[INFO] cloning repository https://github.com/BeniCheni/game-of-life-rs-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BeniCheni/game-of-life-rs-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniCheni%2Fgame-of-life-rs-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniCheni%2Fgame-of-life-rs-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 450a53f62bcf04a133b842681fcc424beee1d939
[INFO] checking BeniCheni/game-of-life-rs-wasm against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeniCheni%2Fgame-of-life-rs-wasm" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BeniCheni/game-of-life-rs-wasm on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BeniCheni/game-of-life-rs-wasm
[INFO] finished tweaking git repo https://github.com/BeniCheni/game-of-life-rs-wasm
[INFO] tweaked toml for git repo https://github.com/BeniCheni/game-of-life-rs-wasm written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/BeniCheni/game-of-life-rs-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f954644dae6b02849b4e104def282b0631da329d22bdca1f396ea5fac7dfba9
[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" "3f954644dae6b02849b4e104def282b0631da329d22bdca1f396ea5fac7dfba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f954644dae6b02849b4e104def282b0631da329d22bdca1f396ea5fac7dfba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f954644dae6b02849b4e104def282b0631da329d22bdca1f396ea5fac7dfba9", kill_on_drop: false }`
[INFO] [stdout] 3f954644dae6b02849b4e104def282b0631da329d22bdca1f396ea5fac7dfba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc7d468518db22e1798756f2bf590018c9869bdfb9840aa972d49b261144461b
[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" "fc7d468518db22e1798756f2bf590018c9869bdfb9840aa972d49b261144461b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.54
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.54
[INFO] [stderr]    Compiling anyhow v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.54
[INFO] [stderr]     Checking js-sys v0.3.31
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.31
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.4
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.4
[INFO] [stderr]     Checking wasm-game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasm_bindgen::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys::console`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use web_sys::console;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use wasm_bindgen::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys::console`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use web_sys::console;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-game-of-life`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fc7d468518db22e1798756f2bf590018c9869bdfb9840aa972d49b261144461b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7d468518db22e1798756f2bf590018c9869bdfb9840aa972d49b261144461b", kill_on_drop: false }`
[INFO] [stdout] fc7d468518db22e1798756f2bf590018c9869bdfb9840aa972d49b261144461b