[INFO] fetching crate ops-on-fn 0.0.1...
[INFO] checking ops-on-fn-0.0.1 against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] extracting crate ops-on-fn 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ops-on-fn 0.0.1 on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ops-on-fn 0.0.1
[INFO] finished tweaking crates.io crate ops-on-fn 0.0.1
[INFO] tweaked toml for crates.io crate ops-on-fn 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df85599d36be417fc3668c3141f8b77b7744627f91b08676522d44779778fbb6
[INFO] running `Command { std: "docker" "start" "-a" "df85599d36be417fc3668c3141f8b77b7744627f91b08676522d44779778fbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df85599d36be417fc3668c3141f8b77b7744627f91b08676522d44779778fbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df85599d36be417fc3668c3141f8b77b7744627f91b08676522d44779778fbb6", kill_on_drop: false }`
[INFO] [stdout] df85599d36be417fc3668c3141f8b77b7744627f91b08676522d44779778fbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e273d09863406b96ce5ee82b528fa32e6593b513bd15a11911f67aff2bd1d7ac
[INFO] running `Command { std: "docker" "start" "-a" "e273d09863406b96ce5ee82b528fa32e6593b513bd15a11911f67aff2bd1d7ac", kill_on_drop: false }`
[INFO] [stderr]     Checking ops-on-fn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T, Args> FnOnce<Args> for Not<T>
[INFO] [stdout]    |               ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, Args> FnMut<Args> for Not<T>
[INFO] [stdout]    |               ^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T, Args> Fn<Args> for Not<T>
[INFO] [stdout]    |               ^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     extern "rust-call" fn call(&self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T, Args, O> FnOnce<Args> for NotMut<T>
[INFO] [stdout]    |                  ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<T, Args, O> FnMut<Args> for NotMut<T>
[INFO] [stdout]    |                  ^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     T: FnMut<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                 ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     T: FnMut<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                 ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<T, Args, O> FnOnce<Args> for NotOnce<T>
[INFO] [stdout]    |                  ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T, Args> FnOnce<Args> for Not<T>
[INFO] [stdout]    |               ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]   --> src/ops_fn.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T, Args> OpsFn<Args> for T where T: Fn<Args> {}
[INFO] [stdout]    |                                          ^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T, Args> OpsFn<Args> for T where T: Fn<Args>, Args: std::marker::Tuple {}
[INFO] [stdout]    |                                                  ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, Args> FnMut<Args> for Not<T>
[INFO] [stdout]    |               ^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]  --> src/ops_fn_mut.rs:8:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T, Args> OpsFnMut<Args> for T where T: FnMut<Args> {}
[INFO] [stdout]   |                                             ^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]   |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]  --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T, Args> OpsFnMut<Args> for T where T: FnMut<Args>, Args: std::marker::Tuple {}
[INFO] [stdout]   |                                                        ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/ops_fn_once.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T, Args> OpsFnOnce<Args> for T where T: FnOnce<Args> {}
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T, Args> OpsFnOnce<Args> for T where T: FnOnce<Args>, Args: std::marker::Tuple {}
[INFO] [stdout]    |                                                          ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T, Args> Fn<Args> for Not<T>
[INFO] [stdout]    |               ^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Output = <T::Output as ops::Not>::Output;
[INFO] [stdout]    |                    ^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     extern "rust-call" fn call(&self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     T: FnOnce<Args> + Sized,
[INFO] [stdout]    |        ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T, Args, O> FnOnce<Args> for NotMut<T>
[INFO] [stdout]    |                  ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     T: FnMut<Args> + Sized,
[INFO] [stdout]    |        ^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     T: Fn<Args> + Sized,
[INFO] [stdout]    |        ^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     T::Output: ops::Not, Args: std::marker::Tuple
[INFO] [stdout]    |                          ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<T, Args, O> FnMut<Args> for NotMut<T>
[INFO] [stdout]    |                  ^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     T: FnMut<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                 ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: FnOnce<Args, Output = O>,
[INFO] [stdout]    |                     ^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     T: FnMut<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                 ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     T: FnMut<Args, Output = O>,
[INFO] [stdout]    |                    ^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     T: FnMut<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                 ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<T, Args, O> FnOnce<Args> for NotOnce<T>
[INFO] [stdout]    |                  ^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |     T: FnOnce<Args, Output = O>,
[INFO] [stdout]    |                     ^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/not.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     extern "rust-call" fn call_once(self, args: Args) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     T: FnOnce<Args, Output = O>, Args: std::marker::Tuple
[INFO] [stdout]    |                                  ++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]  --> src/ops_fn.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Self: Fn<Args>,
[INFO] [stdout]   |               ^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]   |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]  --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait OpsFn<Args: std::marker::Tuple> {
[INFO] [stdout]   |                     ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]   --> src/ops_fn.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T, Args> OpsFn<Args> for T where T: Fn<Args> {}
[INFO] [stdout]    |                                          ^^^^^^^^ the trait `Tuple` is not implemented for `Args`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]   --> /rustc/8a65ee08296b36342bf7c3cdc15312ccbc357227/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider further restricting type parameter `Args` with unstable trait `Tuple`
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T, Args> OpsFn<Args> for T where T: Fn<Args>, Args: std::marker::Tuple {}
[INFO] [stdout]    |                                                  ++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ops-on-fn` (lib) due to 23 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ops-on-fn` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "e273d09863406b96ce5ee82b528fa32e6593b513bd15a11911f67aff2bd1d7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e273d09863406b96ce5ee82b528fa32e6593b513bd15a11911f67aff2bd1d7ac", kill_on_drop: false }`
[INFO] [stdout] e273d09863406b96ce5ee82b528fa32e6593b513bd15a11911f67aff2bd1d7ac
