[INFO] cloning repository https://github.com/wookong-dot/solo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wookong-dot/solo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwookong-dot%2Fsolo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwookong-dot%2Fsolo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed55d0c7e30c6e6cd9c0f0fb6b6711d31a1c468a
[INFO] checking wookong-dot/solo against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwookong-dot%2Fsolo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wookong-dot/solo on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wookong-dot/solo
[INFO] finished tweaking git repo https://github.com/wookong-dot/solo
[INFO] tweaked toml for git repo https://github.com/wookong-dot/solo written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wookong-dot/solo 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdd92be278627a7f50797d8c58520c54f5e9233be63a98129a270be34260e491
[INFO] running `Command { std: "docker" "start" "-a" "bdd92be278627a7f50797d8c58520c54f5e9233be63a98129a270be34260e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdd92be278627a7f50797d8c58520c54f5e9233be63a98129a270be34260e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd92be278627a7f50797d8c58520c54f5e9233be63a98129a270be34260e491", kill_on_drop: false }`
[INFO] [stdout] bdd92be278627a7f50797d8c58520c54f5e9233be63a98129a270be34260e491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17fe692acbeada1142f70c6bdcc44c4164da1b3ec35778bfbe586359fedfc919
[INFO] running `Command { std: "docker" "start" "-a" "17fe692acbeada1142f70c6bdcc44c4164da1b3ec35778bfbe586359fedfc919", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized [-Wuninitialized]
[INFO] [stderr] warning: wookong-solo@0.1.4:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning: wookong-solo@0.1.4:       |        ^
[INFO] [stderr] warning: wookong-solo@0.1.4: src/driver/os_uart.c:17:9: note: 'fd' was declared here
[INFO] [stderr] warning: wookong-solo@0.1.4:    17 |     int fd;
[INFO] [stderr] warning: wookong-solo@0.1.4:       |         ^~
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "17fe692acbeada1142f70c6bdcc44c4164da1b3ec35778bfbe586359fedfc919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fe692acbeada1142f70c6bdcc44c4164da1b3ec35778bfbe586359fedfc919", kill_on_drop: false }`
[INFO] [stdout] 17fe692acbeada1142f70c6bdcc44c4164da1b3ec35778bfbe586359fedfc919