[INFO] cloning repository https://github.com/emreyalvac/low-level-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/emreyalvac/low-level-tcp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Flow-level-tcp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Flow-level-tcp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a305c8009592e5f49e27c738e1e89acf45b2e93
[INFO] checking emreyalvac/low-level-tcp-server against try#09ea730c380b8b9acb96ff87b724c45df920f793 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Flow-level-tcp-server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emreyalvac/low-level-tcp-server on toolchain 09ea730c380b8b9acb96ff87b724c45df920f793
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emreyalvac/low-level-tcp-server
[INFO] finished tweaking git repo https://github.com/emreyalvac/low-level-tcp-server
[INFO] tweaked toml for git repo https://github.com/emreyalvac/low-level-tcp-server written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/emreyalvac/low-level-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" "+09ea730c380b8b9acb96ff87b724c45df920f793" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3145868a32c9d2b933fec116c3c2b60241a5fbb2907d438308914b94a546ba9d
[INFO] running `Command { std: "docker" "start" "-a" "3145868a32c9d2b933fec116c3c2b60241a5fbb2907d438308914b94a546ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3145868a32c9d2b933fec116c3c2b60241a5fbb2907d438308914b94a546ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3145868a32c9d2b933fec116c3c2b60241a5fbb2907d438308914b94a546ba9d", kill_on_drop: false }`
[INFO] [stdout] 3145868a32c9d2b933fec116c3c2b60241a5fbb2907d438308914b94a546ba9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb9b51b2afef62e56a699680eb40d5deab2a8ff864f23163451d4a62cc78d8d2
[INFO] running `Command { std: "docker" "start" "-a" "bb9b51b2afef62e56a699680eb40d5deab2a8ff864f23163451d4a62cc78d8d2", kill_on_drop: false }`
[INFO] [stderr]     Checking http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `http_version` and `method` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Request<'a> {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 10 |     uri: &'a str,
[INFO] [stdout] 11 |     http_version: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     method: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `http_version` and `method` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Request<'a> {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 10 |     uri: &'a str,
[INFO] [stdout] 11 |     http_version: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     method: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "bb9b51b2afef62e56a699680eb40d5deab2a8ff864f23163451d4a62cc78d8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9b51b2afef62e56a699680eb40d5deab2a8ff864f23163451d4a62cc78d8d2", kill_on_drop: false }`
[INFO] [stdout] bb9b51b2afef62e56a699680eb40d5deab2a8ff864f23163451d4a62cc78d8d2