[INFO] crate persy_expimp 0.6.0 is already in cache
[INFO] testing persy_expimp-0.6.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate persy_expimp 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate persy_expimp 0.6.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persy_expimp 0.6.0
[INFO] finished tweaking crates.io crate persy_expimp 0.6.0
[INFO] tweaked toml for crates.io crate persy_expimp 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate persy_expimp 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aa1c96428455fa9ed74269bc99f2e119159effec5de6215c29af63ffafab766
[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" "3aa1c96428455fa9ed74269bc99f2e119159effec5de6215c29af63ffafab766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aa1c96428455fa9ed74269bc99f2e119159effec5de6215c29af63ffafab766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa1c96428455fa9ed74269bc99f2e119159effec5de6215c29af63ffafab766", kill_on_drop: false }`
[INFO] [stdout] 3aa1c96428455fa9ed74269bc99f2e119159effec5de6215c29af63ffafab766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98dd0a7d974985d7fdd8f4bb6491aeb9ecb01e06a38726966698fd88f5f23d4b
[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" "98dd0a7d974985d7fdd8f4bb6491aeb9ecb01e06a38726966698fd88f5f23d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling unsigned-varint v0.4.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling crc v1.8.1
[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 v0.10.0
[INFO] [stderr]    Compiling persy_expimp v0.6.0 (/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-0.10.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=6fa97f8c33709c5a -C extra-filename=-6fa97f8c33709c5a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f7f925fcf7e16859.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-eb2f0502c7cf0197.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-24daa7af4b9b6cfb.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-021a84307ee83332.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-4a9c1d734f98eed8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8651a279373129d2.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-914bb34cb2a19343.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "98dd0a7d974985d7fdd8f4bb6491aeb9ecb01e06a38726966698fd88f5f23d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dd0a7d974985d7fdd8f4bb6491aeb9ecb01e06a38726966698fd88f5f23d4b", kill_on_drop: false }`
[INFO] [stdout] 98dd0a7d974985d7fdd8f4bb6491aeb9ecb01e06a38726966698fd88f5f23d4b