[INFO] cloning repository https://github.com/brdgme/rand-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brdgme/rand-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8730ea063b3bcb971ad4d855685abafd776d1417
[INFO] documenting brdgme/rand-bot against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frand-bot" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brdgme/rand-bot on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brdgme/rand-bot
[INFO] finished tweaking git repo https://github.com/brdgme/rand-bot
[INFO] tweaked toml for git repo https://github.com/brdgme/rand-bot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/rand-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded redox_syscall v0.1.26
[INFO] [stderr]   Downloaded backtrace-sys v0.1.12
[INFO] [stderr]   Downloaded combine v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d448ab2fb30bae94ecd8aeb38dc8ae2f5a42c2ee2f150c9a9e38bd3e1876ac4b
[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" "d448ab2fb30bae94ecd8aeb38dc8ae2f5a42c2ee2f150c9a9e38bd3e1876ac4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d448ab2fb30bae94ecd8aeb38dc8ae2f5a42c2ee2f150c9a9e38bd3e1876ac4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d448ab2fb30bae94ecd8aeb38dc8ae2f5a42c2ee2f150c9a9e38bd3e1876ac4b", kill_on_drop: false }`
[INFO] [stdout] d448ab2fb30bae94ecd8aeb38dc8ae2f5a42c2ee2f150c9a9e38bd3e1876ac4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa0023f6f0ecaa8378bd89a41ab86518d541d85195f220f0cd5e01990c6bd023
[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" "fa0023f6f0ecaa8378bd89a41ab86518d541d85195f220f0cd5e01990c6bd023", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking combine v2.4.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking brdgme-color v0.1.0 (https://github.com/brdgme/color.git#fb12155e)
[INFO] [stderr]     Checking brdgme-markup v0.1.0 (https://github.com/brdgme/markup.git#9440152f)
[INFO] [stderr]     Checking brdgme-game v0.1.0 (https://github.com/brdgme/game.git#439a12d7)
[INFO] [stderr]     Checking brdgme-cmd v0.1.0 (https://github.com/brdgme/cmd.git#e749204e)
[INFO] [stderr]  Documenting brdgme-rand-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `brdgme-rand-bot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name brdgme_rand_bot src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern brdgme_cmd=/opt/rustwide/target/debug/deps/libbrdgme_cmd-19e70455e2d0aca6.rmeta --extern brdgme_game=/opt/rustwide/target/debug/deps/libbrdgme_game-6e328ee7fd3eae48.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c8592d85da4f3157.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-fec34fb38b7a0e7d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-23f95b56cb902f0c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fa0023f6f0ecaa8378bd89a41ab86518d541d85195f220f0cd5e01990c6bd023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0023f6f0ecaa8378bd89a41ab86518d541d85195f220f0cd5e01990c6bd023", kill_on_drop: false }`
[INFO] [stdout] fa0023f6f0ecaa8378bd89a41ab86518d541d85195f220f0cd5e01990c6bd023
