[INFO] fetching crate fui_core 0.1.0...
[INFO] checking fui_core-0.1.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate fui_core 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fui_core 0.1.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fui_core 0.1.0
[INFO] finished tweaking crates.io crate fui_core 0.1.0
[INFO] tweaked toml for crates.io crate fui_core 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 509368d2137dd2a6008822be6facbe91a001581b84e8a257d68a5ea01e5156ca
[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" "509368d2137dd2a6008822be6facbe91a001581b84e8a257d68a5ea01e5156ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509368d2137dd2a6008822be6facbe91a001581b84e8a257d68a5ea01e5156ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509368d2137dd2a6008822be6facbe91a001581b84e8a257d68a5ea01e5156ca", kill_on_drop: false }`
[INFO] [stdout] 509368d2137dd2a6008822be6facbe91a001581b84e8a257d68a5ea01e5156ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e62de08bec20e1bfc81a57665697ca01cb7339e020a183a637cf4adafa4ffe
[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" "89e62de08bec20e1bfc81a57665697ca01cb7339e020a183a637cf4adafa4ffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking clamped v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]     Checking euclid v0.21.0
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling typed-builder v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking drawing v0.1.0
[INFO] [stderr]     Checking fui_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `source_changed_event_subscriptions`
[INFO] [stdout]    --> src/children_source.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     source_changed_event_subscriptions: Vec<EventSubscription>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source_changed_event_subscriptions`
[INFO] [stdout]    --> src/children_source.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     source_changed_event_subscriptions: Vec<EventSubscription>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.37s
[INFO] running `Command { std: "docker" "inspect" "89e62de08bec20e1bfc81a57665697ca01cb7339e020a183a637cf4adafa4ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e62de08bec20e1bfc81a57665697ca01cb7339e020a183a637cf4adafa4ffe", kill_on_drop: false }`
[INFO] [stdout] 89e62de08bec20e1bfc81a57665697ca01cb7339e020a183a637cf4adafa4ffe