[INFO] fetching crate iron 0.6.1...
[INFO] testing iron-0.6.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate iron 0.6.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate iron 0.6.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron 0.6.1
[INFO] finished tweaking crates.io crate iron 0.6.1
[INFO] tweaked toml for crates.io crate iron 0.6.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate iron 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safemem v0.3.1
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded security-framework-sys v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded security-framework v0.3.1
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded openssl v0.10.24
[INFO] [stderr]   Downloaded libc v0.2.61
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded schannel v0.1.15
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded getrandom v0.1.9
[INFO] [stderr]   Downloaded native-tls v0.2.3
[INFO] [stderr]   Downloaded hyper-native-tls v0.3.0
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] [stderr]   Downloaded openssl-sys v0.9.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e17efc3adf43e38aa0885d747613e256baf9186bd02aee235c022debf6528a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e17efc3adf43e38aa0885d747613e256baf9186bd02aee235c022debf6528a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e17efc3adf43e38aa0885d747613e256baf9186bd02aee235c022debf6528a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e17efc3adf43e38aa0885d747613e256baf9186bd02aee235c022debf6528a8", kill_on_drop: false }`
[INFO] [stdout] 9e17efc3adf43e38aa0885d747613e256baf9186bd02aee235c022debf6528a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4933ded20841ef8732e4626f982e19297c18e691d1c7bd478dcb167ef989e7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4933ded20841ef8732e4626f982e19297c18e691d1c7bd478dcb167ef989e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling iron v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut raw_res = try!(res.start());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(body.write_body(&mut raw_res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/request/url.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.generic_url.fmt(formatter));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         try!(writeln!(f, "Request {{"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(f, "    url: {:?}", self.url));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(writeln!(f, "    method: {:?}", self.method));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(writeln!(f, "    local_addr: {:?}", self.local_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iron.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |             addr: try!(listener.local_addr()),
[INFO] [stdout]     |                   ^^^
[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:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `Command { std: "docker" "inspect" "c4933ded20841ef8732e4626f982e19297c18e691d1c7bd478dcb167ef989e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4933ded20841ef8732e4626f982e19297c18e691d1c7bd478dcb167ef989e7c", kill_on_drop: false }`
[INFO] [stdout] c4933ded20841ef8732e4626f982e19297c18e691d1c7bd478dcb167ef989e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb1de9d779ae6d07debe2690c75300ee7e7dc617d5c27e6712888695242fd9e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb1de9d779ae6d07debe2690c75300ee7e7dc617d5c27e6712888695242fd9e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling iron v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut raw_res = try!(res.start());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(body.write_body(&mut raw_res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/request/url.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.generic_url.fmt(formatter));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         try!(writeln!(f, "Request {{"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(f, "    url: {:?}", self.url));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(writeln!(f, "    method: {:?}", self.method));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(writeln!(f, "    local_addr: {:?}", self.local_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iron.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |             addr: try!(listener.local_addr()),
[INFO] [stdout]     |                   ^^^
[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:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/simple_routing.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn around(self, handler: Box<Handler>) -> Box<Handler> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/around.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         }) as Box<Handler>
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut raw_res = try!(res.start());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/response.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(body.write_body(&mut raw_res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/request/url.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.generic_url.fmt(formatter));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         try!(writeln!(f, "Request {{"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(f, "    url: {:?}", self.url));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(writeln!(f, "    method: {:?}", self.method));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(writeln!(f, "    local_addr: {:?}", self.local_addr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/request/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/iron.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |             addr: try!(listener.local_addr()),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/request/mod.rs:140:28
[INFO] [stdout]     |
[INFO] [stdout] 140 |             body: unsafe { ::std::mem::uninitialized() }, // FIXME(reem): Ugh
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[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:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iron`
[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=9aa1a242463eeaf5 -C extra-filename=-9aa1a242463eeaf5 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern hyper=/opt/rustwide/target/debug/deps/libhyper-5fda6eebd6fa4f62.rlib --extern iron=/opt/rustwide/target/debug/deps/libiron-751561ba07d22365.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-34b68c04964c5e69.rlib --extern mime=/opt/rustwide/target/debug/deps/libmime-fb1aeef33e68ffcb.rlib --extern mime_guess=/opt/rustwide/target/debug/deps/libmime_guess-9e521c2b617deadb.rlib --extern modifier=/opt/rustwide/target/debug/deps/libmodifier-837c443f71d69959.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-0062e55852bbbf87.rlib --extern plugin=/opt/rustwide/target/debug/deps/libplugin-4768894150091156.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-d7e46102bf8ea3ff.rlib --extern typemap=/opt/rustwide/target/debug/deps/libtypemap-b07c363a49879a85.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-2be6bbfcc6520445.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eb1de9d779ae6d07debe2690c75300ee7e7dc617d5c27e6712888695242fd9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1de9d779ae6d07debe2690c75300ee7e7dc617d5c27e6712888695242fd9e3", kill_on_drop: false }`
[INFO] [stdout] eb1de9d779ae6d07debe2690c75300ee7e7dc617d5c27e6712888695242fd9e3
