[INFO] cloning repository https://github.com/9elements/enter32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9elements/enter32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9elements%2Fenter32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9elements%2Fenter32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 829cd884718b6cea4d1128a978b4b64299b29c40
[INFO] documenting 9elements/enter32 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%2F9elements%2Fenter32" "/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/9elements/enter32 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 git repo https://github.com/9elements/enter32
[INFO] finished tweaking git repo https://github.com/9elements/enter32
[INFO] tweaked toml for git repo https://github.com/9elements/enter32 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/9elements/enter32 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/sphinxc0re/rust-rpi-rgb-led-matrix.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.11
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.0
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded sdl2-sys v0.31.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded flate2 v1.0.4
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded gilrs v0.6.1
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded sdl2 v0.31.0
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded melon v0.13.0
[INFO] [stderr]   Downloaded miniz_oxide v0.2.0
[INFO] [stderr]   Downloaded rmp v0.8.7
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded libc v0.2.43
[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] de9e44f58763c8216f06d1f0c9da7b4d827d083b8a70482a971820d9af5d7ca0
[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" "de9e44f58763c8216f06d1f0c9da7b4d827d083b8a70482a971820d9af5d7ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9e44f58763c8216f06d1f0c9da7b4d827d083b8a70482a971820d9af5d7ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9e44f58763c8216f06d1f0c9da7b4d827d083b8a70482a971820d9af5d7ca0", kill_on_drop: false }`
[INFO] [stdout] de9e44f58763c8216f06d1f0c9da7b4d827d083b8a70482a971820d9af5d7ca0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aea882fda7a061fb58d6814e4c63252bc36a20116c211dfcafe3c0d48d84dbca
[INFO] running `Command { std: "docker" "start" "-a" "aea882fda7a061fb58d6814e4c63252bc36a20116c211dfcafe3c0d48d84dbca", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling rpi-led-matrix v0.1.1 (https://github.com/sphinxc0re/rust-rpi-rgb-led-matrix.git#4e44d037)
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking gilrs v0.6.1
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking structopt v0.2.12
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking melon v0.13.0
[INFO] [stderr]  Documenting enter32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "aea882fda7a061fb58d6814e4c63252bc36a20116c211dfcafe3c0d48d84dbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea882fda7a061fb58d6814e4c63252bc36a20116c211dfcafe3c0d48d84dbca", kill_on_drop: false }`
[INFO] [stdout] aea882fda7a061fb58d6814e4c63252bc36a20116c211dfcafe3c0d48d84dbca