[INFO] fetching crate imgui_presentable_derive 0.4.0...
[INFO] testing imgui_presentable_derive-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate imgui_presentable_derive 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate imgui_presentable_derive 0.4.0
[INFO] finished tweaking crates.io crate imgui_presentable_derive 0.4.0
[INFO] tweaked toml for crates.io crate imgui_presentable_derive 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate imgui_presentable_derive 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f70467b0e3d0b88d20fb66d05d85c758cba0101e5f69cb96b7e28b789138b93a
[INFO] running `Command { std: "docker" "start" "-a" "f70467b0e3d0b88d20fb66d05d85c758cba0101e5f69cb96b7e28b789138b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f70467b0e3d0b88d20fb66d05d85c758cba0101e5f69cb96b7e28b789138b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70467b0e3d0b88d20fb66d05d85c758cba0101e5f69cb96b7e28b789138b93a", kill_on_drop: false }`
[INFO] [stdout] f70467b0e3d0b88d20fb66d05d85c758cba0101e5f69cb96b7e28b789138b93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb4554d95d587f9d11cc47e035767f2a9895fb94c77488255bdb4a6e2c15650
[INFO] running `Command { std: "docker" "start" "-a" "5fb4554d95d587f9d11cc47e035767f2a9895fb94c77488255bdb4a6e2c15650", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgui_presentable_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: At least one backend has to be specified in the feature list: either egui or imgui. The derive macro is useless otherwise.
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / compile_error!(
[INFO] [stdout] 34 | |     "At least one backend has to be specified in the feature list: either egui or imgui. The derive macro is useless otherwise."
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgui_presentable_derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5fb4554d95d587f9d11cc47e035767f2a9895fb94c77488255bdb4a6e2c15650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb4554d95d587f9d11cc47e035767f2a9895fb94c77488255bdb4a6e2c15650", kill_on_drop: false }`
[INFO] [stdout] 5fb4554d95d587f9d11cc47e035767f2a9895fb94c77488255bdb4a6e2c15650