[INFO] cloning repository https://github.com/Avi-D-coder/gc-gat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Avi-D-coder/gc-gat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-gat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-gat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 666e6c9c5cf47e35153d6c10e988cb0bb9025f16
[INFO] checking Avi-D-coder/gc-gat against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-gat" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Avi-D-coder/gc-gat
[INFO] finished tweaking git repo https://github.com/Avi-D-coder/gc-gat
[INFO] tweaked toml for git repo https://github.com/Avi-D-coder/gc-gat written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Avi-D-coder/gc-gat on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Avi-D-coder/gc-gat 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a2e1082c4c6831bffec3971fa121a9db7e0f25d950c390d82e1b84fd9028c3a
[INFO] running `Command { std: "docker" "start" "-a" "0a2e1082c4c6831bffec3971fa121a9db7e0f25d950c390d82e1b84fd9028c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a2e1082c4c6831bffec3971fa121a9db7e0f25d950c390d82e1b84fd9028c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2e1082c4c6831bffec3971fa121a9db7e0f25d950c390d82e1b84fd9028c3a", kill_on_drop: false }`
[INFO] [stdout] 0a2e1082c4c6831bffec3971fa121a9db7e0f25d950c390d82e1b84fd9028c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb926467fb9169be6ba3f078f81a7f7a25af21e533da5abdf2fd14c99c13acae
[INFO] running `Command { std: "docker" "start" "-a" "fb926467fb9169be6ba3f078f81a7f7a25af21e533da5abdf2fd14c99c13acae", kill_on_drop: false }`
[INFO] [stderr]     Checking gc-gat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.50.0; see <https://github.com/rust-lang/rust/pull/79336> for more information
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![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[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub unsafe auto trait NoGc {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-29; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub unsafe auto trait Immutable {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-29; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub auto trait NotDerived {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-29; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[may_dangle]` must be applied to a lifetime or type generic parameter in `Drop` impl
[INFO] [stdout]   --> src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 | type Of<'a, #[may_dangle] T> = <T as Life>::L<'a>;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[may_dangle]` must be applied to a lifetime or type generic parameter in `Drop` impl
[INFO] [stdout]    --> src/main.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Arena<#[may_dangle] A>(Vec<A>);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[may_dangle]` must be applied to a lifetime or type generic parameter in `Drop` impl
[INFO] [stdout]    --> src/main.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl<#[may_dangle] T: Life> Arena<T> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for associated type `Life::L`
[INFO] [stdout]    --> src/main.rs:250:37
[INFO] [stdout]     |
[INFO] [stdout] 250 |     impl<'r, T: Life + Clone + Life<L = T>> List<'r, T> {
[INFO] [stdout]     |                                     ^ expected 1 lifetime argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated type defined here, with 1 lifetime parameter: `'l`
[INFO] [stdout]    --> src/main.rs:20:10
[INFO] [stdout]     |
[INFO] [stdout]  20 |     type L<'l>: 'l + Life;
[INFO] [stdout]     |          ^ --
[INFO] [stdout] help: add missing lifetime argument
[INFO] [stdout]     |
[INFO] [stdout] 250 |     impl<'r, T: Life + Clone + Life<L<'r> = T>> List<'r, T> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc-gat` (bin "gc-gat") due to 11 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0366]: `!NoGc` impls cannot be specialized
[INFO] [stdout]    --> src/main.rs:219:1
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<T> !NoGc for BTreeSet<T> {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `std::alloc::Global` is not a generic parameter
[INFO] [stdout] note: use the same sequence of generic lifetime, type and const parameters as the struct definition
[INFO] [stdout]    --> /rustc/292be5c7c05138d753bbd4b30db7a3f1a5c914f7/library/alloc/src/collections/btree/set.rs:78:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0367]: `!Immutable` impl requires `T: Sized` but the struct it is implemented for does not
[INFO] [stdout]    --> src/main.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |     impl<T> !Immutable for UnsafeCell<T> {}
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] note: the implementor must specify the same requirement
[INFO] [stdout]    --> /rustc/292be5c7c05138d753bbd4b30db7a3f1a5c914f7/library/core/src/cell.rs:2289:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0366, E0367, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.50.0; see <https://github.com/rust-lang/rust/pull/79336> for more information
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![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[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub unsafe auto trait NoGc {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-29; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub unsafe auto trait Immutable {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-29; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]    --> src/main.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub auto trait NotDerived {}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout]     = help: add `#![feature(auto_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-29; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[may_dangle]` must be applied to a lifetime or type generic parameter in `Drop` impl
[INFO] [stdout]   --> src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 | type Of<'a, #[may_dangle] T> = <T as Life>::L<'a>;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[may_dangle]` must be applied to a lifetime or type generic parameter in `Drop` impl
[INFO] [stdout]    --> src/main.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Arena<#[may_dangle] A>(Vec<A>);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[may_dangle]` must be applied to a lifetime or type generic parameter in `Drop` impl
[INFO] [stdout]    --> src/main.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl<#[may_dangle] T: Life> Arena<T> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for associated type `Life::L`
[INFO] [stdout]    --> src/main.rs:250:37
[INFO] [stdout]     |
[INFO] [stdout] 250 |     impl<'r, T: Life + Clone + Life<L = T>> List<'r, T> {
[INFO] [stdout]     |                                     ^ expected 1 lifetime argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated type defined here, with 1 lifetime parameter: `'l`
[INFO] [stdout]    --> src/main.rs:20:10
[INFO] [stdout]     |
[INFO] [stdout]  20 |     type L<'l>: 'l + Life;
[INFO] [stdout]     |          ^ --
[INFO] [stdout] help: add missing lifetime argument
[INFO] [stdout]     |
[INFO] [stdout] 250 |     impl<'r, T: Life + Clone + Life<L<'r> = T>> List<'r, T> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0366]: `!NoGc` impls cannot be specialized
[INFO] [stdout]    --> src/main.rs:219:1
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl<T> !NoGc for BTreeSet<T> {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `std::alloc::Global` is not a generic parameter
[INFO] [stdout] note: use the same sequence of generic lifetime, type and const parameters as the struct definition
[INFO] [stdout]    --> /rustc/292be5c7c05138d753bbd4b30db7a3f1a5c914f7/library/alloc/src/collections/btree/set.rs:78:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0367]: `!Immutable` impl requires `T: Sized` but the struct it is implemented for does not
[INFO] [stdout]    --> src/main.rs:197:10
[INFO] [stdout]     |
[INFO] [stdout] 197 |     impl<T> !Immutable for UnsafeCell<T> {}
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] note: the implementor must specify the same requirement
[INFO] [stdout]    --> /rustc/292be5c7c05138d753bbd4b30db7a3f1a5c914f7/library/core/src/cell.rs:2289:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0366, E0367, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc-gat` (bin "gc-gat" test) due to 11 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fb926467fb9169be6ba3f078f81a7f7a25af21e533da5abdf2fd14c99c13acae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb926467fb9169be6ba3f078f81a7f7a25af21e533da5abdf2fd14c99c13acae", kill_on_drop: false }`
[INFO] [stdout] fb926467fb9169be6ba3f078f81a7f7a25af21e533da5abdf2fd14c99c13acae
