[INFO] cloning repository https://github.com/aaronriekenberg/rust_hyper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronriekenberg/rust_hyper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Frust_hyper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Frust_hyper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc5295d21f886189d8d546472ee458c413dc6f3e
[INFO] testing aaronriekenberg/rust_hyper against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronriekenberg%2Frust_hyper" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronriekenberg/rust_hyper on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronriekenberg/rust_hyper
[INFO] finished tweaking git repo https://github.com/aaronriekenberg/rust_hyper
[INFO] tweaked toml for git repo https://github.com/aaronriekenberg/rust_hyper written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronriekenberg/rust_hyper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.83
[INFO] [stderr]   Downloaded horrorshow v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40884e20fb6b50923be5d9539ef51832d31258bef7f88450d7b42c7e1b1b6344
[INFO] running `Command { std: "docker" "start" "-a" "40884e20fb6b50923be5d9539ef51832d31258bef7f88450d7b42c7e1b1b6344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40884e20fb6b50923be5d9539ef51832d31258bef7f88450d7b42c7e1b1b6344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40884e20fb6b50923be5d9539ef51832d31258bef7f88450d7b42c7e1b1b6344", kill_on_drop: false }`
[INFO] [stdout] 40884e20fb6b50923be5d9539ef51832d31258bef7f88450d7b42c7e1b1b6344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60e23ac7464258749284797c60f9ca9ce9a04e7ee2c86472ef6a88eacaec5d6c
[INFO] running `Command { std: "docker" "start" "-a" "60e23ac7464258749284797c60f9ca9ce9a04e7ee2c86472ef6a88eacaec5d6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling arc-swap v0.3.7
[INFO] [stderr]    Compiling horrorshow v0.6.4
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling fern v0.5.7
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]    Compiling signal-hook v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-process v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.19
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling rust_hyper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 | ) -> Result<server::RouteConfiguration, Box<std::error::Error>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 - ) -> Result<server::RouteConfiguration, Box<std::error::Error>> {
[INFO] [stdout] 20 + ) -> Result<server::RouteConfiguration, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:67:46
[INFO] [stdout]    |
[INFO] [stdout] 67 | ) -> Result<server::ServerConfiguration, Box<std::error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - ) -> Result<server::ServerConfiguration, Box<std::error::Error>> {
[INFO] [stdout] 67 + ) -> Result<server::ServerConfiguration, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:153:70
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn read_config(config_file: String) -> Result<Configuration, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn read_config(config_file: String) -> Result<Configuration, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_git_hash() -> Result<String, Box<::std::error::Error>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_git_hash() -> Result<String, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                         +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:37:53
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn get_environment() -> Result<Environment, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn get_environment() -> Result<Environment, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                     +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logging.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn initialize_logging() -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn initialize_logging() -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                               +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 -     Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stdout] 135 +     Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 | ) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 - ) -> Result<(), Box<error::Error>> {
[INFO] [stdout] 276 + ) -> Result<(), Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 126 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/index.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                           +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/static_file.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 - ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout] 89 + ) -> Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/handlers/static_file.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 - ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout] 111 + ) -> Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/static_file.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                           +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/command/api.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> Box<Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     ) -> Box<Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout] 21 +     ) -> Box<dyn Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/command/html.rs:17:78
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(command_info: crate::config::CommandInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(command_info: crate::config::CommandInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                              +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/proxy/api.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ) -> Box<Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     ) -> Box<Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout] 27 +     ) -> Box<dyn Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/proxy/api.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                          +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/proxy/html.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                          +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `env_vars`
[INFO] [stdout]  --> src/environment.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env_vars: BTreeMap<String, String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Environment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/environment.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.26s
[INFO] running `Command { std: "docker" "inspect" "60e23ac7464258749284797c60f9ca9ce9a04e7ee2c86472ef6a88eacaec5d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e23ac7464258749284797c60f9ca9ce9a04e7ee2c86472ef6a88eacaec5d6c", kill_on_drop: false }`
[INFO] [stdout] 60e23ac7464258749284797c60f9ca9ce9a04e7ee2c86472ef6a88eacaec5d6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a9625fe9afc00f7285aed5aa9fb8697f474910d6e62707a44422e0cbacd00c7
[INFO] running `Command { std: "docker" "start" "-a" "3a9625fe9afc00f7285aed5aa9fb8697f474910d6e62707a44422e0cbacd00c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_hyper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 | ) -> Result<server::RouteConfiguration, Box<std::error::Error>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 - ) -> Result<server::RouteConfiguration, Box<std::error::Error>> {
[INFO] [stdout] 20 + ) -> Result<server::RouteConfiguration, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:67:46
[INFO] [stdout]    |
[INFO] [stdout] 67 | ) -> Result<server::ServerConfiguration, Box<std::error::Error>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 - ) -> Result<server::ServerConfiguration, Box<std::error::Error>> {
[INFO] [stdout] 67 + ) -> Result<server::ServerConfiguration, Box<dyn std::error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:153:70
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn read_config(config_file: String) -> Result<Configuration, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn read_config(config_file: String) -> Result<Configuration, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]     |                                                                      +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_git_hash() -> Result<String, Box<::std::error::Error>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_git_hash() -> Result<String, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                         +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/environment.rs:37:53
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn get_environment() -> Result<Environment, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn get_environment() -> Result<Environment, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                     +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logging.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn initialize_logging() -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn initialize_logging() -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                               +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 -     Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stdout] 135 +     Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 | ) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 - ) -> Result<(), Box<error::Error>> {
