[INFO] fetching crate ferrum 0.2.1...
[INFO] testing ferrum-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate ferrum 0.2.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate ferrum 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrum 0.2.1
[INFO] finished tweaking crates.io crate ferrum 0.2.1
[INFO] tweaked toml for crates.io crate ferrum 0.2.1 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] e4fe719973af4a2d4f7b73fc7695f18a6a104229420893808f1fbc8821b4a482
[INFO] running `Command { std: "docker" "start" "-a" "e4fe719973af4a2d4f7b73fc7695f18a6a104229420893808f1fbc8821b4a482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4fe719973af4a2d4f7b73fc7695f18a6a104229420893808f1fbc8821b4a482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fe719973af4a2d4f7b73fc7695f18a6a104229420893808f1fbc8821b4a482", kill_on_drop: false }`
[INFO] [stdout] e4fe719973af4a2d4f7b73fc7695f18a6a104229420893808f1fbc8821b4a482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc953ed92ac500c9cccf8d7e80c0a23c4ad36f957311c0d23e1935f8a3ae67fa
[INFO] running `Command { std: "docker" "start" "-a" "cc953ed92ac500c9cccf8d7e80c0a23c4ad36f957311c0d23e1935f8a3ae67fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling futures v0.1.31
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tokio-proto v0.1.1
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[INFO] [stderr]    Compiling ferrum v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub error: Box<Error + Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub type TypeMapInner = UnsafeAny + Send + Sync;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:197:34
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn around(self, handler: Box<Handler>) -> Box<Handler>;
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:197:51
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn around(self, handler: Box<Handler>) -> Box<Handler>;
[INFO] [stdout]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |     befores: Vec<Box<BeforeMiddleware>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |     afters: Vec<Box<AfterMiddleware>>,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:210:25
[INFO] [stdout]     |
[INFO] [stdout] 210 |     handler: Option<Box<Handler>>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:219:52
[INFO] [stdout]     |
[INFO] [stdout] 219 |             handler: Some(Box::new(handler) as Box<Handler>)
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:231:51
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:232:49
[INFO] [stdout]     |
[INFO] [stdout] 232 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:241:51
[INFO] [stdout]     |
[INFO] [stdout] 241 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:250:49
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 | impl Handler for Box<Handler> {
[INFO] [stdout]     |                      ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:410:31
[INFO] [stdout]     |
[INFO] [stdout] 410 | impl BeforeMiddleware for Box<BeforeMiddleware> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:440:30
[INFO] [stdout]     |
[INFO] [stdout] 440 | impl AfterMiddleware for Box<AfterMiddleware> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:461:25
[INFO] [stdout]     |
[INFO] [stdout] 461 |     where F: FnOnce(Box<Handler>) -> Box<Handler>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:461:42
[INFO] [stdout]     |
[INFO] [stdout] 461 |     where F: FnOnce(Box<Handler>) -> Box<Handler>
[INFO] [stdout]     |                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:463:34
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:463:51
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `Command { std: "docker" "inspect" "cc953ed92ac500c9cccf8d7e80c0a23c4ad36f957311c0d23e1935f8a3ae67fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc953ed92ac500c9cccf8d7e80c0a23c4ad36f957311c0d23e1935f8a3ae67fa", kill_on_drop: false }`
[INFO] [stdout] cc953ed92ac500c9cccf8d7e80c0a23c4ad36f957311c0d23e1935f8a3ae67fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2040c4ae895b6e848fc8b0d5236b6d553764395dc57ca788b2ed12f13bca284b
[INFO] running `Command { std: "docker" "start" "-a" "2040c4ae895b6e848fc8b0d5236b6d553764395dc57ca788b2ed12f13bca284b", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub error: Box<Error + Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub type TypeMapInner = UnsafeAny + Send + Sync;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:197:34
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn around(self, handler: Box<Handler>) -> Box<Handler>;
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ferrum v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:197:51
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn around(self, handler: Box<Handler>) -> Box<Handler>;
[INFO] [stdout]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |     befores: Vec<Box<BeforeMiddleware>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |     afters: Vec<Box<AfterMiddleware>>,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:210:25
[INFO] [stdout]     |
[INFO] [stdout] 210 |     handler: Option<Box<Handler>>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:219:52
[INFO] [stdout]     |
[INFO] [stdout] 219 |             handler: Some(Box::new(handler) as Box<Handler>)
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:231:51
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:232:49
[INFO] [stdout]     |
[INFO] [stdout] 232 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:241:51
[INFO] [stdout]     |
[INFO] [stdout] 241 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:250:49
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 | impl Handler for Box<Handler> {
