[INFO] fetching crate czh-http-server 0.1.3...
[INFO] testing czh-http-server-0.1.3 against 1.90.0 for beta-1.91-2
[INFO] extracting crate czh-http-server 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate czh-http-server 0.1.3
[INFO] finished tweaking crates.io crate czh-http-server 0.1.3
[INFO] tweaked toml for crates.io crate czh-http-server 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate czh-http-server 0.1.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate czh-http-server 0.1.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded czhmt v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 540cb9fe80a2105588050e42c65ed5fd4788dcd2344c2850e28c119836e784f0
[INFO] running `Command { std: "docker" "start" "-a" "540cb9fe80a2105588050e42c65ed5fd4788dcd2344c2850e28c119836e784f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "540cb9fe80a2105588050e42c65ed5fd4788dcd2344c2850e28c119836e784f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540cb9fe80a2105588050e42c65ed5fd4788dcd2344c2850e28c119836e784f0", kill_on_drop: false }`
[INFO] [stdout] 540cb9fe80a2105588050e42c65ed5fd4788dcd2344c2850e28c119836e784f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbbc0c691db6f17ce598d7cf517d5db56547f0ba6e30319bf6a81b2531860077
[INFO] running `Command { std: "docker" "start" "-a" "bbbc0c691db6f17ce598d7cf517d5db56547f0ba6e30319bf6a81b2531860077", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling czhmt v0.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling czh-http-server v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]   --> src/lib.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     cell::RefCell, fs::File, mem, net::{TcpListener, TcpStream}, path::{Path, PathBuf}, rc::Rc, sync::Arc
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::map::Keys`
[INFO] [stdout]  --> src/controller.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::map::Keys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::read`
[INFO] [stdout]  --> src/request.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell, collections::HashMap, fs::read, io::{BufRead, BufReader, Error, Read, Result}, net::TcpStream, ops::DerefMut, rc::Rc
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref` and `fmt::format`
[INFO] [stdout]  --> src/response.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/response.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut headers = HashMap::new();
[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: `url`
[INFO] [stdout]   --> src/route.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `route`
[INFO] [stdout]   --> src/route.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_route`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::ser`
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | use serde_json::ser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "bbbc0c691db6f17ce598d7cf517d5db56547f0ba6e30319bf6a81b2531860077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbc0c691db6f17ce598d7cf517d5db56547f0ba6e30319bf6a81b2531860077", kill_on_drop: false }`
[INFO] [stdout] bbbc0c691db6f17ce598d7cf517d5db56547f0ba6e30319bf6a81b2531860077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be2511e94c31ea7adabf7c8623ad00a9008a2d50d11d2178bd1db4b91a8c1af7
[INFO] running `Command { std: "docker" "start" "-a" "be2511e94c31ea7adabf7c8623ad00a9008a2d50d11d2178bd1db4b91a8c1af7", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]   --> src/lib.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     cell::RefCell, fs::File, mem, net::{TcpListener, TcpStream}, path::{Path, PathBuf}, rc::Rc, sync::Arc
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::map::Keys`
[INFO] [stdout]  --> src/controller.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::map::Keys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::read`
[INFO] [stdout]  --> src/request.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell, collections::HashMap, fs::read, io::{BufRead, BufReader, Error, Read, Result}, net::TcpStream, ops::DerefMut, rc::Rc
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref` and `fmt::format`
[INFO] [stdout]  --> src/response.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/response.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut headers = HashMap::new();
[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: `url`
[INFO] [stdout]   --> src/route.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `route`
[INFO] [stdout]   --> src/route.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_route`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling czh-http-server v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::ser`
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | use serde_json::ser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]   --> src/lib.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     cell::RefCell, fs::File, mem, net::{TcpListener, TcpStream}, path::{Path, PathBuf}, rc::Rc, sync::Arc
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::map::Keys`
[INFO] [stdout]  --> src/controller.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::map::Keys;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::read`
[INFO] [stdout]  --> src/request.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell, collections::HashMap, fs::read, io::{BufRead, BufReader, Error, Read, Result}, net::TcpStream, ops::DerefMut, rc::Rc
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deref` and `fmt::format`
[INFO] [stdout]  --> src/response.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/response.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut headers = HashMap::new();
[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: `url`
[INFO] [stdout]   --> src/route.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `route`
