[INFO] fetching crate sv-parser-syntaxtree 0.10.0...
[INFO] testing sv-parser-syntaxtree-0.10.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sv-parser-syntaxtree 0.10.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sv-parser-syntaxtree 0.10.0 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 sv-parser-syntaxtree 0.10.0
[INFO] finished tweaking crates.io crate sv-parser-syntaxtree 0.10.0
[INFO] tweaked toml for crates.io crate sv-parser-syntaxtree 0.10.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6024fd3c2763d243f12b5cffe26d1e44af5dca66c9619b3153028194c5f56f5b
[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" "6024fd3c2763d243f12b5cffe26d1e44af5dca66c9619b3153028194c5f56f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6024fd3c2763d243f12b5cffe26d1e44af5dca66c9619b3153028194c5f56f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6024fd3c2763d243f12b5cffe26d1e44af5dca66c9619b3153028194c5f56f5b", kill_on_drop: false }`
[INFO] [stdout] 6024fd3c2763d243f12b5cffe26d1e44af5dca66c9619b3153028194c5f56f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f55afba72db40ffd242be32a677678b04329d6a65ee38a72d818b6741f096581
[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" "f55afba72db40ffd242be32a677678b04329d6a65ee38a72d818b6741f096581", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling sv-parser-syntaxtree v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sv-parser-macros v0.10.1
[INFO] [stderr] error: could not compile `sv-parser-syntaxtree`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sv_parser_syntaxtree --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=29323b22ac4c9c64 -C extra-filename=-29323b22ac4c9c64 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern sv_parser_macros=/opt/rustwide/target/debug/deps/libsv_parser_macros-1021d6209d4111ff.so --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f55afba72db40ffd242be32a677678b04329d6a65ee38a72d818b6741f096581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55afba72db40ffd242be32a677678b04329d6a65ee38a72d818b6741f096581", kill_on_drop: false }`
[INFO] [stdout] f55afba72db40ffd242be32a677678b04329d6a65ee38a72d818b6741f096581