[INFO] fetching crate concgc 0.1.1...
[INFO] checking concgc-0.1.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate concgc 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate concgc 0.1.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concgc 0.1.1
[INFO] finished tweaking crates.io crate concgc 0.1.1
[INFO] tweaked toml for crates.io crate concgc 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_deref v1.1.1
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25f0d10515a404ea920af79a2e40309bbd4209535cfdc75d6b9e0a178c7734c8
[INFO] running `Command { std: "docker" "start" "-a" "25f0d10515a404ea920af79a2e40309bbd4209535cfdc75d6b9e0a178c7734c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f0d10515a404ea920af79a2e40309bbd4209535cfdc75d6b9e0a178c7734c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f0d10515a404ea920af79a2e40309bbd4209535cfdc75d6b9e0a178c7734c8", kill_on_drop: false }`
[INFO] [stdout] 25f0d10515a404ea920af79a2e40309bbd4209535cfdc75d6b9e0a178c7734c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612fc4c268910c05e6eed13514c72ab3f137a8ce1094e58a4fcd9e9f25092f0a
[INFO] running `Command { std: "docker" "start" "-a" "612fc4c268910c05e6eed13514c72ab3f137a8ce1094e58a4fcd9e9f25092f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking concgc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             box *self
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 194 |             Box::new(*self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             box *self
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 194 |             Box::new(*self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |             box *self
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 197 |             Box::new(*self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |             box *self
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 197 |             Box::new(*self)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:250:58
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 space: Mutex::new(Box::into_raw_non_null(Box::new(AutoGcSpace::new()))),
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:250:58
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 space: Mutex::new(Box::into_raw_non_null(Box::new(AutoGcSpace::new()))),
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |               let ptr = Box::into_raw_non_null(box GcInner {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 250 | |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 251 | |                 data: x,
[INFO] [stdout] 252 | |             });
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 249 ~             let ptr = Box::into_raw_non_null(Box::new(GcInner {
[INFO] [stdout] 250 +                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 251 +                 data: x,
[INFO] [stdout] 252 ~             }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:249:46
[INFO] [stdout]     |
[INFO] [stdout] 249 |               let ptr = Box::into_raw_non_null(box GcInner {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 250 | |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 251 | |                 data: x,
[INFO] [stdout] 252 | |             });
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 249 ~             let ptr = Box::into_raw_non_null(Box::new(GcInner {
[INFO] [stdout] 250 +                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 251 +                 data: x,
[INFO] [stdout] 252 ~             }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:498:53
[INFO] [stdout]     |
[INFO] [stdout] 498 |   ...                   let mut tracer = Tracer(box |v: Box<dyn AnyGc>| {
[INFO] [stdout]     |  _______________________________________________^
[INFO] [stdout] 499 | | ...                       let hashable_v = HashableAnyGc(v.clone_as_any());
[INFO] [stdout] 500 | | ...                       if !marked.contains(&hashable_v) {
[INFO] [stdout] 501 | | ...                           to_mark_set.insert(hashable_v);
[INFO] [stdout] 502 | | ...                       }
[INFO] [stdout] 503 | | ...                   });
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 498 ~                             let mut tracer = Tracer(Box::new(|v: Box<dyn AnyGc>| {
[INFO] [stdout] 499 +                                 let hashable_v = HashableAnyGc(v.clone_as_any());
[INFO] [stdout] 500 +                                 if !marked.contains(&hashable_v) {
[INFO] [stdout] 501 +                                     to_mark_set.insert(hashable_v);
[INFO] [stdout] 502 +                                 }
[INFO] [stdout] 503 ~                             }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:583:13
[INFO] [stdout]     |
[INFO] [stdout] 583 | /             box Root {
[INFO] [stdout] 584 | |                 ptr: self.ptr,
[INFO] [stdout] 585 | |                 phantom: PhantomData,
[INFO] [stdout] 586 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 583 ~             Box::new(Root {
[INFO] [stdout] 584 +                 ptr: self.ptr,
[INFO] [stdout] 585 +                 phantom: PhantomData,