[INFO] [stdout] 276 + ) -> Result<(), Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 126 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/index.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                           +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/static_file.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 | ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 - ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout] 89 + ) -> Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/handlers/static_file.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 111 - ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout] 111 + ) -> Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/static_file.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                           +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/command/api.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> Box<Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     ) -> Box<Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout] 21 +     ) -> Box<dyn Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/command/html.rs:17:78
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(command_info: crate::config::CommandInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(command_info: crate::config::CommandInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                              +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/proxy/api.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ) -> Box<Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     ) -> Box<Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout] 27 +     ) -> Box<dyn Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/proxy/api.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                          +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handlers/proxy/html.rs:17:74
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stdout]    |                                                                          +++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `env_vars`
[INFO] [stdout]  --> src/environment.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env_vars: BTreeMap<String, String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Environment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/environment.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "3a9625fe9afc00f7285aed5aa9fb8697f474910d6e62707a44422e0cbacd00c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9625fe9afc00f7285aed5aa9fb8697f474910d6e62707a44422e0cbacd00c7", kill_on_drop: false }`
[INFO] [stdout] 3a9625fe9afc00f7285aed5aa9fb8697f474910d6e62707a44422e0cbacd00c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7ffe7613eb071ec44886e499f72829329029649c2c8a855bcb6fc8f28a423d8
[INFO] running `Command { std: "docker" "start" "-a" "c7ffe7613eb071ec44886e499f72829329029649c2c8a855bcb6fc8f28a423d8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 | ) -> Result<server::RouteConfiguration, Box<std::error::Error>> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 20 - ) -> Result<server::RouteConfiguration, Box<std::error::Error>> {
[INFO] [stderr] 20 + ) -> Result<server::RouteConfiguration, Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:67:46
[INFO] [stderr]    |
[INFO] [stderr] 67 | ) -> Result<server::ServerConfiguration, Box<std::error::Error>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 67 - ) -> Result<server::ServerConfiguration, Box<std::error::Error>> {
[INFO] [stderr] 67 + ) -> Result<server::ServerConfiguration, Box<dyn std::error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:153:70
[INFO] [stderr]     |
[INFO] [stderr] 153 | pub fn read_config(config_file: String) -> Result<Configuration, Box<::std::error::Error>> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 153 | pub fn read_config(config_file: String) -> Result<Configuration, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]     |                                                                      +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/environment.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_git_hash() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_git_hash() -> Result<String, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                                         +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/environment.rs:37:53
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn get_environment() -> Result<Environment, Box<::std::error::Error>> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn get_environment() -> Result<Environment, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                                                     +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logging.rs:47:47
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn initialize_logging() -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn initialize_logging() -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                                               +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 135 -     Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stderr] 135 +     Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = HandlerError> + Send>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:276:21
[INFO] [stderr]     |
[INFO] [stderr] 276 | ) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 276 - ) -> Result<(), Box<error::Error>> {
[INFO] [stderr] 276 + ) -> Result<(), Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:126:32
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 126 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 126 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/index.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                           +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/static_file.rs:89:10
[INFO] [stderr]    |
[INFO] [stderr] 89 | ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 89 - ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stderr] 89 + ) -> Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/handlers/static_file.rs:111:10
[INFO] [stderr]     |
[INFO] [stderr] 111 | ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 111 - ) -> Box<Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stderr] 111 + ) -> Box<dyn Future<Item = ::hyper::Response<::hyper::Body>, Error = ::std::io::Error> + Send> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/static_file.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                           +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/command/api.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ) -> Box<Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     ) -> Box<Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stderr] 21 +     ) -> Box<dyn Future<Item = String, Error = crate::server::HandlerError> + Send> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/command/html.rs:17:78
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(command_info: crate::config::CommandInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(command_info: crate::config::CommandInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                                                                              +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/proxy/api.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     ) -> Box<Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 27 -     ) -> Box<Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stderr] 27 +     ) -> Box<dyn Future<Item = ResponseInfo, Error = crate::server::HandlerError> + Send> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/proxy/api.rs:68:74
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                                                                          +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handlers/proxy/html.rs:17:74
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<::std::error::Error>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(proxy_info: crate::config::ProxyInfo) -> Result<Self, Box<dyn (::std::error::Error)>> {
[INFO] [stderr]    |                                                                          +++++                   +
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `env_vars`
[INFO] [stderr]  --> src/environment.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     env_vars: BTreeMap<String, String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Environment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/environment.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[derive(Debug, Clone)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_hyper` (bin "rust_hyper" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_hyper-62ad37d2578a3fdf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7ffe7613eb071ec44886e499f72829329029649c2c8a855bcb6fc8f28a423d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ffe7613eb071ec44886e499f72829329029649c2c8a855bcb6fc8f28a423d8", kill_on_drop: false }`
[INFO] [stdout] c7ffe7613eb071ec44886e499f72829329029649c2c8a855bcb6fc8f28a423d8