[INFO] cloning repository https://github.com/dwerner/chat-mio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwerner/chat-mio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fchat-mio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fchat-mio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ca790561fade479ce3d15e37ba48fdd9fb43889
[INFO] testing dwerner/chat-mio against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Fchat-mio" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwerner/chat-mio on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwerner/chat-mio
[INFO] finished tweaking git repo https://github.com/dwerner/chat-mio
[INFO] tweaked toml for git repo https://github.com/dwerner/chat-mio written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/dwerner/chat-mio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2061e912cd76fce44c0fc794164dad5405f688fa08cc571470e723832e48045f
[INFO] running `Command { std: "docker" "start" "-a" "2061e912cd76fce44c0fc794164dad5405f688fa08cc571470e723832e48045f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2061e912cd76fce44c0fc794164dad5405f688fa08cc571470e723832e48045f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2061e912cd76fce44c0fc794164dad5405f688fa08cc571470e723832e48045f", kill_on_drop: false }`
[INFO] [stdout] 2061e912cd76fce44c0fc794164dad5405f688fa08cc571470e723832e48045f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3410a563155f0ceca77b28adb9750b632833d58323dda672a18a73c811a1dc8f
[INFO] running `Command { std: "docker" "start" "-a" "3410a563155f0ceca77b28adb9750b632833d58323dda672a18a73c811a1dc8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling path-tree v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling qstring v0.7.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling chat-mio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "3410a563155f0ceca77b28adb9750b632833d58323dda672a18a73c811a1dc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3410a563155f0ceca77b28adb9750b632833d58323dda672a18a73c811a1dc8f", kill_on_drop: false }`
[INFO] [stdout] 3410a563155f0ceca77b28adb9750b632833d58323dda672a18a73c811a1dc8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee02f64e687ddad3df5cc8f1c445a002c9b2892dd0f9fa4e7668d77f1ee6bc4
[INFO] running `Command { std: "docker" "start" "-a" "dee02f64e687ddad3df5cc8f1c445a002c9b2892dd0f9fa4e7668d77f1ee6bc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chat-mio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/chat_service.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         for i in 0..10 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/parse.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let req =
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]    --> src/server.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let sock = TcpStream::connect(&addr).unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "dee02f64e687ddad3df5cc8f1c445a002c9b2892dd0f9fa4e7668d77f1ee6bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee02f64e687ddad3df5cc8f1c445a002c9b2892dd0f9fa4e7668d77f1ee6bc4", kill_on_drop: false }`
[INFO] [stdout] dee02f64e687ddad3df5cc8f1c445a002c9b2892dd0f9fa4e7668d77f1ee6bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b83a11dfd9f7c7ac1de0e566dda3c9485e8dfd739cdf25fe94142b94e5fa272
[INFO] running `Command { std: "docker" "start" "-a" "3b83a11dfd9f7c7ac1de0e566dda3c9485e8dfd739cdf25fe94142b94e5fa272", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/chat_service.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |         for i in 0..10 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/parse.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let req =
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sock`
[INFO] [stderr]    --> src/server.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |         let sock = TcpStream::connect(&addr).unwrap();
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stderr] 
[INFO] [stderr] warning: `chat-mio` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat_mio-c0aba8b5428f1d42)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test parse::tests::test_bad_content_length ... ok
[INFO] [stdout] test parse::tests::test_header ... ok
[INFO] [stdout] test parse::tests::test_method ... ok
[INFO] [stdout] test parse::tests::test_parse_pipelined_no_body ... ok
[INFO] [stdout] test parse::tests::test_parse_real ... ok
[INFO] [stdout] test parse::tests::test_pipelined_requests_with_body ... ok
[INFO] [stdout] test parse::tests::test_parse_request ... ok
[INFO] [stdout] test parse::tests::test_start_line2 ... ok
[INFO] [stdout] test parse::tests::test_single_request ... ok
[INFO] [stdout] test parse::tests::test_start_line ... ok
[INFO] [stdout] test parse::tests::test_uri ... ok
[INFO] [stdout] test parse::tests::test_version ... ok
[INFO] [stdout] test router::tests::test_route_with_params_and_response ... ok
[INFO] [stdout] test server::tests::create_server ... ok
[INFO] [stdout] test chat_service::tests::test_chat_service ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat_mio-f622f37ebc76d5f2)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chat-mio
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b83a11dfd9f7c7ac1de0e566dda3c9485e8dfd739cdf25fe94142b94e5fa272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b83a11dfd9f7c7ac1de0e566dda3c9485e8dfd739cdf25fe94142b94e5fa272", kill_on_drop: false }`
[INFO] [stdout] 3b83a11dfd9f7c7ac1de0e566dda3c9485e8dfd739cdf25fe94142b94e5fa272