[INFO] crate dispatch 0.2.0 is already in cache
[INFO] checking dispatch-0.2.0 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate dispatch 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dispatch 0.2.0 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dispatch 0.2.0
[INFO] finished tweaking crates.io crate dispatch 0.2.0
[INFO] tweaked toml for crates.io crate dispatch 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate dispatch 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 826d6b1b198be4e1ffd8d63163ac6b848280bff759b0d18a1d4cba454e168c91
[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" "826d6b1b198be4e1ffd8d63163ac6b848280bff759b0d18a1d4cba454e168c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826d6b1b198be4e1ffd8d63163ac6b848280bff759b0d18a1d4cba454e168c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826d6b1b198be4e1ffd8d63163ac6b848280bff759b0d18a1d4cba454e168c91", kill_on_drop: false }`
[INFO] [stdout] 826d6b1b198be4e1ffd8d63163ac6b848280bff759b0d18a1d4cba454e168c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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] 06c28b29aafc234a8e42e3199be4c4d755a16a72d258c9e4d196b6180a1118d2
[INFO] running `Command { std: "docker" "start" "-a" "06c28b29aafc234a8e42e3199be4c4d755a16a72d258c9e4d196b6180a1118d2", kill_on_drop: false }`
[INFO] [stderr]     Checking dispatch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `std::boxed::Box<F>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |     extern fn work_execute_closure<F>(context: Box<F>) where F: FnOnce() {
[INFO] [stdout]    |                                                ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::boxed::Box<F>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |     extern fn work_execute_closure<F>(context: Box<F>) where F: FnOnce() {
[INFO] [stdout]    |                                                ^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "06c28b29aafc234a8e42e3199be4c4d755a16a72d258c9e4d196b6180a1118d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c28b29aafc234a8e42e3199be4c4d755a16a72d258c9e4d196b6180a1118d2", kill_on_drop: false }`
[INFO] [stdout] 06c28b29aafc234a8e42e3199be4c4d755a16a72d258c9e4d196b6180a1118d2