[INFO] cloning repository https://github.com/richardlett/VariadicMonoids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardlett/VariadicMonoids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardlett%2FVariadicMonoids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardlett%2FVariadicMonoids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00a2e1c90e2cccb33fba4a0aa0d949b338d976ef
[INFO] checking richardlett/VariadicMonoids against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardlett%2FVariadicMonoids" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richardlett/VariadicMonoids
[INFO] finished tweaking git repo https://github.com/richardlett/VariadicMonoids
[INFO] tweaked toml for git repo https://github.com/richardlett/VariadicMonoids written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richardlett/VariadicMonoids on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/richardlett/VariadicMonoids already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04a4718c476a84c7ee87cd9c4e91ed6b2964adef4602a8b8eaa7e92449596c8f
[INFO] running `Command { std: "docker" "start" "-a" "04a4718c476a84c7ee87cd9c4e91ed6b2964adef4602a8b8eaa7e92449596c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a4718c476a84c7ee87cd9c4e91ed6b2964adef4602a8b8eaa7e92449596c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a4718c476a84c7ee87cd9c4e91ed6b2964adef4602a8b8eaa7e92449596c8f", kill_on_drop: false }`
[INFO] [stdout] 04a4718c476a84c7ee87cd9c4e91ed6b2964adef4602a8b8eaa7e92449596c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57c061a46331d5e72c5dc198a11b07b66c9326ffc4a50617e522b88c92bcfaf0
[INFO] running `Command { std: "docker" "start" "-a" "57c061a46331d5e72c5dc198a11b07b66c9326ffc4a50617e522b88c92bcfaf0", kill_on_drop: false }`
[INFO] [stderr]     Checking tuple_list v0.1.2
[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: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[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 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.89.0
[INFO] [stdout]   = note: removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942
[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: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[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 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(unsized_locals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.89.0
[INFO] [stdout]   = note: removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942
[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/8c500c7cefd54fd11d57295f3771d576be9ee415/library/core/src/ops/function.rs:245:1
[INFO] [stdout] help: consider further restricting type parameter `I` with unstable trait `Tuple`
[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 type parameter `I` with unstable trait `Tuple`
[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/8c500c7cefd54fd11d57295f3771d576be9ee415/library/core/src/ops/function.rs:245:1
[INFO] [stdout] help: consider further restricting type parameter `I` with unstable trait `Tuple`
[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] 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 type parameter `I` with unstable trait `Tuple`
[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] [stderr] error: could not compile `variadic_monoids` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `variadic_monoids` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "57c061a46331d5e72c5dc198a11b07b66c9326ffc4a50617e522b88c92bcfaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c061a46331d5e72c5dc198a11b07b66c9326ffc4a50617e522b88c92bcfaf0", kill_on_drop: false }`
[INFO] [stdout] 57c061a46331d5e72c5dc198a11b07b66c9326ffc4a50617e522b88c92bcfaf0