[INFO] [stdout]     |                      ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:410:31
[INFO] [stdout]     |
[INFO] [stdout] 410 | impl BeforeMiddleware for Box<BeforeMiddleware> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:440:30
[INFO] [stdout]     |
[INFO] [stdout] 440 | impl AfterMiddleware for Box<AfterMiddleware> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:461:25
[INFO] [stdout]     |
[INFO] [stdout] 461 |     where F: FnOnce(Box<Handler>) -> Box<Handler>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:461:42
[INFO] [stdout]     |
[INFO] [stdout] 461 |     where F: FnOnce(Box<Handler>) -> Box<Handler>
[INFO] [stdout]     |                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:463:34
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:463:51
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub error: Box<Error + Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub type TypeMapInner = UnsafeAny + Send + Sync;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:197:34
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn around(self, handler: Box<Handler>) -> Box<Handler>;
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:197:51
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn around(self, handler: Box<Handler>) -> Box<Handler>;
[INFO] [stdout]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |     befores: Vec<Box<BeforeMiddleware>>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 207 |     afters: Vec<Box<AfterMiddleware>>,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:210:25
[INFO] [stdout]     |
[INFO] [stdout] 210 |     handler: Option<Box<Handler>>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:219:52
[INFO] [stdout]     |
[INFO] [stdout] 219 |             handler: Some(Box::new(handler) as Box<Handler>)
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:231:51
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:232:49
[INFO] [stdout]     |
[INFO] [stdout] 232 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:241:51
[INFO] [stdout]     |
[INFO] [stdout] 241 |         self.befores.push(Box::new(before) as Box<BeforeMiddleware>);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:250:49
[INFO] [stdout]     |
[INFO] [stdout] 250 |         self.afters.push(Box::new(after) as Box<AfterMiddleware>);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 | impl Handler for Box<Handler> {
[INFO] [stdout]     |                      ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:410:31
[INFO] [stdout]     |
[INFO] [stdout] 410 | impl BeforeMiddleware for Box<BeforeMiddleware> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:440:30
[INFO] [stdout]     |
[INFO] [stdout] 440 | impl AfterMiddleware for Box<AfterMiddleware> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:461:25
[INFO] [stdout]     |
[INFO] [stdout] 461 |     where F: FnOnce(Box<Handler>) -> Box<Handler>
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:461:42
[INFO] [stdout]     |
[INFO] [stdout] 461 |     where F: FnOnce(Box<Handler>) -> Box<Handler>
[INFO] [stdout]     |                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:463:34
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/mod.rs:463:51
[INFO] [stdout]     |
[INFO] [stdout] 463 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]     |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/test.rs:195:37
[INFO] [stdout]     |
[INFO] [stdout] 195 |         .map(|m| Box::new(m) as Box<BeforeMiddleware>)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BeforeMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/test.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 |         .map(|m| Box::new(m) as Box<AfterMiddleware>)
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AfterMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/middleware/test.rs:207:48
[INFO] [stdout]     |
[INFO] [stdout] 207 |         handler: Some(Box::new(handler) as Box<Handler>),
[INFO] [stdout]     |                                                ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:47:51
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |         }) as Box<Handler>
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple_routing.rs:12:33
[INFO] [stdout]    |
[INFO] [stdout] 12 |     routes: HashMap<String, Box<Handler>>
[INFO] [stdout]    |                                 ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferrum`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name simple_routing examples/simple_routing.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=fb64652d7d3cb60d -C extra-filename=-fb64652d7d3cb60d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern ferrum=/opt/rustwide/target/debug/deps/libferrum-d919cd48cfd4f1c6.rlib --extern ferrum_plugin=/opt/rustwide/target/debug/deps/libferrum_plugin-aae7b887696a23b5.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-c39dff430ac81ac9.rlib --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-3059c28ca277f26f.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-b6bba2c272c76a7f.rlib --extern mime=/opt/rustwide/target/debug/deps/libmime-536904fee2e1448a.rlib --extern mime_guess=/opt/rustwide/target/debug/deps/libmime_guess-e56f9a51960f5b47.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-c71919f527130ee7.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-ba10b1878fe332d6.rlib --extern unsafe_any=/opt/rustwide/target/debug/deps/libunsafe_any-2b860660ba38b829.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-06380d169e8252a6.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.error.b9b73a87-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b.4gy0ddqtvuksnqsc.