[INFO] cloning repository https://github.com/leo60228/switchbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leo60228/switchbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo60228%2Fswitchbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo60228%2Fswitchbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aac5b526ef816567623baf6f7a26997f671fd27a
[INFO] documenting leo60228/switchbot against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo60228%2Fswitchbot" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leo60228/switchbot on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/leo60228/switchbot
[INFO] finished tweaking git repo https://github.com/leo60228/switchbot
[INFO] tweaked toml for git repo https://github.com/leo60228/switchbot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/leo60228/switchbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d162cb16c9098dc45b3a218bb659c4518b02b0039d5ef7412ed28545ec9c602a
[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" "d162cb16c9098dc45b3a218bb659c4518b02b0039d5ef7412ed28545ec9c602a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d162cb16c9098dc45b3a218bb659c4518b02b0039d5ef7412ed28545ec9c602a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d162cb16c9098dc45b3a218bb659c4518b02b0039d5ef7412ed28545ec9c602a", kill_on_drop: false }`
[INFO] [stdout] d162cb16c9098dc45b3a218bb659c4518b02b0039d5ef7412ed28545ec9c602a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b99976a3cfdc8cefd22357d5e3b96955f5880c51e363de831b408f56140dad49
[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" "b99976a3cfdc8cefd22357d5e3b96955f5880c51e363de831b408f56140dad49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling rscam v0.5.5 (https://github.com/leo60228/rscam.git?branch=static#f408961f)
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]  Documenting switchbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.19s
[INFO] running `Command { std: "docker" "inspect" "b99976a3cfdc8cefd22357d5e3b96955f5880c51e363de831b408f56140dad49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99976a3cfdc8cefd22357d5e3b96955f5880c51e363de831b408f56140dad49", kill_on_drop: false }`
[INFO] [stdout] b99976a3cfdc8cefd22357d5e3b96955f5880c51e363de831b408f56140dad49