[INFO] fetching crate iced_pure 0.2.2...
[INFO] checking iced_pure-0.2.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate iced_pure 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate iced_pure 0.2.2
[INFO] finished tweaking crates.io crate iced_pure 0.2.2
[INFO] tweaked toml for crates.io crate iced_pure 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iced_pure 0.2.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding iced_native v0.5.1 (available: v0.10.3)
[INFO] [stderr]       Adding iced_style v0.4.0 (available: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iced_style v0.4.0
[INFO] [stderr]   Downloaded iced_futures v0.4.1
[INFO] [stderr]   Downloaded iced_native v0.5.1
[INFO] [stderr]   Downloaded iced_core v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae91c08230c1f24d0840ed6a77972b33a0e0cec3528eca444a0a2b66fddff66
[INFO] running `Command { std: "docker" "start" "-a" "9ae91c08230c1f24d0840ed6a77972b33a0e0cec3528eca444a0a2b66fddff66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae91c08230c1f24d0840ed6a77972b33a0e0cec3528eca444a0a2b66fddff66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae91c08230c1f24d0840ed6a77972b33a0e0cec3528eca444a0a2b66fddff66", kill_on_drop: false }`
[INFO] [stdout] 9ae91c08230c1f24d0840ed6a77972b33a0e0cec3528eca444a0a2b66fddff66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad1c1bb1f2a7bf0a3885f9af5d42aab9fa6b38bde98dd72c2c18a4fb52f7073d
[INFO] running `Command { std: "docker" "start" "-a" "ad1c1bb1f2a7bf0a3885f9af5d42aab9fa6b38bde98dd72c2c18a4fb52f7073d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking iced_core v0.5.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking iced_style v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking iced_futures v0.4.1
[INFO] [stderr]     Checking iced_native v0.5.1
[INFO] [stderr]     Checking iced_pure v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/widget/pane_grid.rs:373:10
[INFO] [stdout]     |
[INFO] [stdout] 373 |         &'b self,
[INFO] [stdout]     |          ^^ these lifetimes flow to the output
[INFO] [stdout] 374 |         tree: &'b mut Tree,
[INFO] [stdout]     |                ^^ these lifetimes flow to the output
[INFO] [stdout] ...
[INFO] [stdout] 377 |     ) -> Option<overlay::Element<'_, Message, Renderer>> {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 377 -     ) -> Option<overlay::Element<'_, Message, Renderer>> {
[INFO] [stdout] 377 +     ) -> Option<overlay::Element<'b, Message, Renderer>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/widget/pane_grid.rs:373:10
[INFO] [stdout]     |
[INFO] [stdout] 373 |         &'b self,
[INFO] [stdout]     |          ^^ these lifetimes flow to the output
[INFO] [stdout] 374 |         tree: &'b mut Tree,
[INFO] [stdout]     |                ^^ these lifetimes flow to the output
[INFO] [stdout] ...
[INFO] [stdout] 377 |     ) -> Option<overlay::Element<'_, Message, Renderer>> {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 377 -     ) -> Option<overlay::Element<'_, Message, Renderer>> {
[INFO] [stdout] 377 +     ) -> Option<overlay::Element<'b, Message, Renderer>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `Command { std: "docker" "inspect" "ad1c1bb1f2a7bf0a3885f9af5d42aab9fa6b38bde98dd72c2c18a4fb52f7073d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1c1bb1f2a7bf0a3885f9af5d42aab9fa6b38bde98dd72c2c18a4fb52f7073d", kill_on_drop: false }`
[INFO] [stdout] ad1c1bb1f2a7bf0a3885f9af5d42aab9fa6b38bde98dd72c2c18a4fb52f7073d