[INFO] updating cached repository lucarlig/tcp_echo_server_tokio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lucarlig/tcp_echo_server_tokio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lucarlig/tcp_echo_server_tokio" "work/ex/beta-1.38-1/sources/1.37.0/gh/lucarlig/tcp_echo_server_tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lucarlig/tcp_echo_server_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lucarlig/tcp_echo_server_tokio" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucarlig/tcp_echo_server_tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucarlig/tcp_echo_server_tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99e8a521bf729bf3a613f9edc22c4247bfb20e91
[INFO] sha for GitHub repo lucarlig/tcp_echo_server_tokio: 99e8a521bf729bf3a613f9edc22c4247bfb20e91
[INFO] validating manifest of lucarlig/tcp_echo_server_tokio 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 lucarlig/tcp_echo_server_tokio 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 lucarlig/tcp_echo_server_tokio
[INFO] finished frobbing lucarlig/tcp_echo_server_tokio
[INFO] frobbed toml for lucarlig/tcp_echo_server_tokio written to work/ex/beta-1.38-1/sources/1.37.0/gh/lucarlig/tcp_echo_server_tokio/Cargo.toml
[INFO] started frobbing lucarlig/tcp_echo_server_tokio
[INFO] finished frobbing lucarlig/tcp_echo_server_tokio
[INFO] frobbed toml for lucarlig/tcp_echo_server_tokio written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucarlig/tcp_echo_server_tokio/Cargo.toml
[INFO] crate lucarlig/tcp_echo_server_tokio 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lucarlig/tcp_echo_server_tokio against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucarlig/tcp_echo_server_tokio:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] eb35532ecab863558264df01c1c129fc83445cafa7bd34d37f5a3a6add945015
[INFO] running `"docker" "start" "-a" "eb35532ecab863558264df01c1c129fc83445cafa7bd34d37f5a3a6add945015"`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling tcp_echo_server_tokio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.80s
[INFO] running `"docker" "inspect" "eb35532ecab863558264df01c1c129fc83445cafa7bd34d37f5a3a6add945015"`
[INFO] running `"docker" "rm" "-f" "eb35532ecab863558264df01c1c129fc83445cafa7bd34d37f5a3a6add945015"`
[INFO] [stdout] eb35532ecab863558264df01c1c129fc83445cafa7bd34d37f5a3a6add945015
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucarlig/tcp_echo_server_tokio:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 358ae43a9f6261dc5d7f27bc7a78ae7cb1c096f0b185e1fd5da15c091607d594
[INFO] running `"docker" "start" "-a" "358ae43a9f6261dc5d7f27bc7a78ae7cb1c096f0b185e1fd5da15c091607d594"`
[INFO] [stderr]    Compiling tcp_echo_server_tokio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "358ae43a9f6261dc5d7f27bc7a78ae7cb1c096f0b185e1fd5da15c091607d594"`
[INFO] running `"docker" "rm" "-f" "358ae43a9f6261dc5d7f27bc7a78ae7cb1c096f0b185e1fd5da15c091607d594"`
[INFO] [stdout] 358ae43a9f6261dc5d7f27bc7a78ae7cb1c096f0b185e1fd5da15c091607d594
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucarlig/tcp_echo_server_tokio:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f6a4006923fdee7ad06ce77344312b9459c8491b57483bf16afa899256138bed
[INFO] running `"docker" "start" "-a" "f6a4006923fdee7ad06ce77344312b9459c8491b57483bf16afa899256138bed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tcp_echo_server_tokio-b0e81a4c3e93ca4f
[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" "f6a4006923fdee7ad06ce77344312b9459c8491b57483bf16afa899256138bed"`
[INFO] running `"docker" "rm" "-f" "f6a4006923fdee7ad06ce77344312b9459c8491b57483bf16afa899256138bed"`
[INFO] [stdout] f6a4006923fdee7ad06ce77344312b9459c8491b57483bf16afa899256138bed