[INFO] cloning repository https://github.com/laser/rust-adafruit-bonnet-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laser/rust-adafruit-bonnet-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaser%2Frust-adafruit-bonnet-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaser%2Frust-adafruit-bonnet-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a3dc92fecbfdf2337acc2a77211d8c0627ab6bf
[INFO] documenting laser/rust-adafruit-bonnet-playground 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%2Flaser%2Frust-adafruit-bonnet-playground" "/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/laser/rust-adafruit-bonnet-playground 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-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/laser/rust-adafruit-bonnet-playground
[INFO] finished tweaking git repo https://github.com/laser/rust-adafruit-bonnet-playground
[INFO] tweaked toml for git repo https://github.com/laser/rust-adafruit-bonnet-playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/laser/rust-adafruit-bonnet-playground 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]     Updating git repository `https://github.com/laser/linux-embedded-hal`
[INFO] [stderr]     Updating git repository `https://github.com/laser/rust-i2cdev`
[INFO] [stderr]     Updating git repository `https://github.com/nix-rust/nix/`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/libc`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded pest_meta v2.1.1
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded block-padding v0.1.4
[INFO] [stderr]   Downloaded tinybmp v0.1.0
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded data-encoding v2.1.2
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded pest v2.1.1
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded mio_httpc v0.8.6
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded serde v1.0.92
[INFO] [stderr]   Downloaded embedded-graphics v0.4.9
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded opaque-debug v0.2.2
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded ssd1306 v0.2.5
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded tinytga v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded libflate v0.1.23
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[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] [stdout] a44b3ff740d9b5d557c95b86bf05728f8516fff13c5a99313bd1d5e6911997ec
[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" "a44b3ff740d9b5d557c95b86bf05728f8516fff13c5a99313bd1d5e6911997ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a44b3ff740d9b5d557c95b86bf05728f8516fff13c5a99313bd1d5e6911997ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44b3ff740d9b5d557c95b86bf05728f8516fff13c5a99313bd1d5e6911997ec", kill_on_drop: false }`
[INFO] [stdout] a44b3ff740d9b5d557c95b86bf05728f8516fff13c5a99313bd1d5e6911997ec
[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] 6500c0efd7b3c1711633e7a698dc531e6938be5e9954777145379a2b16d944ee
[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" "6500c0efd7b3c1711633e7a698dc531e6938be5e9954777145379a2b16d944ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling libc v0.2.58 (https://github.com/rust-lang/libc#5bbba03e)
[INFO] [stderr]    Compiling nix v0.13.0 (https://github.com/nix-rust/nix/?rev=196b05b5c7b#196b05b5)
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ssd1306 v0.2.5
[INFO] [stderr]    Compiling mio_httpc v0.8.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking tinybmp v0.1.0
[INFO] [stderr]     Checking tinytga v0.1.0
[INFO] [stderr]     Checking embedded-graphics v0.4.9
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking i2cdev v0.4.1 (https://github.com/laser/rust-i2cdev#a148c1e2)
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2 (https://github.com/laser/linux-embedded-hal#09847e70)
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]  Documenting adafruit-bonnet-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.43s
[INFO] running `Command { std: "docker" "inspect" "6500c0efd7b3c1711633e7a698dc531e6938be5e9954777145379a2b16d944ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6500c0efd7b3c1711633e7a698dc531e6938be5e9954777145379a2b16d944ee", kill_on_drop: false }`
[INFO] [stdout] 6500c0efd7b3c1711633e7a698dc531e6938be5e9954777145379a2b16d944ee