[INFO] fetching crate thread-object 0.2.0...
[INFO] checking thread-object-0.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate thread-object 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate thread-object 0.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread-object 0.2.0
[INFO] finished tweaking crates.io crate thread-object 0.2.0
[INFO] tweaked toml for crates.io crate thread-object 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7d675bf7d6fc2a6c76cf4063fe02d22ce38403550a6b3184d67b482a29c762
[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" "4a7d675bf7d6fc2a6c76cf4063fe02d22ce38403550a6b3184d67b482a29c762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7d675bf7d6fc2a6c76cf4063fe02d22ce38403550a6b3184d67b482a29c762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7d675bf7d6fc2a6c76cf4063fe02d22ce38403550a6b3184d67b482a29c762", kill_on_drop: false }`
[INFO] [stdout] 4a7d675bf7d6fc2a6c76cf4063fe02d22ce38403550a6b3184d67b482a29c762
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a2bfc75d23b2faa23c30029146ac9dfb43afe677d4b3c2f99a4a8a5dcb781c
[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" "16a2bfc75d23b2faa23c30029146ac9dfb43afe677d4b3c2f99a4a8a5dcb781c", kill_on_drop: false }`
[INFO] [stderr]     Checking thread-object v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:56
[INFO] [stdout]    |
[INFO] [stdout] 32 |     static THREAD_OBJECTS: RefCell<BTreeMap<usize, Box<Any>>> = RefCell::new(BTreeMap::new());
[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:32:56
[INFO] [stdout]    |
[INFO] [stdout] 32 |     static THREAD_OBJECTS: RefCell<BTreeMap<usize, Box<Any>>> = RefCell::new(BTreeMap::new());
[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:32:56
[INFO] [stdout]    |
[INFO] [stdout] 32 |     static THREAD_OBJECTS: RefCell<BTreeMap<usize, Box<Any>>> = RefCell::new(BTreeMap::new());
[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:32:56
[INFO] [stdout]    |
[INFO] [stdout] 32 |     static THREAD_OBJECTS: RefCell<BTreeMap<usize, Box<Any>>> = RefCell::new(BTreeMap::new());
[INFO] [stdout]    |                                                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "16a2bfc75d23b2faa23c30029146ac9dfb43afe677d4b3c2f99a4a8a5dcb781c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a2bfc75d23b2faa23c30029146ac9dfb43afe677d4b3c2f99a4a8a5dcb781c", kill_on_drop: false }`
[INFO] [stdout] 16a2bfc75d23b2faa23c30029146ac9dfb43afe677d4b3c2f99a4a8a5dcb781c