[INFO] fetching crate wookong-solo 0.1.4...
[INFO] checking wookong-solo-0.1.4 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate wookong-solo 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wookong-solo 0.1.4 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wookong-solo 0.1.4
[INFO] finished tweaking crates.io crate wookong-solo 0.1.4
[INFO] tweaked toml for crates.io crate wookong-solo 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feeb7aace5594fd764d2737d4d9b356912b376caf0f5b3a7c213b11fb2c768ff
[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" "feeb7aace5594fd764d2737d4d9b356912b376caf0f5b3a7c213b11fb2c768ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feeb7aace5594fd764d2737d4d9b356912b376caf0f5b3a7c213b11fb2c768ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feeb7aace5594fd764d2737d4d9b356912b376caf0f5b3a7c213b11fb2c768ff", kill_on_drop: false }`
[INFO] [stdout] feeb7aace5594fd764d2737d4d9b356912b376caf0f5b3a7c213b11fb2c768ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ddeb2036e82d8f27133f687d79732a853a3a8c59ec684b1da67e1976916996
[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" "d7ddeb2036e82d8f27133f687d79732a853a3a8c59ec684b1da67e1976916996", kill_on_drop: false }`
[INFO] [stderr]    Compiling wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: src/driver/os_uart.c: In function 'uart_init':
[INFO] [stderr] warning: src/driver/os_uart.c:26:8: warning: 'fd' is used uninitialized in this function [-Wuninitialized]
[INFO] [stderr] warning:    26 |     if (fd < 0) /* Error Checking */
[INFO] [stderr] warning:       |        ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d7ddeb2036e82d8f27133f687d79732a853a3a8c59ec684b1da67e1976916996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ddeb2036e82d8f27133f687d79732a853a3a8c59ec684b1da67e1976916996", kill_on_drop: false }`
[INFO] [stdout] d7ddeb2036e82d8f27133f687d79732a853a3a8c59ec684b1da67e1976916996