[INFO] updating cached repository abhijat/rust-network-stuff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abhijat/rust-network-stuff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abhijat/rust-network-stuff" "work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/rust-network-stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/rust-network-stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abhijat/rust-network-stuff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abhijat/rust-network-stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abhijat/rust-network-stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c1885c6381808e874663f4e97f981ca7802e45f
[INFO] sha for GitHub repo abhijat/rust-network-stuff: 2c1885c6381808e874663f4e97f981ca7802e45f
[INFO] validating manifest of abhijat/rust-network-stuff on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of abhijat/rust-network-stuff on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing abhijat/rust-network-stuff
[INFO] finished frobbing abhijat/rust-network-stuff
[INFO] frobbed toml for abhijat/rust-network-stuff written to work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/rust-network-stuff/Cargo.toml
[INFO] started frobbing abhijat/rust-network-stuff
[INFO] finished frobbing abhijat/rust-network-stuff
[INFO] frobbed toml for abhijat/rust-network-stuff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abhijat/rust-network-stuff/Cargo.toml
[INFO] crate abhijat/rust-network-stuff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing abhijat/rust-network-stuff against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/rust-network-stuff:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 370f922a32783557437fc04801970a88d892e20568a6d835d4afb2cf72ade485
[INFO] running `"docker" "start" "-a" "370f922a32783557437fc04801970a88d892e20568a6d835d4afb2cf72ade485"`
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling serde v1.0.32
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling users v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.20.1
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling serde_derive v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling simple-tcp-server-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.98s
[INFO] running `"docker" "inspect" "370f922a32783557437fc04801970a88d892e20568a6d835d4afb2cf72ade485"`
[INFO] running `"docker" "rm" "-f" "370f922a32783557437fc04801970a88d892e20568a6d835d4afb2cf72ade485"`
[INFO] [stdout] 370f922a32783557437fc04801970a88d892e20568a6d835d4afb2cf72ade485
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/rust-network-stuff:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] caa25d8049d031f67ade36c46587f4144c19d553c6ff34464ed34dd922c4c124
[INFO] running `"docker" "start" "-a" "caa25d8049d031f67ade36c46587f4144c19d553c6ff34464ed34dd922c4c124"`
[INFO] [stderr]    Compiling simple-tcp-server-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "caa25d8049d031f67ade36c46587f4144c19d553c6ff34464ed34dd922c4c124"`
[INFO] running `"docker" "rm" "-f" "caa25d8049d031f67ade36c46587f4144c19d553c6ff34464ed34dd922c4c124"`
[INFO] [stdout] caa25d8049d031f67ade36c46587f4144c19d553c6ff34464ed34dd922c4c124
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/abhijat/rust-network-stuff:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 266b3476e84be428f55ea6e12514bf7004ec3fc423775c96def5bdc395299c09
[INFO] running `"docker" "start" "-a" "266b3476e84be428f55ea6e12514bf7004ec3fc423775c96def5bdc395299c09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/client-1da930921a72180e
[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] [stderr]      Running /opt/crater/target/debug/deps/simple_tcp_server_client-d9518fd63c5cfb30
[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] [stderr]      Running /opt/crater/target/debug/deps/udp_client-cd42a943447ed602
[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] [stderr]      Running /opt/crater/target/debug/deps/udp_server-3601514acb247d09
[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" "266b3476e84be428f55ea6e12514bf7004ec3fc423775c96def5bdc395299c09"`
[INFO] running `"docker" "rm" "-f" "266b3476e84be428f55ea6e12514bf7004ec3fc423775c96def5bdc395299c09"`
[INFO] [stdout] 266b3476e84be428f55ea6e12514bf7004ec3fc423775c96def5bdc395299c09