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libferrum-d919cd48cfd4f1c6.rlib" "/opt/rustwide/target/debug/deps/liburl-06380d169e8252a6.rlib" "/opt/rustwide/target/debug/deps/libidna-861f73d9e96468f0.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-9937e5bde6b792fd.rlib" "/opt/rustwide/target/debug/deps/libtinyvec-37d41940def455b4.rlib" "/opt/rustwide/target/debug/deps/libtinyvec_macros-92a1c487a2a985df.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-afe326ebf8dbe853.rlib" "/opt/rustwide/target/debug/deps/libmatches-9cfb84f2ef24c6e0.rlib" "/opt/rustwide/target/debug/deps/libmime_guess-e56f9a51960f5b47.rlib" "/opt/rustwide/target/debug/deps/libphf-e7a6d4b20c925131.rlib" "/opt/rustwide/target/debug/deps/libphf_shared-f6702031e9321683.rlib" "/opt/rustwide/target/debug/deps/libunicase-66e0e04447fa9f70.rlib" "/opt/rustwide/target/debug/deps/libsiphasher-5a91da314733665f.rlib" "/opt/rustwide/target/debug/deps/libmime-19c2ed802fad5473.rlib" "/opt/rustwide/target/debug/deps/libferrum_plugin-aae7b887696a23b5.rlib" "/opt/rustwide/target/debug/deps/libunsafe_any-2b860660ba38b829.rlib" "/opt/rustwide/target/debug/deps/libtraitobject-178950486fb19c8a.rlib" "/opt/rustwide/target/debug/deps/libhyper-b6bba2c272c76a7f.rlib" "/opt/rustwide/target/debug/deps/libwant-1b2e809069168648.rlib" "/opt/rustwide/target/debug/deps/libtry_lock-0603c5cdf94bb423.rlib" "/opt/rustwide/target/debug/deps/libunicase-6d5e1c4a5f83c0e8.rlib" "/opt/rustwide/target/debug/deps/libtokio_proto-f50ab5d9bf207a75.rlib" "/opt/rustwide/target/debug/deps/liblog-1bfa4e4f3f840233.rlib" "/opt/rustwide/target/debug/deps/libtokio_service-0107e251c1bf4f86.rlib" "/opt/rustwide/target/debug/deps/libtake-c2fc47a20489f93c.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-151dd8aa136ac44e.rlib" "/opt/rustwide/target/debug/deps/libslab-f9f671fbb9f76664.rlib" "/opt/rustwide/target/debug/deps/librand-50a7f7c186ff08a9.rlib" "/opt/rustwide/target/debug/deps/librand-9cb169f5396821bb.rlib" "/opt/rustwide/target/debug/deps/libtokio_core-9a59410b41766c75.rlib" "/opt/rustwide/target/debug/deps/libscoped_tls-dacae7abb236e3f8.rlib" "/opt/rustwide/target/debug/deps/libtokio-4bb99da48020f0fd.rlib" "/opt/rustwide/target/debug/deps/libtokio_uds-6a3f8d9f830947ac.rlib" "/opt/rustwide/target/debug/deps/libmio_uds-214d7c326ea31c0e.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-11f8a75984bf88c0.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-13a751ee669e99c6.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-95fade7b026c2268.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-cee1c9853cc44d1a.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-cef6b8c15875f604.rlib" "/opt/rustwide/target/debug/deps/libfnv-059813dc4f8dd4c8.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-912cd8183a0f7b47.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-a6e8dcce06d42d0b.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-3f53ab61be893db5.rlib" "/opt/rustwide/target/debug/deps/liblock_api-354151540ba24b93.rlib" "/opt/rustwide/target/debug/deps/libtokio_fs-994567d8154b8bce.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-ef2551bca2c1a81d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-7e820ed6f748bdf1.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-585e1e31dcd4882d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-e969548fcbdf5d75.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-77ffbe2fe379a2bf.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-a12ae7293f8eed8b.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-695311e2d4eb5931.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-c22b1fa6df721136.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-b84e4b9407f610cf.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-6ccdd1cb1d87c90c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-df9524235bdb10d1.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-5ab9caac03de6c33.rlib" "/opt/rustwide/target/debug/deps/libmio-a154ace372baa775.rlib" "/opt/rustwide/target/debug/deps/libslab-d8039491c225f987.rlib" "/opt/rustwide/target/debug/deps/libtime-ba10b1878fe332d6.rlib" "/opt/rustwide/target/debug/deps/librelay-6928634120744e1e.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-76122f85aad64373.rlib" "/opt/rustwide/target/debug/deps/libnet2-535bc888beb7bad3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ffb7f11ad1437080.rlib" "/opt/rustwide/target/debug/deps/libmime-536904fee2e1448a.rlib" "/opt/rustwide/target/debug/deps/liblog-18e19f5b5787b169.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0d27f345b2a6a3cd.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-ca3869166b070a03.rlib" "/opt/rustwide/target/debug/deps/libhttparse-c567b0f61aebf2a9.rlib" "/opt/rustwide/target/debug/deps/libfutures_cpupool-3059c28ca277f26f.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-c71919f527130ee7.rlib" "/opt/rustwide/target/debug/deps/libfutures-c39dff430ac81ac9.rlib" "/opt/rustwide/target/debug/deps/libbytes-1d39fadb129f4338.rlib" "/opt/rustwide/target/debug/deps/libiovec-fbb2024ac0bba903.rlib" "/opt/rustwide/target/debug/deps/liblibc-bd0a7f2f55865ae0.rlib" "/opt/rustwide/target/debug/deps/libbase64-0bbc19304343843a.rlib" "/opt/rustwide/target/debug/deps/libsafemem-1b434f6aa7f38631.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f30fa083324a1476.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/error-1dd7d5d00259f55b" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2040c4ae895b6e848fc8b0d5236b6d553764395dc57ca788b2ed12f13bca284b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2040c4ae895b6e848fc8b0d5236b6d553764395dc57ca788b2ed12f13bca284b", kill_on_drop: false }`
[INFO] [stdout] 2040c4ae895b6e848fc8b0d5236b6d553764395dc57ca788b2ed12f13bca284b
