[INFO] crate light_pencil 0.4.4 is already in cache
[INFO] testing light_pencil-0.4.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate light_pencil 0.4.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate light_pencil 0.4.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate light_pencil 0.4.4
[INFO] finished tweaking crates.io crate light_pencil 0.4.4
[INFO] tweaked toml for crates.io crate light_pencil 0.4.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 9a22b85d4645a29ce47e8b61f5799b92b72180040b4b70970d55d7efc3f67239
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9a22b85d4645a29ce47e8b61f5799b92b72180040b4b70970d55d7efc3f67239"`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling buf-read-ext v0.3.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling textnonce v0.6.5
[INFO] [stderr]    Compiling mime_multipart v0.5.2
[INFO] [stderr]    Compiling formdata v0.12.3
[INFO] [stderr]    Compiling light_pencil v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]   --> src/datastructures.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         #[allow(ptr_arg)]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:74:93
[INFO] [stderr]    |
[INFO] [stderr] 74 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into());
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/helpers.rs:108:93
[INFO] [stderr]     |
[INFO] [stderr] 108 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into()),
[INFO] [stderr]     |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app.rs:218:79
[INFO] [stderr]     |
[INFO] [stderr] 218 |         eprintln!("Error on {} [{}]: {}", request.path(), request.method(), e.description());
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |             PenHTTPError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:62:54
[INFO] [stderr]    |
[INFO] [stderr] 62 |             PenUserError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:70:42
[INFO] [stderr]    |
[INFO] [stderr] 70 |             PenHTTPError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:71:42
[INFO] [stderr]    |
[INFO] [stderr] 71 |             PenUserError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "9a22b85d4645a29ce47e8b61f5799b92b72180040b4b70970d55d7efc3f67239"`
[INFO] running `"docker" "rm" "-f" "9a22b85d4645a29ce47e8b61f5799b92b72180040b4b70970d55d7efc3f67239"`
[INFO] [stdout] 9a22b85d4645a29ce47e8b61f5799b92b72180040b4b70970d55d7efc3f67239
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b21a6736eab20f55ce3920967bff7275099ac4831b3bb2db6e3ed51eeb0e2dd2
[INFO] running `"docker" "start" "-a" "b21a6736eab20f55ce3920967bff7275099ac4831b3bb2db6e3ed51eeb0e2dd2"`
[INFO] [stderr]    Compiling light_pencil v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]   --> src/datastructures.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         #[allow(ptr_arg)]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:74:93
[INFO] [stderr]    |
[INFO] [stderr] 74 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into());
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/helpers.rs:108:93
[INFO] [stderr]     |
[INFO] [stderr] 108 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into()),
[INFO] [stderr]     |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app.rs:218:79
[INFO] [stderr]     |
[INFO] [stderr] 218 |         eprintln!("Error on {} [{}]: {}", request.path(), request.method(), e.description());
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |             PenHTTPError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:62:54
[INFO] [stderr]    |
[INFO] [stderr] 62 |             PenUserError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:70:42
[INFO] [stderr]    |
[INFO] [stderr] 70 |             PenHTTPError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:71:42
[INFO] [stderr]    |
[INFO] [stderr] 71 |             PenUserError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]   --> src/datastructures.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         #[allow(ptr_arg)]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:74:93
[INFO] [stderr]    |
[INFO] [stderr] 74 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into());
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/helpers.rs:108:93
[INFO] [stderr]     |
[INFO] [stderr] 108 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into()),
[INFO] [stderr]     |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app.rs:218:79
[INFO] [stderr]     |
[INFO] [stderr] 218 |         eprintln!("Error on {} [{}]: {}", request.path(), request.method(), e.description());
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |             PenHTTPError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:62:54
[INFO] [stderr]    |
[INFO] [stderr] 62 |             PenUserError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:70:42
[INFO] [stderr]    |
[INFO] [stderr] 70 |             PenHTTPError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:71:42
[INFO] [stderr]    |
[INFO] [stderr] 71 |             PenUserError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "b21a6736eab20f55ce3920967bff7275099ac4831b3bb2db6e3ed51eeb0e2dd2"`
[INFO] running `"docker" "rm" "-f" "b21a6736eab20f55ce3920967bff7275099ac4831b3bb2db6e3ed51eeb0e2dd2"`
[INFO] [stdout] b21a6736eab20f55ce3920967bff7275099ac4831b3bb2db6e3ed51eeb0e2dd2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7647ead6b05a6eea3c2cf810b910a20425dbd22a691ebdc6cf4ebf1442736e9c
