[INFO] fetching crate managed-heap 0.1.5...
[INFO] checking managed-heap-0.1.5 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate managed-heap 0.1.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate managed-heap 0.1.5 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate managed-heap 0.1.5
[INFO] finished tweaking crates.io crate managed-heap 0.1.5
[INFO] tweaked toml for crates.io crate managed-heap 0.1.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 575a353bd35e1ed4c604c085162d0c9b0be3ddc178868adaf66fdad629f90f24
[INFO] running `Command { std: "docker" "start" "-a" "575a353bd35e1ed4c604c085162d0c9b0be3ddc178868adaf66fdad629f90f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575a353bd35e1ed4c604c085162d0c9b0be3ddc178868adaf66fdad629f90f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575a353bd35e1ed4c604c085162d0c9b0be3ddc178868adaf66fdad629f90f24", kill_on_drop: false }`
[INFO] [stdout] 575a353bd35e1ed4c604c085162d0c9b0be3ddc178868adaf66fdad629f90f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8acecedbc3f9e9dd085c339cae5defe0bf555f4a1fe5434be351a2d03c669866
[INFO] running `Command { std: "docker" "start" "-a" "8acecedbc3f9e9dd085c339cae5defe0bf555f4a1fe5434be351a2d03c669866", kill_on_drop: false }`
[INFO] [stderr]     Checking managed-heap v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block/set.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = &Block> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Block> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/heap.rs:144:38
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn used<'a>(&'a self) -> Box<Iterator<Item = &Block> + 'a> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Block> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/managed.rs:50:47
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn gc<T>(&mut self, roots: &mut [&mut GcRoot<T>])
[INFO] [stdout]    |                                               ^^^^^^^^^ help: use `dyn`: `dyn GcRoot<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:101:50
[INFO] [stdout]     |
[INFO] [stdout] 101 |             fn children<'a>(&'a mut self) -> Box<Iterator<Item = &'a mut IntegerObject> + 'a> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a mut IntegerObject> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:173:41
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 let mut roots: Vec<&mut GcRoot<IntegerObject>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<IntegerObject>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:180:41
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let mut roots: Vec<&mut GcRoot<IntegerObject>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<IntegerObject>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |             let mut roots: Vec<&mut GcRoot<IntegerObject>> = vec![&mut gc_root];
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<IntegerObject>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:215:50
[INFO] [stdout]     |
[INFO] [stdout] 215 |             fn children<'a>(&'a mut self) -> Box<Iterator<Item = &'a mut LinkedList> + 'a> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a mut LinkedList> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:364:41
[INFO] [stdout]     |
[INFO] [stdout] 364 |                 let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:371:41
[INFO] [stdout]     |
[INFO] [stdout] 371 |                 let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:378:37
[INFO] [stdout]     |
[INFO] [stdout] 378 |             let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:395:41
[INFO] [stdout]     |
[INFO] [stdout] 395 |                 let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:403:41
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:411:37
[INFO] [stdout]     |
[INFO] [stdout] 411 |             let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:431:45
[INFO] [stdout]     |
[INFO] [stdout] 431 |                     let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:438:45
[INFO] [stdout]     |
[INFO] [stdout] 438 |                     let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:445:41
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/managed.rs:450:41
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 let mut roots: Vec<&mut GcRoot<LinkedList>> = vec![&mut gc_root];
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GcRoot<LinkedList>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trace.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn children<'a>(&'a mut self) -> Box<Iterator<Item = &'a mut I> + 'a>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a mut I> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block/set.rs:23:38
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = &Block> + 'a> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Block> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/heap.rs:144:38
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn used<'a>(&'a self) -> Box<Iterator<Item = &Block> + 'a> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Block> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/managed.rs:50:47
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn gc<T>(&mut self, roots: &mut [&mut GcRoot<T>])
[INFO] [stdout]    |                                               ^^^^^^^^^ help: use `dyn`: `dyn GcRoot<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/trace.rs:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn children<'a>(&'a mut self) -> Box<Iterator<Item = &'a mut I> + 'a>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a mut I> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "8acecedbc3f9e9dd085c339cae5defe0bf555f4a1fe5434be351a2d03c669866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8acecedbc3f9e9dd085c339cae5defe0bf555f4a1fe5434be351a2d03c669866", kill_on_drop: false }`
[INFO] [stdout] 8acecedbc3f9e9dd085c339cae5defe0bf555f4a1fe5434be351a2d03c669866