[INFO] fetching crate runtime-loop 0.0.3...
[INFO] checking runtime-loop-0.0.3 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate runtime-loop 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate runtime-loop 0.0.3 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runtime-loop 0.0.3
[INFO] finished tweaking crates.io crate runtime-loop 0.0.3
[INFO] tweaked toml for crates.io crate runtime-loop 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c7af669f59d92a1319e2c821cb89a2415c8ec9074c2285d8735d141b75af85f
[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" "7c7af669f59d92a1319e2c821cb89a2415c8ec9074c2285d8735d141b75af85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7af669f59d92a1319e2c821cb89a2415c8ec9074c2285d8735d141b75af85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7af669f59d92a1319e2c821cb89a2415c8ec9074c2285d8735d141b75af85f", kill_on_drop: false }`
[INFO] [stdout] 7c7af669f59d92a1319e2c821cb89a2415c8ec9074c2285d8735d141b75af85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 311e70e0b83c6ff4fc72ceb44f0ad2b390caf828cf05dbb48f7ad5af91a6d023
[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" "311e70e0b83c6ff4fc72ceb44f0ad2b390caf828cf05dbb48f7ad5af91a6d023", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking runtime-loop v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     lambda: Box<Fn(&T) + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) + Send`
[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:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn new(lambda: Box<Fn(&T) + Send>) -> Self { Signal{lambda} }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 88 |     poll_func: Box<Fn(&T) -> T+Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new(data: T, poll_func: Box<Fn(&T) -> T+Send>) -> Self { 
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout] 126 |     observers: HashMap<Uuid, Arc<Mutex<PollableTrait>>>,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn PollableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:56
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn add_pollable(&mut self, pollable: Arc<Mutex<PollableTrait>>) { 
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn PollableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     lambda: Box<Fn(&T) + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) + Send`
[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:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn new(lambda: Box<Fn(&T) + Send>) -> Self { Signal{lambda} }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 88 |     poll_func: Box<Fn(&T) -> T+Send>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn new(data: T, poll_func: Box<Fn(&T) -> T+Send>) -> Self { 
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> T+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout] 126 |     observers: HashMap<Uuid, Arc<Mutex<PollableTrait>>>,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn PollableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:56
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn add_pollable(&mut self, pollable: Arc<Mutex<PollableTrait>>) { 
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn PollableTrait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "311e70e0b83c6ff4fc72ceb44f0ad2b390caf828cf05dbb48f7ad5af91a6d023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311e70e0b83c6ff4fc72ceb44f0ad2b390caf828cf05dbb48f7ad5af91a6d023", kill_on_drop: false }`
[INFO] [stdout] 311e70e0b83c6ff4fc72ceb44f0ad2b390caf828cf05dbb48f7ad5af91a6d023