[INFO] fetching crate mmtk 0.21.0...
[INFO] checking mmtk-0.21.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mmtk 0.21.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mmtk 0.21.0 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate mmtk 0.21.0
[INFO] finished tweaking crates.io crate mmtk 0.21.0
[INFO] tweaked toml for crates.io crate mmtk 0.21.0 written to /workspace/builds/worker-7-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 mmtk-macros v0.21.0
[INFO] [stderr]   Downloaded probe v0.5.1
[INFO] [stderr]   Downloaded pfm v0.1.2
[INFO] [stderr]   Downloaded atomic-traits v0.3.0
[INFO] [stderr]   Downloaded enum-map v2.7.3
[INFO] [stderr]   Downloaded rustc_version v0.3.3
[INFO] [stderr]   Downloaded built v0.6.0
[INFO] [stderr]   Downloaded delegate v0.9.0
[INFO] [stderr]   Downloaded enum-map-derive v0.17.0
[INFO] [stderr]   Downloaded perf-event-open-sys v4.0.0
[INFO] [stderr]   Downloaded mimalloc-sys v0.1.6
[INFO] [stderr]   Downloaded jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]   Downloaded pfm-sys v0.0.18+libpfm4.13.0-42d6d0c3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7371b88f1b8b5c79b1070681e3fd4e9bf79d74c940d8d008ea6ca5c5dce4e7a9
[INFO] running `Command { std: "docker" "start" "-a" "7371b88f1b8b5c79b1070681e3fd4e9bf79d74c940d8d008ea6ca5c5dce4e7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7371b88f1b8b5c79b1070681e3fd4e9bf79d74c940d8d008ea6ca5c5dce4e7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7371b88f1b8b5c79b1070681e3fd4e9bf79d74c940d8d008ea6ca5c5dce4e7a9", kill_on_drop: false }`
[INFO] [stdout] 7371b88f1b8b5c79b1070681e3fd4e9bf79d74c940d8d008ea6ca5c5dce4e7a9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a268d33819df836c7964ecb1be4f27e3446227c4beba85748d39ac897339b7a0
[INFO] running `Command { std: "docker" "start" "-a" "a268d33819df836c7964ecb1be4f27e3446227c4beba85748d39ac897339b7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sysinfo v0.29.11
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling delegate v0.9.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking probe v0.5.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling mmtk-macros v0.21.0
[INFO] [stderr]     Checking enum-map v2.7.3
[INFO] [stderr]    Compiling pest v2.7.8
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling atomic-traits v0.3.0
[INFO] [stderr]    Compiling git2 v0.16.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]    Compiling built v0.6.0
[INFO] [stderr]    Compiling mmtk v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]   --> src/mmtk.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::default::Default;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Default` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]    --> src/policy/sft_map.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ordering` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 295 |     use std::sync::atomic::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/policy/sft_map.rs:413:17
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 /// Empty space is at index 0
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 414 |                 sft: vec![SFTRefStorage::default()],
[INFO] [stdout]     |                 ----------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metadata::*`
[INFO] [stdout]  --> src/policy/marksweepspace/malloc_ms/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use metadata::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VMBinding` is imported redundantly
[INFO] [stdout]    --> src/plan/global.rs:629:5
[INFO] [stdout]     |
[INFO] [stdout] 28  | use crate::vm::*;
[INFO] [stdout]     |     ------------ the item `VMBinding` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 629 | use crate::vm::VMBinding;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/plan/immix/global.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     /// Max immix object size is half of a block.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     max_non_los_default_alloc_bytes: crate::policy::immix::MAX_IMMIX_OBJECT_SIZE,
[INFO] [stdout]    |     ---------------------------------------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PlanProcessEdges` is imported redundantly
[INFO] [stdout]  --> src/plan/markcompact/gc_work.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::scheduler::gc_work::PlanProcessEdges;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | use crate::scheduler::gc_work::*;
[INFO] [stdout]   |     ---------------------------- the item `PlanProcessEdges` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `GCWorker` is imported redundantly
[INFO] [stdout]  --> src/scheduler/scheduler.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::worker::{GCWorker, GCWorkerShared, ThreadId, WorkerGroup, WorkerMonitor};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `GCWorker` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `WorkBucketStage` is imported redundantly
[INFO] [stdout]  --> src/scheduler/gc_work.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::work_bucket::WorkBucketStage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `WorkBucketStage` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MMTK` is imported redundantly
[INFO] [stdout]    --> src/scheduler/gc_work.rs:936:5
[INFO] [stdout]     |
[INFO] [stdout] 9   | use crate::*;
[INFO] [stdout]     |     -------- the item `MMTK` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 936 | use crate::mmtk::MMTK;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Plan` is imported redundantly
[INFO] [stdout]    --> src/scheduler/gc_work.rs:937:5
[INFO] [stdout]     |
[INFO] [stdout] 9   | use crate::*;
