[INFO] cloning repository https://github.com/chesterliliang/softa9
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chesterliliang/softa9" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchesterliliang%2Fsofta9", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchesterliliang%2Fsofta9'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1b514d2fd2f49c971aecc7c8ff256d6f3e5813b
[INFO] documenting chesterliliang/softa9 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchesterliliang%2Fsofta9" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chesterliliang/softa9 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chesterliliang/softa9
[INFO] finished tweaking git repo https://github.com/chesterliliang/softa9
[INFO] tweaked toml for git repo https://github.com/chesterliliang/softa9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/chesterliliang/softa9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75240b73d102d4e1782e667b649c02354918a81c43a60f8a730ce8aaa26319fc
[INFO] running `Command { std: "docker" "start" "-a" "75240b73d102d4e1782e667b649c02354918a81c43a60f8a730ce8aaa26319fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75240b73d102d4e1782e667b649c02354918a81c43a60f8a730ce8aaa26319fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75240b73d102d4e1782e667b649c02354918a81c43a60f8a730ce8aaa26319fc", kill_on_drop: false }`
[INFO] [stdout] 75240b73d102d4e1782e667b649c02354918a81c43a60f8a730ce8aaa26319fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6307ebdb5e608a9c75d6f4485af878f8180238357cc67f1a82e9b5fcf60f23e
[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" "b6307ebdb5e608a9c75d6f4485af878f8180238357cc67f1a82e9b5fcf60f23e", 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]  Documenting wookong-solo v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "b6307ebdb5e608a9c75d6f4485af878f8180238357cc67f1a82e9b5fcf60f23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6307ebdb5e608a9c75d6f4485af878f8180238357cc67f1a82e9b5fcf60f23e", kill_on_drop: false }`
[INFO] [stdout] b6307ebdb5e608a9c75d6f4485af878f8180238357cc67f1a82e9b5fcf60f23e