[INFO] fetching crate variadic_monoids 0.1.1...
[INFO] checking variadic_monoids-0.1.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate variadic_monoids 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate variadic_monoids 0.1.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variadic_monoids 0.1.1
[INFO] finished tweaking crates.io crate variadic_monoids 0.1.1
[INFO] tweaked toml for crates.io crate variadic_monoids 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuple_list v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb51cc55fb20909aa355ab2c7c70c3a2a4052a70a93b6e6b3dcf097852bc7d77
[INFO] running `Command { std: "docker" "start" "-a" "eb51cc55fb20909aa355ab2c7c70c3a2a4052a70a93b6e6b3dcf097852bc7d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb51cc55fb20909aa355ab2c7c70c3a2a4052a70a93b6e6b3dcf097852bc7d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb51cc55fb20909aa355ab2c7c70c3a2a4052a70a93b6e6b3dcf097852bc7d77", kill_on_drop: false }`
[INFO] [stdout] eb51cc55fb20909aa355ab2c7c70c3a2a4052a70a93b6e6b3dcf097852bc7d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11ec21c3d82c2644328e66f715f5650f599424f3e8d092d14eac89f6ce38384
[INFO] running `Command { std: "docker" "start" "-a" "c11ec21c3d82c2644328e66f715f5650f599424f3e8d092d14eac89f6ce38384", kill_on_drop: false }`
[INFO] [stderr]     Checking tuple_list v0.1.3
[INFO] [stderr]     Checking variadic_monoids v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/lib.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<I, T, N> FnOnce<I> for VariFunc<T, N>
[INFO] [stdout]    |               ^^^^^^^^^ the trait `std::marker::Tuple` is not implemented for `I`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 49 |     I: tuple_list::Tuple + 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/lib.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<I, T, N> FnOnce<I> for VariFunc<T, N>
[INFO] [stdout]    |               ^^^^^^^^^ the trait `std::marker::Tuple` is not implemented for `I`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 49 |     I: tuple_list::Tuple + std::marker::Tuple,
[INFO] [stdout]    |                          ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     extern "rust-call" fn call_once(self, args: I) -> T {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Tuple` is not implemented for `I`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 49 |     I: tuple_list::Tuple + std::marker::Tuple,
[INFO] [stdout]    |                          ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     extern "rust-call" fn call_once(self, args: I) -> T {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Tuple` is not implemented for `I`
[INFO] [stdout]    |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 49 |     I: tuple_list::Tuple + std::marker::Tuple,
[INFO] [stdout]    |                          ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0059, E0277, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0059`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0059, E0277, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0059`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `variadic_monoids` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `variadic_monoids` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c11ec21c3d82c2644328e66f715f5650f599424f3e8d092d14eac89f6ce38384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11ec21c3d82c2644328e66f715f5650f599424f3e8d092d14eac89f6ce38384", kill_on_drop: false }`
[INFO] [stdout] c11ec21c3d82c2644328e66f715f5650f599424f3e8d092d14eac89f6ce38384