[INFO] [stdout]     |     -------- the item `Plan` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 937 | use crate::plan::Plan;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/util/options.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/util/reference_processor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PAGES_IN_CHUNK` is imported redundantly
[INFO] [stdout]   --> src/util/heap/freelistpageresource.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use super::layout::vm_layout::PAGES_IN_CHUNK;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use crate::util::heap::layout::vm_layout::*;
[INFO] [stdout]    |     --------------------------------------- the item `PAGES_IN_CHUNK` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/util/logger.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use log::{self, SetLoggerError};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::counter::Counter`
[INFO] [stdout]  --> src/util/statistics/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::counter::Counter;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Timer` is imported redundantly
[INFO] [stdout]  --> src/util/statistics/stats.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::statistics::counter::*;
[INFO] [stdout]   |     ----------------------------------- the item `Timer` is already imported here
[INFO] [stdout] 4 | use crate::util::statistics::Timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataOffset` is imported redundantly
[INFO] [stdout]    --> src/vm/object_model.rs:484:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |     use crate::util::metadata::side_metadata::*;
[INFO] [stdout]     |         --------------------------------------- the item `SideMetadataOffset` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 484 |         side_metadata::{SideMetadataOffset, SideMetadataSpec},
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataSpec` is imported redundantly
[INFO] [stdout]    --> src/vm/object_model.rs:484:45
[INFO] [stdout]     |
[INFO] [stdout] 481 |     use crate::util::metadata::side_metadata::*;
[INFO] [stdout]     |         --------------------------------------- the item `SideMetadataSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 484 |         side_metadata::{SideMetadataOffset, SideMetadataSpec},
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]   --> src/mmtk.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::default::Default;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Default` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vm_layout` is imported redundantly
[INFO] [stdout]    --> src/policy/sft_map.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use super::*;
[INFO] [stdout]     |             -------- the item `vm_layout` is already imported here
[INFO] [stdout] 251 |         use crate::util::heap::layout::heap_parameters::MAX_SPACES;
[INFO] [stdout] 252 |         use crate::util::heap::layout::vm_layout::vm_layout;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]    --> src/policy/sft_map.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ordering` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 295 |     use std::sync::atomic::Ordering;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/policy/sft_map.rs:413:17
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 /// Empty space is at index 0
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 414 |                 sft: vec![SFTRefStorage::default()],
[INFO] [stdout]     |                 ----------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `metadata::*`
[INFO] [stdout]  --> src/policy/marksweepspace/malloc_ms/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use metadata::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `VMBinding` is imported redundantly
[INFO] [stdout]    --> src/plan/global.rs:629:5
[INFO] [stdout]     |
[INFO] [stdout] 28  | use crate::vm::*;
[INFO] [stdout]     |     ------------ the item `VMBinding` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 629 | use crate::vm::VMBinding;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/plan/immix/global.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     /// Max immix object size is half of a block.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     max_non_los_default_alloc_bytes: crate::policy::immix::MAX_IMMIX_OBJECT_SIZE,
[INFO] [stdout]    |     ---------------------------------------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PlanProcessEdges` is imported redundantly
[INFO] [stdout]  --> src/plan/markcompact/gc_work.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::scheduler::gc_work::PlanProcessEdges;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | use crate::scheduler::gc_work::*;
[INFO] [stdout]   |     ---------------------------- the item `PlanProcessEdges` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `GCWorker` is imported redundantly
[INFO] [stdout]  --> src/scheduler/scheduler.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::worker::{GCWorker, GCWorkerShared, ThreadId, WorkerGroup, WorkerMonitor};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `GCWorker` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `WorkBucketStage` is imported redundantly
[INFO] [stdout]  --> src/scheduler/gc_work.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::work_bucket::WorkBucketStage;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `WorkBucketStage` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MMTK` is imported redundantly
[INFO] [stdout]    --> src/scheduler/gc_work.rs:936:5
[INFO] [stdout]     |
[INFO] [stdout] 9   | use crate::*;
[INFO] [stdout]     |     -------- the item `MMTK` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 936 | use crate::mmtk::MMTK;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Plan` is imported redundantly
[INFO] [stdout]    --> src/scheduler/gc_work.rs:937:5
