[INFO] fetching crate aljabar 1.0.2...
[INFO] testing aljabar-1.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate aljabar 1.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate aljabar 1.0.2 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 aljabar 1.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate aljabar 1.0.2
[INFO] tweaked toml for crates.io crate aljabar 1.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] faaba3ae8a026011d72ffff6aad727f0eab130a973dc7308ed12d70f38da3774
[INFO] running `Command { std: "docker" "start" "-a" "faaba3ae8a026011d72ffff6aad727f0eab130a973dc7308ed12d70f38da3774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faaba3ae8a026011d72ffff6aad727f0eab130a973dc7308ed12d70f38da3774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faaba3ae8a026011d72ffff6aad727f0eab130a973dc7308ed12d70f38da3774", kill_on_drop: false }`
[INFO] [stdout] faaba3ae8a026011d72ffff6aad727f0eab130a973dc7308ed12d70f38da3774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 12134066faa2ba0e14edfe732ad84823f7d00ffd841e2a7fcca8aa8738947747
[INFO] running `Command { std: "docker" "start" "-a" "12134066faa2ba0e14edfe732ad84823f7d00ffd841e2a7fcca8aa8738947747", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling aljabar v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | #![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[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #![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: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/vector.rs:225:59
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub type TruncatedVector<T, const N: usize> = Vector<T, { N - 1 }>;
[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/vector.rs:232:58
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub type ExtendedVector<T, const N: usize> = Vector<T, { N + 1 }>;
[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:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | #![feature(const_evaluatable_checked)]
[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:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | #![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:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | #![feature(trivial_bounds)]
[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:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | #![feature(maybe_uninit_ref)]
[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:177:1
[INFO] [stdout]     |
[INFO] [stdout] 177 | #![feature(maybe_uninit_uninit_array)]
[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:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | #![feature(maybe_uninit_ref)]
[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:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | #![feature(maybe_uninit_uninit_array)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 1 warning emitted
[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 `aljabar` due to 12 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "12134066faa2ba0e14edfe732ad84823f7d00ffd841e2a7fcca8aa8738947747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12134066faa2ba0e14edfe732ad84823f7d00ffd841e2a7fcca8aa8738947747", kill_on_drop: false }`
[INFO] [stdout] 12134066faa2ba0e14edfe732ad84823f7d00ffd841e2a7fcca8aa8738947747