[INFO] cloning 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" "clone" "--bare" "https://github.com/JasonKleban/rust-rasp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonKleban%2Frust-rasp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonKleban%2Frust-rasp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecf71e2801d29a2f927e14754bfa833bc1f1a1e3
[INFO] testing JasonKleban/rust-rasp against 1.54.0 for beta-1.55-1
[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 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[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" "+1.54.0" "fetch" "--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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79e16a48ba763ab48a48ad9f5788e4d6da045a8016fb3c71c96ff2badfee95dc
[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" "79e16a48ba763ab48a48ad9f5788e4d6da045a8016fb3c71c96ff2badfee95dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79e16a48ba763ab48a48ad9f5788e4d6da045a8016fb3c71c96ff2badfee95dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e16a48ba763ab48a48ad9f5788e4d6da045a8016fb3c71c96ff2badfee95dc", kill_on_drop: false }`
[INFO] [stdout] 79e16a48ba763ab48a48ad9f5788e4d6da045a8016fb3c71c96ff2badfee95dc
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] f7d8d0e3a5527a8e53cb1dfa7d07b76c1c966de2f5f31e1e03ee05fd52a55852
[INFO] running `Command { std: "docker" "start" "-a" "f7d8d0e3a5527a8e53cb1dfa7d07b76c1c966de2f5f31e1e03ee05fd52a55852", 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 stable 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" "f7d8d0e3a5527a8e53cb1dfa7d07b76c1c966de2f5f31e1e03ee05fd52a55852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d8d0e3a5527a8e53cb1dfa7d07b76c1c966de2f5f31e1e03ee05fd52a55852", kill_on_drop: false }`
[INFO] [stdout] f7d8d0e3a5527a8e53cb1dfa7d07b76c1c966de2f5f31e1e03ee05fd52a55852
