[INFO] crate persy 0.6.1 is already in cache
[INFO] testing persy-0.6.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate persy 0.6.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate persy 0.6.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate persy 0.6.1
[INFO] finished tweaking crates.io crate persy 0.6.1
[INFO] tweaked toml for crates.io crate persy 0.6.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate persy 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5b562e2e14e077dacc276b3981eff07d35f0cb01be7f574128c864699ed159ce
[INFO] running `"docker" "start" "-a" "5b562e2e14e077dacc276b3981eff07d35f0cb01be7f574128c864699ed159ce"`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling unsigned-varint v0.2.2
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling persy v0.6.1 (/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 src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=7e2371d5c5fe2f3a -C extra-filename=-7e2371d5c5fe2f3a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-fdd43a3ae319d8ce.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-7744bc2d59024776.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-ab01d15f4deec511.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-b750dc7fffc13c25.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-f2b67d6ab4d44c07.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-239fbbcc8daab83c.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-83996d0c2f8ee772.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "5b562e2e14e077dacc276b3981eff07d35f0cb01be7f574128c864699ed159ce"`
[INFO] running `"docker" "rm" "-f" "5b562e2e14e077dacc276b3981eff07d35f0cb01be7f574128c864699ed159ce"`
[INFO] [stdout] 5b562e2e14e077dacc276b3981eff07d35f0cb01be7f574128c864699ed159ce