[INFO] fetching crate humbird 0.1.4...
[INFO] testing humbird-0.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate humbird 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate humbird 0.1.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate humbird 0.1.4
[INFO] finished tweaking crates.io crate humbird 0.1.4
[INFO] tweaked toml for crates.io crate humbird 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "363edcef7d42b96b3dfe6041052382f3533af7466fefd98cf626750c5e5e2aef", kill_on_drop: false }`
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[INFO] [stdout] 3aeab54b91272c16ddaf0b3f5dcf7d24896a5c1ce6198df0e69b1040a4a29b6f
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[INFO] [stderr]    Compiling libc v0.2.151
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[INFO] [stderr]    Compiling serde v1.0.194
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[INFO] [stderr]    Compiling humbird v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/core/server.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// global constants related to services
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `event::Event`
[INFO] [stdout]  --> src/core/server.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{event::Event, Events, Interest, Poll, Token};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/core/event.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// global event pool
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/protocol/http.rs:494:21
[INFO] [stdout]     |
[INFO] [stdout] 494 |                       /// response body
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 495 | /                     match response.head.get("Content-Length") {
[INFO] [stdout] 496 | |                         Some(length_str) => {
[INFO] [stdout] 497 | |                             match length_str.parse::<u64>() {
[INFO] [stdout] 498 | |                                 Ok(length) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 518 | |                         None => break,
[INFO] [stdout] 519 | |                     }
[INFO] [stdout]     | |_____________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/core/proxy.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             _ => Err("".to_string()),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/core/server.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{self, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http`
[INFO] [stdout]    --> src/core/server.rs:172:40
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   Ok(http) => {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_http`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/core/server.rs:180:46
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   Some(stream) => {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/protocol/http.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 Err(e) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request` and `response` are never read
[INFO] [stdout]   --> src/core/proxy.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Proxy {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 22 |     /// request abstract structure
[INFO] [stdout] 23 |     request: Request,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     /// Response abstract structure
[INFO] [stdout] 25 |     response: Response,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Proxy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol` and `params` are never read
[INFO] [stdout]    --> src/protocol/http.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Request {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     protocol: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 158 |     params: HashMap<String, String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol`, `req_method`, and `req_path` are never read
[INFO] [stdout]    --> src/protocol/http.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub struct Response {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 388 |     protocol: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     req_method: Method,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 396 |     req_path: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.00s
[INFO] running `Command { std: "docker" "inspect" "3aeab54b91272c16ddaf0b3f5dcf7d24896a5c1ce6198df0e69b1040a4a29b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aeab54b91272c16ddaf0b3f5dcf7d24896a5c1ce6198df0e69b1040a4a29b6f", kill_on_drop: false }`
[INFO] [stdout] 3aeab54b91272c16ddaf0b3f5dcf7d24896a5c1ce6198df0e69b1040a4a29b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dae23de5b29b71f1bd30bb122c447463eeec0d2e4b2c75f6d4df10cdedf51faa
[INFO] running `Command { std: "docker" "start" "-a" "dae23de5b29b71f1bd30bb122c447463eeec0d2e4b2c75f6d4df10cdedf51faa", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/core/server.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// global constants related to services
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `event::Event`
[INFO] [stdout]  --> src/core/server.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{event::Event, Events, Interest, Poll, Token};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/core/event.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// global event pool
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/protocol/http.rs:494:21
[INFO] [stdout]     |
[INFO] [stdout] 494 |                       /// response body
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 495 | /                     match response.head.get("Content-Length") {
[INFO] [stdout] 496 | |                         Some(length_str) => {
[INFO] [stdout] 497 | |                             match length_str.parse::<u64>() {
[INFO] [stdout] 498 | |                                 Ok(length) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 518 | |                         None => break,
[INFO] [stdout] 519 | |                     }
[INFO] [stdout]     | |_____________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/core/proxy.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             _ => Err("".to_string()),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/core/server.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{self, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http`
[INFO] [stdout]    --> src/core/server.rs:172:40
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   Ok(http) => {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_http`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/core/server.rs:180:46
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   Some(stream) => {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/protocol/http.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 Err(e) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humbird v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `request` and `response` are never read
[INFO] [stdout]   --> src/core/proxy.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Proxy {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 22 |     /// request abstract structure
[INFO] [stdout] 23 |     request: Request,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     /// Response abstract structure
[INFO] [stdout] 25 |     response: Response,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Proxy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol` and `params` are never read
