[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 1.55.0 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-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ackxolotl/game-of-life-avx 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/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-3/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" "+1.55.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d00b3fe275fac1e65dc602f97530b2aa2e829320c1a3c4ea4ffb362d79bfaf08
[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" "d00b3fe275fac1e65dc602f97530b2aa2e829320c1a3c4ea4ffb362d79bfaf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d00b3fe275fac1e65dc602f97530b2aa2e829320c1a3c4ea4ffb362d79bfaf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00b3fe275fac1e65dc602f97530b2aa2e829320c1a3c4ea4ffb362d79bfaf08", kill_on_drop: false }`
[INFO] [stdout] d00b3fe275fac1e65dc602f97530b2aa2e829320c1a3c4ea4ffb362d79bfaf08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 956614320e6156a8ae61197388763cd75a8e986962199e791f47b5a1d631b7c0
[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" "956614320e6156a8ae61197388763cd75a8e986962199e791f47b5a1d631b7c0", 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 stable 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" "956614320e6156a8ae61197388763cd75a8e986962199e791f47b5a1d631b7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956614320e6156a8ae61197388763cd75a8e986962199e791f47b5a1d631b7c0", kill_on_drop: false }`
[INFO] [stdout] 956614320e6156a8ae61197388763cd75a8e986962199e791f47b5a1d631b7c0