[INFO] fetching crate plugin_macros 0.1.0...
[INFO] checking plugin_macros-0.1.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate plugin_macros 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate plugin_macros 0.1.0 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 crates.io crate plugin_macros 0.1.0
[INFO] finished tweaking crates.io crate plugin_macros 0.1.0
[INFO] tweaked toml for crates.io crate plugin_macros 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ce08d2da00bd81f05ebf43a866e86f28cf57d6f9d9ab59a744faf78734b5de97
[INFO] running `Command { std: "docker" "start" "-a" "ce08d2da00bd81f05ebf43a866e86f28cf57d6f9d9ab59a744faf78734b5de97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce08d2da00bd81f05ebf43a866e86f28cf57d6f9d9ab59a744faf78734b5de97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce08d2da00bd81f05ebf43a866e86f28cf57d6f9d9ab59a744faf78734b5de97", kill_on_drop: false }`
[INFO] [stdout] ce08d2da00bd81f05ebf43a866e86f28cf57d6f9d9ab59a744faf78734b5de97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 11296c2afd867fab547f189f7b32fb7d1d85a5da1a50fda37a4c4c3d19d8344f
[INFO] running `Command { std: "docker" "start" "-a" "11296c2afd867fab547f189f7b32fb7d1d85a5da1a50fda37a4c4c3d19d8344f", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plugin_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugins: HashMap<String, Box<Plugin>>,
[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] 44 |     plugins: HashMap<String, Box<dyn Plugin>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugins: HashMap<String, Box<Plugin>>,
[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] 44 |     plugins: HashMap<String, Box<dyn Plugin>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:66
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<Plugin>> {
[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] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<dyn Plugin>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:66
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<Plugin>> {
[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] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<dyn Plugin>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:78:43
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let func: Symbol<fn() -> *mut Plugin> = self
[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 |             let func: Symbol<fn() -> *mut dyn Plugin> = self
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:78:43
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let func: Symbol<fn() -> *mut Plugin> = self
[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 |             let func: Symbol<fn() -> *mut dyn Plugin> = self
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "11296c2afd867fab547f189f7b32fb7d1d85a5da1a50fda37a4c4c3d19d8344f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11296c2afd867fab547f189f7b32fb7d1d85a5da1a50fda37a4c4c3d19d8344f", kill_on_drop: false }`
[INFO] [stdout] 11296c2afd867fab547f189f7b32fb7d1d85a5da1a50fda37a4c4c3d19d8344f
[INFO] checking plugin_macros-0.1.0 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] extracting crate plugin_macros 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate plugin_macros 0.1.0 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plugin_macros 0.1.0
[INFO] finished tweaking crates.io crate plugin_macros 0.1.0
[INFO] tweaked toml for crates.io crate plugin_macros 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d88f8fadd0fed49b4797453f6d2b8e84e5a53e6e79ae3fdbc48a04d3a696bd1d
[INFO] running `Command { std: "docker" "start" "-a" "d88f8fadd0fed49b4797453f6d2b8e84e5a53e6e79ae3fdbc48a04d3a696bd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88f8fadd0fed49b4797453f6d2b8e84e5a53e6e79ae3fdbc48a04d3a696bd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88f8fadd0fed49b4797453f6d2b8e84e5a53e6e79ae3fdbc48a04d3a696bd1d", kill_on_drop: false }`
[INFO] [stdout] d88f8fadd0fed49b4797453f6d2b8e84e5a53e6e79ae3fdbc48a04d3a696bd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dnon_local_definitions" "-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb97451bf3ce7be8b81452dd5f4c55ff8cf56a71c6076f347aaa2bd2d26e7b0
[INFO] running `Command { std: "docker" "start" "-a" "1fb97451bf3ce7be8b81452dd5f4c55ff8cf56a71c6076f347aaa2bd2d26e7b0", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plugin_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugins: HashMap<String, Box<Plugin>>,
[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] 44 |     plugins: HashMap<String, Box<dyn Plugin>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:66
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<Plugin>> {
[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] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<dyn Plugin>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugins: HashMap<String, Box<Plugin>>,
[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] 44 |     plugins: HashMap<String, Box<dyn Plugin>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:66
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<Plugin>> {
[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] 57 |     pub fn get_by_file_name(&self, name: &String) -> Option<&Box<dyn Plugin>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:78:43
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let func: Symbol<fn() -> *mut Plugin> = self
[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 |             let func: Symbol<fn() -> *mut dyn Plugin> = self
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:78:43
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let func: Symbol<fn() -> *mut Plugin> = self
[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 |             let func: Symbol<fn() -> *mut dyn Plugin> = self
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_PluginError`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_Fail_FOR_PluginError`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/error.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plugin_macros` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `plugin_macros` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1fb97451bf3ce7be8b81452dd5f4c55ff8cf56a71c6076f347aaa2bd2d26e7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb97451bf3ce7be8b81452dd5f4c55ff8cf56a71c6076f347aaa2bd2d26e7b0", kill_on_drop: false }`
[INFO] [stdout] 1fb97451bf3ce7be8b81452dd5f4c55ff8cf56a71c6076f347aaa2bd2d26e7b0