[INFO] cloning repository https://github.com/mns0/rust_http_server_from_scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mns0/rust_http_server_from_scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmns0%2Frust_http_server_from_scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmns0%2Frust_http_server_from_scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7b19dfe5171c73ace359328d765382c3ca76cac
[INFO] checking mns0/rust_http_server_from_scratch against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmns0%2Frust_http_server_from_scratch" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mns0/rust_http_server_from_scratch on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mns0/rust_http_server_from_scratch
[INFO] finished tweaking git repo https://github.com/mns0/rust_http_server_from_scratch
[INFO] tweaked toml for git repo https://github.com/mns0/rust_http_server_from_scratch written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mns0/rust_http_server_from_scratch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ed68ed577fe22d4a4c4e6c5d4cd0d5d45a36a75abf1751e84ef13519ed43766
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ed68ed577fe22d4a4c4e6c5d4cd0d5d45a36a75abf1751e84ef13519ed43766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ed68ed577fe22d4a4c4e6c5d4cd0d5d45a36a75abf1751e84ef13519ed43766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed68ed577fe22d4a4c4e6c5d4cd0d5d45a36a75abf1751e84ef13519ed43766", kill_on_drop: false }`
[INFO] [stdout] 4ed68ed577fe22d4a4c4e6c5d4cd0d5d45a36a75abf1751e84ef13519ed43766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 366b3f0755c3d61e640940cbf0bacf805311a802a98b7e8c3dcbaaad2c710361
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "366b3f0755c3d61e640940cbf0bacf805311a802a98b7e8c3dcbaaad2c710361", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "366b3f0755c3d61e640940cbf0bacf805311a802a98b7e8c3dcbaaad2c710361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366b3f0755c3d61e640940cbf0bacf805311a802a98b7e8c3dcbaaad2c710361", kill_on_drop: false }`
[INFO] [stdout] 366b3f0755c3d61e640940cbf0bacf805311a802a98b7e8c3dcbaaad2c710361