[INFO] updating cached repository https://github.com/JasonKleban/rust-rasp
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecf71e2801d29a2f927e14754bfa833bc1f1a1e3
[INFO] testing JasonKleban/rust-rasp against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonKleban%2Frust-rasp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JasonKleban/rust-rasp on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JasonKleban/rust-rasp
[INFO] finished tweaking git repo https://github.com/JasonKleban/rust-rasp
[INFO] tweaked toml for git repo https://github.com/JasonKleban/rust-rasp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JasonKleban/rust-rasp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1690ec446c6988e05a882329e90f5c0ce7f4391bca36d3ec68233dc7f6f4ea8
[INFO] running `Command { std: "docker" "start" "-a" "a1690ec446c6988e05a882329e90f5c0ce7f4391bca36d3ec68233dc7f6f4ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1690ec446c6988e05a882329e90f5c0ce7f4391bca36d3ec68233dc7f6f4ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1690ec446c6988e05a882329e90f5c0ce7f4391bca36d3ec68233dc7f6f4ea8", kill_on_drop: false }`
[INFO] [stdout] a1690ec446c6988e05a882329e90f5c0ce7f4391bca36d3ec68233dc7f6f4ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e374d4c73155ca35c682d896bab98c96c82c1f9210b4a7e19eec663078fe6f7a
[INFO] running `Command { std: "docker" "start" "-a" "e374d4c73155ca35c682d896bab98c96c82c1f9210b4a7e19eec663078fe6f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-rasp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> kernel.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lang_items, asm)]
[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 `rust-rasp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e374d4c73155ca35c682d896bab98c96c82c1f9210b4a7e19eec663078fe6f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e374d4c73155ca35c682d896bab98c96c82c1f9210b4a7e19eec663078fe6f7a", kill_on_drop: false }`
[INFO] [stdout] e374d4c73155ca35c682d896bab98c96c82c1f9210b4a7e19eec663078fe6f7a