[INFO] cloning repository https://github.com/talentprince/HttpServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/talentprince/HttpServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalentprince%2FHttpServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalentprince%2FHttpServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2247dc23538b2d4448d122886ede0ea9ace943
[INFO] checking talentprince/HttpServer against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalentprince%2FHttpServer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/talentprince/HttpServer
[INFO] finished tweaking git repo https://github.com/talentprince/HttpServer
[INFO] tweaked toml for git repo https://github.com/talentprince/HttpServer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/talentprince/HttpServer on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/talentprince/HttpServer 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" "+df1b9bf194c9183fb7c0604484171064069ce232" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dd52fce7300fd26f94ad6ef6ba0a05b2d358da30df4605118fba9d7e4d78219
[INFO] running `Command { std: "docker" "start" "-a" "8dd52fce7300fd26f94ad6ef6ba0a05b2d358da30df4605118fba9d7e4d78219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd52fce7300fd26f94ad6ef6ba0a05b2d358da30df4605118fba9d7e4d78219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd52fce7300fd26f94ad6ef6ba0a05b2d358da30df4605118fba9d7e4d78219", kill_on_drop: false }`
[INFO] [stdout] 8dd52fce7300fd26f94ad6ef6ba0a05b2d358da30df4605118fba9d7e4d78219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc296e8bd026d913a16d216a5e226a3fe6e950ec35baaa8ff2e4578a00b4476
[INFO] running `Command { std: "docker" "start" "-a" "fdc296e8bd026d913a16d216a5e226a3fe6e950ec35baaa8ff2e4578a00b4476", 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:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{QueryString, Value as QueryStringValue};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{QueryString, Value as QueryStringValue};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/http/request.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (protocal, result) = read_next_word(result).ok_or(ParseError::InvalidReqest)?;
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/http/query_string.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 16 |         return self.get(key);
[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: unreachable pattern
[INFO] [stdout]   --> src/http_handler.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 _ => Response::new(StatusCode::NotFound, self.read_file("404.html"))
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/http_handler.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 "/" => Response::new(StatusCode::OK, self.read_file("index.html")),
[INFO] [stdout]    |                 --- matches some of the same values
[INFO] [stdout] 34 |                 "/welcome" => Response::new(StatusCode::OK, self.read_file("welcome.html")),
[INFO] [stdout]    |                 ---------- matches some of the same values
[INFO] [stdout] 35 |                 path => match self.read_file(path) {
[INFO] [stdout]    |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 39 |                 _ => Response::new(StatusCode::NotFound, self.read_file("404.html"))
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/http/request.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (protocal, result) = read_next_word(result).ok_or(ParseError::InvalidReqest)?;
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/http/query_string.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 16 |         return self.get(key);
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn query(&self) -> Option<&QueryString> {
[INFO] [stdout]    |                  ^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]    |                  |                ||
[INFO] [stdout]    |                  |                |the same lifetime is hidden here
[INFO] [stdout]    |                  |                the same lifetime is elided here
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn query(&self) -> Option<&QueryString<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |                ^^^^^                       ^^^^^^
[INFO] [stdout]    |                |                           ||
[INFO] [stdout]    |                |                           |the same lifetime is hidden here
[INFO] [stdout]    |                |                           the same lifetime is elided here
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/http_handler.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 _ => Response::new(StatusCode::NotFound, self.read_file("404.html"))
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/http_handler.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 "/" => Response::new(StatusCode::OK, self.read_file("index.html")),
[INFO] [stdout]    |                 --- matches some of the same values
[INFO] [stdout] 34 |                 "/welcome" => Response::new(StatusCode::OK, self.read_file("welcome.html")),
[INFO] [stdout]    |                 ---------- matches some of the same values
[INFO] [stdout] 35 |                 path => match self.read_file(path) {
[INFO] [stdout]    |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 39 |                 _ => Response::new(StatusCode::NotFound, self.read_file("404.html"))
[INFO] [stdout]    |                 ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn query(&self) -> Option<&QueryString> {
[INFO] [stdout]    |                  ^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]    |                  |                ||
[INFO] [stdout]    |                  |                |the same lifetime is hidden here
[INFO] [stdout]    |                  |                the same lifetime is elided here
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn query(&self) -> Option<&QueryString<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |                ^^^^^                       ^^^^^^
[INFO] [stdout]    |                |                           ||
[INFO] [stdout]    |                |                           |the same lifetime is hidden here
[INFO] [stdout]    |                |                           the same lifetime is elided here
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "fdc296e8bd026d913a16d216a5e226a3fe6e950ec35baaa8ff2e4578a00b4476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc296e8bd026d913a16d216a5e226a3fe6e950ec35baaa8ff2e4578a00b4476", kill_on_drop: false }`
[INFO] [stdout] fdc296e8bd026d913a16d216a5e226a3fe6e950ec35baaa8ff2e4578a00b4476
