[INFO] fetching crate vtparse 0.2.2...
[INFO] testing vtparse-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate vtparse 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vtparse 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtparse 0.2.2
[INFO] finished tweaking crates.io crate vtparse 0.2.2
[INFO] tweaked toml for crates.io crate vtparse 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6040c8d6c4c6b58c609ba0919e0b42a91e256fbbdbce562edf23cfb6eb67c509
[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" "6040c8d6c4c6b58c609ba0919e0b42a91e256fbbdbce562edf23cfb6eb67c509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6040c8d6c4c6b58c609ba0919e0b42a91e256fbbdbce562edf23cfb6eb67c509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6040c8d6c4c6b58c609ba0919e0b42a91e256fbbdbce562edf23cfb6eb67c509", kill_on_drop: false }`
[INFO] [stdout] 6040c8d6c4c6b58c609ba0919e0b42a91e256fbbdbce562edf23cfb6eb67c509
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40af748f31b966f0d3c7eaada5a4142417df6e9bf30608a72948d8539331ce0f
[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" "40af748f31b966f0d3c7eaada5a4142417df6e9bf30608a72948d8539331ce0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling vtparse v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `vtparse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vtparse --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=e9aed4e5d566b075 -C extra-filename=-e9aed4e5d566b075 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern utf8parse=/opt/rustwide/target/debug/deps/libutf8parse-d12f047ad11675cf.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "40af748f31b966f0d3c7eaada5a4142417df6e9bf30608a72948d8539331ce0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40af748f31b966f0d3c7eaada5a4142417df6e9bf30608a72948d8539331ce0f", kill_on_drop: false }`
[INFO] [stdout] 40af748f31b966f0d3c7eaada5a4142417df6e9bf30608a72948d8539331ce0f