[INFO] cloning repository https://github.com/JohnCorby/big-fat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnCorby/big-fat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnCorby%2Fbig-fat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnCorby%2Fbig-fat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fba2d075daa6b509a149c489c427e2857fc6f5f
[INFO] documenting JohnCorby/big-fat 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%2FJohnCorby%2Fbig-fat" "/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/JohnCorby/big-fat 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/JohnCorby/big-fat
[INFO] finished tweaking git repo https://github.com/JohnCorby/big-fat
[INFO] tweaked toml for git repo https://github.com/JohnCorby/big-fat written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnCorby/big-fat 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 qstring v0.7.2
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded ureq v1.5.4
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded oboe-sys v0.3.0
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded fetch_unroll v0.2.2
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded cpal v0.13.1
[INFO] [stderr]   Downloaded rodio v0.13.0
[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" "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] 871108c969c87d38ba5835fc71778a20d66dcf2310621ae0a138943d920a31d1
[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" "871108c969c87d38ba5835fc71778a20d66dcf2310621ae0a138943d920a31d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "871108c969c87d38ba5835fc71778a20d66dcf2310621ae0a138943d920a31d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871108c969c87d38ba5835fc71778a20d66dcf2310621ae0a138943d920a31d1", kill_on_drop: false }`
[INFO] [stdout] 871108c969c87d38ba5835fc71778a20d66dcf2310621ae0a138943d920a31d1
[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" "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] 79c0cb9772161ef4aa48c866197542d40571b87c2e6ebd1105ff40533a77b178
[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" "79c0cb9772161ef4aa48c866197542d40571b87c2e6ebd1105ff40533a77b178", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]  Documenting big-fat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(panic_info_message)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `big-fat`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name big_fat src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-9d7610dbac9d7915.rmeta --extern hound=/opt/rustwide/target/debug/deps/libhound-4e7f2a568eadcbbe.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-77f5e64f4fa53b03.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-ffc378e7d9b4a343.rmeta --extern rodio=/opt/rustwide/target/debug/deps/librodio-0fb9e08e31ae6e34.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-13b8c5703ff5c619.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "79c0cb9772161ef4aa48c866197542d40571b87c2e6ebd1105ff40533a77b178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c0cb9772161ef4aa48c866197542d40571b87c2e6ebd1105ff40533a77b178", kill_on_drop: false }`
[INFO] [stdout] 79c0cb9772161ef4aa48c866197542d40571b87c2e6ebd1105ff40533a77b178
