[INFO] cloning repository https://github.com/jjwest/gameoflife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjwest/gameoflife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjwest%2Fgameoflife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjwest%2Fgameoflife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c08d80c800f3c179f0ff9d2233b93deea12b8b
[INFO] checking jjwest/gameoflife against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjwest%2Fgameoflife" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jjwest/gameoflife 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/jjwest/gameoflife
[INFO] finished tweaking git repo https://github.com/jjwest/gameoflife
[INFO] tweaked toml for git repo https://github.com/jjwest/gameoflife written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jjwest/gameoflife 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f75c6e1a34282c9a9efc1cd01d514c8825c4f2b04a0d3df11be774da7897df7c
[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" "f75c6e1a34282c9a9efc1cd01d514c8825c4f2b04a0d3df11be774da7897df7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f75c6e1a34282c9a9efc1cd01d514c8825c4f2b04a0d3df11be774da7897df7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75c6e1a34282c9a9efc1cd01d514c8825c4f2b04a0d3df11be774da7897df7c", kill_on_drop: false }`
[INFO] [stdout] f75c6e1a34282c9a9efc1cd01d514c8825c4f2b04a0d3df11be774da7897df7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5d1c1ccc9b6bdcc9eb4e6db17b21e4d33996e0f1dda06f6ca58a287f3a824408
[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" "5d1c1ccc9b6bdcc9eb4e6db17b21e4d33996e0f1dda06f6ca58a287f3a824408", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]     Checking glib v0.3.0
[INFO] [stderr]     Checking pango v0.2.0
[INFO] [stderr]     Checking gameoflife 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(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(proc_macro)]
[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 `gameoflife`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "5d1c1ccc9b6bdcc9eb4e6db17b21e4d33996e0f1dda06f6ca58a287f3a824408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1c1ccc9b6bdcc9eb4e6db17b21e4d33996e0f1dda06f6ca58a287f3a824408", kill_on_drop: false }`
[INFO] [stdout] 5d1c1ccc9b6bdcc9eb4e6db17b21e4d33996e0f1dda06f6ca58a287f3a824408