[INFO] updating cached repository https://github.com/5893/simple-http-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] 1ef3e0ee300f8ce3489afebc65288fa8a871123a
[INFO] checking 5893/simple-http-server against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5893%2Fsimple-http-server" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5893/simple-http-server on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/5893/simple-http-server
[INFO] finished tweaking git repo https://github.com/5893/simple-http-server
[INFO] tweaked toml for git repo https://github.com/5893/simple-http-server written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/5893/simple-http-server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 34aae463fd0f8d595dbe2eb90ed1c2ba010b1c2dcba7364d766f8dca2bf05cdf
[INFO] running `"docker" "start" "-a" "34aae463fd0f8d595dbe2eb90ed1c2ba010b1c2dcba7364d766f8dca2bf05cdf"`
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]     Checking simple-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/client/request.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     while let read_in = reader.get_mut().fill_buf().expect("error: ") {
[INFO] [stderr] 14 | |         stream.write(read_in).expect("error: ");
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> src/server/server.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let arr = method_line.split("/");
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/client/request.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `method`
[INFO] [stderr]  --> src/server/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     method: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `version`
[INFO] [stderr]  --> src/server/server.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     version: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `status_code`
[INFO] [stderr]   --> src/server/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     status_code: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `host`
[INFO] [stderr]   --> src/server/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     host: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `headers`
[INFO] [stderr]   --> src/server/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     headers: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/server/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(&mut self, request_str: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/client/request.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     while let read_in = reader.get_mut().fill_buf().expect("error: ") {
[INFO] [stderr] 14 | |         stream.write(read_in).expect("error: ");
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]   --> src/server/server.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 let arr = method_line.split("/");
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/client/request.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `method`
[INFO] [stderr]  --> src/server/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     method: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `version`
[INFO] [stderr]  --> src/server/server.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     version: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `status_code`
[INFO] [stderr]   --> src/server/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     status_code: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `host`
[INFO] [stderr]   --> src/server/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     host: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `headers`
[INFO] [stderr]   --> src/server/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     headers: HashMap<String, String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/server/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new(&mut self, request_str: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.99s
[INFO] running `"docker" "inspect" "34aae463fd0f8d595dbe2eb90ed1c2ba010b1c2dcba7364d766f8dca2bf05cdf"`
[INFO] running `"docker" "rm" "-f" "34aae463fd0f8d595dbe2eb90ed1c2ba010b1c2dcba7364d766f8dca2bf05cdf"`
[INFO] [stdout] 34aae463fd0f8d595dbe2eb90ed1c2ba010b1c2dcba7364d766f8dca2bf05cdf