[INFO] [stdout] 586 +             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 | /             box Root {
[INFO] [stdout] 590 | |                 ptr: self.ptr,
[INFO] [stdout] 591 | |                 phantom: PhantomData,
[INFO] [stdout] 592 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 589 ~             Box::new(Root {
[INFO] [stdout] 590 +                 ptr: self.ptr,
[INFO] [stdout] 591 +                 phantom: PhantomData,
[INFO] [stdout] 592 +             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:498:53
[INFO] [stdout]     |
[INFO] [stdout] 498 |   ...                   let mut tracer = Tracer(box |v: Box<dyn AnyGc>| {
[INFO] [stdout]     |  _______________________________________________^
[INFO] [stdout] 499 | | ...                       let hashable_v = HashableAnyGc(v.clone_as_any());
[INFO] [stdout] 500 | | ...                       if !marked.contains(&hashable_v) {
[INFO] [stdout] 501 | | ...                           to_mark_set.insert(hashable_v);
[INFO] [stdout] 502 | | ...                       }
[INFO] [stdout] 503 | | ...                   });
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 498 ~                             let mut tracer = Tracer(Box::new(|v: Box<dyn AnyGc>| {
[INFO] [stdout] 499 +                                 let hashable_v = HashableAnyGc(v.clone_as_any());
[INFO] [stdout] 500 +                                 if !marked.contains(&hashable_v) {
[INFO] [stdout] 501 +                                     to_mark_set.insert(hashable_v);
[INFO] [stdout] 502 +                                 }
[INFO] [stdout] 503 ~                             }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:638:58
[INFO] [stdout]     |
[INFO] [stdout] 638 |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 638 |                 space: Mutex::new(Box::into_raw_non_null(Box::new(AutoGcSpace::new()))),
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:583:13
[INFO] [stdout]     |
[INFO] [stdout] 583 | /             box Root {
[INFO] [stdout] 584 | |                 ptr: self.ptr,
[INFO] [stdout] 585 | |                 phantom: PhantomData,
[INFO] [stdout] 586 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 583 ~             Box::new(Root {
[INFO] [stdout] 584 +                 ptr: self.ptr,
[INFO] [stdout] 585 +                 phantom: PhantomData,
[INFO] [stdout] 586 +             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:637:46
[INFO] [stdout]     |
[INFO] [stdout] 637 |               let ptr = Box::into_raw_non_null(box RootInner {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 638 | |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 639 | |                 data: x,
[INFO] [stdout] 640 | |             });
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 637 ~             let ptr = Box::into_raw_non_null(Box::new(RootInner {
[INFO] [stdout] 638 +                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 639 +                 data: x,
[INFO] [stdout] 640 ~             }));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 | /             box Root {
[INFO] [stdout] 590 | |                 ptr: self.ptr,
[INFO] [stdout] 591 | |                 phantom: PhantomData,
[INFO] [stdout] 592 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 589 ~             Box::new(Root {
[INFO] [stdout] 590 +                 ptr: self.ptr,
[INFO] [stdout] 591 +                 phantom: PhantomData,
[INFO] [stdout] 592 +             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:638:58
[INFO] [stdout]     |
[INFO] [stdout] 638 |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 638 |                 space: Mutex::new(Box::into_raw_non_null(Box::new(AutoGcSpace::new()))),
[INFO] [stdout]     |                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:637:46
[INFO] [stdout]     |
[INFO] [stdout] 637 |               let ptr = Box::into_raw_non_null(box RootInner {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 638 | |                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 639 | |                 data: x,
[INFO] [stdout] 640 | |             });
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 637 ~             let ptr = Box::into_raw_non_null(Box::new(RootInner {
[INFO] [stdout] 638 +                 space: Mutex::new(Box::into_raw_non_null(box AutoGcSpace::new())),
[INFO] [stdout] 639 +                 data: x,
[INFO] [stdout] 640 ~             }));
[INFO] [stdout]     |
[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(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[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(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]  --> src/lib.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![allow(private_in_public)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]  --> src/lib.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![allow(private_in_public)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `box_into_raw_non_null`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(box_into_raw_non_null)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `box_into_raw_non_null`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(box_into_raw_non_null)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `std::boxed::Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:249:28
