[INFO] cloning repository https://github.com/stefan-blair/tetrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefan-blair/tetrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-blair%2Ftetrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-blair%2Ftetrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 976d1856a68d19a8d87fad23c3f2ed368614e166
[INFO] documenting stefan-blair/tetrust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-blair%2Ftetrust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefan-blair/tetrust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stefan-blair/tetrust
[INFO] finished tweaking git repo https://github.com/stefan-blair/tetrust
[INFO] tweaked toml for git repo https://github.com/stefan-blair/tetrust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/stefan-blair/tetrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 4b582e4f56a4864f6b090603cdbeb65445f73b5e9f46e93c62a0ebb42608b242
[INFO] running `Command { std: "docker" "start" "-a" "4b582e4f56a4864f6b090603cdbeb65445f73b5e9f46e93c62a0ebb42608b242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b582e4f56a4864f6b090603cdbeb65445f73b5e9f46e93c62a0ebb42608b242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b582e4f56a4864f6b090603cdbeb65445f73b5e9f46e93c62a0ebb42608b242", kill_on_drop: false }`
[INFO] [stdout] 4b582e4f56a4864f6b090603cdbeb65445f73b5e9f46e93c62a0ebb42608b242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 39fc60c1d8536fe1e2aa43f14535f6012d615aaccd8d6981e45a042bc0c8fb54
[INFO] running `Command { std: "docker" "start" "-a" "39fc60c1d8536fe1e2aa43f14535f6012d615aaccd8d6981e45a042bc0c8fb54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling sapp-linux v0.1.12
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking ttf-parser v0.8.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.2
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]     Checking bumpalo v3.6.1
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking fontdue v0.4.0
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.30
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking rodio v0.13.1
[INFO] [stderr]     Checking macroquad v0.3.1
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]  Documenting tetris 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(const_fn_floating_point_arithmetic)]
[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 `tetris`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name tetris src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=0c15c5b77b172142 -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-b18df244fac1517d.so --extern futures=/opt/rustwide/target/debug/deps/libfutures-45a70b9b832aa246.rmeta --extern macroquad=/opt/rustwide/target/debug/deps/libmacroquad-6fdc1313ebd02be6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-af6604a8ac28ccf8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1e2521a3c9f5a6a8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6110a514424c0035.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "39fc60c1d8536fe1e2aa43f14535f6012d615aaccd8d6981e45a042bc0c8fb54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fc60c1d8536fe1e2aa43f14535f6012d615aaccd8d6981e45a042bc0c8fb54", kill_on_drop: false }`
[INFO] [stdout] 39fc60c1d8536fe1e2aa43f14535f6012d615aaccd8d6981e45a042bc0c8fb54