[INFO] cloning repository https://github.com/Edgeworth/memedsn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Edgeworth/memedsn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemedsn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemedsn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e43be26c2edc69c8aff03bf8bd532417edb45c3d
[INFO] documenting Edgeworth/memedsn 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%2FEdgeworth%2Fmemedsn" "/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/Edgeworth/memedsn 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/Edgeworth/memedsn
[INFO] finished tweaking git repo https://github.com/Edgeworth/memedsn
[INFO] tweaked toml for git repo https://github.com/Edgeworth/memedsn written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Edgeworth/memedsn 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] 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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c094eab6fbd1b69efc75dd6db0a32737a9a3db139ca0f34d0271a938176c6b
[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" "f6c094eab6fbd1b69efc75dd6db0a32737a9a3db139ca0f34d0271a938176c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c094eab6fbd1b69efc75dd6db0a32737a9a3db139ca0f34d0271a938176c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c094eab6fbd1b69efc75dd6db0a32737a9a3db139ca0f34d0271a938176c6b", kill_on_drop: false }`
[INFO] [stdout] f6c094eab6fbd1b69efc75dd6db0a32737a9a3db139ca0f34d0271a938176c6b
[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: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] 2cbd6cdae16760c8c485355f6e4b650e532189b679d8fa879787c835908be068
[INFO] running `Command { std: "docker" "start" "-a" "2cbd6cdae16760c8c485355f6e4b650e532189b679d8fa879787c835908be068", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rust-dense-bitset v0.1.1
[INFO] [stderr]     Checking auto_ops v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking earcutr v0.2.0
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking memegeom v0.1.0 (https://github.com/Edgeworth/memegeom#dea53439)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/memegeom-cf37ffe793904b2d/dea5343/src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(array_chunks, array_windows, drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/memegeom-cf37ffe793904b2d/dea5343/src/lib.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(array_chunks, array_windows, drain_filter)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/memegeom-cf37ffe793904b2d/dea5343/src/lib.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(array_chunks, array_windows, drain_filter)]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 compile `memegeom` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2cbd6cdae16760c8c485355f6e4b650e532189b679d8fa879787c835908be068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbd6cdae16760c8c485355f6e4b650e532189b679d8fa879787c835908be068", kill_on_drop: false }`
[INFO] [stdout] 2cbd6cdae16760c8c485355f6e4b650e532189b679d8fa879787c835908be068