[INFO] fetching crate dispatch 0.2.0...
[INFO] checking dispatch-0.2.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate dispatch 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dispatch 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-12/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5ac842893c4d7516bc8ec9c4fb012aba36f0407240cfc32cb351cba694393da
[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" "b5ac842893c4d7516bc8ec9c4fb012aba36f0407240cfc32cb351cba694393da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ac842893c4d7516bc8ec9c4fb012aba36f0407240cfc32cb351cba694393da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ac842893c4d7516bc8ec9c4fb012aba36f0407240cfc32cb351cba694393da", kill_on_drop: false }`
[INFO] [stdout] b5ac842893c4d7516bc8ec9c4fb012aba36f0407240cfc32cb351cba694393da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71000f4260b622273c1e68f7f47992d2e3c3e22f4beeb8a181896e772cb1cd43
[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" "71000f4260b622273c1e68f7f47992d2e3c3e22f4beeb8a181896e772cb1cd43", 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "71000f4260b622273c1e68f7f47992d2e3c3e22f4beeb8a181896e772cb1cd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71000f4260b622273c1e68f7f47992d2e3c3e22f4beeb8a181896e772cb1cd43", kill_on_drop: false }`
[INFO] [stdout] 71000f4260b622273c1e68f7f47992d2e3c3e22f4beeb8a181896e772cb1cd43
