[INFO] updating cached repository Nervengift/chat-server-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nervengift/chat-server-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nervengift/chat-server-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/Nervengift/chat-server-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Nervengift/chat-server-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nervengift/chat-server-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nervengift/chat-server-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nervengift/chat-server-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a9566ecaeba7635320ef39ec21127051be12632
[INFO] sha for GitHub repo Nervengift/chat-server-example: 1a9566ecaeba7635320ef39ec21127051be12632
[INFO] validating manifest of Nervengift/chat-server-example 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 Nervengift/chat-server-example 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 Nervengift/chat-server-example
[INFO] finished frobbing Nervengift/chat-server-example
[INFO] frobbed toml for Nervengift/chat-server-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/Nervengift/chat-server-example/Cargo.toml
[INFO] started frobbing Nervengift/chat-server-example
[INFO] finished frobbing Nervengift/chat-server-example
[INFO] frobbed toml for Nervengift/chat-server-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nervengift/chat-server-example/Cargo.toml
[INFO] crate Nervengift/chat-server-example 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 Nervengift/chat-server-example 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-4/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/Nervengift/chat-server-example:/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] 5b9c421060839071f6f72844d4a2025e125aaa6ddd16b0294260fc01f0468332
[INFO] running `"docker" "start" "-a" "5b9c421060839071f6f72844d4a2025e125aaa6ddd16b0294260fc01f0468332"`
[INFO] [stderr]    Compiling socket-server-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let name = name.trim_right();
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:70:16
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Ok(mut stream) => {
[INFO] [stderr]    |                ----^^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "5b9c421060839071f6f72844d4a2025e125aaa6ddd16b0294260fc01f0468332"`
[INFO] running `"docker" "rm" "-f" "5b9c421060839071f6f72844d4a2025e125aaa6ddd16b0294260fc01f0468332"`
[INFO] [stdout] 5b9c421060839071f6f72844d4a2025e125aaa6ddd16b0294260fc01f0468332
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/Nervengift/chat-server-example:/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] 15776c7a9f4bb33a3c02f0394a097f51ba6d763cb89d921552ead79e25459488
[INFO] running `"docker" "start" "-a" "15776c7a9f4bb33a3c02f0394a097f51ba6d763cb89d921552ead79e25459488"`
[INFO] [stderr]    Compiling socket-server-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let name = name.trim_right();
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:70:16
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Ok(mut stream) => {
[INFO] [stderr]    |                ----^^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "15776c7a9f4bb33a3c02f0394a097f51ba6d763cb89d921552ead79e25459488"`
[INFO] running `"docker" "rm" "-f" "15776c7a9f4bb33a3c02f0394a097f51ba6d763cb89d921552ead79e25459488"`
[INFO] [stdout] 15776c7a9f4bb33a3c02f0394a097f51ba6d763cb89d921552ead79e25459488
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/Nervengift/chat-server-example:/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] 42805454bcc6d14e50cb5a12e1dd1fc224e2511c4f54ccc2258fd682413f7bfe
[INFO] running `"docker" "start" "-a" "42805454bcc6d14e50cb5a12e1dd1fc224e2511c4f54ccc2258fd682413f7bfe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/socket_server_test-51da015248f99165
[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" "42805454bcc6d14e50cb5a12e1dd1fc224e2511c4f54ccc2258fd682413f7bfe"`
[INFO] running `"docker" "rm" "-f" "42805454bcc6d14e50cb5a12e1dd1fc224e2511c4f54ccc2258fd682413f7bfe"`
[INFO] [stdout] 42805454bcc6d14e50cb5a12e1dd1fc224e2511c4f54ccc2258fd682413f7bfe