[INFO] fetching crate mcumeter 0.1.1...
[INFO] documenting mcumeter-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mcumeter 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mcumeter 0.1.1 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] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate mcumeter 0.1.1
[INFO] finished tweaking crates.io crate mcumeter 0.1.1
[INFO] tweaked toml for crates.io crate mcumeter 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 stm32f0xx-hal v0.12.0
[INFO] [stderr]   Downloaded ina260 v0.2.6
[INFO] [stderr]   Downloaded shared-bus v0.1.4
[INFO] [stderr]   Downloaded tinytga v0.1.0
[INFO] [stderr]   Downloaded tinybmp v0.1.1
[INFO] [stderr]   Downloaded embedded-graphics v0.4.9
[INFO] [stderr]   Downloaded ssd1306 v0.2.6
[INFO] [stderr]   Downloaded stm32f0 v0.5.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 681d604ebef5bff9a4b81a7fea956eb329c69aa7892bb882e68c78b30be3732c
[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" "681d604ebef5bff9a4b81a7fea956eb329c69aa7892bb882e68c78b30be3732c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "681d604ebef5bff9a4b81a7fea956eb329c69aa7892bb882e68c78b30be3732c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681d604ebef5bff9a4b81a7fea956eb329c69aa7892bb882e68c78b30be3732c", kill_on_drop: false }`
[INFO] [stdout] 681d604ebef5bff9a4b81a7fea956eb329c69aa7892bb882e68c78b30be3732c
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48df2f10ac7cb5ead44f5cfc9edd028c43285588c8930c6f9741e7307eb821c2
[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" "48df2f10ac7cb5ead44f5cfc9edd028c43285588c8930c6f9741e7307eb821c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling stm32f0 v0.5.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling ssd1306 v0.2.6
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking ina260 v0.2.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking tinytga v0.1.0
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking tinybmp v0.1.1
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking embedded-graphics v0.4.9
[INFO] [stderr]     Checking shared-bus v0.1.4
[INFO] [stderr]     Checking stm32f0xx-hal v0.12.0
[INFO] [stderr]  Documenting mcumeter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 44.87s
[INFO] running `Command { std: "docker" "inspect" "48df2f10ac7cb5ead44f5cfc9edd028c43285588c8930c6f9741e7307eb821c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48df2f10ac7cb5ead44f5cfc9edd028c43285588c8930c6f9741e7307eb821c2", kill_on_drop: false }`
[INFO] [stdout] 48df2f10ac7cb5ead44f5cfc9edd028c43285588c8930c6f9741e7307eb821c2