[INFO] updating cached repository https://github.com/paulsevere/server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99a2823bde0e258e7b2342bad94976eb7747016b
[INFO] checking paulsevere/server against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulsevere%2Fserver" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paulsevere/server on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/paulsevere/server
[INFO] finished tweaking git repo https://github.com/paulsevere/server
[INFO] tweaked toml for git repo https://github.com/paulsevere/server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/paulsevere/server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d1bdb70595833e36967f2211a17d677403688bc301bc16431e4a77b1454d29c
[INFO] running `"docker" "start" "-a" "5d1bdb70595833e36967f2211a17d677403688bc301bc16431e4a77b1454d29c"`
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/main.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/main.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio::tcp::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     let (mut socket, addr) = server.accept().unwrap();
[INFO] [stderr]    |                                      ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `writeResult` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     let writeResult = socket.write(httpResponse().as_bytes());
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: convert the identifier to snake case: `write_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 | ...                   socket.shutdown(Both);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `httpResponse` should have a snake case name
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn httpResponse() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `http_response`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     let (mut socket, addr) = server.accept().unwrap();
[INFO] [stderr]    |                                      ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `writeResult` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     let writeResult = socket.write(httpResponse().as_bytes());
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: convert the identifier to snake case: `write_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 | ...                   socket.shutdown(Both);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `httpResponse` should have a snake case name
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn httpResponse() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `http_response`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "5d1bdb70595833e36967f2211a17d677403688bc301bc16431e4a77b1454d29c"`
[INFO] running `"docker" "rm" "-f" "5d1bdb70595833e36967f2211a17d677403688bc301bc16431e4a77b1454d29c"`
[INFO] [stdout] 5d1bdb70595833e36967f2211a17d677403688bc301bc16431e4a77b1454d29c