[INFO] fetching crate persy_expimp 0.7.0...
[INFO] testing persy_expimp-0.7.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate persy_expimp 0.7.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate persy_expimp 0.7.0 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 persy_expimp 0.7.0
[INFO] finished tweaking crates.io crate persy_expimp 0.7.0
[INFO] tweaked toml for crates.io crate persy_expimp 0.7.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate persy_expimp 0.7.0 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 55b1cf8f9d28b9acaee4b2d89e79ea0fef189373db5612702e5be29af9944a04
[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" "55b1cf8f9d28b9acaee4b2d89e79ea0fef189373db5612702e5be29af9944a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b1cf8f9d28b9acaee4b2d89e79ea0fef189373db5612702e5be29af9944a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b1cf8f9d28b9acaee4b2d89e79ea0fef189373db5612702e5be29af9944a04", kill_on_drop: false }`
[INFO] [stdout] 55b1cf8f9d28b9acaee4b2d89e79ea0fef189373db5612702e5be29af9944a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4f55000eda7b0b145be84bb52f3cd506d5f8d1caba04aae5511e16c01eaa450
[INFO] running `Command { std: "docker" "start" "-a" "d4f55000eda7b0b145be84bb52f3cd506d5f8d1caba04aae5511e16c01eaa450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling persy v0.11.0
[INFO] [stderr]    Compiling persy_expimp v0.7.0 (/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-0.11.0/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=16e06de5730a8a92 -C extra-filename=-16e06de5730a8a92 --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/libfs2-765f7da03ecaa900.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-8af8311b9ad75415.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-f3ce72d935c66aa4.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-90601ec0ab62d3c9.rmeta --extern zigzag=/opt/rustwide/target/debug/deps/libzigzag-276c16fddb81e71f.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d4f55000eda7b0b145be84bb52f3cd506d5f8d1caba04aae5511e16c01eaa450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f55000eda7b0b145be84bb52f3cd506d5f8d1caba04aae5511e16c01eaa450", kill_on_drop: false }`
[INFO] [stdout] d4f55000eda7b0b145be84bb52f3cd506d5f8d1caba04aae5511e16c01eaa450