[INFO] fetching crate xmlwriter 0.1.0... [INFO] checking xmlwriter-0.1.0 against beta for pr-78714 [INFO] extracting crate xmlwriter 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate xmlwriter 0.1.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate xmlwriter 0.1.0 [INFO] finished tweaking crates.io crate xmlwriter 0.1.0 [INFO] tweaked toml for crates.io crate xmlwriter 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61427233f665a0b909c87f77c381d0019a8285021dedb7d72b945260ed7a5190 [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" "61427233f665a0b909c87f77c381d0019a8285021dedb7d72b945260ed7a5190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61427233f665a0b909c87f77c381d0019a8285021dedb7d72b945260ed7a5190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61427233f665a0b909c87f77c381d0019a8285021dedb7d72b945260ed7a5190", kill_on_drop: false }` [INFO] [stdout] 61427233f665a0b909c87f77c381d0019a8285021dedb7d72b945260ed7a5190 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] ebf2709117d79ca2070c6ceda53f9b2bdc96d6848c87f06707019786bfd7154e [INFO] running `Command { std: "docker" "start" "-a" "ebf2709117d79ca2070c6ceda53f9b2bdc96d6848c87f06707019786bfd7154e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking xmlwriter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "ebf2709117d79ca2070c6ceda53f9b2bdc96d6848c87f06707019786bfd7154e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebf2709117d79ca2070c6ceda53f9b2bdc96d6848c87f06707019786bfd7154e", kill_on_drop: false }` [INFO] [stdout] ebf2709117d79ca2070c6ceda53f9b2bdc96d6848c87f06707019786bfd7154e