[INFO] cloning repository https://github.com/isicheri/rust-simple-tcp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isicheri/rust-simple-tcp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisicheri%2Frust-simple-tcp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisicheri%2Frust-simple-tcp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a41243f9e05953a8365b68a58d47094dbe24c4e3
[INFO] testing isicheri/rust-simple-tcp-server against try#bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b for pr-154756
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisicheri%2Frust-simple-tcp-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isicheri/rust-simple-tcp-server
[INFO] finished tweaking git repo https://github.com/isicheri/rust-simple-tcp-server
[INFO] tweaked toml for git repo https://github.com/isicheri/rust-simple-tcp-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isicheri/rust-simple-tcp-server on toolchain bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isicheri/rust-simple-tcp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b429971e5b3f91dd728ecfedd43b4dff4cb2d4121357fad8d6fb58eb7f37d6d9
[INFO] running `Command { std: "docker" "start" "-a" "b429971e5b3f91dd728ecfedd43b4dff4cb2d4121357fad8d6fb58eb7f37d6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b429971e5b3f91dd728ecfedd43b4dff4cb2d4121357fad8d6fb58eb7f37d6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b429971e5b3f91dd728ecfedd43b4dff4cb2d4121357fad8d6fb58eb7f37d6d9", kill_on_drop: false }`
[INFO] [stdout] b429971e5b3f91dd728ecfedd43b4dff4cb2d4121357fad8d6fb58eb7f37d6d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b110a2a9b6c6e9b202ae3b326a8b353b37ee1085a6676b5803bf67448b204f
[INFO] running `Command { std: "docker" "start" "-a" "10b110a2a9b6c6e9b202ae3b326a8b353b37ee1085a6676b5803bf67448b204f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `http_request`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let http_request:Vec<_> = buf_reader.lines().map(|result| result.unwrap()).take_while(|line| !line.is_empty())
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "10b110a2a9b6c6e9b202ae3b326a8b353b37ee1085a6676b5803bf67448b204f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b110a2a9b6c6e9b202ae3b326a8b353b37ee1085a6676b5803bf67448b204f", kill_on_drop: false }`
[INFO] [stdout] 10b110a2a9b6c6e9b202ae3b326a8b353b37ee1085a6676b5803bf67448b204f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bafae1daa34bf5c33347742bb2e7a5637ec6e948be1b96add010a7f9fa735f6
[INFO] running `Command { std: "docker" "start" "-a" "9bafae1daa34bf5c33347742bb2e7a5637ec6e948be1b96add010a7f9fa735f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `http_request`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let http_request:Vec<_> = buf_reader.lines().map(|result| result.unwrap()).take_while(|line| !line.is_empty())
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "9bafae1daa34bf5c33347742bb2e7a5637ec6e948be1b96add010a7f9fa735f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bafae1daa34bf5c33347742bb2e7a5637ec6e948be1b96add010a7f9fa735f6", kill_on_drop: false }`
[INFO] [stdout] 9bafae1daa34bf5c33347742bb2e7a5637ec6e948be1b96add010a7f9fa735f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 111b4873fed59788f4e9da253ad64733e40b6db5fa48c645c4ae0db201e27320
[INFO] running `Command { std: "docker" "start" "-a" "111b4873fed59788f4e9da253ad64733e40b6db5fa48c645c4ae0db201e27320", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `http_request`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let http_request:Vec<_> = buf_reader.lines().map(|result| result.unwrap()).take_while(|line| !line.is_empty())
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-rust` (bin "tcp-rust" test) generated 1 warning (run `cargo fix --bin "tcp-rust" -p tcp-rust --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcp_rust-5e066799d8153ce7)
[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" "111b4873fed59788f4e9da253ad64733e40b6db5fa48c645c4ae0db201e27320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111b4873fed59788f4e9da253ad64733e40b6db5fa48c645c4ae0db201e27320", kill_on_drop: false }`
[INFO] [stdout] 111b4873fed59788f4e9da253ad64733e40b6db5fa48c645c4ae0db201e27320