[INFO] fetching crate mcumeter 0.2.0...
[INFO] documenting mcumeter-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mcumeter 0.2.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate mcumeter 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-37/source/.cargo/config
[INFO] started tweaking crates.io crate mcumeter 0.2.0
[INFO] finished tweaking crates.io crate mcumeter 0.2.0
[INFO] tweaked toml for crates.io crate mcumeter 0.2.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate mcumeter 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37f0dd53839150725411c04cc4a97a9fffc925090fd1bb63de06a3fbbda1a982
[INFO] running `Command { std: "docker" "start" "-a" "37f0dd53839150725411c04cc4a97a9fffc925090fd1bb63de06a3fbbda1a982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37f0dd53839150725411c04cc4a97a9fffc925090fd1bb63de06a3fbbda1a982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f0dd53839150725411c04cc4a97a9fffc925090fd1bb63de06a3fbbda1a982", kill_on_drop: false }`
[INFO] [stdout] 37f0dd53839150725411c04cc4a97a9fffc925090fd1bb63de06a3fbbda1a982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66cd205a2c0a9ead1d1cbcd3cea70eef4c0305ec533fe00c90a9bca10041c647
[INFO] running `Command { std: "docker" "start" "-a" "66cd205a2c0a9ead1d1cbcd3cea70eef4c0305ec533fe00c90a9bca10041c647", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling critical-section v0.2.6
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling stm32f0 v0.14.0
[INFO] [stderr]    Compiling atomic-polyfill v0.1.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking display-interface v0.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking bxcan v0.6.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking display-interface-i2c v0.4.0
[INFO] [stderr]     Checking display-interface-spi v0.4.1
[INFO] [stderr]     Checking shared-bus v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking ina260 v0.3.1
[INFO] [stderr]     Checking ssd1306 v0.7.0
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking stm32f0xx-hal v0.18.0
[INFO] [stderr]  Documenting mcumeter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 21.97s
[INFO] running `Command { std: "docker" "inspect" "66cd205a2c0a9ead1d1cbcd3cea70eef4c0305ec533fe00c90a9bca10041c647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cd205a2c0a9ead1d1cbcd3cea70eef4c0305ec533fe00c90a9bca10041c647", kill_on_drop: false }`
[INFO] [stdout] 66cd205a2c0a9ead1d1cbcd3cea70eef4c0305ec533fe00c90a9bca10041c647