[INFO] updating cached repository https://github.com/mboratko/rust_std_echo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bca861d08c7c9111e2c296ce47c7f8a46f279e27
[INFO] testing mboratko/rust_std_echo against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmboratko%2Frust_std_echo" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mboratko/rust_std_echo on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mboratko/rust_std_echo
[INFO] finished tweaking git repo https://github.com/mboratko/rust_std_echo
[INFO] tweaked toml for git repo https://github.com/mboratko/rust_std_echo written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mboratko/rust_std_echo already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 5431bb775342b43605cf1827597a9979d8e77f1cdc126a39a8896ac24e30d9b4
[INFO] running `"docker" "start" "-a" "5431bb775342b43605cf1827597a9979d8e77f1cdc126a39a8896ac24e30d9b4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_std_echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/bin/server.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let received_str = received_str.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: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/bin/client.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("Server >>> {}", received_str.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]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "5431bb775342b43605cf1827597a9979d8e77f1cdc126a39a8896ac24e30d9b4"`
[INFO] running `"docker" "rm" "-f" "5431bb775342b43605cf1827597a9979d8e77f1cdc126a39a8896ac24e30d9b4"`
[INFO] [stdout] 5431bb775342b43605cf1827597a9979d8e77f1cdc126a39a8896ac24e30d9b4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d694c72d9780c0470fee84853e569c4f6cdc10afe0ec1593072fe33ffbc130c9
[INFO] running `"docker" "start" "-a" "d694c72d9780c0470fee84853e569c4f6cdc10afe0ec1593072fe33ffbc130c9"`
[INFO] [stderr]    Compiling rust_std_echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/bin/server.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let received_str = received_str.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: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/bin/client.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("Server >>> {}", received_str.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]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "d694c72d9780c0470fee84853e569c4f6cdc10afe0ec1593072fe33ffbc130c9"`
[INFO] running `"docker" "rm" "-f" "d694c72d9780c0470fee84853e569c4f6cdc10afe0ec1593072fe33ffbc130c9"`
[INFO] [stdout] d694c72d9780c0470fee84853e569c4f6cdc10afe0ec1593072fe33ffbc130c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ebd81fb4dd1edacd4b357c91a1e02d8889c9c6c5d602ff5ff291f7d2f5bc671e
[INFO] running `"docker" "start" "-a" "ebd81fb4dd1edacd4b357c91a1e02d8889c9c6c5d602ff5ff291f7d2f5bc671e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client-bb3f1f2204a31a87
[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/rustwide/target/debug/deps/server-ad64faceb02adcb9
[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" "ebd81fb4dd1edacd4b357c91a1e02d8889c9c6c5d602ff5ff291f7d2f5bc671e"`
[INFO] running `"docker" "rm" "-f" "ebd81fb4dd1edacd4b357c91a1e02d8889c9c6c5d602ff5ff291f7d2f5bc671e"`
[INFO] [stdout] ebd81fb4dd1edacd4b357c91a1e02d8889c9c6c5d602ff5ff291f7d2f5bc671e