[INFO] fetching crate variadic_monoids 0.1.1... [INFO] building variadic_monoids-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate variadic_monoids 0.1.1 into /workspace/builds/worker-0-tc2/source [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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate variadic_monoids 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f30a66e8e0292db59820ca8f410003ab3047eb2176c0bafdc3ee9a035e231c9 [INFO] running `Command { std: "docker" "start" "-a" "3f30a66e8e0292db59820ca8f410003ab3047eb2176c0bafdc3ee9a035e231c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f30a66e8e0292db59820ca8f410003ab3047eb2176c0bafdc3ee9a035e231c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f30a66e8e0292db59820ca8f410003ab3047eb2176c0bafdc3ee9a035e231c9", kill_on_drop: false }` [INFO] [stdout] 3f30a66e8e0292db59820ca8f410003ab3047eb2176c0bafdc3ee9a035e231c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72ab0f724cde23bdbb368901118adb3336a162e5eebc6802757adac5a4c9aae2 [INFO] running `Command { std: "docker" "start" "-a" "72ab0f724cde23bdbb368901118adb3336a162e5eebc6802757adac5a4c9aae2", kill_on_drop: false }` [INFO] [stderr] Compiling tuple_list v0.1.3 [INFO] [stderr] Compiling 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 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 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 FnOnce for VariFunc [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/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/ops/function.rs:242:1 [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] 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 5 previous errors [INFO] running `Command { std: "docker" "inspect" "72ab0f724cde23bdbb368901118adb3336a162e5eebc6802757adac5a4c9aae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72ab0f724cde23bdbb368901118adb3336a162e5eebc6802757adac5a4c9aae2", kill_on_drop: false }` [INFO] [stdout] 72ab0f724cde23bdbb368901118adb3336a162e5eebc6802757adac5a4c9aae2