[INFO] fetching crate x11nas 2.19.1...
[INFO] checking x11nas-2.19.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate x11nas 2.19.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate x11nas 2.19.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x11nas 2.19.1
[INFO] finished tweaking crates.io crate x11nas 2.19.1
[INFO] tweaked toml for crates.io crate x11nas 2.19.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate x11nas 2.19.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fd2e20ecc2942bf806a3949a0c62cc149721f49abcb39cde3522fa6c3447226
[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" "5fd2e20ecc2942bf806a3949a0c62cc149721f49abcb39cde3522fa6c3447226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fd2e20ecc2942bf806a3949a0c62cc149721f49abcb39cde3522fa6c3447226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd2e20ecc2942bf806a3949a0c62cc149721f49abcb39cde3522fa6c3447226", kill_on_drop: false }`
[INFO] [stdout] 5fd2e20ecc2942bf806a3949a0c62cc149721f49abcb39cde3522fa6c3447226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 319cd17688c1fdc3248f93456a16e912184611cc62def33634d15aac93603942
[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" "319cd17688c1fdc3248f93456a16e912184611cc62def33634d15aac93603942", kill_on_drop: false }`
[INFO] [stderr]    Compiling x11nas v2.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `x11`
[INFO] [stdout]  --> examples/xrecord.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate x11;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `x11`
[INFO] [stdout]  --> examples/hello-world.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate x11;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x11nas` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `x11`
[INFO] [stdout]   --> examples/input.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate x11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "319cd17688c1fdc3248f93456a16e912184611cc62def33634d15aac93603942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319cd17688c1fdc3248f93456a16e912184611cc62def33634d15aac93603942", kill_on_drop: false }`
[INFO] [stdout] 319cd17688c1fdc3248f93456a16e912184611cc62def33634d15aac93603942