[INFO] cloning repository https://github.com/ColeW-Picaro/rustsort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColeW-Picaro/rustsort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColeW-Picaro%2Frustsort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColeW-Picaro%2Frustsort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb62015106413c301b20c406a6f1cf08334b76da
[INFO] testing ColeW-Picaro/rustsort against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColeW-Picaro%2Frustsort" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColeW-Picaro/rustsort on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColeW-Picaro/rustsort
[INFO] finished tweaking git repo https://github.com/ColeW-Picaro/rustsort
[INFO] tweaked toml for git repo https://github.com/ColeW-Picaro/rustsort written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/ColeW-Picaro/rustsort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fccf70a472b24a10764c29203af7d0d4dec93fb67e844626237d2a68b6de8b06
[INFO] running `Command { std: "docker" "start" "-a" "fccf70a472b24a10764c29203af7d0d4dec93fb67e844626237d2a68b6de8b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fccf70a472b24a10764c29203af7d0d4dec93fb67e844626237d2a68b6de8b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccf70a472b24a10764c29203af7d0d4dec93fb67e844626237d2a68b6de8b06", kill_on_drop: false }`
[INFO] [stdout] fccf70a472b24a10764c29203af7d0d4dec93fb67e844626237d2a68b6de8b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad54abe0c4e236a6fbbde2c7fc1aa5a38fb5edd2fc419fdbb32ceda61fc76670
[INFO] running `Command { std: "docker" "start" "-a" "ad54abe0c4e236a6fbbde2c7fc1aa5a38fb5edd2fc419fdbb32ceda61fc76670", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rustsort 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:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(is_sorted)]
[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:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(slice_partition_at_index)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustsort` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad54abe0c4e236a6fbbde2c7fc1aa5a38fb5edd2fc419fdbb32ceda61fc76670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad54abe0c4e236a6fbbde2c7fc1aa5a38fb5edd2fc419fdbb32ceda61fc76670", kill_on_drop: false }`
[INFO] [stdout] ad54abe0c4e236a6fbbde2c7fc1aa5a38fb5edd2fc419fdbb32ceda61fc76670