[INFO] [stdout]   --> src/route.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_route`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "be2511e94c31ea7adabf7c8623ad00a9008a2d50d11d2178bd1db4b91a8c1af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2511e94c31ea7adabf7c8623ad00a9008a2d50d11d2178bd1db4b91a8c1af7", kill_on_drop: false }`
[INFO] [stdout] be2511e94c31ea7adabf7c8623ad00a9008a2d50d11d2178bd1db4b91a8c1af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a273b723181056d0f9f82bf66997c044602699c01f7876eefee84633d423b18d
[INFO] running `Command { std: "docker" "start" "-a" "a273b723181056d0f9f82bf66997c044602699c01f7876eefee84633d423b18d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `mem`
[INFO] [stderr]   --> src/lib.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     cell::RefCell, fs::File, mem, net::{TcpListener, TcpStream}, path::{Path, PathBuf}, rc::Rc, sync::Arc
[INFO] [stderr]    |                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::map::Keys`
[INFO] [stderr]  --> src/controller.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde_json::map::Keys;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs::read`
[INFO] [stderr]  --> src/request.rs:2:42
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cell::RefCell, collections::HashMap, fs::read, io::{BufRead, BufReader, Error, Read, Result}, net::TcpStream, ops::DerefMut, rc::Rc
[INFO] [stderr]   |                                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deref` and `fmt::format`
[INFO] [stderr]  --> src/response.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fmt::format,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 7 |     ops::{Deref, DerefMut},
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/response.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut headers = HashMap::new();
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]   --> src/route.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `route`
[INFO] [stderr]   --> src/route.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn router(&mut self, url: &str, route:Route) {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_route`
[INFO] [stderr] 
[INFO] [stderr] warning: `czh-http-server` (lib) generated 7 warnings (run `cargo fix --lib -p czh-http-server` to apply 5 suggestions)
[INFO] [stderr] warning: `czh-http-server` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused import: `serde_json::ser`
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | use serde_json::ser;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `czh-http-server` (bin "czh-http-server" test) generated 1 warning (run `cargo fix --bin "czh-http-server" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/czh_http_server-2f44fef3ba07e3cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test request::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/czh_http_server-9ed0da929ba277ae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests czh_http_server
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - HttpServer (line 91) ... FAILED
[INFO] [stdout] test src/lib.rs - HttpServer::listen (line 117) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - HttpServer (line 91) stdout ----
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:92:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | let mut server  = HttpServer::create_server("localhost", 3000);
[INFO] [stdout]   | ^^^ `let` cannot be used for global variables
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `static` and a `Mutex` instead of `let mut`
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - HttpServer::listen (line 117) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HttpServer`
[INFO] [stdout]  --> src/lib.rs:118:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut server  = HttpServer::create_server("localhost", 3000);
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared type `HttpServer`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use czh_http_server::HttpServer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HttpServer`
[INFO] [stdout]  --> src/lib.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut server  = HttpServer::create_server("localhost", 3000);
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared type `HttpServer`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use czh_http_server::HttpServer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Student` in this scope
[INFO] [stdout]   --> src/lib.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |        match req.json::<Student>() {
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout]  2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0<Student>() {
[INFO] [stdout]    |                                                                     +++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Route`
[INFO] [stdout]   --> src/lib.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 41 |    let mut route = Route::new();
[INFO] [stdout]    |                    ^^^^^ use of undeclared type `Route`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use czh_http_server::route::Route;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Student` in this scope
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |        res.json(Student{
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0422, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout]     src/lib.rs - HttpServer (line 91)
[INFO] [stdout]     src/lib.rs - HttpServer::listen (line 117)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a273b723181056d0f9f82bf66997c044602699c01f7876eefee84633d423b18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a273b723181056d0f9f82bf66997c044602699c01f7876eefee84633d423b18d", kill_on_drop: false }`
[INFO] [stdout] a273b723181056d0f9f82bf66997c044602699c01f7876eefee84633d423b18d
