[INFO] crate matrixlab 0.1.5 is already in cache [INFO] checking matrixlab-0.1.5 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917 [INFO] extracting crate matrixlab 0.1.5 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate matrixlab 0.1.5 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a [INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate matrixlab 0.1.5 [INFO] finished tweaking crates.io crate matrixlab 0.1.5 [INFO] tweaked toml for crates.io crate matrixlab 0.1.5 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 63b2d877be117d20982aac00dbfa01c7b7ca0e33eeb8dd17ace7ee5c0083ca75 [INFO] running `"docker" "start" "-a" "63b2d877be117d20982aac00dbfa01c7b7ca0e33eeb8dd17ace7ee5c0083ca75"` [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking matrixlab v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/matrix/dense.rs:157:100 [INFO] [stderr] | [INFO] [stderr] 157 | let r = q_transpose.safe_mul(self).expect("Error in least squares, multiplication failed");; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/matrix/dense.rs:105:21 [INFO] [stderr] | [INFO] [stderr] 105 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/matrix/sparse.rs:406:43 [INFO] [stderr] | [INFO] [stderr] 406 | let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] Checking proptest v0.9.5 [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:23 [INFO] [stderr] | [INFO] [stderr] 47 | base.prop_map(Iterator::cloned).boxed() [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the lifetime `'a` as defined on the impl at 36:9... [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | 'a, [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that the types are compatible [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:23 [INFO] [stderr] | [INFO] [stderr] 47 | base.prop_map(Iterator::cloned).boxed() [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: expected `&'a T` [INFO] [stderr] found `&T` [INFO] [stderr] = note: but, the lifetime must be valid for the static lifetime... [INFO] [stderr] note: ...so that the type `strategy::map::Map core::iter::Cloned {::cloned::<'_, T>}>` will meet its required lifetime bounds [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:41 [INFO] [stderr] | [INFO] [stderr] 47 | base.prop_map(Iterator::cloned).boxed() [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0495`. [INFO] [stderr] error: could not compile `proptest`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "63b2d877be117d20982aac00dbfa01c7b7ca0e33eeb8dd17ace7ee5c0083ca75"` [INFO] running `"docker" "rm" "-f" "63b2d877be117d20982aac00dbfa01c7b7ca0e33eeb8dd17ace7ee5c0083ca75"` [INFO] [stdout] 63b2d877be117d20982aac00dbfa01c7b7ca0e33eeb8dd17ace7ee5c0083ca75