[INFO] [stdout]     |
[INFO] [stdout] 9   | use crate::*;
[INFO] [stdout]     |     -------- the item `Plan` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 937 | use crate::plan::Plan;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/util/conversions.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use crate::util::conversions::*;
[INFO] [stdout]     |         --------------------------- the item `Address` is already imported here
[INFO] [stdout] 111 |     use crate::util::Address;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/util/options.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DEFAULT_STRESS_FACTOR` is imported redundantly
[INFO] [stdout]    --> src/util/options.rs:763:9
[INFO] [stdout]     |
[INFO] [stdout] 762 |     use super::*;
[INFO] [stdout]     |         -------- the item `DEFAULT_STRESS_FACTOR` is already imported here
[INFO] [stdout] 763 |     use crate::util::constants::DEFAULT_STRESS_FACTOR;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Options` is imported redundantly
[INFO] [stdout]    --> src/util/options.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 762 |     use super::*;
[INFO] [stdout]     |         -------- the item `Options` is already imported here
[INFO] [stdout] 763 |     use crate::util::constants::DEFAULT_STRESS_FACTOR;
[INFO] [stdout] 764 |     use crate::util::options::Options;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/util/reference_processor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MMAP_CHUNK_BYTES` is imported redundantly
[INFO] [stdout]    --> src/util/heap/layout/fragmented_mapper.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |     use super::*;
[INFO] [stdout]     |         -------- the item `MMAP_CHUNK_BYTES` is already imported here
[INFO] [stdout] 385 |     use crate::util::constants::LOG_BYTES_IN_PAGE;
[INFO] [stdout] 386 |     use crate::util::heap::layout::vm_layout::MMAP_CHUNK_BYTES;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `conversions` is imported redundantly
[INFO] [stdout]    --> src/util/heap/layout/fragmented_mapper.rs:390:23
[INFO] [stdout]     |
[INFO] [stdout] 384 |     use super::*;
[INFO] [stdout]     |         -------- the item `conversions` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 390 |     use crate::util::{conversions, Address};
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/util/heap/layout/fragmented_mapper.rs:390:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 390 |     use crate::util::{conversions, Address};
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PAGES_IN_CHUNK` is imported redundantly
[INFO] [stdout]   --> src/util/heap/freelistpageresource.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use super::layout::vm_layout::PAGES_IN_CHUNK;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use crate::util::heap::layout::vm_layout::*;
[INFO] [stdout]    |     --------------------------------------- the item `PAGES_IN_CHUNK` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/util/logger.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use log::{self, SetLoggerError};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | extern crate log;
[INFO] [stdout]    | ----------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/util/metadata/header_metadata.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] 447 |     use crate::util::address::Address;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataContext` is imported redundantly
[INFO] [stdout]     --> src/util/metadata/side_metadata/global.rs:1244:9
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     use super::*;
[INFO] [stdout]      |         -------- the item `SideMetadataContext` is already imported here
[INFO] [stdout] 1244 |     use crate::util::metadata::side_metadata::SideMetadataContext;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataContext` is imported redundantly
[INFO] [stdout]   --> src/util/metadata/side_metadata/side_metadata_tests.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  |     use crate::util::metadata::side_metadata::SideMetadataContext;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     use crate::util::metadata::side_metadata::SideMetadataSpec;
[INFO] [stdout] 10 |     use crate::util::metadata::side_metadata::*;
[INFO] [stdout]    |         --------------------------------------- the item `SideMetadataContext` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataSpec` is imported redundantly
[INFO] [stdout]   --> src/util/metadata/side_metadata/side_metadata_tests.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     use crate::util::metadata::side_metadata::SideMetadataSpec;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     use crate::util::metadata::side_metadata::*;
[INFO] [stdout]    |         --------------------------------------- the item `SideMetadataSpec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::counter::Counter`
[INFO] [stdout]  --> src/util/statistics/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::counter::Counter;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Timer` is imported redundantly
[INFO] [stdout]  --> src/util/statistics/stats.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util::statistics::counter::*;
[INFO] [stdout]   |     ----------------------------------- the item `Timer` is already imported here
[INFO] [stdout] 4 | use crate::util::statistics::Timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FreeList` is imported redundantly
[INFO] [stdout]   --> src/util/int_array_freelist.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use super::FreeList;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 82 |     use super::*;
[INFO] [stdout]    |         -------- the item `FreeList` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FreeList` is imported redundantly
