[INFO] cloning repository https://github.com/ackxolotl/game-of-life-avx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ackxolotl/game-of-life-avx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fackxolotl%2Fgame-of-life-avx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fackxolotl%2Fgame-of-life-avx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 879c77382972dda001545cbebebb8fd6359ab88f
[INFO] testing ackxolotl/game-of-life-avx against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fackxolotl%2Fgame-of-life-avx" "/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/ackxolotl/game-of-life-avx on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ackxolotl/game-of-life-avx
[INFO] finished tweaking git repo https://github.com/ackxolotl/game-of-life-avx
[INFO] tweaked toml for git repo https://github.com/ackxolotl/game-of-life-avx written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ackxolotl/game-of-life-avx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a65cb7fe830c252f7e7c8230a1be0fb30a861d538f9de577b5e5a81b5108f310
[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" "a65cb7fe830c252f7e7c8230a1be0fb30a861d538f9de577b5e5a81b5108f310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a65cb7fe830c252f7e7c8230a1be0fb30a861d538f9de577b5e5a81b5108f310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65cb7fe830c252f7e7c8230a1be0fb30a861d538f9de577b5e5a81b5108f310", kill_on_drop: false }`
[INFO] [stdout] a65cb7fe830c252f7e7c8230a1be0fb30a861d538f9de577b5e5a81b5108f310
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b32630b0ba3f55eb10ec248a7b016257b0772abc4592ffa3f29ef45d79c5ec51
[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" "b32630b0ba3f55eb10ec248a7b016257b0772abc4592ffa3f29ef45d79c5ec51", kill_on_drop: false }`
[INFO] [stderr]    Compiling game-of-life-avx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stdsimd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `step` found for union `M256` in the current scope
[INFO] [stdout]    --> src/main.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 16  | union M256 {
[INFO] [stdout]     | ---------- method `step` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 153 |             universe.step();
[INFO] [stdout]     |                      ^^^^ method not found in `M256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `step` found for union `M256` in the current scope
[INFO] [stdout]    --> src/main.rs:163:22
[INFO] [stdout]     |
[INFO] [stdout] 16  | union M256 {
[INFO] [stdout]     | ---------- method `step` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 163 |             universe.step();
[INFO] [stdout]     |                      ^^^^ method not found in `M256`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game-of-life-avx` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b32630b0ba3f55eb10ec248a7b016257b0772abc4592ffa3f29ef45d79c5ec51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32630b0ba3f55eb10ec248a7b016257b0772abc4592ffa3f29ef45d79c5ec51", kill_on_drop: false }`
[INFO] [stdout] b32630b0ba3f55eb10ec248a7b016257b0772abc4592ffa3f29ef45d79c5ec51