[INFO] fetching crate rbx_xml 0.11.4...
[INFO] testing rbx_xml-0.11.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rbx_xml 0.11.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rbx_xml 0.11.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbx_xml 0.11.4
[INFO] finished tweaking crates.io crate rbx_xml 0.11.4
[INFO] tweaked toml for crates.io crate rbx_xml 0.11.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded rbx_reflection v3.3.454
[INFO] [stderr]   Downloaded rbx_dom_weak v1.10.1
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] e9ef2fc5190cfd8e3d83958dc1ca492e6e1c03036565221d28e4fb1f2a7bb0fa
[INFO] running `Command { std: "docker" "start" "-a" "e9ef2fc5190cfd8e3d83958dc1ca492e6e1c03036565221d28e4fb1f2a7bb0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ef2fc5190cfd8e3d83958dc1ca492e6e1c03036565221d28e4fb1f2a7bb0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ef2fc5190cfd8e3d83958dc1ca492e6e1c03036565221d28e4fb1f2a7bb0fa", kill_on_drop: false }`
[INFO] [stdout] e9ef2fc5190cfd8e3d83958dc1ca492e6e1c03036565221d28e4fb1f2a7bb0fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] 1100979af9806d92bb8fa0a84d7e238bd482708a51d3ba653b048eb41b8b93d4
[INFO] running `Command { std: "docker" "start" "-a" "1100979af9806d92bb8fa0a84d7e238bd482708a51d3ba653b048eb41b8b93d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling rbx_dom_weak v1.10.1
[INFO] [stderr]    Compiling rbx_reflection v3.3.454
[INFO] [stderr]    Compiling rbx_xml v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.37s
[INFO] running `Command { std: "docker" "inspect" "1100979af9806d92bb8fa0a84d7e238bd482708a51d3ba653b048eb41b8b93d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1100979af9806d92bb8fa0a84d7e238bd482708a51d3ba653b048eb41b8b93d4", kill_on_drop: false }`
[INFO] [stdout] 1100979af9806d92bb8fa0a84d7e238bd482708a51d3ba653b048eb41b8b93d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 224f30b5ae3d5c65016247e773b2b274ca1dc3da3f9b3b31d103b430459cc8dc
[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" "224f30b5ae3d5c65016247e773b2b274ca1dc3da3f9b3b31d103b430459cc8dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rbx_xml v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rbx_xml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rbx_xml --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=69381fa44fe05328 -C extra-filename=-69381fa44fe05328 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-2a598dcb608e88ef.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-dfb5b3e35dabc1c7.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib --extern rbx_dom_weak=/opt/rustwide/target/debug/deps/librbx_dom_weak-f2238a9059238227.rlib --extern rbx_reflection=/opt/rustwide/target/debug/deps/librbx_reflection-4251483f0e050b83.rlib --extern xml=/opt/rustwide/target/debug/deps/libxml-312254adb45317ce.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "224f30b5ae3d5c65016247e773b2b274ca1dc3da3f9b3b31d103b430459cc8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224f30b5ae3d5c65016247e773b2b274ca1dc3da3f9b3b31d103b430459cc8dc", kill_on_drop: false }`
[INFO] [stdout] 224f30b5ae3d5c65016247e773b2b274ca1dc3da3f9b3b31d103b430459cc8dc