[INFO] fetching crate aljabar 1.0.2...
[INFO] testing aljabar-1.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate aljabar 1.0.2 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aljabar 1.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding paste v0.1.18 (available: v1.0.15)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.15.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4c3458f07b9ea51ce0b27f23fd55f50c0ded3942b3419b0c0ba4357e4a5003b
[INFO] running `Command { std: "docker" "start" "-a" "b4c3458f07b9ea51ce0b27f23fd55f50c0ded3942b3419b0c0ba4357e4a5003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c3458f07b9ea51ce0b27f23fd55f50c0ded3942b3419b0c0ba4357e4a5003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c3458f07b9ea51ce0b27f23fd55f50c0ded3942b3419b0c0ba4357e4a5003b", kill_on_drop: false }`
[INFO] [stdout] b4c3458f07b9ea51ce0b27f23fd55f50c0ded3942b3419b0c0ba4357e4a5003b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43f953b938fe28addb2ed30e4aa679ad81a86ff46c740c065ab43218a52c139
[INFO] running `Command { std: "docker" "start" "-a" "e43f953b938fe28addb2ed30e4aa679ad81a86ff46c740c065ab43218a52c139", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling smallvec v0.6.14
[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: removed in 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[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 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[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 here, i.e. `N`
[INFO] [stdout]     = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[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 here, i.e. `N`
[INFO] [stdout]     = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
[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[E0635]: unknown feature `maybe_uninit_uninit_array`
[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] error[E0599]: no function or associated item named `uninit_array` found for union `std::mem::MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/matrix.rs:885:61
[INFO] [stdout]     |
[INFO] [stdout] 885 |         let mut arr: [MaybeUninit<usize>; N] = MaybeUninit::uninit_array();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^ function or associated item not found in `std::mem::MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `std::mem::MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       std::mem::MaybeUninit::<T>::new
[INFO] [stdout]       std::mem::MaybeUninit::<T>::uninit
[INFO] [stdout]       std::mem::MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout] help: there is an associated function `uninit` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 885 -         let mut arr: [MaybeUninit<usize>; N] = MaybeUninit::uninit_array();
[INFO] [stdout] 885 +         let mut arr: [MaybeUninit<usize>; N] = MaybeUninit::uninit();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aljabar` (lib) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e43f953b938fe28addb2ed30e4aa679ad81a86ff46c740c065ab43218a52c139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43f953b938fe28addb2ed30e4aa679ad81a86ff46c740c065ab43218a52c139", kill_on_drop: false }`
[INFO] [stdout] e43f953b938fe28addb2ed30e4aa679ad81a86ff46c740c065ab43218a52c139
