[INFO] fetching crate rn2xx3 0.2.0...
[INFO] documenting rn2xx3-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rn2xx3 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rn2xx3 0.2.0 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 crates.io crate rn2xx3 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rn2xx3 0.2.0
[INFO] tweaked toml for crates.io crate rn2xx3 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rn2xx3 0.2.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-embedded-hal v0.3.0
[INFO] [stderr]   Downloaded spidev v0.4.0
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded embedded-hal-mock v0.7.2
[INFO] [stderr]   Downloaded numtoa v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 6daf681471f930ed85a67c25216b4ffce1faaef0a0b9b0286764e968facec13c
[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" "6daf681471f930ed85a67c25216b4ffce1faaef0a0b9b0286764e968facec13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6daf681471f930ed85a67c25216b4ffce1faaef0a0b9b0286764e968facec13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6daf681471f930ed85a67c25216b4ffce1faaef0a0b9b0286764e968facec13c", kill_on_drop: false }`
[INFO] [stdout] 6daf681471f930ed85a67c25216b4ffce1faaef0a0b9b0286764e968facec13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2a18f40055cd9a70166dc53a3df50e58b0d0bf200d3f5d04f8bc740f62704d2e
[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" "2a18f40055cd9a70166dc53a3df50e58b0d0bf200d3f5d04f8bc740f62704d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting rn2xx3 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "2a18f40055cd9a70166dc53a3df50e58b0d0bf200d3f5d04f8bc740f62704d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a18f40055cd9a70166dc53a3df50e58b0d0bf200d3f5d04f8bc740f62704d2e", kill_on_drop: false }`
[INFO] [stdout] 2a18f40055cd9a70166dc53a3df50e58b0d0bf200d3f5d04f8bc740f62704d2e