[INFO] fetching crate mmtk 0.1.0...
[INFO] checking mmtk-0.1.0 against beta for pr-78714
[INFO] extracting crate mmtk 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mmtk 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmtk 0.1.0
[INFO] finished tweaking crates.io crate mmtk 0.1.0
[INFO] tweaked toml for crates.io crate mmtk 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1963f4cff20aa4f6d3ef4c208479fd20876fbbd8199f1bd524fdff34f06b92d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1963f4cff20aa4f6d3ef4c208479fd20876fbbd8199f1bd524fdff34f06b92d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1963f4cff20aa4f6d3ef4c208479fd20876fbbd8199f1bd524fdff34f06b92d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1963f4cff20aa4f6d3ef4c208479fd20876fbbd8199f1bd524fdff34f06b92d7", kill_on_drop: false }`
[INFO] [stdout] 1963f4cff20aa4f6d3ef4c208479fd20876fbbd8199f1bd524fdff34f06b92d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08efedb7fde7d5ef4e9043a3423c0d36325cc64bd9023f5f48fb257c4d2fd230
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08efedb7fde7d5ef4e9043a3423c0d36325cc64bd9023f5f48fb257c4d2fd230", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling atomic-traits v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]     Checking mmtk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]  --> src/util/alloc/allocator.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]  --> src/util/alloc/allocators.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::largeobjectspace`
[INFO] [stdout]  --> src/util/alloc/allocators.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::policy::largeobjectspace::LargeObjectSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ could not find `largeobjectspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]   --> src/util/alloc/bumpallocator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]  --> src/util/alloc/large_object_allocator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::largeobjectspace`
[INFO] [stdout]  --> src/util/alloc/large_object_allocator.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::policy::largeobjectspace::LargeObjectSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ could not find `largeobjectspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]   --> src/mm/memory_manager.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::plan::selected_plan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^-------------
[INFO] [stdout]    |     |            |
[INFO] [stdout]    |     |            help: a similar name exists in the module: `SelectedPlan`
[INFO] [stdout]    |     no `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::immortalspace`
[INFO] [stdout]  --> src/plan/global.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::policy::immortalspace::ImmortalSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^ could not find `immortalspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::largeobjectspace`
[INFO] [stdout]  --> src/plan/global.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::policy::largeobjectspace::LargeObjectSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ could not find `largeobjectspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::selected_plan`
[INFO] [stdout]   --> src/plan/mod.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub use self::selected_plan::SelectedConstraints;
[INFO] [stdout]    |               ^^^^^^^^^^^^^ could not find `selected_plan` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::selected_plan`
[INFO] [stdout]   --> src/plan/mod.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub use self::selected_plan::SelectedPlan;
[INFO] [stdout]    |               ^^^^^^^^^^^^^ could not find `selected_plan` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::plan::selected_plan`, `crate::plan::SelectedConstraints`, `crate::plan::SelectedPlan`, `crate::SelectedPlan`, `crate::plan::SelectedPlan`, `crate::plan::SelectedPlan`
[INFO] [stdout]   --> src/lib.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub use crate::plan::selected_plan::{SelectedConstraints, SelectedPlan};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/util/header_byte.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::plan::SelectedConstraints;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/mmtk.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use crate::plan::SelectedPlan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/scheduler/mmtk_context.rs:4:32
[INFO] [stdout]    |
[INFO] [stdout] 4  | use crate::{CopyContext, Plan, SelectedPlan, MMTK};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/vm/active_plan.rs:1:25
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::plan::{Plan, SelectedPlan};
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/vm/scanning.rs:1:28
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::plan::{Mutator, SelectedPlan, TransitiveClosure};
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]  --> src/util/alloc/allocator.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]  --> src/util/alloc/allocators.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::largeobjectspace`
[INFO] [stdout]  --> src/util/alloc/allocators.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::policy::largeobjectspace::LargeObjectSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ could not find `largeobjectspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]   --> src/util/alloc/bumpallocator.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]  --> src/util/alloc/large_object_allocator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::plan::selected_plan::SelectedPlan;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::largeobjectspace`
[INFO] [stdout]  --> src/util/alloc/large_object_allocator.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::policy::largeobjectspace::LargeObjectSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ could not find `largeobjectspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::plan::selected_plan`
[INFO] [stdout]   --> src/mm/memory_manager.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::plan::selected_plan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^-------------
[INFO] [stdout]    |     |            |
[INFO] [stdout]    |     |            help: a similar name exists in the module: `SelectedPlan`
[INFO] [stdout]    |     no `selected_plan` in `plan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::immortalspace`
[INFO] [stdout]  --> src/plan/global.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::policy::immortalspace::ImmortalSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^ could not find `immortalspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::policy::largeobjectspace`
[INFO] [stdout]  --> src/plan/global.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::policy::largeobjectspace::LargeObjectSpace;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ could not find `largeobjectspace` in `policy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::selected_plan`
[INFO] [stdout]   --> src/plan/mod.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub use self::selected_plan::SelectedConstraints;
[INFO] [stdout]    |               ^^^^^^^^^^^^^ could not find `selected_plan` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::selected_plan`
