[INFO] fetching crate hadean-std 0.2.0...
[INFO] checking hadean-std-0.2.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate hadean-std 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hadean-std 0.2.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate hadean-std 0.2.0
[INFO] removed path dependency hadean from crates.io crate hadean-std 0.2.0
[INFO] finished tweaking crates.io crate hadean-std 0.2.0
[INFO] tweaked toml for crates.io crate hadean-std 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b48169ead89c1eafbbf57ebad25faeb27acbfb814ba9eaae1504af7ef76460bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b48169ead89c1eafbbf57ebad25faeb27acbfb814ba9eaae1504af7ef76460bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b48169ead89c1eafbbf57ebad25faeb27acbfb814ba9eaae1504af7ef76460bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48169ead89c1eafbbf57ebad25faeb27acbfb814ba9eaae1504af7ef76460bd", kill_on_drop: false }`
[INFO] [stdout] b48169ead89c1eafbbf57ebad25faeb27acbfb814ba9eaae1504af7ef76460bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b16ebda314a8607b4474940ba1f8d5fcd228393c471158fa6961b46293579395
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b16ebda314a8607b4474940ba1f8d5fcd228393c471158fa6961b46293579395", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking aidanhs-tmp-parse-generics-shim v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking hadean v0.2.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `pub use`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `macro_reexport` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_reexport(parse_generics_shim,parse_constr,parse_generics_shim_util)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: function `lang_start` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/hoff.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 |     rt::lang_start(unsafe { __hadean_rust_lib_main }, 0, &null_argv as *const _);
[INFO] [stdout]     |         ^^^^^^^^^^ private function
[INFO] [stdout]     |
[INFO] [stdout] note: the function `lang_start` is defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 348 |       let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 348 |       let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 348 |       let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |               ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 349 |       let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |               -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 349 |       let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |               -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 349 |       let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |               -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 350 |       let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |               ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 350 |       let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |               ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 350 |       let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |               ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 351 |       let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |               ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 351 |       let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |               ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 351 |       let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |               ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 352 |       let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |               ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 352 |       let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |               ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 352 |       let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |               ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 353 |       let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |               ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 353 |       let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |               ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 353 |       let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |               ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 354 |       let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |               -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 354 |       let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |               -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 354 |       let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |               -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 355 |       let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |               ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 355 |       let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |               ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 355 |       let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |               ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 356 |       let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |               ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 356 |       let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |               ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 356 |       let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |               ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 357 |       let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |               ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 357 |       let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |               ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 357 |       let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |               ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 358 |       let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |               ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 358 |       let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |               ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 358 |       let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |               ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 361 |           let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                   ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 361 |           let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                   ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 361 |           let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                   ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 364 |           let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 364 |           let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 364 |           let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                   ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |               extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 274 | |                 {self}.call_mut(args)
[INFO] [stdout] 275 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 367 |           let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |                   ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |               extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 279 | |                 self.call(args)
[INFO] [stdout] 280 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 367 |           let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |                   ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |               extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |  _____________^
[INFO] [stdout] 286 | |                 // Contrary to the beliefs of rustc, these variables aren't unused, they're captured
[INFO] [stdout] 287 | |                 // by the closure (which normally counts as a use).
[INFO] [stdout] 288 | |                 $(
[INFO] [stdout] ...   |
[INFO] [stdout] 304 | |                 ret
[INFO] [stdout] 305 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 367 |           let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |                   ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |         let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |                 ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |         let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |                 ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'fn_traits'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hadean-0.2.4/src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |         let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |                 ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 88 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hadean`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b16ebda314a8607b4474940ba1f8d5fcd228393c471158fa6961b46293579395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16ebda314a8607b4474940ba1f8d5fcd228393c471158fa6961b46293579395", kill_on_drop: false }`
[INFO] [stdout] b16ebda314a8607b4474940ba1f8d5fcd228393c471158fa6961b46293579395
