[INFO] fetching crate rust-govhost 0.1.0...
[INFO] checking rust-govhost-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rust-govhost 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rust-govhost 0.1.0
[INFO] finished tweaking crates.io crate rust-govhost 0.1.0
[INFO] tweaked toml for crates.io crate rust-govhost 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-govhost 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e36d9a9c54d168d65d2044a0f7237b883937909326da058a4cf64790181de8ee
[INFO] running `Command { std: "docker" "start" "-a" "e36d9a9c54d168d65d2044a0f7237b883937909326da058a4cf64790181de8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e36d9a9c54d168d65d2044a0f7237b883937909326da058a4cf64790181de8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36d9a9c54d168d65d2044a0f7237b883937909326da058a4cf64790181de8ee", kill_on_drop: false }`
[INFO] [stdout] e36d9a9c54d168d65d2044a0f7237b883937909326da058a4cf64790181de8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8500596774f948f8b2376559966bc02b57c86497b27b8cb3fc9f5acc698a955f
[INFO] running `Command { std: "docker" "start" "-a" "8500596774f948f8b2376559966bc02b57c86497b27b8cb3fc9f5acc698a955f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-govhost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SharedConn` is never constructed
[INFO] [stdout]   --> src/lib.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) struct SharedConn {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_sni` are never used
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl SharedConn {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(mut stream: TcpStream) -> Result<SharedConn, std::io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_sni(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_sni` is never used
[INFO] [stdout]   --> src/lib.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn parse_sni(buf: &[u8], n: usize) -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8500596774f948f8b2376559966bc02b57c86497b27b8cb3fc9f5acc698a955f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8500596774f948f8b2376559966bc02b57c86497b27b8cb3fc9f5acc698a955f", kill_on_drop: false }`
[INFO] [stdout] 8500596774f948f8b2376559966bc02b57c86497b27b8cb3fc9f5acc698a955f