[INFO] updating cached repository https://github.com/mythmon/gameofwar
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbe7ddd2f3a9ca744260d9c7bd0d646c0f6ee772
[INFO] checking mythmon/gameofwar against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythmon%2Fgameofwar" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mythmon/gameofwar on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mythmon/gameofwar
[INFO] finished tweaking git repo https://github.com/mythmon/gameofwar
[INFO] tweaked toml for git repo https://github.com/mythmon/gameofwar written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mythmon/gameofwar already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6cf786195d2bdfb66287df12807562efc62bcfcadc82ecb5f57f352226d62613
[INFO] running `"docker" "start" "-a" "6cf786195d2bdfb66287df12807562efc62bcfcadc82ecb5f57f352226d62613"`
[INFO] [stderr]     Checking piston-texture v0.3.0
[INFO] [stderr]     Checking pistoncore-window v0.15.0
[INFO] [stderr]     Checking freetype-rs v0.5.0
[INFO] [stderr]     Checking image v0.6.1
[INFO] [stderr]     Checking piston2d-graphics v0.13.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.18.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.21.0
[INFO] [stderr]     Checking piston v0.18.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.23.0
[INFO] [stderr]     Checking gameofwar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stderr]  --> src/utils/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(zero_one)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `gameofwar`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stderr]  --> src/utils/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(zero_one)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `gameofwar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6cf786195d2bdfb66287df12807562efc62bcfcadc82ecb5f57f352226d62613"`
[INFO] running `"docker" "rm" "-f" "6cf786195d2bdfb66287df12807562efc62bcfcadc82ecb5f57f352226d62613"`
[INFO] [stdout] 6cf786195d2bdfb66287df12807562efc62bcfcadc82ecb5f57f352226d62613