[INFO] cloning repository https://github.com/foxford/janus-p2p-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foxford/janus-p2p-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxford%2Fjanus-p2p-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxford%2Fjanus-p2p-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ab056c2be138b09486d37104871a0c0abb589d0
[INFO] checking foxford/janus-p2p-rs against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxford%2Fjanus-p2p-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foxford/janus-p2p-rs on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foxford/janus-p2p-rs
[INFO] finished tweaking git repo https://github.com/foxford/janus-p2p-rs
[INFO] tweaked toml for git repo https://github.com/foxford/janus-p2p-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/foxford/janus-p2p-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded jansson-sys v0.1.0
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded lazy_static v0.2.10
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded serde_json v1.0.6
[INFO] [stderr]   Downloaded serde v1.0.21
[INFO] [stderr]   Downloaded serde_derive v1.0.21
[INFO] [stderr]   Downloaded cstr-macro v0.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded glib-sys v0.4.0
[INFO] [stderr]   Downloaded janus-plugin v0.7.1
[INFO] [stderr]   Downloaded janus-plugin-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88a3391c3ca8d77a9c1c56277c2fc9e56a513a735245355ef9a22585cc559803
[INFO] running `Command { std: "docker" "start" "-a" "88a3391c3ca8d77a9c1c56277c2fc9e56a513a735245355ef9a22585cc559803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88a3391c3ca8d77a9c1c56277c2fc9e56a513a735245355ef9a22585cc559803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a3391c3ca8d77a9c1c56277c2fc9e56a513a735245355ef9a22585cc559803", kill_on_drop: false }`
[INFO] [stdout] 88a3391c3ca8d77a9c1c56277c2fc9e56a513a735245355ef9a22585cc559803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d66351aced9566f64c6051c8c8f1f94e8bbfc8829c2da2e4022576b44446a05b
[INFO] running `Command { std: "docker" "start" "-a" "d66351aced9566f64c6051c8c8f1f94e8bbfc8829c2da2e4022576b44446a05b", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling jansson-sys v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking janus-plugin-sys v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking janus-plugin v0.7.1
[INFO] [stderr]     Checking janus-p2p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / lazy_static! {
[INFO] [stdout] 30 | |     static ref CHANNEL: Mutex<Option<mpsc::Sender<RawMessage>>> = Mutex::new(None);
[INFO] [stdout] 31 | |     static ref SESSIONS: RwLock<Vec<Box<Arc<Session>>>> = RwLock::new(Vec::new());
[INFO] [stdout] 32 | |     #[derive(Debug)]
[INFO] [stdout] 33 | |     static ref ROOMS: RwLock<HashMap<RoomId, Box<Room>>> = RwLock::new(HashMap::new());
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:134:37
[INFO] [stdout]     |
[INFO] [stdout] 134 | type MessageResult = Result<(), Box<Error>>;
[INFO] [stdout]     |                                     ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 134 | type MessageResult = Result<(), Box<dyn Error>>;
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:134:37
[INFO] [stdout]     |
[INFO] [stdout] 134 | type MessageResult = Result<(), Box<Error>>;
[INFO] [stdout]     |                                     ^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 134 | type MessageResult = Result<(), Box<dyn Error>>;
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> ::std::result::Result<Response, Box<error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> ::std::result::Result<Response, Box<dyn error::Error>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages.rs:78:42
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> ::std::result::Result<Response, Box<error::Error>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 | ) -> ::std::result::Result<Response, Box<dyn error::Error>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:316:55
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     json!({ "ok": false, "error": err.description() }),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:316:55
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     json!({ "ok": false, "error": err.description() }),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |         &mut PLUGIN,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:351:1
[INFO] [stdout]     |
[INFO] [stdout] 351 | const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |         &mut PLUGIN,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:351:1
[INFO] [stdout]     |
[INFO] [stdout] 351 | const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jsep` is never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct RawMessage {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     jsep: Option<JanssonValue>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RawMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jsep` is never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct RawMessage {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     jsep: Option<JanssonValue>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RawMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "d66351aced9566f64c6051c8c8f1f94e8bbfc8829c2da2e4022576b44446a05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66351aced9566f64c6051c8c8f1f94e8bbfc8829c2da2e4022576b44446a05b", kill_on_drop: false }`
[INFO] [stdout] d66351aced9566f64c6051c8c8f1f94e8bbfc8829c2da2e4022576b44446a05b
