[INFO] fetching crate persawkv 0.0.0-alpha.1...
[INFO] testing persawkv-0.0.0-alpha.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate persawkv 0.0.0-alpha.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate persawkv 0.0.0-alpha.1 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 persawkv 0.0.0-alpha.1
[INFO] finished tweaking crates.io crate persawkv 0.0.0-alpha.1
[INFO] tweaked toml for crates.io crate persawkv 0.0.0-alpha.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a5497d17544076a9eccf0c21fedeeb39669d111532c438073b0620ee8f54da11
[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" "a5497d17544076a9eccf0c21fedeeb39669d111532c438073b0620ee8f54da11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5497d17544076a9eccf0c21fedeeb39669d111532c438073b0620ee8f54da11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5497d17544076a9eccf0c21fedeeb39669d111532c438073b0620ee8f54da11", kill_on_drop: false }`
[INFO] [stdout] a5497d17544076a9eccf0c21fedeeb39669d111532c438073b0620ee8f54da11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 56e279b49ba0a216af2a6a7cada8ca4df2d18a04da97daf224a90dafe9033dd3
[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" "56e279b49ba0a216af2a6a7cada8ca4df2d18a04da97daf224a90dafe9033dd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unsigned-varint v0.2.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling persy v0.7.1
[INFO] [stderr]    Compiling delegate v0.3.0
[INFO] [stderr]    Compiling persawkv v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `persy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name persy --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/persy-0.7.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f132c2fc6089ecb1 -C extra-filename=-f132c2fc6089ecb1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-a4e1a16bcb5e832a.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-9f694a3b0f1ac2d4.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-9e25ba547a1994ff.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-8af8311b9ad75415.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-87f6316c73290afe.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-57fbec763269ac94.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "56e279b49ba0a216af2a6a7cada8ca4df2d18a04da97daf224a90dafe9033dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e279b49ba0a216af2a6a7cada8ca4df2d18a04da97daf224a90dafe9033dd3", kill_on_drop: false }`
[INFO] [stdout] 56e279b49ba0a216af2a6a7cada8ca4df2d18a04da97daf224a90dafe9033dd3