd9e48618f657205ad91a830453845f3dd46cb8789d9c65d40e783264eb