[INFO] cloning repository https://github.com/equal-l2/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/equal-l2/http-server-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fhttp-server-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fhttp-server-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e74403d0cfc1e31d653faf95d541ed8c5ef70b8
[INFO] checking equal-l2/http-server-from-scratch against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fhttp-server-from-scratch" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/equal-l2/http-server-from-scratch on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/equal-l2/http-server-from-scratch
[INFO] finished tweaking git repo https://github.com/equal-l2/http-server-from-scratch
[INFO] tweaked toml for git repo https://github.com/equal-l2/http-server-from-scratch written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/equal-l2/http-server-from-scratch 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f20b139f629ab54789f62a53b989e5074edc24460c10a67e8dae2837dd330d8
[INFO] running `Command { std: "docker" "start" "-a" "6f20b139f629ab54789f62a53b989e5074edc24460c10a67e8dae2837dd330d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f20b139f629ab54789f62a53b989e5074edc24460c10a67e8dae2837dd330d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f20b139f629ab54789f62a53b989e5074edc24460c10a67e8dae2837dd330d8", kill_on_drop: false }`
[INFO] [stdout] 6f20b139f629ab54789f62a53b989e5074edc24460c10a67e8dae2837dd330d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580bdbed9c934cd3920c7995e7345bdf00bb048283c7080771a6686d8a8c36d1
[INFO] running `Command { std: "docker" "start" "-a" "580bdbed9c934cd3920c7995e7345bdf00bb048283c7080771a6686d8a8c36d1", kill_on_drop: false }`
[INFO] [stderr]     Checking http-server-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `dump_bytestr`
[INFO] [stdout]  --> src/utils.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! dump_bytestr {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `dump_bytestr`
[INFO] [stdout]  --> src/utils.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! dump_bytestr {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/main.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   let body = {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/main.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   let body = {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/types.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RequestLine<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub version: &'a str,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestLine` 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: struct `Response` is never constructed
[INFO] [stdout]   --> src/types.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Response {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/types.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RequestLine<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub version: &'a str,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestLine` 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: struct `Response` is never constructed
[INFO] [stdout]   --> src/types.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Response {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "580bdbed9c934cd3920c7995e7345bdf00bb048283c7080771a6686d8a8c36d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580bdbed9c934cd3920c7995e7345bdf00bb048283c7080771a6686d8a8c36d1", kill_on_drop: false }`
[INFO] [stdout] 580bdbed9c934cd3920c7995e7345bdf00bb048283c7080771a6686d8a8c36d1