[INFO] cloning repository https://github.com/c410-f3r/stack-based-vec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c410-f3r/stack-based-vec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc410-f3r%2Fstack-based-vec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc410-f3r%2Fstack-based-vec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d0f1569b88fbe5928e33f404111ede18c70dc4f
[INFO] testing c410-f3r/stack-based-vec against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc410-f3r%2Fstack-based-vec" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c410-f3r/stack-based-vec on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/c410-f3r/stack-based-vec
[INFO] finished tweaking git repo https://github.com/c410-f3r/stack-based-vec
[INFO] tweaked toml for git repo https://github.com/c410-f3r/stack-based-vec written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/c410-f3r/stack-based-vec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54654a3dcee66125c1358dd7cefbec5dc603486b60904ed7a4d7227b99969a08
[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" "54654a3dcee66125c1358dd7cefbec5dc603486b60904ed7a4d7227b99969a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54654a3dcee66125c1358dd7cefbec5dc603486b60904ed7a4d7227b99969a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54654a3dcee66125c1358dd7cefbec5dc603486b60904ed7a4d7227b99969a08", kill_on_drop: false }`
[INFO] [stdout] 54654a3dcee66125c1358dd7cefbec5dc603486b60904ed7a4d7227b99969a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bec453cb4ffd0b6605fbc59835800022a0c194d269e7cd3ba07e4e75a667e19
[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" "9bec453cb4ffd0b6605fbc59835800022a0c194d269e7cd3ba07e4e75a667e19", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-based-vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![feature(
[INFO] [stdout] 2  | |     const_maybe_uninit_as_ptr,
[INFO] [stdout] 3  | |     const_mut_refs,
[INFO] [stdout] 4  | |     const_raw_ptr_deref,
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | |     trusted_len
[INFO] [stdout] 10 | | )]
[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 `stack-based-vec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9bec453cb4ffd0b6605fbc59835800022a0c194d269e7cd3ba07e4e75a667e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bec453cb4ffd0b6605fbc59835800022a0c194d269e7cd3ba07e4e75a667e19", kill_on_drop: false }`
[INFO] [stdout] 9bec453cb4ffd0b6605fbc59835800022a0c194d269e7cd3ba07e4e75a667e19
