[INFO] cloning repository https://github.com/pbhandari/teapot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pbhandari/teapot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbhandari%2Fteapot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbhandari%2Fteapot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8baad85866d08a74b1fc69fcbcbc708af94f7956
[INFO] checking pbhandari/teapot against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbhandari%2Fteapot" "/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/pbhandari/teapot on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pbhandari/teapot
[INFO] finished tweaking git repo https://github.com/pbhandari/teapot
[INFO] tweaked toml for git repo https://github.com/pbhandari/teapot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pbhandari/teapot 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ebf749ef979db792a5dfe1de7752c3da65ea8ae2ecda3ce7a66601c0d6b1a00
[INFO] running `Command { std: "docker" "start" "-a" "3ebf749ef979db792a5dfe1de7752c3da65ea8ae2ecda3ce7a66601c0d6b1a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ebf749ef979db792a5dfe1de7752c3da65ea8ae2ecda3ce7a66601c0d6b1a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebf749ef979db792a5dfe1de7752c3da65ea8ae2ecda3ce7a66601c0d6b1a00", kill_on_drop: false }`
[INFO] [stdout] 3ebf749ef979db792a5dfe1de7752c3da65ea8ae2ecda3ce7a66601c0d6b1a00
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf66a5cbb21efe37139d29bbd9bf1ebe2dae05eb3e10632594ee326c3f959d6c
[INFO] running `Command { std: "docker" "start" "-a" "cf66a5cbb21efe37139d29bbd9bf1ebe2dae05eb3e10632594ee326c3f959d6c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking teapot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/server.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{TcpListener, ToSocketAddrs, Shutdown};
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/server.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{TcpListener, ToSocketAddrs, Shutdown};
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> src/connection.rs:50:46
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn write_headers(&mut self, status: u32, headers: HashMap<String, String>) {
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/connection.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn write_file(&mut self, file_name : String) {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> src/connection.rs:50:46
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn write_headers(&mut self, status: u32, headers: HashMap<String, String>) {
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/connection.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn write_file(&mut self, file_name : String) {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `major` and `minor` are never read
[INFO] [stdout]   --> src/request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct HttpVersion {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 10 |     major : u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     minor : u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpVersion` 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 `rtype` and `version` are never read
[INFO] [stdout]   --> src/request.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 15 |     file_name : String,
[INFO] [stdout] 16 |     rtype     : RequestType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     version   : HttpVersion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `major` and `minor` are never read
[INFO] [stdout]   --> src/request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct HttpVersion {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 10 |     major : u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     minor : u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpVersion` 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 `rtype` and `version` are never read
[INFO] [stdout]   --> src/request.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 15 |     file_name : String,
[INFO] [stdout] 16 |     rtype     : RequestType,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     version   : HttpVersion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/server.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         drop(&self.listener)
[INFO] [stdout]    |         ^^^^^--------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&TcpListener`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/server.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         drop(&self.listener)
[INFO] [stdout]    |         ^^^^^--------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&TcpListener`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "cf66a5cbb21efe37139d29bbd9bf1ebe2dae05eb3e10632594ee326c3f959d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf66a5cbb21efe37139d29bbd9bf1ebe2dae05eb3e10632594ee326c3f959d6c", kill_on_drop: false }`
[INFO] [stdout] cf66a5cbb21efe37139d29bbd9bf1ebe2dae05eb3e10632594ee326c3f959d6c