[INFO] [stdout]   --> src/plan/mod.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub use self::selected_plan::SelectedPlan;
[INFO] [stdout]    |               ^^^^^^^^^^^^^ could not find `selected_plan` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::plan::selected_plan`, `crate::plan::SelectedConstraints`, `crate::plan::SelectedPlan`, `crate::SelectedPlan`, `crate::plan::SelectedPlan`, `crate::plan::SelectedPlan`
[INFO] [stdout]   --> src/lib.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub use crate::plan::selected_plan::{SelectedConstraints, SelectedPlan};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ could not find `selected_plan` in `plan`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/util/header_byte.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::plan::SelectedConstraints;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/mmtk.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use crate::plan::SelectedPlan;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/scheduler/mmtk_context.rs:4:32
[INFO] [stdout]    |
[INFO] [stdout] 4  | use crate::{CopyContext, Plan, SelectedPlan, MMTK};
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/vm/active_plan.rs:1:25
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::plan::{Plan, SelectedPlan};
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/vm/scanning.rs:1:28
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::plan::{Mutator, SelectedPlan, TransitiveClosure};
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SelectedPlan`
[INFO] [stdout]   --> src/mm/memory_manager.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     SelectedPlan::bind_mutator(&mmtk.plan, tls, mmtk)
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared type `SelectedPlan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SelectedPlan`
[INFO] [stdout]   --> src/mm/memory_manager.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     SelectedPlan::bind_mutator(&mmtk.plan, tls, mmtk)
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared type `SelectedPlan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 | ) -> Box<Mutator<SelectedPlan<VM>>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:73:60
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn destroy_mutator<VM: VMBinding>(mutator: Box<Mutator<SelectedPlan<VM>>>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:81:59
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn flush_mutator<VM: VMBinding>(mutator: &mut Mutator<SelectedPlan<VM>>) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     mutator: &mut Mutator<SelectedPlan<VM>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]    --> src/mm/memory_manager.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     mutator: &mut Mutator<SelectedPlan<VM>>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(arbitrary_self_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(associated_type_defaults)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(trait_alias)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 | ) -> Box<Mutator<SelectedPlan<VM>>> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:73:60
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn destroy_mutator<VM: VMBinding>(mutator: Box<Mutator<SelectedPlan<VM>>>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:81:59
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn flush_mutator<VM: VMBinding>(mutator: &mut Mutator<SelectedPlan<VM>>) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]   --> src/mm/memory_manager.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     mutator: &mut Mutator<SelectedPlan<VM>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SelectedPlan` in this scope
[INFO] [stdout]    --> src/mm/memory_manager.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     mutator: &mut Mutator<SelectedPlan<VM>>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(arbitrary_self_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(associated_type_defaults)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(trait_alias)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `VM` is never used
[INFO] [stdout]   --> src/util/alloc/large_object_allocator.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LargeObjectAllocator<VM: VMBinding> {
[INFO] [stdout]    |                                 ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `VM`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `VM` is never used
[INFO] [stdout]   --> src/scheduler/gc_works.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct PrepareMutator<VM: VMBinding> {
[INFO] [stdout]    |                           ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `VM`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `VM` is never used
[INFO] [stdout]    --> src/scheduler/gc_works.rs:112:27
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct ReleaseMutator<VM: VMBinding> {
[INFO] [stdout]     |                           ^^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `VM`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `Edges` is never used
[INFO] [stdout]    --> src/scheduler/gc_works.rs:229:26
[INFO] [stdout]     |
[INFO] [stdout] 229 | pub struct ScanStackRoot<Edges: ProcessEdgesWork>(
[INFO] [stdout]     |                          ^^^^^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `Edges`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 35 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412, E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmtk`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0392]: parameter `VM` is never used
[INFO] [stdout]   --> src/util/alloc/large_object_allocator.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LargeObjectAllocator<VM: VMBinding> {
[INFO] [stdout]    |                                 ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `VM`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `VM` is never used
[INFO] [stdout]   --> src/scheduler/gc_works.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct PrepareMutator<VM: VMBinding> {
[INFO] [stdout]    |                           ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `VM`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `VM` is never used
[INFO] [stdout]    --> src/scheduler/gc_works.rs:112:27
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct ReleaseMutator<VM: VMBinding> {
[INFO] [stdout]     |                           ^^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `VM`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `Edges` is never used
[INFO] [stdout]    --> src/scheduler/gc_works.rs:229:26
[INFO] [stdout]     |
[INFO] [stdout] 229 | pub struct ScanStackRoot<Edges: ProcessEdgesWork>(
[INFO] [stdout]     |                          ^^^^^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `Edges`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 35 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412, E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "08efedb7fde7d5ef4e9043a3423c0d36325cc64bd9023f5f48fb257c4d2fd230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08efedb7fde7d5ef4e9043a3423c0d36325cc64bd9023f5f48fb257c4d2fd230", kill_on_drop: false }`
[INFO] [stdout] 08efedb7fde7d5ef4e9043a3423c0d36325cc64bd9023f5f48fb257c4d2fd230