[INFO] updating cached repository aberezhnoy/hyper-router
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aberezhnoy/hyper-router
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aberezhnoy/hyper-router" "work/ex/beta-1.38-1/sources/1.37.0/gh/aberezhnoy/hyper-router"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aberezhnoy/hyper-router'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aberezhnoy/hyper-router" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aberezhnoy/hyper-router"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aberezhnoy/hyper-router'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c93dcd8877ddb1033a3a28b75ffa69cad180db9b
[INFO] sha for GitHub repo aberezhnoy/hyper-router: c93dcd8877ddb1033a3a28b75ffa69cad180db9b
[INFO] validating manifest of aberezhnoy/hyper-router on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aberezhnoy/hyper-router on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aberezhnoy/hyper-router
[INFO] finished frobbing aberezhnoy/hyper-router
[INFO] frobbed toml for aberezhnoy/hyper-router written to work/ex/beta-1.38-1/sources/1.37.0/gh/aberezhnoy/hyper-router/Cargo.toml
[INFO] started frobbing aberezhnoy/hyper-router
[INFO] finished frobbing aberezhnoy/hyper-router
[INFO] frobbed toml for aberezhnoy/hyper-router written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aberezhnoy/hyper-router/Cargo.toml
[INFO] crate aberezhnoy/hyper-router already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing aberezhnoy/hyper-router against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aberezhnoy/hyper-router:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2709fb5ccd1e92f9b9ab3802249c95aec46214104953cce010b9a69240763fc3
[INFO] running `"docker" "start" "-a" "2709fb5ccd1e92f9b9ab3802249c95aec46214104953cce010b9a69240763fc3"`
[INFO] [stderr]    Compiling hyper v0.11.25
[INFO] [stderr]    Compiling test-hyper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/router.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/router/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/utils.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let y: &Any = x.unwrap();
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/utils.rs:42:70
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    |                                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::router::Router`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use router::router::Router;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::middleware::Middleware`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use router::middleware::Middleware;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::utils::InsertBoxed`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use router::utils::InsertBoxed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::utils::get_downcast_ref`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use router::utils::get_downcast_ref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Request`, `Response`
[INFO] [stderr]   --> src/main.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hyper::server::{Request, Response};
[INFO] [stderr]    |                     ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Get`, `Post`
[INFO] [stderr]   --> src/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hyper::Method::{Get, Post};
[INFO] [stderr]    |                     ^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::Uri`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use hyper::Uri;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::any::Any;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:89:10
[INFO] [stderr]    |
[INFO] [stderr] 89 |         |x, y| {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/router/utils.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]   --> src/router/utils.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    |                                       ^^^ help: consider prefixing with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/router/middleware.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/router/middleware.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn get(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_`
[INFO] [stderr]   --> src/router/middleware.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_(mut self, step: MiddlewareCallback) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `post`
[INFO] [stderr]   --> src/router/middleware.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn post(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `post_`
[INFO] [stderr]   --> src/router/middleware.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn post_(mut self, step: MiddlewareCallback) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/router/middleware.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn put(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `delete`
[INFO] [stderr]   --> src/router/middleware.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn delete(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `options`
[INFO] [stderr]   --> src/router/middleware.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn options(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head`
[INFO] [stderr]   --> src/router/middleware.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn head(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `patch`
[INFO] [stderr]   --> src/router/middleware.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn patch(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/router/router.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/router/router.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn add(&mut self, path: &str, middleware: Middleware) -> &Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_downcast_ref`
[INFO] [stderr]   --> src/router/utils.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.40s
[INFO] running `"docker" "inspect" "2709fb5ccd1e92f9b9ab3802249c95aec46214104953cce010b9a69240763fc3"`
[INFO] running `"docker" "rm" "-f" "2709fb5ccd1e92f9b9ab3802249c95aec46214104953cce010b9a69240763fc3"`
[INFO] [stdout] 2709fb5ccd1e92f9b9ab3802249c95aec46214104953cce010b9a69240763fc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aberezhnoy/hyper-router:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f97b614f6ed604241bd356c15c805039c7df7e074ee702b645fa0cf02ddb8ba
[INFO] running `"docker" "start" "-a" "8f97b614f6ed604241bd356c15c805039c7df7e074ee702b645fa0cf02ddb8ba"`
[INFO] [stderr]    Compiling test-hyper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/router.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/router/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/utils.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let y: &Any = x.unwrap();
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router/utils.rs:42:70
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    |                                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::router::Router`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use router::router::Router;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::middleware::Middleware`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use router::middleware::Middleware;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::utils::InsertBoxed`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use router::utils::InsertBoxed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `router::utils::get_downcast_ref`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use router::utils::get_downcast_ref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Request`, `Response`
[INFO] [stderr]   --> src/main.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use hyper::server::{Request, Response};
[INFO] [stderr]    |                     ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Get`, `Post`
[INFO] [stderr]   --> src/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hyper::Method::{Get, Post};
[INFO] [stderr]    |                     ^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hyper::Uri`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use hyper::Uri;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::any::Any;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:89:10
[INFO] [stderr]    |
[INFO] [stderr] 89 |         |x, y| {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/router/utils.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]   --> src/router/utils.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    |                                       ^^^ help: consider prefixing with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/router/middleware.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/router/middleware.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn get(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_`
[INFO] [stderr]   --> src/router/middleware.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_(mut self, step: MiddlewareCallback) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `post`
[INFO] [stderr]   --> src/router/middleware.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn post(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `post_`
[INFO] [stderr]   --> src/router/middleware.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn post_(mut self, step: MiddlewareCallback) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/router/middleware.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn put(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `delete`
[INFO] [stderr]   --> src/router/middleware.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn delete(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `options`
[INFO] [stderr]   --> src/router/middleware.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn options(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head`
[INFO] [stderr]   --> src/router/middleware.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn head(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `patch`
[INFO] [stderr]   --> src/router/middleware.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn patch(mut self, steps: Vec<MiddlewareCallback>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/router/router.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/router/router.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn add(&mut self, path: &str, middleware: Middleware) -> &Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_downcast_ref`
[INFO] [stderr]   --> src/router/utils.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_downcast_ref<T>(key: &str, map: HashMap<&'static str, Box<Any>>) -> Option<&'static T> where T: Debug + 'static {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "8f97b614f6ed604241bd356c15c805039c7df7e074ee702b645fa0cf02ddb8ba"`
[INFO] running `"docker" "rm" "-f" "8f97b614f6ed604241bd356c15c805039c7df7e074ee702b645fa0cf02ddb8ba"`
[INFO] [stdout] 8f97b614f6ed604241bd356c15c805039c7df7e074ee702b645fa0cf02ddb8ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aberezhnoy/hyper-router:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4c4f51ef15a4d6a91dad976d50d5919b4a574486e612000dddebdfd7885aed4b
[INFO] running `"docker" "start" "-a" "4c4f51ef15a4d6a91dad976d50d5919b4a574486e612000dddebdfd7885aed4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_hyper-0950d48bba9ad23d
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4c4f51ef15a4d6a91dad976d50d5919b4a574486e612000dddebdfd7885aed4b"`
[INFO] running `"docker" "rm" "-f" "4c4f51ef15a4d6a91dad976d50d5919b4a574486e612000dddebdfd7885aed4b"`
[INFO] [stdout] 4c4f51ef15a4d6a91dad976d50d5919b4a574486e612000dddebdfd7885aed4b