[INFO] fetching crate pond 0.3.1...
[INFO] checking pond-0.3.1 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate pond 0.3.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pond 0.3.1 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pond 0.3.1
[INFO] finished tweaking crates.io crate pond 0.3.1
[INFO] tweaked toml for crates.io crate pond 0.3.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 551e3bb55e2ada0a16b06dce3e175a8650a3fcdcc50a3fecef240e9f897efd8f
[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" "551e3bb55e2ada0a16b06dce3e175a8650a3fcdcc50a3fecef240e9f897efd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551e3bb55e2ada0a16b06dce3e175a8650a3fcdcc50a3fecef240e9f897efd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551e3bb55e2ada0a16b06dce3e175a8650a3fcdcc50a3fecef240e9f897efd8f", kill_on_drop: false }`
[INFO] [stdout] 551e3bb55e2ada0a16b06dce3e175a8650a3fcdcc50a3fecef240e9f897efd8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] c67f6631f54a73bbada4d20cea4d98d053aa9c0c54edf708533ae929c4627bbd
[INFO] running `Command { std: "docker" "start" "-a" "c67f6631f54a73bbada4d20cea4d98d053aa9c0c54edf708533ae929c4627bbd", kill_on_drop: false }`
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking pond v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn run(self: Box<Self>, state: &mut Box<Any>);
[INFO] [stdout]    |                                             ^^^ help: use `dyn`: `dyn Any`
[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/lib.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn run(self: Box<Self>, state: &mut Box<Any>)
[INFO] [stdout]    |                                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn run(self: Box<Self>, _: &mut Box<Any>)
[INFO] [stdout]    |                                         ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:92:32
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn create(self: &Self) -> Box<Any>;
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl<F: Fn()->Box<Any>> StateMakerBox for F
[INFO] [stdout]    |                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn create(self: &F) -> Box<Any>
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 | type StateMaker<'a> = Box<StateMakerBox + Send + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StateMakerBox + Send + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     job_queue : VecDeque<Box<AbstractTask>>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:40
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let mut state = Box::new(0) as Box<Any>;
[INFO] [stdout]     |                                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:453:28
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 Box::new(state) as Box<Any>
[INFO] [stdout]     |                                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 |                     Box<StateMakerBox + 'scope + Send>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StateMakerBox + 'scope + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |                     Box<StateMakerBox + 'static + Send>
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StateMakerBox + 'static + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:541:10
[INFO] [stdout]     |
[INFO] [stdout] 541 |                     Box<AbstractTask + 'scope>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:542:10
[INFO] [stdout]     |
[INFO] [stdout] 542 |                     Box<AbstractTask + 'static>
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:611:10
[INFO] [stdout]     |
[INFO] [stdout] 611 |                     Box<AbstractTask + 'scope>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:612:10
[INFO] [stdout]     |
[INFO] [stdout] 612 |                     Box<AbstractTask + 'static>
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn run(self: Box<Self>, state: &mut Box<Any>);
[INFO] [stdout]    |                                             ^^^ help: use `dyn`: `dyn Any`
[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/lib.rs:73:42
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn run(self: Box<Self>, state: &mut Box<Any>)
[INFO] [stdout]    |                                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn run(self: Box<Self>, _: &mut Box<Any>)
[INFO] [stdout]    |                                         ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:92:32
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn create(self: &Self) -> Box<Any>;
[INFO] [stdout]    |                                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl<F: Fn()->Box<Any>> StateMakerBox for F
[INFO] [stdout]    |                   ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn create(self: &F) -> Box<Any>
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 | type StateMaker<'a> = Box<StateMakerBox + Send + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StateMakerBox + Send + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     job_queue : VecDeque<Box<AbstractTask>>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:214:40
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let mut state = Box::new(0) as Box<Any>;
[INFO] [stdout]     |                                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:453:28
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 Box::new(state) as Box<Any>
[INFO] [stdout]     |                                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:458:10
[INFO] [stdout]     |
[INFO] [stdout] 458 |                     Box<StateMakerBox + 'scope + Send>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StateMakerBox + 'scope + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |                     Box<StateMakerBox + 'static + Send>
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StateMakerBox + 'static + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:541:10
[INFO] [stdout]     |
[INFO] [stdout] 541 |                     Box<AbstractTask + 'scope>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:542:10
[INFO] [stdout]     |
[INFO] [stdout] 542 |                     Box<AbstractTask + 'static>
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:611:10
[INFO] [stdout]     |
[INFO] [stdout] 611 |                     Box<AbstractTask + 'scope>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:612:10
[INFO] [stdout]     |
[INFO] [stdout] 612 |                     Box<AbstractTask + 'static>
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractTask + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c67f6631f54a73bbada4d20cea4d98d053aa9c0c54edf708533ae929c4627bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67f6631f54a73bbada4d20cea4d98d053aa9c0c54edf708533ae929c4627bbd", kill_on_drop: false }`
[INFO] [stdout] c67f6631f54a73bbada4d20cea4d98d053aa9c0c54edf708533ae929c4627bbd