[INFO] cloning repository https://github.com/Milo-Shen/WebAssembly-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Milo-Shen/WebAssembly-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilo-Shen%2FWebAssembly-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilo-Shen%2FWebAssembly-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59da9ca7ed2344d5f711a1ebc332d772e6ddf5e
[INFO] testing Milo-Shen/WebAssembly-Rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilo-Shen%2FWebAssembly-Rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Milo-Shen/WebAssembly-Rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Milo-Shen/WebAssembly-Rust
[INFO] finished tweaking git repo https://github.com/Milo-Shen/WebAssembly-Rust
[INFO] tweaked toml for git repo https://github.com/Milo-Shen/WebAssembly-Rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Milo-Shen/WebAssembly-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] eb6f7e4dc96832f39785dd2473bb811e6afd32566b4339c6895b0b566c6ca735
[INFO] running `Command { std: "docker" "start" "-a" "eb6f7e4dc96832f39785dd2473bb811e6afd32566b4339c6895b0b566c6ca735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb6f7e4dc96832f39785dd2473bb811e6afd32566b4339c6895b0b566c6ca735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6f7e4dc96832f39785dd2473bb811e6afd32566b4339c6895b0b566c6ca735", kill_on_drop: false }`
[INFO] [stdout] eb6f7e4dc96832f39785dd2473bb811e6afd32566b4339c6895b0b566c6ca735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85aaf04b0b3573adff4f572523c2d210df2e8c2c608652a169c987852fe50403
[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" "85aaf04b0b3573adff4f572523c2d210df2e8c2c608652a169c987852fe50403", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling core_simd v0.1.0 (https://github.com/rust-lang/portable-simd#72df4c45)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/portable-simd-311bd65e6952a0da/72df4c4/crates/core_simd/src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / #![feature(
[INFO] [stdout] 3  | |     convert_float_to_int,
[INFO] [stdout] 4  | |     decl_macro,
[INFO] [stdout] 5  | |     intra_doc_pointers,
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     stdsimd
[INFO] [stdout] 11 | | )]
[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/portable-simd-311bd65e6952a0da/72df4c4/crates/core_simd/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert_float_to_int,
[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/portable-simd-311bd65e6952a0da/72df4c4/crates/core_simd/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     stdsimd
[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 `core_simd` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "85aaf04b0b3573adff4f572523c2d210df2e8c2c608652a169c987852fe50403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85aaf04b0b3573adff4f572523c2d210df2e8c2c608652a169c987852fe50403", kill_on_drop: false }`
[INFO] [stdout] 85aaf04b0b3573adff4f572523c2d210df2e8c2c608652a169c987852fe50403