[INFO] cloning repository https://github.com/NikoJT/rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikoJT/rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikoJT%2Frust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikoJT%2Frust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3df2cdf3c455ab178713775a19175c34d23e090
[INFO] checking NikoJT/rust-http-server against try#411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikoJT%2Frust-http-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NikoJT/rust-http-server on toolchain 411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NikoJT/rust-http-server
[INFO] finished tweaking git repo https://github.com/NikoJT/rust-http-server
[INFO] tweaked toml for git repo https://github.com/NikoJT/rust-http-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NikoJT/rust-http-server 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" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8a7b022b21eb13903c95d7cc78f0234707bfa668e69a77d70d22bfdf36f868
[INFO] running `Command { std: "docker" "start" "-a" "1c8a7b022b21eb13903c95d7cc78f0234707bfa668e69a77d70d22bfdf36f868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8a7b022b21eb13903c95d7cc78f0234707bfa668e69a77d70d22bfdf36f868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8a7b022b21eb13903c95d7cc78f0234707bfa668e69a77d70d22bfdf36f868", kill_on_drop: false }`
[INFO] [stdout] 1c8a7b022b21eb13903c95d7cc78f0234707bfa668e69a77d70d22bfdf36f868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73761af65efebd0da98b560f17fbf9a2786571b8f72bf2c5d2f4acca1b28037f
[INFO] running `Command { std: "docker" "start" "-a" "73761af65efebd0da98b560f17fbf9a2786571b8f72bf2c5d2f4acca1b28037f", kill_on_drop: false }`
[INFO] [stderr]     Checking http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use query_string::{QueryString, Value as QueryStringValue};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use query_string::{QueryString, Value as QueryStringValue};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/server.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   if let Err(e) = response.send(&mut stream) {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/http/request.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn path(&self) -> &str {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 23 |         &self.path()
[INFO] [stdout]    |          ----------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/http/request.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn method(&self) -> &Method {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 27 |         &self.method()
[INFO] [stdout]    |          ------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `query_string`, and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Request<'buffer> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     path: &'buffer str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     query_string: Option<QueryString<'buffer>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 18 |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'buffer> Request<'buffer> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QueryString<'buffer> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     data: HashMap<&'buffer str, Value<'buffer>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'buffer> QueryString<'buffer> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] 20 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InternalServerError` is never constructed
[INFO] [stdout]   --> src/http/status_code.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum StatusCode {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     InternalServerError = 500,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatusCode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/server.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   if let Err(e) = response.send(&mut stream) {
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/http/request.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn path(&self) -> &str {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 23 |         &self.path()
[INFO] [stdout]    |          ----------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/http/request.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn method(&self) -> &Method {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 27 |         &self.method()
[INFO] [stdout]    |          ------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `query_string`, and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Request<'buffer> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     path: &'buffer str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     query_string: Option<QueryString<'buffer>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 18 |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'buffer> Request<'buffer> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QueryString<'buffer> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     data: HashMap<&'buffer str, Value<'buffer>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'buffer> QueryString<'buffer> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] 20 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InternalServerError` is never constructed
[INFO] [stdout]   --> src/http/status_code.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum StatusCode {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     InternalServerError = 500,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatusCode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "73761af65efebd0da98b560f17fbf9a2786571b8f72bf2c5d2f4acca1b28037f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73761af65efebd0da98b560f17fbf9a2786571b8f72bf2c5d2f4acca1b28037f", kill_on_drop: false }`
[INFO] [stdout] 73761af65efebd0da98b560f17fbf9a2786571b8f72bf2c5d2f4acca1b28037f