[INFO] fetching crate aljabar 1.0.2... [INFO] checking aljabar-1.0.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate aljabar 1.0.2 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate aljabar 1.0.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 30 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 216949342a869d3923df43f60a83b8c5130e56f539547796765726c23759c2c6 [INFO] running `Command { std: "docker" "start" "-a" "216949342a869d3923df43f60a83b8c5130e56f539547796765726c23759c2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "216949342a869d3923df43f60a83b8c5130e56f539547796765726c23759c2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "216949342a869d3923df43f60a83b8c5130e56f539547796765726c23759c2c6", kill_on_drop: false }` [INFO] [stdout] 216949342a869d3923df43f60a83b8c5130e56f539547796765726c23759c2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b301b91dca96f08605a13a42abc51388455d62abf3569e1d86ecdaf1c6a16a5 [INFO] running `Command { std: "docker" "start" "-a" "3b301b91dca96f08605a13a42abc51388455d62abf3569e1d86ecdaf1c6a16a5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking 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 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 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 = Vector; [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 = Vector; [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] [stderr] Checking approx v0.3.2 [INFO] [stdout] error[E0599]: no function or associated item named `uninit_array` found for union `std::mem::MaybeUninit` in the current scope [INFO] [stdout] --> src/matrix.rs:885:61 [INFO] [stdout] | [INFO] [stdout] 885 | let mut arr: [MaybeUninit; 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::::new [INFO] [stdout] std::mem::MaybeUninit::::uninit [INFO] [stdout] std::mem::MaybeUninit::::zeroed [INFO] [stdout] --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/mem/maybe_uninit.rs:307:5 [INFO] [stdout] help: there is an associated function `uninit` with a similar name [INFO] [stdout] | [INFO] [stdout] 885 - let mut arr: [MaybeUninit; N] = MaybeUninit::uninit_array(); [INFO] [stdout] 885 + let mut arr: [MaybeUninit; 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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3b301b91dca96f08605a13a42abc51388455d62abf3569e1d86ecdaf1c6a16a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b301b91dca96f08605a13a42abc51388455d62abf3569e1d86ecdaf1c6a16a5", kill_on_drop: false }` [INFO] [stdout] 3b301b91dca96f08605a13a42abc51388455d62abf3569e1d86ecdaf1c6a16a5