[INFO] updating cached repository mattico/rchat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattico/rchat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattico/rchat" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/rchat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/rchat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattico/rchat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/rchat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/rchat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61ecf665f9ff4d34a5cb778e2b814a8c2dc72225
[INFO] sha for GitHub repo mattico/rchat: 61ecf665f9ff4d34a5cb778e2b814a8c2dc72225
[INFO] validating manifest of mattico/rchat 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 mattico/rchat 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 mattico/rchat
[INFO] finished frobbing mattico/rchat
[INFO] frobbed toml for mattico/rchat written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/rchat/Cargo.toml
[INFO] started frobbing mattico/rchat
[INFO] finished frobbing mattico/rchat
[INFO] frobbed toml for mattico/rchat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/rchat/Cargo.toml
[INFO] crate mattico/rchat 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/rchat/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mattico/rchat 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/mattico/rchat:/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] 84e9425d0bfe0681a1470b5b573ba62dff247721bf23c8c5733f078b20fd1d07
[INFO] running `"docker" "start" "-a" "84e9425d0bfe0681a1470b5b573ba62dff247721bf23c8c5733f078b20fd1d07"`
[INFO] [stderr]    Compiling rchat v0.0.1 (/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:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 let _ = socket.send_to(line.trim_right().as_bytes(), &addr);
[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:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut console = io::stdin();
[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] warning: enum is never used: `Packet`
[INFO] [stderr]  --> src/packet.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Packet {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "84e9425d0bfe0681a1470b5b573ba62dff247721bf23c8c5733f078b20fd1d07"`
[INFO] running `"docker" "rm" "-f" "84e9425d0bfe0681a1470b5b573ba62dff247721bf23c8c5733f078b20fd1d07"`
[INFO] [stdout] 84e9425d0bfe0681a1470b5b573ba62dff247721bf23c8c5733f078b20fd1d07
[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/mattico/rchat:/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] b3e2850e1bb11691ce538b6037533f8ed2c33dd96dec9feead706b50a3a75de5
[INFO] running `"docker" "start" "-a" "b3e2850e1bb11691ce538b6037533f8ed2c33dd96dec9feead706b50a3a75de5"`
[INFO] [stderr]    Compiling rchat v0.0.1 (/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:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 let _ = socket.send_to(line.trim_right().as_bytes(), &addr);
[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:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut console = io::stdin();
[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] warning: enum is never used: `Packet`
[INFO] [stderr]  --> src/packet.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Packet {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "b3e2850e1bb11691ce538b6037533f8ed2c33dd96dec9feead706b50a3a75de5"`
[INFO] running `"docker" "rm" "-f" "b3e2850e1bb11691ce538b6037533f8ed2c33dd96dec9feead706b50a3a75de5"`
[INFO] [stdout] b3e2850e1bb11691ce538b6037533f8ed2c33dd96dec9feead706b50a3a75de5
[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/mattico/rchat:/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] c11795d8c686724aec93869b8458e0ca82e5396d5c4ffac8697549cc92b1fab9
[INFO] running `"docker" "start" "-a" "c11795d8c686724aec93869b8458e0ca82e5396d5c4ffac8697549cc92b1fab9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rchat-d1bd56b398c8895b
[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" "c11795d8c686724aec93869b8458e0ca82e5396d5c4ffac8697549cc92b1fab9"`
[INFO] running `"docker" "rm" "-f" "c11795d8c686724aec93869b8458e0ca82e5396d5c4ffac8697549cc92b1fab9"`
[INFO] [stdout] c11795d8c686724aec93869b8458e0ca82e5396d5c4ffac8697549cc92b1fab9