[INFO] [stdout]    --> src/protocol/http.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Request {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     protocol: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 158 |     params: HashMap<String, String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol`, `req_method`, and `req_path` are never read
[INFO] [stdout]    --> src/protocol/http.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub struct Response {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 388 |     protocol: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     req_method: Method,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 396 |     req_path: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/core/server.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// global constants related to services
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `event::Event`
[INFO] [stdout]  --> src/core/server.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{event::Event, Events, Interest, Poll, Token};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/core/event.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// global event pool
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/protocol/http.rs:494:21
[INFO] [stdout]     |
[INFO] [stdout] 494 |                       /// response body
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 495 | /                     match response.head.get("Content-Length") {
[INFO] [stdout] 496 | |                         Some(length_str) => {
[INFO] [stdout] 497 | |                             match length_str.parse::<u64>() {
[INFO] [stdout] 498 | |                                 Ok(length) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 518 | |                         None => break,
[INFO] [stdout] 519 | |                     }
[INFO] [stdout]     | |_____________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/core/proxy.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             _ => Err("".to_string()),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/core/server.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{self, Write},
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http`
[INFO] [stdout]    --> src/core/server.rs:172:40
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   Ok(http) => {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_http`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/core/server.rs:180:46
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   Some(stream) => {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/protocol/http.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 Err(e) => {}
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request` and `response` are never read
[INFO] [stdout]   --> src/core/proxy.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Proxy {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 22 |     /// request abstract structure
[INFO] [stdout] 23 |     request: Request,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     /// Response abstract structure
[INFO] [stdout] 25 |     response: Response,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Proxy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol` and `params` are never read
[INFO] [stdout]    --> src/protocol/http.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Request {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     protocol: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 158 |     params: HashMap<String, String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol`, `req_method`, and `req_path` are never read
[INFO] [stdout]    --> src/protocol/http.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub struct Response {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 388 |     protocol: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     req_method: Method,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 396 |     req_path: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Response` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "dae23de5b29b71f1bd30bb122c447463eeec0d2e4b2c75f6d4df10cdedf51faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae23de5b29b71f1bd30bb122c447463eeec0d2e4b2c75f6d4df10cdedf51faa", kill_on_drop: false }`
[INFO] [stdout] dae23de5b29b71f1bd30bb122c447463eeec0d2e4b2c75f6d4df10cdedf51faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec9dfe7ce39b56f7044633ecfc2740758789911e2c8c3705a9bda0458e037e1e
[INFO] running `Command { std: "docker" "start" "-a" "ec9dfe7ce39b56f7044633ecfc2740758789911e2c8c3705a9bda0458e037e1e", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/core/server.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | /// global constants related to services
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `event::Event`
[INFO] [stderr]  --> src/core/server.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio::{event::Event, Events, Interest, Poll, Token};
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/core/event.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | /// global event pool
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/protocol/http.rs:494:21
[INFO] [stderr]     |
[INFO] [stderr] 494 |                       /// response body
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 495 | /                     match response.head.get("Content-Length") {
[INFO] [stderr] 496 | |                         Some(length_str) => {
[INFO] [stderr] 497 | |                             match length_str.parse::<u64>() {
[INFO] [stderr] 498 | |                                 Ok(length) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 518 | |                         None => break,
[INFO] [stderr] 519 | |                     }
[INFO] [stderr]     | |_____________________- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/core/proxy.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             _ => Err("".to_string()),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/core/server.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |     io::{self, Write},
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `http`
[INFO] [stderr]    --> src/core/server.rs:172:40
[INFO] [stderr]     |
[INFO] [stderr] 172 | ...                   Ok(http) => {}
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_http`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]    --> src/core/server.rs:180:46
[INFO] [stderr]     |
[INFO] [stderr] 180 | ...                   Some(stream) => {
[INFO] [stderr]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/protocol/http.rs:436:21
[INFO] [stderr]     |
[INFO] [stderr] 436 |                 Err(e) => {}
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `request` and `response` are never read
[INFO] [stderr]   --> src/core/proxy.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Proxy {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 22 |     /// request abstract structure
[INFO] [stderr] 23 |     request: Request,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 24 |     /// Response abstract structure
[INFO] [stderr] 25 |     response: Response,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Proxy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `protocol` and `params` are never read
[INFO] [stderr]    --> src/protocol/http.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub struct Request {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 157 |     protocol: String,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 158 |     params: HashMap<String, String>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `protocol`, `req_method`, and `req_path` are never read
