[INFO] cloning repository https://github.com/gterzian/simple_chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gterzian/simple_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fsimple_chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fsimple_chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f85ae5a882d8a0bdc8554d708fc6880d841c359
[INFO] testing gterzian/simple_chat against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fsimple_chat" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gterzian/simple_chat on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-42/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gterzian/simple_chat
[INFO] finished tweaking git repo https://github.com/gterzian/simple_chat
[INFO] tweaked toml for git repo https://github.com/gterzian/simple_chat written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/gterzian/simple_chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c68b1252be2c44e22d53b709128062f03722a4fe62b2908441b23bc32f87060d
[INFO] running `Command { std: "docker" "start" "-a" "c68b1252be2c44e22d53b709128062f03722a4fe62b2908441b23bc32f87060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c68b1252be2c44e22d53b709128062f03722a4fe62b2908441b23bc32f87060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68b1252be2c44e22d53b709128062f03722a4fe62b2908441b23bc32f87060d", kill_on_drop: false }`
[INFO] [stdout] c68b1252be2c44e22d53b709128062f03722a4fe62b2908441b23bc32f87060d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165c16c275e6fda9b04423253817e7a20a06e549cf56bd2ecb14bed3ee05ccb6
[INFO] running `Command { std: "docker" "start" "-a" "165c16c275e6fda9b04423253817e7a20a06e549cf56bd2ecb14bed3ee05ccb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.5
[INFO] [stderr]    Compiling simple_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/main.rs:143:64
[INFO] [stdout]     |
[INFO] [stdout] 143 |         _ => panic!("unknown argument - usage is 'cargo run -- {server|client}")
[INFO] [stdout]     |                                                                ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 143 |         _ => panic!("{}", "unknown argument - usage is 'cargo run -- {server|client}")
[INFO] [stdout]     |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "165c16c275e6fda9b04423253817e7a20a06e549cf56bd2ecb14bed3ee05ccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165c16c275e6fda9b04423253817e7a20a06e549cf56bd2ecb14bed3ee05ccb6", kill_on_drop: false }`
[INFO] [stdout] 165c16c275e6fda9b04423253817e7a20a06e549cf56bd2ecb14bed3ee05ccb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d990a75a49f6bdd455491a52d160ca912c30f09722c7b925a7d08fd6bbd2d61
[INFO] running `Command { std: "docker" "start" "-a" "6d990a75a49f6bdd455491a52d160ca912c30f09722c7b925a7d08fd6bbd2d61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/main.rs:143:64
[INFO] [stdout]     |
[INFO] [stdout] 143 |         _ => panic!("unknown argument - usage is 'cargo run -- {server|client}")
[INFO] [stdout]     |                                                                ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 143 |         _ => panic!("{}", "unknown argument - usage is 'cargo run -- {server|client}")
[INFO] [stdout]     |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "6d990a75a49f6bdd455491a52d160ca912c30f09722c7b925a7d08fd6bbd2d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d990a75a49f6bdd455491a52d160ca912c30f09722c7b925a7d08fd6bbd2d61", kill_on_drop: false }`
[INFO] [stdout] 6d990a75a49f6bdd455491a52d160ca912c30f09722c7b925a7d08fd6bbd2d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 793459f0392478fcf7fc4bd538ca635e155304eb357ce5e8029c6c4807f68857
[INFO] running `Command { std: "docker" "start" "-a" "793459f0392478fcf7fc4bd538ca635e155304eb357ce5e8029c6c4807f68857", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]    --> src/main.rs:143:64
[INFO] [stderr]     |
[INFO] [stderr] 143 |         _ => panic!("unknown argument - usage is 'cargo run -- {server|client}")
[INFO] [stderr]     |                                                                ^             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 143 |         _ => panic!("{}", "unknown argument - usage is 'cargo run -- {server|client}")
[INFO] [stderr]     |                     +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_chat` (bin "simple_chat" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_chat-fd9f9dc08de99a84)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_server_and_client_messaging ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "793459f0392478fcf7fc4bd538ca635e155304eb357ce5e8029c6c4807f68857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793459f0392478fcf7fc4bd538ca635e155304eb357ce5e8029c6c4807f68857", kill_on_drop: false }`
[INFO] [stdout] 793459f0392478fcf7fc4bd538ca635e155304eb357ce5e8029c6c4807f68857