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let ptr = Box::into_raw_non_null(box GcInner {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::boxed::Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       std::boxed::Box::<T>::new
[INFO] [stdout]       std::boxed::Box::<T>::new_uninit
[INFO] [stdout]       std::boxed::Box::<T>::new_zeroed
[INFO] [stdout]       std::boxed::Box::<T>::try_new
[INFO] [stdout]       and 18 others
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/boxed.rs:217:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `std::boxed::Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:249:28
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let ptr = Box::into_raw_non_null(box GcInner {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::boxed::Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       std::boxed::Box::<T>::new
[INFO] [stdout]       std::boxed::Box::<T>::new_uninit
[INFO] [stdout]       std::boxed::Box::<T>::new_zeroed
[INFO] [stdout]       std::boxed::Box::<T>::try_new
[INFO] [stdout]       and 18 others
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/boxed.rs:217:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&T`
[INFO] [stdout]    --> src/lib.rs:509:39
[INFO] [stdout]     |
[INFO] [stdout] 509 | ...                   .map(|to_mark| *to_mark.get_space_nonnull_mutex().as_ref().lock())
[INFO] [stdout]     |                             ^^^^^^^           ----------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]     |
[INFO] [stdout] 509 |                                 .map(|to_mark: &T| *to_mark.get_space_nonnull_mutex().as_ref().lock())
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&T`
[INFO] [stdout]    --> src/lib.rs:509:39
[INFO] [stdout]     |
[INFO] [stdout] 509 | ...                   .map(|to_mark| *to_mark.get_space_nonnull_mutex().as_ref().lock())
[INFO] [stdout]     |                             ^^^^^^^           ----------------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]     |
[INFO] [stdout] 509 |                                 .map(|to_mark: &T| *to_mark.get_space_nonnull_mutex().as_ref().lock())
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `std::boxed::Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:637:28
[INFO] [stdout]     |
[INFO] [stdout] 637 |             let ptr = Box::into_raw_non_null(box RootInner {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::boxed::Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       std::boxed::Box::<T>::new
[INFO] [stdout]       std::boxed::Box::<T>::new_uninit
[INFO] [stdout]       std::boxed::Box::<T>::new_zeroed
[INFO] [stdout]       std::boxed::Box::<T>::try_new
[INFO] [stdout]       and 18 others
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/boxed.rs:217:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `libbare::Root<T>`
[INFO] [stdout]    --> src/lib.rs:641:17
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let result = Root {
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 650 |                     .add_root(result.clone_as_any());
[INFO] [stdout]     |                                      ------------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let result: libbare::Root<T> = Root {
[INFO] [stdout]     |                       ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `std::boxed::Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:637:28
[INFO] [stdout]     |
[INFO] [stdout] 637 |             let ptr = Box::into_raw_non_null(box RootInner {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::boxed::Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       std::boxed::Box::<T>::new
[INFO] [stdout]       std::boxed::Box::<T>::new_uninit
[INFO] [stdout]       std::boxed::Box::<T>::new_zeroed
[INFO] [stdout]       std::boxed::Box::<T>::try_new
[INFO] [stdout]       and 18 others
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/boxed.rs:217:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `libbare::Root<T>`
[INFO] [stdout]    --> src/lib.rs:641:17
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let result = Root {
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 650 |                     .add_root(result.clone_as_any());
[INFO] [stdout]     |                                      ------------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let result: libbare::Root<T> = Root {
[INFO] [stdout]     |                       ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concgc` (lib) due to 16 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 15 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concgc` (lib test) due to 16 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "612fc4c268910c05e6eed13514c72ab3f137a8ce1094e58a4fcd9e9f25092f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612fc4c268910c05e6eed13514c72ab3f137a8ce1094e58a4fcd9e9f25092f0a", kill_on_drop: false }`
[INFO] [stdout] 612fc4c268910c05e6eed13514c72ab3f137a8ce1094e58a4fcd9e9f25092f0a
