[INFO] updating cached repository VictorKoenders/artnet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VictorKoenders/artnet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VictorKoenders/artnet" "work/ex/beta-1.37-6/sources/1.36.0/gh/VictorKoenders/artnet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/VictorKoenders/artnet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VictorKoenders/artnet" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VictorKoenders/artnet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VictorKoenders/artnet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31c745c7abc6a0d7730fec016c66435bb157707c
[INFO] sha for GitHub repo VictorKoenders/artnet: 31c745c7abc6a0d7730fec016c66435bb157707c
[INFO] validating manifest of VictorKoenders/artnet 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 VictorKoenders/artnet 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 VictorKoenders/artnet
[INFO] finished frobbing VictorKoenders/artnet
[INFO] frobbed toml for VictorKoenders/artnet written to work/ex/beta-1.37-6/sources/1.36.0/gh/VictorKoenders/artnet/Cargo.toml
[INFO] started frobbing VictorKoenders/artnet
[INFO] finished frobbing VictorKoenders/artnet
[INFO] frobbed toml for VictorKoenders/artnet written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VictorKoenders/artnet/Cargo.toml
[INFO] crate VictorKoenders/artnet already has a lockfile, it will not be regenerated
[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 VictorKoenders/artnet 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VictorKoenders/artnet:/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] fd8b577b63b1e8ad3e8079615a0c223fff7a49b423385080d05ba5ad76e88a22
[INFO] running `"docker" "start" "-a" "fd8b577b63b1e8ad3e8079615a0c223fff7a49b423385080d05ba5ad76e88a22"`
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling artnet v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unicast.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     target: Box<Target>,
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `"docker" "inspect" "fd8b577b63b1e8ad3e8079615a0c223fff7a49b423385080d05ba5ad76e88a22"`
[INFO] running `"docker" "rm" "-f" "fd8b577b63b1e8ad3e8079615a0c223fff7a49b423385080d05ba5ad76e88a22"`
[INFO] [stdout] fd8b577b63b1e8ad3e8079615a0c223fff7a49b423385080d05ba5ad76e88a22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VictorKoenders/artnet:/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] 24b7bb04b090bc4ca6f118a90a9e663cb46becb43f91b0d4278cd043f2b8e51b
[INFO] running `"docker" "start" "-a" "24b7bb04b090bc4ca6f118a90a9e663cb46becb43f91b0d4278cd043f2b8e51b"`
[INFO] [stderr]    Compiling artnet v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unicast.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     target: Box<Target>,
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "24b7bb04b090bc4ca6f118a90a9e663cb46becb43f91b0d4278cd043f2b8e51b"`
[INFO] running `"docker" "rm" "-f" "24b7bb04b090bc4ca6f118a90a9e663cb46becb43f91b0d4278cd043f2b8e51b"`
[INFO] [stdout] 24b7bb04b090bc4ca6f118a90a9e663cb46becb43f91b0d4278cd043f2b8e51b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VictorKoenders/artnet:/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] ee1021e4db3c6b95fcb69e10936938cd4e0bb2083d3101c044e5edfa8d1d54bf
[INFO] running `"docker" "start" "-a" "ee1021e4db3c6b95fcb69e10936938cd4e0bb2083d3101c044e5edfa8d1d54bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/artnet-dc99ede4739b86ec
[INFO] [stderr]    Doc-tests artnet
[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] [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" "ee1021e4db3c6b95fcb69e10936938cd4e0bb2083d3101c044e5edfa8d1d54bf"`
[INFO] running `"docker" "rm" "-f" "ee1021e4db3c6b95fcb69e10936938cd4e0bb2083d3101c044e5edfa8d1d54bf"`
[INFO] [stdout] ee1021e4db3c6b95fcb69e10936938cd4e0bb2083d3101c044e5edfa8d1d54bf