[INFO] cloning repository https://github.com/m1rageLA/multithreaded-web-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m1rageLA/multithreaded-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1rageLA%2Fmultithreaded-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1rageLA%2Fmultithreaded-web-server'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1rageLA%2Fmultithreaded-web-server: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/m1rageLA/multithreaded-web-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m1rageLA/multithreaded-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1rageLA%2Fmultithreaded-web-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1rageLA%2Fmultithreaded-web-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0614ae0e9fca23d4f815e6508958795ad97cf8e
[INFO] checking m1rageLA/multithreaded-web-server against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm1rageLA%2Fmultithreaded-web-server" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/m1rageLA/multithreaded-web-server
[INFO] finished tweaking git repo https://github.com/m1rageLA/multithreaded-web-server
[INFO] tweaked toml for git repo https://github.com/m1rageLA/multithreaded-web-server written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/m1rageLA/multithreaded-web-server on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/m1rageLA/multithreaded-web-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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd16691fdce81cf8b60b30ac642f5de049bfd5aef9d5d5b452d0620e36ee93ad
[INFO] running `Command { std: "docker" "start" "-a" "cd16691fdce81cf8b60b30ac642f5de049bfd5aef9d5d5b452d0620e36ee93ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd16691fdce81cf8b60b30ac642f5de049bfd5aef9d5d5b452d0620e36ee93ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd16691fdce81cf8b60b30ac642f5de049bfd5aef9d5d5b452d0620e36ee93ad", kill_on_drop: false }`
[INFO] [stdout] cd16691fdce81cf8b60b30ac642f5de049bfd5aef9d5d5b452d0620e36ee93ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4813038a28067f93a57baa9fe6b3a83c3402c3c4afef5a679cb2889f5616e9
[INFO] running `Command { std: "docker" "start" "-a" "6f4813038a28067f93a57baa9fe6b3a83c3402c3c4afef5a679cb2889f5616e9", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/__core__/core.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/__core__/core.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/__core__/core.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/__core__/core.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Request`
[INFO] [stdout]  --> src/__core__/response.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::__core__::types::{Request, Response};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Request`
[INFO] [stdout]  --> src/__core__/response.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::__core__::types::{Request, Response};
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response_stream`
[INFO] [stdout]   --> src/__core__/core.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   let mut response_stream =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response_stream`
[INFO] [stdout]   --> src/__core__/core.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   let mut response_stream =
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/__core__/core.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   let mut response_stream =
[INFO] [stdout]    |                           ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/__core__/core.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 | ...                   let mut response_stream =
[INFO] [stdout]    |                           ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     app.get("", |req,  res| {
[INFO] [stdout]   |                  ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stream`, `path`, and `method` are never read
[INFO] [stdout]   --> src/__core__/types.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Request<'a> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     pub stream: &'a mut TcpStream,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |     pub path: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |     pub method: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `status`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/__core__/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Response<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 21 |     pub stream: &'a mut TcpStream,
[INFO] [stdout] 22 |     pub status: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 23 |     pub headers: Vec<(String, String)>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 24 |     pub body: Vec<u8>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     app.get("", |req,  res| {
[INFO] [stdout]   |                  ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stream`, `path`, and `method` are never read
[INFO] [stdout]   --> src/__core__/types.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Request<'a> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     pub stream: &'a mut TcpStream,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |     pub path: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |     pub method: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `status`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/__core__/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Response<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 21 |     pub stream: &'a mut TcpStream,
[INFO] [stdout] 22 |     pub status: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 23 |     pub headers: Vec<(String, String)>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 24 |     pub body: Vec<u8>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/__core__/core.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   (route.handler)(req, &mut res);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                             let _ = (route.handler)(req, &mut res);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/__core__/core.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   (route.handler)(req, &mut res);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                             let _ = (route.handler)(req, &mut res);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "6f4813038a28067f93a57baa9fe6b3a83c3402c3c4afef5a679cb2889f5616e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4813038a28067f93a57baa9fe6b3a83c3402c3c4afef5a679cb2889f5616e9", kill_on_drop: false }`
[INFO] [stdout] 6f4813038a28067f93a57baa9fe6b3a83c3402c3c4afef5a679cb2889f5616e9