[INFO] cloning repository https://github.com/Edgeworth/memegeom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Edgeworth/memegeom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemegeom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemegeom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b6f6d4b15674f5dab3123b48a576eeb155f149
[INFO] testing Edgeworth/memegeom against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemegeom" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Edgeworth/memegeom on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Edgeworth/memegeom
[INFO] finished tweaking git repo https://github.com/Edgeworth/memegeom
[INFO] tweaked toml for git repo https://github.com/Edgeworth/memegeom written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "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 auto_ops v0.3.0
[INFO] [stderr]   Downloaded earcutr v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf0b038f35c78e33cfcd9e272479afb80cf2c5721edd79811f4c7c2f142f7b1
[INFO] running `Command { std: "docker" "start" "-a" "9bf0b038f35c78e33cfcd9e272479afb80cf2c5721edd79811f4c7c2f142f7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf0b038f35c78e33cfcd9e272479afb80cf2c5721edd79811f4c7c2f142f7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf0b038f35c78e33cfcd9e272479afb80cf2c5721edd79811f4c7c2f142f7b1", kill_on_drop: false }`
[INFO] [stdout] 9bf0b038f35c78e33cfcd9e272479afb80cf2c5721edd79811f4c7c2f142f7b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f3a0fdbb66c8588c7d8590754443ce992723ddd7bfba209c2bf53bec01bb22
[INFO] running `Command { std: "docker" "start" "-a" "e2f3a0fdbb66c8588c7d8590754443ce992723ddd7bfba209c2bf53bec01bb22", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling wide v0.7.13
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling rust-dense-bitset v0.1.1
[INFO] [stderr]    Compiling earcutr v0.4.3
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling nalgebra v0.32.3
[INFO] [stderr]    Compiling 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, extract_if)]
[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, extract_if)]
[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, extract_if)]
[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` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e2f3a0fdbb66c8588c7d8590754443ce992723ddd7bfba209c2bf53bec01bb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f3a0fdbb66c8588c7d8590754443ce992723ddd7bfba209c2bf53bec01bb22", kill_on_drop: false }`
[INFO] [stdout] e2f3a0fdbb66c8588c7d8590754443ce992723ddd7bfba209c2bf53bec01bb22
