[INFO] cloning repository https://github.com/annaholmes/webserver2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/annaholmes/webserver2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannaholmes%2Fwebserver2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannaholmes%2Fwebserver2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f43bd0558adeeb8ca64f5ea37a202a8ac5a4ccf
[INFO] checking annaholmes/webserver2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannaholmes%2Fwebserver2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/annaholmes/webserver2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/annaholmes/webserver2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a7b5813015a8ecd993d3b5a93e90ca2acf1bea98e974916c8edbaf7b5c6d2d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a7b5813015a8ecd993d3b5a93e90ca2acf1bea98e974916c8edbaf7b5c6d2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a7b5813015a8ecd993d3b5a93e90ca2acf1bea98e974916c8edbaf7b5c6d2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7b5813015a8ecd993d3b5a93e90ca2acf1bea98e974916c8edbaf7b5c6d2d2", kill_on_drop: false }`
[INFO] [stdout] 0a7b5813015a8ecd993d3b5a93e90ca2acf1bea98e974916c8edbaf7b5c6d2d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 227cec6f41e2af309134c3df9b4ac760e45beb3a0d110e6d426263a85bdefaf6
[INFO] running `Command { std: "docker" "start" "-a" "227cec6f41e2af309134c3df9b4ac760e45beb3a0d110e6d426263a85bdefaf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking webserver2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `total_reqs`
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let total_reqs = total_reqs.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_reqs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_reqs`
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let valid_reqs = valid_reqs.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_reqs`
[INFO] [stdout]   --> src/main.rs:43:70
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn handle_client(mut stream: TcpStream, total_reqs: Arc<Mutex<u64>>, valid_reqs: Arc<Mutex<u64>>) {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[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 `multFiles` should have a snake case name
[INFO] [stdout]   --> src/main.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut multFiles = words[1].split("/").collect::<Vec<&str>>();
[INFO] [stdout]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `mult_files`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]   --> src/main.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let thisStream = Arc::new(Mutex::new(stream));
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]   --> src/main.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let thisStream = thisStream.clone();
[INFO] [stdout]    |                     ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_reqs`
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let total_reqs = total_reqs.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_reqs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_reqs`
[INFO] [stdout]   --> src/main.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let valid_reqs = valid_reqs.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid_reqs`
[INFO] [stdout]   --> src/main.rs:43:70
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn handle_client(mut stream: TcpStream, total_reqs: Arc<Mutex<u64>>, valid_reqs: Arc<Mutex<u64>>) {
[INFO] [stdout]    |                                                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valid_reqs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[INFO] [stdout]     |                    ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut thisStream = thisStream.lock().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:127:25
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[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 `multFiles` should have a snake case name
[INFO] [stdout]   --> src/main.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut multFiles = words[1].split("/").collect::<Vec<&str>>();
[INFO] [stdout]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `mult_files`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]   --> src/main.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let thisStream = Arc::new(Mutex::new(stream));
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]   --> src/main.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let thisStream = thisStream.clone();
[INFO] [stdout]    |                     ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn handle_file(mut thisStream: Arc<Mutex<TcpStream>>, file: &str, address : &std::net::SocketAddr) {
[INFO] [stdout]     |                    ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut thisStream = thisStream.lock().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:127:25
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `thisStream` should have a snake case name
[INFO] [stdout]    --> src/main.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut thisStream = thisStream.lock().unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `this_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "227cec6f41e2af309134c3df9b4ac760e45beb3a0d110e6d426263a85bdefaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227cec6f41e2af309134c3df9b4ac760e45beb3a0d110e6d426263a85bdefaf6", kill_on_drop: false }`
[INFO] [stdout] 227cec6f41e2af309134c3df9b4ac760e45beb3a0d110e6d426263a85bdefaf6