[INFO] fetching crate memegeom 0.1.0...
[INFO] documenting memegeom-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate memegeom 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate memegeom 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memegeom 0.1.0
[INFO] finished tweaking crates.io crate memegeom 0.1.0
[INFO] tweaked toml for crates.io crate memegeom 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-dense-bitset v0.1.1
[INFO] [stderr]   Downloaded nalgebra v0.30.1
[INFO] [stderr]   Downloaded earcutr v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc004ceb330b87948feb7192de78d4013eadcfe2281b6175776c34318852b262
[INFO] running `Command { std: "docker" "start" "-a" "dc004ceb330b87948feb7192de78d4013eadcfe2281b6175776c34318852b262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc004ceb330b87948feb7192de78d4013eadcfe2281b6175776c34318852b262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc004ceb330b87948feb7192de78d4013eadcfe2281b6175776c34318852b262", kill_on_drop: false }`
[INFO] [stdout] dc004ceb330b87948feb7192de78d4013eadcfe2281b6175776c34318852b262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6565d9a1f0cb245c075f7901f4f5496e1c77c36d41baeac9197a355c7593bc12
[INFO] running `Command { std: "docker" "start" "-a" "6565d9a1f0cb245c075f7901f4f5496e1c77c36d41baeac9197a355c7593bc12", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking auto_ops v0.3.0
[INFO] [stderr]     Checking rust-dense-bitset v0.1.1
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking earcutr v0.2.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]  Documenting memegeom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> 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 stable release channel
[INFO] [stdout]   --> 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 stable release channel
[INFO] [stdout]   --> 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[E0635]: unknown feature `drain_filter`
[INFO] [stdout]   --> 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 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `memegeom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name memegeom src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a1510eac49ac745f -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-ea8675ef3eb924a4.rmeta --extern auto_ops=/opt/rustwide/target/debug/deps/libauto_ops-9cb9e897cf3b6168.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-2b75f8676def9287.so --extern earcutr=/opt/rustwide/target/debug/deps/libearcutr-3dc4c109219828d3.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-7b5d6a386a5fa391.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-19a1944fe67b2323.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-b6e71d1696714b14.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7dc1c0137dba5ba1.rmeta --extern rust_dense_bitset=/opt/rustwide/target/debug/deps/librust_dense_bitset-a8fcd03d39372323.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1692f1df471f4bad.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-b330735ea27d7e7b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6565d9a1f0cb245c075f7901f4f5496e1c77c36d41baeac9197a355c7593bc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6565d9a1f0cb245c075f7901f4f5496e1c77c36d41baeac9197a355c7593bc12", kill_on_drop: false }`
[INFO] [stdout] 6565d9a1f0cb245c075f7901f4f5496e1c77c36d41baeac9197a355c7593bc12
