[INFO] fetching crate stack-bitset 0.1.0...
[INFO] testing stack-bitset-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate stack-bitset 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate stack-bitset 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack-bitset 0.1.0
[INFO] finished tweaking crates.io crate stack-bitset 0.1.0
[INFO] tweaked toml for crates.io crate stack-bitset 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1cdf2afbb2c106d28da6c95623bf93570062f0e63467ba658b07c16bb2b64b5
[INFO] running `Command { std: "docker" "start" "-a" "e1cdf2afbb2c106d28da6c95623bf93570062f0e63467ba658b07c16bb2b64b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1cdf2afbb2c106d28da6c95623bf93570062f0e63467ba658b07c16bb2b64b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cdf2afbb2c106d28da6c95623bf93570062f0e63467ba658b07c16bb2b64b5", kill_on_drop: false }`
[INFO] [stdout] e1cdf2afbb2c106d28da6c95623bf93570062f0e63467ba658b07c16bb2b64b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e080aeb1fd21002e0e36cd6d414d582dc83f43616add458339a83c5c2b184c23
[INFO] running `Command { std: "docker" "start" "-a" "e080aeb1fd21002e0e36cd6d414d582dc83f43616add458339a83c5c2b184c23", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-bitset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     [(); usize_count(N)]: Sized,
[INFO] [stdout]    |                      ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     data: [usize; usize_count(N)],
[INFO] [stdout]    |                               ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     [(); usize_count(N)]: Sized,
[INFO] [stdout]    |                      ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:29:40
[INFO] [stdout]    |
[INFO] [stdout] 29 |             data: [0usize; usize_count(N)],
[INFO] [stdout]    |                                        ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[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(const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack-bitset` due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "e080aeb1fd21002e0e36cd6d414d582dc83f43616add458339a83c5c2b184c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e080aeb1fd21002e0e36cd6d414d582dc83f43616add458339a83c5c2b184c23", kill_on_drop: false }`
[INFO] [stdout] e080aeb1fd21002e0e36cd6d414d582dc83f43616add458339a83c5c2b184c23