[INFO] cloning repository https://github.com/RFurina/free-tuple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RFurina/free-tuple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRFurina%2Ffree-tuple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRFurina%2Ffree-tuple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37db401f0e9e88d19b59619059f55c13355a0893
[INFO] checking RFurina/free-tuple against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRFurina%2Ffree-tuple" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/RFurina/free-tuple
[INFO] finished tweaking git repo https://github.com/RFurina/free-tuple
[INFO] tweaked toml for git repo https://github.com/RFurina/free-tuple written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RFurina/free-tuple on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RFurina/free-tuple 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643
[INFO] running `Command { std: "docker" "start" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking tuple-index v0.2.0 (/opt/rustwide/workdir/tuple-index)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tuple-index/src/lib.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |         }).collect::<Vec<_>>();;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swapped_generics`
[INFO] [stdout]   --> tuple-index/src/lib.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let (swapped_generics, new_tuple_type) = if idx == 0 {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_swapped_generics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple_elements`
[INFO] [stdout]   --> tuple-index/src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let tuple_elements = (0..n).map(|i|{
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tuple-index/src/lib.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |         }).collect::<Vec<_>>();;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swapped_generics`
[INFO] [stdout]   --> tuple-index/src/lib.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let (swapped_generics, new_tuple_type) = if idx == 0 {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_swapped_generics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple_elements`
[INFO] [stdout]   --> tuple-index/src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let tuple_elements = (0..n).map(|i|{
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tuple-index/src/lib.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |         }).collect::<Vec<_>>();;
[INFO] [stdout]    |                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swapped_generics`
[INFO] [stdout]   --> tuple-index/src/lib.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let (swapped_generics, new_tuple_type) = if idx == 0 {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_swapped_generics`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple_elements`
[INFO] [stdout]   --> tuple-index/src/lib.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let tuple_elements = (0..n).map(|i|{
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking free-tuple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(min_generic_const_args)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.100.0
[INFO] [stdout]   = note: renamed to `gca_min_const_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(min_generic_const_args)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.100.0
[INFO] [stdout]   = note: renamed to `gca_min_const_items`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::mem::type_info::Field`
[INFO] [stdout]  --> src/lib.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use core::mem::type_info::{Field, Type, TypeKind};
[INFO] [stdout]   |                            ^^^^^ no `Field` in `mem::type_info`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this trait instead:
[INFO] [stdout]           std::field::Field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::mem::type_info::Field`
[INFO] [stdout]  --> src/lib.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use core::mem::type_info::{Field, Type, TypeKind};
[INFO] [stdout]   |                            ^^^^^ no `Field` in `mem::type_info`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this trait instead:
[INFO] [stdout]           std::field::Field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0532]: expected tuple struct or tuple variant, found unit variant `TypeKind::Tuple`
[INFO] [stdout]   --> src/lib.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let TypeKind::Tuple(tuple) = type_info.kind else { panic!("not a tuple") };
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use this syntax instead: `TypeKind::Tuple`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/mem/type_info.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeKind::Tuple` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0532]: expected tuple struct or tuple variant, found unit variant `TypeKind::Tuple`
[INFO] [stdout]   --> src/lib.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let TypeKind::Tuple(tuple) = type_info.kind else { panic!("not a tuple") };
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use this syntax instead: `TypeKind::Tuple`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/mem/type_info.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeKind::Tuple` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: unbraced const blocks as const args are experimental
[INFO] [stdout]    --> src/lib.rs:40:22
[INFO] [stdout]     |
[INFO] [stdout]  38 | macro_rules! tuple_get {
[INFO] [stdout]  39 |     ($t:ty where $d:ty : $i:expr) => {
[INFO] [stdout]  40 |         TupleIndex::<const{ <$t as TupleType>::get_index::<$d>() }, $t>::index($i)
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |         let b = tuple_get!((i32, f64, &str, bool) where f64 : a);
[INFO] [stdout]     |                 ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #132980 <https://github.com/rust-lang/rust/issues/132980> for more information
[INFO] [stdout]     = help: add `#![feature(gca_min_const_items)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-09; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0532, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0532, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `free-tuple` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `free-tuple` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643", kill_on_drop: false }`
[INFO] [stdout] 424a459ecf1736a21e243ca6cee4496350d955abf4461f540cea9afa17f60643
