[INFO] crate ipwatch 0.1.0 is already in cache
[INFO] extracting crate ipwatch 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ipwatch/0.1.0
[INFO] extracting crate ipwatch 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ipwatch/0.1.0
[INFO] validating manifest of ipwatch-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 ipwatch-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 ipwatch-0.1.0
[INFO] finished frobbing ipwatch-0.1.0
[INFO] frobbed toml for ipwatch-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ipwatch/0.1.0/Cargo.toml
[INFO] started frobbing ipwatch-0.1.0
[INFO] finished frobbing ipwatch-0.1.0
[INFO] frobbed toml for ipwatch-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ipwatch/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] 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 ipwatch-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ipwatch/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 970fcf06c7138d2b47938321a06daac2cfb39ebdb8c109f3befd87ddbc683f29
[INFO] running `"docker" "start" "-a" "970fcf06c7138d2b47938321a06daac2cfb39ebdb8c109f3befd87ddbc683f29"`
[INFO] [stderr]    Compiling netlink-sys v0.1.0
[INFO] [stderr]    Compiling netlink-packet v0.1.1
[INFO] [stderr]    Compiling netlink-proto v0.1.1
[INFO] [stderr]    Compiling ipwatch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:49
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn changed_interface_stream() -> io::Result<Box<Stream<Item = String, Error = io::Error>>>
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = String, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `"docker" "inspect" "970fcf06c7138d2b47938321a06daac2cfb39ebdb8c109f3befd87ddbc683f29"`
[INFO] running `"docker" "rm" "-f" "970fcf06c7138d2b47938321a06daac2cfb39ebdb8c109f3befd87ddbc683f29"`
[INFO] [stdout] 970fcf06c7138d2b47938321a06daac2cfb39ebdb8c109f3befd87ddbc683f29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ipwatch/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ace6c6cce83df36ea1f5ea16cdc5a4f0e4c91569295278affb8822c59e44423
[INFO] running `"docker" "start" "-a" "1ace6c6cce83df36ea1f5ea16cdc5a4f0e4c91569295278affb8822c59e44423"`
[INFO] [stderr]    Compiling ipwatch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:49
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn changed_interface_stream() -> io::Result<Box<Stream<Item = String, Error = io::Error>>>
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = String, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "1ace6c6cce83df36ea1f5ea16cdc5a4f0e4c91569295278affb8822c59e44423"`
[INFO] running `"docker" "rm" "-f" "1ace6c6cce83df36ea1f5ea16cdc5a4f0e4c91569295278affb8822c59e44423"`
[INFO] [stdout] 1ace6c6cce83df36ea1f5ea16cdc5a4f0e4c91569295278affb8822c59e44423
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ipwatch/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 90d9e769925400cd631e5e6eaa5a63d1ae1fd35809be455a17bc1953dd26e622
[INFO] running `"docker" "start" "-a" "90d9e769925400cd631e5e6eaa5a63d1ae1fd35809be455a17bc1953dd26e622"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ipwatch-b714b2f50378f632
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "90d9e769925400cd631e5e6eaa5a63d1ae1fd35809be455a17bc1953dd26e622"`
[INFO] running `"docker" "rm" "-f" "90d9e769925400cd631e5e6eaa5a63d1ae1fd35809be455a17bc1953dd26e622"`
[INFO] [stdout] 90d9e769925400cd631e5e6eaa5a63d1ae1fd35809be455a17bc1953dd26e622