[INFO] cloning repository https://github.com/by77er/term-world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/by77er/term-world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fterm-world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fterm-world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 721f98a4c0d27b783df58990a37dbf7da8fe3af3
[INFO] documenting by77er/term-world 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%2Fby77er%2Fterm-world" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/by77er/term-world 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/by77er/term-world
[INFO] finished tweaking git repo https://github.com/by77er/term-world
[INFO] tweaked toml for git repo https://github.com/by77er/term-world written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/by77er/term-world 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded inflate v0.3.4
[INFO] [stderr]   Downloaded noise v0.5.1
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 849609e397ad779367c0d528684c928d527ba062bb331d6a61b776683d7d4b1b
[INFO] running `Command { std: "docker" "start" "-a" "849609e397ad779367c0d528684c928d527ba062bb331d6a61b776683d7d4b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "849609e397ad779367c0d528684c928d527ba062bb331d6a61b776683d7d4b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849609e397ad779367c0d528684c928d527ba062bb331d6a61b776683d7d4b1b", kill_on_drop: false }`
[INFO] [stdout] 849609e397ad779367c0d528684c928d527ba062bb331d6a61b776683d7d4b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 52ecefbeed708a92d4932ec0e732daffdb7be72b196548fcd06a35dd74dad406
[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" "52ecefbeed708a92d4932ec0e732daffdb7be72b196548fcd06a35dd74dad406", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking noise v0.5.1
[INFO] [stderr]  Documenting rgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.79s
[INFO] running `Command { std: "docker" "inspect" "52ecefbeed708a92d4932ec0e732daffdb7be72b196548fcd06a35dd74dad406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ecefbeed708a92d4932ec0e732daffdb7be72b196548fcd06a35dd74dad406", kill_on_drop: false }`
[INFO] [stdout] 52ecefbeed708a92d4932ec0e732daffdb7be72b196548fcd06a35dd74dad406