[INFO] fetching crate lun 0.0.1...
[INFO] testing lun-0.0.1 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate lun 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate lun 0.0.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lun 0.0.1
[INFO] finished tweaking crates.io crate lun 0.0.1
[INFO] tweaked toml for crates.io crate lun 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate lun 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 651366f968b5849c1ae2ed72f6658c412bdc55122dc626d2b717cdde3dad80f9
[INFO] running `Command { std: "docker" "start" "-a" "651366f968b5849c1ae2ed72f6658c412bdc55122dc626d2b717cdde3dad80f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651366f968b5849c1ae2ed72f6658c412bdc55122dc626d2b717cdde3dad80f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651366f968b5849c1ae2ed72f6658c412bdc55122dc626d2b717cdde3dad80f9", kill_on_drop: false }`
[INFO] [stdout] 651366f968b5849c1ae2ed72f6658c412bdc55122dc626d2b717cdde3dad80f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e1b7f4931d2dbba9b0522e6662e88e7587ad2e94113cc6bc62bf47262d0208e
[INFO] running `Command { std: "docker" "start" "-a" "0e1b7f4931d2dbba9b0522e6662e88e7587ad2e94113cc6bc62bf47262d0208e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]    Compiling num_enum v0.5.6
[INFO] [stderr]    Compiling lun v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `mixed_integer_ops` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lun` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0e1b7f4931d2dbba9b0522e6662e88e7587ad2e94113cc6bc62bf47262d0208e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1b7f4931d2dbba9b0522e6662e88e7587ad2e94113cc6bc62bf47262d0208e", kill_on_drop: false }`
[INFO] [stdout] 0e1b7f4931d2dbba9b0522e6662e88e7587ad2e94113cc6bc62bf47262d0208e
