[INFO] updating cached repository drouarb/RustEchoSocket
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drouarb/RustEchoSocket
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drouarb/RustEchoSocket" "work/ex/beta-1.37-6/sources/1.36.0/gh/drouarb/RustEchoSocket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/drouarb/RustEchoSocket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drouarb/RustEchoSocket" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/drouarb/RustEchoSocket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/drouarb/RustEchoSocket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 672fcccab89cb81348ee1ed7a14b737687801cbe
[INFO] sha for GitHub repo drouarb/RustEchoSocket: 672fcccab89cb81348ee1ed7a14b737687801cbe
[INFO] validating manifest of drouarb/RustEchoSocket 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 drouarb/RustEchoSocket 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 drouarb/RustEchoSocket
[INFO] finished frobbing drouarb/RustEchoSocket
[INFO] frobbed toml for drouarb/RustEchoSocket written to work/ex/beta-1.37-6/sources/1.36.0/gh/drouarb/RustEchoSocket/Cargo.toml
[INFO] started frobbing drouarb/RustEchoSocket
[INFO] finished frobbing drouarb/RustEchoSocket
[INFO] frobbed toml for drouarb/RustEchoSocket written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/drouarb/RustEchoSocket/Cargo.toml
[INFO] crate drouarb/RustEchoSocket 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 drouarb/RustEchoSocket 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/gh/drouarb/RustEchoSocket:/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] abd3b29c96848a3676e08575e851a2b3f2d6fc6caab917fb225c1fe08849bbc1
[INFO] running `"docker" "start" "-a" "abd3b29c96848a3676e08575e851a2b3f2d6fc6caab917fb225c1fe08849bbc1"`
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.6
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling Socket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_core::reactor::Core;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Socket` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `socket`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `"docker" "inspect" "abd3b29c96848a3676e08575e851a2b3f2d6fc6caab917fb225c1fe08849bbc1"`
[INFO] running `"docker" "rm" "-f" "abd3b29c96848a3676e08575e851a2b3f2d6fc6caab917fb225c1fe08849bbc1"`
[INFO] [stdout] abd3b29c96848a3676e08575e851a2b3f2d6fc6caab917fb225c1fe08849bbc1
[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/gh/drouarb/RustEchoSocket:/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] e0ac9ecb6b979917cf7429e7a33f98d2adc37384c3ce5c60c20d91c1b9ebcd5c
[INFO] running `"docker" "start" "-a" "e0ac9ecb6b979917cf7429e7a33f98d2adc37384c3ce5c60c20d91c1b9ebcd5c"`
[INFO] [stderr]    Compiling Socket v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_core::reactor::Core;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Socket` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `socket`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "e0ac9ecb6b979917cf7429e7a33f98d2adc37384c3ce5c60c20d91c1b9ebcd5c"`
[INFO] running `"docker" "rm" "-f" "e0ac9ecb6b979917cf7429e7a33f98d2adc37384c3ce5c60c20d91c1b9ebcd5c"`
[INFO] [stdout] e0ac9ecb6b979917cf7429e7a33f98d2adc37384c3ce5c60c20d91c1b9ebcd5c
[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/gh/drouarb/RustEchoSocket:/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"`
[INFO] [stdout] c6f9641167ca3a0e46b4bb8e63e0843946ef53d92c8dee296b4ba88fc5a8a6ce
[INFO] running `"docker" "start" "-a" "c6f9641167ca3a0e46b4bb8e63e0843946ef53d92c8dee296b4ba88fc5a8a6ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Socket-a0fb1243241503c1
[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" "c6f9641167ca3a0e46b4bb8e63e0843946ef53d92c8dee296b4ba88fc5a8a6ce"`
[INFO] running `"docker" "rm" "-f" "c6f9641167ca3a0e46b4bb8e63e0843946ef53d92c8dee296b4ba88fc5a8a6ce"`
[INFO] [stdout] c6f9641167ca3a0e46b4bb8e63e0843946ef53d92c8dee296b4ba88fc5a8a6ce