[INFO] [stderr]    --> src/protocol/http.rs:388:5
[INFO] [stderr]     |
[INFO] [stderr] 387 | pub struct Response {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 388 |     protocol: String,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 395 |     req_method: Method,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 396 |     req_path: String,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Response` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `humbird` (lib) generated 12 warnings (run `cargo fix --lib -p humbird` to apply 4 suggestions)
[INFO] [stderr] warning: `humbird` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/humbird-c0689e855ab3506b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests humbird
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/protocol/http.rs - protocol::http::Request::raw (line 366) ... FAILED
[INFO] [stdout] test src/core/server.rs - core::server::Server::run (line 58) ... FAILED
[INFO] [stdout] test src/core/server.rs - core::server::Server::config_run (line 46) ... FAILED
[INFO] [stdout] test src/core/plugins.rs - core::plugins::register_router_plugin (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/protocol/http.rs - protocol::http::Request::raw (line 366) stdout ----
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:367:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | GET / HTTP/1.1\r\n
[INFO] [stdout]   |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:367:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | GET / HTTP/1.1\r\n
[INFO] [stdout]   |                 ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:368:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | request head1\r\n
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:368:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | request head1\r\n
[INFO] [stdout]   |                ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:369:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | request head1\r\n
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:369:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | request head1\r\n
[INFO] [stdout]   |                ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:370:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | \r\n
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/protocol/http.rs:370:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | \r\n
[INFO] [stdout]   |   ^
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `r`
[INFO] [stdout]  --> src/protocol/http.rs:367:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | GET / HTTP/1.1\r\n
[INFO] [stdout]   |                ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/core/server.rs - core::server::Server::run (line 58) stdout ----
[INFO] [stdout] error: expected expression, found `:`
[INFO] [stdout]  --> src/core/server.rs:59:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | Server::run(:NetModel::EventPoll);
[INFO] [stdout]   |             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Server`
[INFO] [stdout]  --> src/core/server.rs:61:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | Server::run(NetModel::Multithread);
[INFO] [stdout]   | ^^^^^^ use of undeclared type `Server`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use humbird::core::server::Server;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NetModel`
[INFO] [stdout]  --> src/core/server.rs:61:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | Server::run(NetModel::Multithread);
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared type `NetModel`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use humbird::core::server::NetModel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/core/server.rs - core::server::Server::config_run (line 46) stdout ----
[INFO] [stdout] error: expected expression, found `:`
[INFO] [stdout]  --> src/core/server.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | Server::run(:NetModel::EventPoll,"/config.toml");
[INFO] [stdout]   |             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Server`
[INFO] [stdout]  --> src/core/server.rs:49:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | Server::run(NetModel::Multithread,"/config.toml");
[INFO] [stdout]   | ^^^^^^ use of undeclared type `Server`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use humbird::core::server::Server;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NetModel`
[INFO] [stdout]  --> src/core/server.rs:49:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | Server::run(NetModel::Multithread,"/config.toml");
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared type `NetModel`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use humbird::core::server::NetModel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/core/plugins.rs - core::plugins::register_router_plugin (line 16) stdout ----
[INFO] [stdout] error: cannot find macro `run` in this scope
[INFO] [stdout]   --> src/core/plugins.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | run!();
[INFO] [stdout]    | ^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `register_router_plugin` in this scope
[INFO] [stdout]   --> src/core/plugins.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | register_router_plugin!("/path" => router_function);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout] 3  + use humbird::register_router_plugin;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Request` in this scope
[INFO] [stdout]  --> src/core/plugins.rs:19:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn router_function(req: Request, mut res: Response) -> Response {
[INFO] [stdout]   |                         ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 3 + use core::error::Request;
[INFO] [stdout]   |
[INFO] [stdout] 3 + use humbird::protocol::http::Request;
[INFO] [stdout]   |
[INFO] [stdout] 3 + use std::error::Request;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Response` in this scope
[INFO] [stdout]  --> src/core/plugins.rs:19:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn router_function(req: Request, mut res: Response) -> Response {
[INFO] [stdout]   |                                           ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 + use humbird::protocol::http::Response;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Response` in this scope
[INFO] [stdout]  --> src/core/plugins.rs:19:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn router_function(req: Request, mut res: Response) -> Response {
[INFO] [stdout]   |                                                        ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 + use humbird::protocol::http::Response;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/core/plugins.rs - core::plugins::register_router_plugin (line 16)
[INFO] [stdout]     src/core/server.rs - core::server::Server::config_run (line 46)
[INFO] [stdout]     src/core/server.rs - core::server::Server::run (line 58)
[INFO] [stdout]     src/protocol/http.rs - protocol::http::Request::raw (line 366)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ec9dfe7ce39b56f7044633ecfc2740758789911e2c8c3705a9bda0458e037e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9dfe7ce39b56f7044633ecfc2740758789911e2c8c3705a9bda0458e037e1e", kill_on_drop: false }`
[INFO] [stdout] ec9dfe7ce39b56f7044633ecfc2740758789911e2c8c3705a9bda0458e037e1e
