[INFO] cloning repository https://github.com/wrnrlr/g3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrnrlr/g3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrnrlr%2Fg3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrnrlr%2Fg3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61ccc26cbcf67040c9e6f032ebc88ad18ca13cf9
[INFO] testing wrnrlr/g3 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrnrlr%2Fg3" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wrnrlr/g3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wrnrlr/g3
[INFO] finished tweaking git repo https://github.com/wrnrlr/g3
[INFO] tweaked toml for git repo https://github.com/wrnrlr/g3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wrnrlr/g3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1546723d74c8e9338e2cec24ef5048175446e544e7ef3cc408a3d93cc6385d72
[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" "1546723d74c8e9338e2cec24ef5048175446e544e7ef3cc408a3d93cc6385d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1546723d74c8e9338e2cec24ef5048175446e544e7ef3cc408a3d93cc6385d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1546723d74c8e9338e2cec24ef5048175446e544e7ef3cc408a3d93cc6385d72", kill_on_drop: false }`
[INFO] [stdout] 1546723d74c8e9338e2cec24ef5048175446e544e7ef3cc408a3d93cc6385d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1affb81b582b5c1b3611af609d543282b1d55c7bc16fbca0cdc125a2e87ba38c
[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" "1affb81b582b5c1b3611af609d543282b1d55c7bc16fbca0cdc125a2e87ba38c", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_simd v0.1.0 (https://github.com/rust-lang/stdsimd#d4287530)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stdsimd-26e23068d55c82a1/d428753/crates/core_simd/src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / #![feature(
[INFO] [stdout] 4  | |     const_evaluatable_checked,
[INFO] [stdout] 5  | |     const_fn_trait_bound,
[INFO] [stdout] 6  | |     const_generics,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     stdsimd
[INFO] [stdout] 12 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0077]: SIMD vector element type should be a primitive scalar (integer/float/pointer) type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stdsimd-26e23068d55c82a1/d428753/crates/core_simd/src/vector.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / pub struct Simd<T, const LANES: usize>([T; LANES])
[INFO] [stdout] 17 | | where
[INFO] [stdout] 18 | |     T: SimdElement,
[INFO] [stdout] 19 | |     LaneCount<LANES>: SupportedLaneCount;
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0077, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0077`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core_simd` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1affb81b582b5c1b3611af609d543282b1d55c7bc16fbca0cdc125a2e87ba38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1affb81b582b5c1b3611af609d543282b1d55c7bc16fbca0cdc125a2e87ba38c", kill_on_drop: false }`
[INFO] [stdout] 1affb81b582b5c1b3611af609d543282b1d55c7bc16fbca0cdc125a2e87ba38c