[INFO] fetching crate staticsort 0.4.2...
[INFO] testing staticsort-0.4.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate staticsort 0.4.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate staticsort 0.4.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate staticsort 0.4.2
[INFO] finished tweaking crates.io crate staticsort 0.4.2
[INFO] tweaked toml for crates.io crate staticsort 0.4.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate staticsort 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cf51729603154c1a9ce24d15da3bb47e54ed4ccae7c03bc19e52f9eb3800de7
[INFO] running `Command { std: "docker" "start" "-a" "5cf51729603154c1a9ce24d15da3bb47e54ed4ccae7c03bc19e52f9eb3800de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cf51729603154c1a9ce24d15da3bb47e54ed4ccae7c03bc19e52f9eb3800de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf51729603154c1a9ce24d15da3bb47e54ed4ccae7c03bc19e52f9eb3800de7", kill_on_drop: false }`
[INFO] [stdout] 5cf51729603154c1a9ce24d15da3bb47e54ed4ccae7c03bc19e52f9eb3800de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe9f4db290e2a5a26659559e11d6bc176fab96cf1051f6deb0dc08d082a6e7a
[INFO] running `Command { std: "docker" "start" "-a" "dbe9f4db290e2a5a26659559e11d6bc176fab96cf1051f6deb0dc08d082a6e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling staticsort v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / #![feature(
[INFO] [stdout] 4 | |   adt_const_params,
[INFO] [stdout] 5 | |   const_fn_floating_point_arithmetic,
[INFO] [stdout] 6 | |   generic_const_exprs
[INFO] [stdout] 7 | | )]
[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 `staticsort` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dbe9f4db290e2a5a26659559e11d6bc176fab96cf1051f6deb0dc08d082a6e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe9f4db290e2a5a26659559e11d6bc176fab96cf1051f6deb0dc08d082a6e7a", kill_on_drop: false }`
[INFO] [stdout] dbe9f4db290e2a5a26659559e11d6bc176fab96cf1051f6deb0dc08d082a6e7a