[INFO] fetching crate libp2p-swarm 0.1.0...
[INFO] extracting crate libp2p-swarm 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/libp2p-swarm/0.1.0
[INFO] extracting crate libp2p-swarm 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libp2p-swarm/0.1.0
[INFO] validating manifest of libp2p-swarm-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libp2p-swarm-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libp2p-swarm-0.1.0
[INFO] finished frobbing libp2p-swarm-0.1.0
[INFO] frobbed toml for libp2p-swarm-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libp2p-swarm/0.1.0/Cargo.toml
[INFO] started frobbing libp2p-swarm-0.1.0
[INFO] finished frobbing libp2p-swarm-0.1.0
[INFO] frobbed toml for libp2p-swarm-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libp2p-swarm/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libp2p-swarm-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libp2p-swarm/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6d34fddd8eca63685932330911f7a13cbd3bd9cf88a5b145a63abb65cde5ea61
[INFO] running `"docker" "start" "-a" "6d34fddd8eca63685932330911f7a13cbd3bd9cf88a5b145a63abb65cde5ea61"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling wasm-timer v0.1.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.2
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling blake2 v0.8.0
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling rw-stream-sink v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling hmac-drbg v0.1.2
[INFO] [stderr]    Compiling unsigned-varint v0.2.2
[INFO] [stderr]    Compiling libsecp256k1 v0.2.2
[INFO] [stderr]    Compiling parity-multihash v0.1.3
[INFO] [stderr]    Compiling multistream-select v0.4.0
[INFO] [stderr]    Compiling asn1_der v0.6.2
[INFO] [stderr]    Compiling parity-multiaddr v0.5.0
[INFO] [stderr]    Compiling zeroize v0.9.3
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]    Compiling libp2p-core v0.11.0
[INFO] [stderr]    Compiling libp2p-swarm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.06s
[INFO] running `"docker" "inspect" "6d34fddd8eca63685932330911f7a13cbd3bd9cf88a5b145a63abb65cde5ea61"`
[INFO] running `"docker" "rm" "-f" "6d34fddd8eca63685932330911f7a13cbd3bd9cf88a5b145a63abb65cde5ea61"`
[INFO] [stdout] 6d34fddd8eca63685932330911f7a13cbd3bd9cf88a5b145a63abb65cde5ea61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libp2p-swarm/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7717b67de36d315fc9eb359afff66670f53574403e1b9200a1c52da347e56d17
[INFO] running `"docker" "start" "-a" "7717b67de36d315fc9eb359afff66670f53574403e1b9200a1c52da347e56d17"`
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling libp2p-swarm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stderr]    --> src/lib.rs:576:9
[INFO] [stderr]     |
[INFO] [stderr] 576 |     use libp2p_mplex::Multiplex;
[INFO] [stderr]     |         ^^^^^^^^^^^^ use of undeclared type or module `libp2p_mplex`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `libp2p-swarm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7717b67de36d315fc9eb359afff66670f53574403e1b9200a1c52da347e56d17"`
[INFO] running `"docker" "rm" "-f" "7717b67de36d315fc9eb359afff66670f53574403e1b9200a1c52da347e56d17"`
[INFO] [stdout] 7717b67de36d315fc9eb359afff66670f53574403e1b9200a1c52da347e56d17