[INFO] updating cached repository https://github.com/annaholmes/webserver2
[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] 3f43bd0558adeeb8ca64f5ea37a202a8ac5a4ccf
[INFO] checking annaholmes/webserver2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannaholmes%2Fwebserver2" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/annaholmes/webserver2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/annaholmes/webserver2
[INFO] finished tweaking git repo https://github.com/annaholmes/webserver2
[INFO] tweaked toml for git repo https://github.com/annaholmes/webserver2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/annaholmes/webserver2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a304dbfc529d6bd55f8722896896894e9d87da717ae7cd7d1a5728ff6704de30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a304dbfc529d6bd55f8722896896894e9d87da717ae7cd7d1a5728ff6704de30"`
[INFO] [stderr]     Checking webserver2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `total_reqs`
[INFO] [stderr]   --> src/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let total_reqs = total_reqs.lock().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_reqs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `valid_reqs`
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let valid_reqs = valid_reqs.lock().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `valid_reqs`
[INFO] [stderr]   --> src/main.rs:43:70
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn handle_client(mut stream: TcpStream, total_reqs: Arc<Mutex<u64>>, valid_reqs: Arc<Mutex<u64>>) {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_reqs`
[INFO] [stderr]   --> src/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let total_reqs = total_reqs.lock().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_reqs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `valid_reqs`
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let valid_reqs = valid_reqs.lock().unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `valid_reqs`
[INFO] [stderr]   --> src/main.rs:43:70
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn handle_client(mut stream: TcpStream, total_reqs: Arc<Mutex<u64>>, valid_reqs: Arc<Mutex<u64>>) {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[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: variable `multFiles` should have a snake case name
[INFO] [stderr]   --> src/main.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let mut multFiles = words[1].split("/").collect::<Vec<&str>>();
[INFO] [stderr]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `mult_files`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]   --> src/main.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let thisStream = Arc::new(Mutex::new(stream));
[INFO] [stderr]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]   --> src/main.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 let thisStream = thisStream.clone();
[INFO] [stderr]    |                     ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:101:20
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut thisStream = thisStream.lock().unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `multFiles` should have a snake case name
[INFO] [stderr]   --> src/main.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let mut multFiles = words[1].split("/").collect::<Vec<&str>>();
[INFO] [stderr]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `mult_files`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]   --> src/main.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let thisStream = Arc::new(Mutex::new(stream));
[INFO] [stderr]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]   --> src/main.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 let thisStream = thisStream.clone();
[INFO] [stderr]    |                     ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:101:20
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut thisStream = thisStream.lock().unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `thisStream` should have a snake case name
[INFO] [stderr]    --> src/main.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "a304dbfc529d6bd55f8722896896894e9d87da717ae7cd7d1a5728ff6704de30"`
[INFO] running `"docker" "rm" "-f" "a304dbfc529d6bd55f8722896896894e9d87da717ae7cd7d1a5728ff6704de30"`
[INFO] [stdout] a304dbfc529d6bd55f8722896896894e9d87da717ae7cd7d1a5728ff6704de30