[INFO] running `"docker" "start" "-a" "7647ead6b05a6eea3c2cf810b910a20425dbd22a691ebdc6cf4ebf1442736e9c"`
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]   --> src/datastructures.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         #[allow(ptr_arg)]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:74:93
[INFO] [stderr]    |
[INFO] [stderr] 74 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into());
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/helpers.rs:108:93
[INFO] [stderr]     |
[INFO] [stderr] 108 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into()),
[INFO] [stderr]     |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app.rs:218:79
[INFO] [stderr]     |
[INFO] [stderr] 218 |         eprintln!("Error on {} [{}]: {}", request.path(), request.method(), e.description());
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |             PenHTTPError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:62:54
[INFO] [stderr]    |
[INFO] [stderr] 62 |             PenUserError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:70:42
[INFO] [stderr]    |
[INFO] [stderr] 70 |             PenHTTPError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:71:42
[INFO] [stderr]    |
[INFO] [stderr] 71 |             PenUserError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]   --> src/datastructures.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         #[allow(ptr_arg)]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wrappers.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     body: RefCell<HttpReader<&'a mut BufReader<&'b mut NetworkStream>>>,
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub struct ResponseBody<'a>(Box<Write + 'a>);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrappers.rs:289:26
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub body: Option<Box<BodyWrite>>,
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn BodyWrite`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:77:53
[INFO] [stderr]    |
[INFO] [stderr] 77 |             PenHTTPError(ref err) => Some(&*err as &error::Error),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub type HTTPErrorHandler = Fn(HTTPError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HTTPError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type UserErrorHandler = Fn(UserError) -> PencilResult + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(UserError) -> PencilResult + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub type BeforeRequestFunc = Fn(&mut Request) -> Option<PencilResult> + Send + Sync;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Request) -> Option<PencilResult> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub type AfterRequestFunc = Fn(&Request, &mut Response) + Send + Sync;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Request, &mut Response) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:94:32
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub type TeardownRequestFunc = Fn(Option<&PencilError>) + Send + Sync;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&PencilError>) + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:208:44
[INFO] [stderr]     |
[INFO] [stderr] 208 |         self.host_url() + self.full_path().trim_left_matches('/')
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/wrappers.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.host_url() + self.path().trim_left_matches('/')
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/routing.rs:106:54
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for (converter, variable) in parse_rule(rule.trim_right_matches('/')) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/routing.rs:272:39
[INFO] [stderr]     |
[INFO] [stderr] 272 |         let redirect_path = self.path.trim_left_matches('/').to_owned() + "/";
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/helpers.rs:74:93
[INFO] [stderr]    |
[INFO] [stderr] 74 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into());
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/helpers.rs:108:93
[INFO] [stderr]     |
[INFO] [stderr] 108 |             return Err(UserError::new(format!("couldn't open {}: {}", filepath.display(), e.description())).into()),
[INFO] [stderr]     |                                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app.rs:218:79
[INFO] [stderr]     |
[INFO] [stderr] 218 |         eprintln!("Error on {} [{}]: {}", request.path(), request.method(), e.description());
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |             PenHTTPError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:62:54
[INFO] [stderr]    |
[INFO] [stderr] 62 |             PenUserError(ref err) => f.write_str(err.description()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:70:42
[INFO] [stderr]    |
[INFO] [stderr] 70 |             PenHTTPError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/types.rs:71:42
[INFO] [stderr]    |
[INFO] [stderr] 71 |             PenUserError(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/light_pencil-e4a886faf20c027c
[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] [stderr]    Doc-tests light_pencil
[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" "7647ead6b05a6eea3c2cf810b910a20425dbd22a691ebdc6cf4ebf1442736e9c"`
[INFO] running `"docker" "rm" "-f" "7647ead6b05a6eea3c2cf810b910a20425dbd22a691ebdc6cf4ebf1442736e9c"`
[INFO] [stdout] 7647ead6b05a6eea3c2cf810b910a20425dbd22a691ebdc6cf4ebf1442736e9c