[INFO] fetching crate simple_wfc 0.1.0-alpha.7...
[INFO] testing simple_wfc-0.1.0-alpha.7 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate simple_wfc 0.1.0-alpha.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate simple_wfc 0.1.0-alpha.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate simple_wfc 0.1.0-alpha.7
[INFO] tweaked toml for crates.io crate simple_wfc 0.1.0-alpha.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_wfc 0.1.0-alpha.7 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simple_wfc 0.1.0-alpha.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded symbolic-common v12.16.3
[INFO] [stderr]   Downloaded pprof v0.15.0
[INFO] [stderr]   Downloaded symbolic-demangle v12.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f
[INFO] running `Command { std: "docker" "start" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling simple_wfc v0.1.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling symbolic-demangle v12.16.3
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling pprof v0.15.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling symbolic-common v12.16.3
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling equator v0.4.2
[INFO] [stderr]    Compiling aligned-vec v0.6.4
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling simple_wfc v0.1.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(test, feature(test))]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_wfc` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f", kill_on_drop: false }`
[INFO] [stdout] e0f378cdc7a8d12cd32f78e759d9bf0f88c018ea9e287c2dfe69525bf1cf969f
