[INFO] fetching crate managed-heap 0.1.5...
[INFO] checking managed-heap-0.1.5 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate managed-heap 0.1.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate managed-heap 0.1.5 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c41572bf0737dad8b22a6808b3220a747885f14eb64b8c512a0c4f81cb87c6
[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" "f6c41572bf0737dad8b22a6808b3220a747885f14eb64b8c512a0c4f81cb87c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c41572bf0737dad8b22a6808b3220a747885f14eb64b8c512a0c4f81cb87c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c41572bf0737dad8b22a6808b3220a747885f14eb64b8c512a0c4f81cb87c6", kill_on_drop: false }`
[INFO] [stdout] f6c41572bf0737dad8b22a6808b3220a747885f14eb64b8c512a0c4f81cb87c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e117b086301792c9d03b4a4b2bbb29e7d4735532ef23db1671eb8d6bda18c71
[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" "5e117b086301792c9d03b4a4b2bbb29e7d4735532ef23db1671eb8d6bda18c71", 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/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/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: 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 1.14s
[INFO] running `Command { std: "docker" "inspect" "5e117b086301792c9d03b4a4b2bbb29e7d4735532ef23db1671eb8d6bda18c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e117b086301792c9d03b4a4b2bbb29e7d4735532ef23db1671eb8d6bda18c71", kill_on_drop: false }`
[INFO] [stdout] 5e117b086301792c9d03b4a4b2bbb29e7d4735532ef23db1671eb8d6bda18c71