[INFO] [stdout]    --> src/util/raw_memory_freelist.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use super::FreeList;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 237 |     use super::*;
[INFO] [stdout]     |         -------- the item `FreeList` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataOffset` is imported redundantly
[INFO] [stdout]    --> src/vm/object_model.rs:484:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |     use crate::util::metadata::side_metadata::*;
[INFO] [stdout]     |         --------------------------------------- the item `SideMetadataOffset` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 484 |         side_metadata::{SideMetadataOffset, SideMetadataSpec},
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SideMetadataSpec` is imported redundantly
[INFO] [stdout]    --> src/vm/object_model.rs:484:45
[INFO] [stdout]     |
[INFO] [stdout] 481 |     use crate::util::metadata::side_metadata::*;
[INFO] [stdout]     |         --------------------------------------- the item `SideMetadataSpec` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 484 |         side_metadata::{SideMetadataOffset, SideMetadataSpec},
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/util/heap/layout/vm_layout.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |     unsafe { &VM_LAYOUT }
[INFO] [stdout]     |              ^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 196 |     unsafe { addr_of!(VM_LAYOUT) }
[INFO] [stdout]     |              ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/util/heap/layout/vm_layout.rs:196:14
[INFO] [stdout]     |
[INFO] [stdout] 196 |     unsafe { &VM_LAYOUT }
[INFO] [stdout]     |              ^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 196 |     unsafe { addr_of!(VM_LAYOUT) }
[INFO] [stdout]     |              ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_base_mut` is never used
[INFO] [stdout]   --> src/scheduler/work_counter.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(super) trait WorkCounter: WorkCounterClone + std::fmt::Debug + Send {
[INFO] [stdout]    |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_base_mut(&mut self) -> &mut WorkCounterBase;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `make_another` is never used
[INFO] [stdout]    --> src/scheduler/gc_work.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 793 | pub trait ScanObjectsWork<VM: VMBinding>: GCWork<VM> + Sized {
[INFO] [stdout]     |           --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn make_another(&self, buffer: Vec<ObjectReference>) -> Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
[INFO] [stdout]    --> src/util/heap/freelistpageresource.rs:193:38
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 vm_map.bind_freelist(&*(&common_flpr as &CommonFreeListPageResource as *const _));
[INFO] [stdout]     |                                      ^^^^-----------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `Box<CommonFreeListPageResource>` (8 bytes) to `CommonFreeListPageResource` (24 bytes)
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
[INFO] [stdout]    --> src/util/heap/freelistpageresource.rs:223:38
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 vm_map.bind_freelist(&*(&common_flpr as &CommonFreeListPageResource as *const _));
[INFO] [stdout]     |                                      ^^^^-----------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `Box<CommonFreeListPageResource>` (8 bytes) to `CommonFreeListPageResource` (24 bytes)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmtk` (lib) due to 3 previous errors; 22 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `get_base_mut` is never used
[INFO] [stdout]   --> src/scheduler/work_counter.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(super) trait WorkCounter: WorkCounterClone + std::fmt::Debug + Send {
[INFO] [stdout]    |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn get_base_mut(&mut self) -> &mut WorkCounterBase;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `make_another` is never used
[INFO] [stdout]    --> src/scheduler/gc_work.rs:806:8
[INFO] [stdout]     |
[INFO] [stdout] 793 | pub trait ScanObjectsWork<VM: VMBinding>: GCWork<VM> + Sized {
[INFO] [stdout]     |           --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 806 |     fn make_another(&self, buffer: Vec<ObjectReference>) -> Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
[INFO] [stdout]    --> src/util/heap/freelistpageresource.rs:193:38
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 vm_map.bind_freelist(&*(&common_flpr as &CommonFreeListPageResource as *const _));
[INFO] [stdout]     |                                      ^^^^-----------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `Box<CommonFreeListPageResource>` (8 bytes) to `CommonFreeListPageResource` (24 bytes)
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
[INFO] [stdout]    --> src/util/heap/freelistpageresource.rs:223:38
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 vm_map.bind_freelist(&*(&common_flpr as &CommonFreeListPageResource as *const _));
[INFO] [stdout]     |                                      ^^^^-----------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `Box<CommonFreeListPageResource>` (8 bytes) to `CommonFreeListPageResource` (24 bytes)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmtk` (lib test) due to 3 previous errors; 35 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a268d33819df836c7964ecb1be4f27e3446227c4beba85748d39ac897339b7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a268d33819df836c7964ecb1be4f27e3446227c4beba85748d39ac897339b7a0", kill_on_drop: false }`
[INFO] [stdout] a268d33819df836c7964ecb1be4f27e3446227c4beba85748d39ac897339b7a0
