[INFO] fetching crate firefly-keyboard 0.1.2...
[INFO] testing firefly-keyboard-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate firefly-keyboard 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate firefly-keyboard 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate firefly-keyboard 0.1.2
[INFO] tweaked toml for crates.io crate firefly-keyboard 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate firefly-keyboard 0.1.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate firefly-keyboard 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded firefly-rust v0.13.1
[INFO] [stderr]   Downloaded talc v4.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 061068ae785cd0caf42fab8d55463596ffc10a8474ab8be40c52962593b010fe
[INFO] running `Command { std: "docker" "start" "-a" "061068ae785cd0caf42fab8d55463596ffc10a8474ab8be40c52962593b010fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "061068ae785cd0caf42fab8d55463596ffc10a8474ab8be40c52962593b010fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061068ae785cd0caf42fab8d55463596ffc10a8474ab8be40c52962593b010fe", kill_on_drop: false }`
[INFO] [stdout] 061068ae785cd0caf42fab8d55463596ffc10a8474ab8be40c52962593b010fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5438add960bbd6b3d6101b9586b38cecda87fcb9625af8284332c6a22f6afe80
[INFO] running `Command { std: "docker" "start" "-a" "5438add960bbd6b3d6101b9586b38cecda87fcb9625af8284332c6a22f6afe80", kill_on_drop: false }`
[INFO] [stderr]    Compiling firefly-rust v0.13.1
[INFO] [stderr]    Compiling firefly-keyboard v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "5438add960bbd6b3d6101b9586b38cecda87fcb9625af8284332c6a22f6afe80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5438add960bbd6b3d6101b9586b38cecda87fcb9625af8284332c6a22f6afe80", kill_on_drop: false }`
[INFO] [stdout] 5438add960bbd6b3d6101b9586b38cecda87fcb9625af8284332c6a22f6afe80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34a9f8fdeea4d2afc99469c8c092e74087ca54f61745aa228e0ab15ae7383e2b
[INFO] running `Command { std: "docker" "start" "-a" "34a9f8fdeea4d2afc99469c8c092e74087ca54f61745aa228e0ab15ae7383e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling talc v4.4.3
[INFO] [stderr]    Compiling firefly-rust v0.13.1
[INFO] [stderr]    Compiling firefly-keyboard v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: no global memory allocator found but one is required; link to std or add `#[global_allocator]` to a static item that implements the GlobalAlloc trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firefly-keyboard` (example "keyboard") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "34a9f8fdeea4d2afc99469c8c092e74087ca54f61745aa228e0ab15ae7383e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a9f8fdeea4d2afc99469c8c092e74087ca54f61745aa228e0ab15ae7383e2b", kill_on_drop: false }`
[INFO] [stdout] 34a9f8fdeea4d2afc99469c8c092e74087ca54f61745aa228e0ab15ae7383e2b