[INFO] fetching crate matrixlab 0.1.5... [INFO] testing matrixlab-0.1.5 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate matrixlab 0.1.5 into /workspace/builds/worker-7-tc1/source [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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate matrixlab 0.1.5 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 52 packages to latest compatible versions [INFO] [stderr] Adding proptest v0.9.6 (available: v1.8.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rusty-fork v0.2.2 [INFO] [stderr] Downloaded proptest v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c57ff73efc9159fe0b53cdcb3d039943cb0e1fd4a3273b80e8989c5ddcbb85d [INFO] running `Command { std: "docker" "start" "-a" "0c57ff73efc9159fe0b53cdcb3d039943cb0e1fd4a3273b80e8989c5ddcbb85d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c57ff73efc9159fe0b53cdcb3d039943cb0e1fd4a3273b80e8989c5ddcbb85d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c57ff73efc9159fe0b53cdcb3d039943cb0e1fd4a3273b80e8989c5ddcbb85d", kill_on_drop: false }` [INFO] [stdout] 0c57ff73efc9159fe0b53cdcb3d039943cb0e1fd4a3273b80e8989c5ddcbb85d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49f5358addaf6c4f515ac35f570fcda570b59ce110b7d7a6f4f0e86baaf81e37 [INFO] running `Command { std: "docker" "start" "-a" "49f5358addaf6c4f515ac35f570fcda570b59ce110b7d7a6f4f0e86baaf81e37", kill_on_drop: false }` [INFO] [stderr] Compiling matrixlab v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/matrix/dense.rs:157:100 [INFO] [stdout] | [INFO] [stdout] 157 | let r = q_transpose.safe_mul(self).expect("Error in least squares, multiplication failed");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/dense.rs:105:21 [INFO] [stdout] | [INFO] [stdout] 105 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 105 - .into_iter() [INFO] [stdout] 105 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 104 - || [Default::default()] [INFO] [stdout] 104 + || IntoIterator::into_iter([Default::default()]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/sparse.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn elements(&self) -> ElementsIter { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn elements(&self) -> ElementsIter<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/sparse.rs:257:25 [INFO] [stdout] | [INFO] [stdout] 257 | pub fn all_elements(&self) -> MatrixIter { [INFO] [stdout] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 257 | pub fn all_elements(&self) -> MatrixIter<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/sparse.rs:406:43 [INFO] [stdout] | [INFO] [stdout] 406 | let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] 406 + let mut x: Vector = [0.0f64].iter().cycle() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] 406 + let mut x: Vector = IntoIterator::into_iter([0.0f64]).cycle() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "49f5358addaf6c4f515ac35f570fcda570b59ce110b7d7a6f4f0e86baaf81e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49f5358addaf6c4f515ac35f570fcda570b59ce110b7d7a6f4f0e86baaf81e37", kill_on_drop: false }` [INFO] [stdout] 49f5358addaf6c4f515ac35f570fcda570b59ce110b7d7a6f4f0e86baaf81e37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92522ac3f1c972d8fb085aa34126b853ee56e27fd023943418c8902e9501e8f4 [INFO] running `Command { std: "docker" "start" "-a" "92522ac3f1c972d8fb085aa34126b853ee56e27fd023943418c8902e9501e8f4", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/matrix/dense.rs:157:100 [INFO] [stdout] | [INFO] [stdout] 157 | let r = q_transpose.safe_mul(self).expect("Error in least squares, multiplication failed");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/dense.rs:105:21 [INFO] [stdout] | [INFO] [stdout] 105 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 105 - .into_iter() [INFO] [stdout] 105 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 104 - || [Default::default()] [INFO] [stdout] 104 + || IntoIterator::into_iter([Default::default()]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/sparse.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn elements(&self) -> ElementsIter { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn elements(&self) -> ElementsIter<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/sparse.rs:257:25 [INFO] [stdout] | [INFO] [stdout] 257 | pub fn all_elements(&self) -> MatrixIter { [INFO] [stdout] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 257 | pub fn all_elements(&self) -> MatrixIter<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/sparse.rs:406:43 [INFO] [stdout] | [INFO] [stdout] 406 | let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] 406 + let mut x: Vector = [0.0f64].iter().cycle() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] 406 + let mut x: Vector = IntoIterator::into_iter([0.0f64]).cycle() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling matrixlab v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/matrix/dense.rs:157:100 [INFO] [stdout] | [INFO] [stdout] 157 | let r = q_transpose.safe_mul(self).expect("Error in least squares, multiplication failed");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/dense.rs:105:21 [INFO] [stdout] | [INFO] [stdout] 105 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 105 - .into_iter() [INFO] [stdout] 105 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 104 - || [Default::default()] [INFO] [stdout] 104 + || IntoIterator::into_iter([Default::default()]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/sparse.rs:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn elements(&self) -> ElementsIter { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn elements(&self) -> ElementsIter<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/matrix/sparse.rs:257:25 [INFO] [stdout] | [INFO] [stdout] 257 | pub fn all_elements(&self) -> MatrixIter { [INFO] [stdout] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 257 | pub fn all_elements(&self) -> MatrixIter<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/matrix/sparse.rs:406:43 [INFO] [stdout] | [INFO] [stdout] 406 | let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] 406 + let mut x: Vector = [0.0f64].iter().cycle() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stdout] 406 + let mut x: Vector = IntoIterator::into_iter([0.0f64]).cycle() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 11.08s [INFO] running `Command { std: "docker" "inspect" "92522ac3f1c972d8fb085aa34126b853ee56e27fd023943418c8902e9501e8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92522ac3f1c972d8fb085aa34126b853ee56e27fd023943418c8902e9501e8f4", kill_on_drop: false }` [INFO] [stdout] 92522ac3f1c972d8fb085aa34126b853ee56e27fd023943418c8902e9501e8f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9be243c58ac4790733209330c1cf47791d5dde13a0aaac173338b778e8f42691 [INFO] running `Command { std: "docker" "start" "-a" "9be243c58ac4790733209330c1cf47791d5dde13a0aaac173338b778e8f42691", kill_on_drop: false }` [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 resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> src/matrix/dense.rs:105:21 [INFO] [stderr] | [INFO] [stderr] 105 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 105 - .into_iter() [INFO] [stderr] 105 + .iter() [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 104 - || [Default::default()] [INFO] [stderr] 104 + || IntoIterator::into_iter([Default::default()]) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/matrix/sparse.rs:252:21 [INFO] [stderr] | [INFO] [stderr] 252 | pub fn elements(&self) -> ElementsIter { [INFO] [stderr] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 252 | pub fn elements(&self) -> ElementsIter<'_, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/matrix/sparse.rs:257:25 [INFO] [stderr] | [INFO] [stderr] 257 | pub fn all_elements(&self) -> MatrixIter { [INFO] [stderr] | ^^^^^ ------------- the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 257 | pub fn all_elements(&self) -> MatrixIter<'_, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> src/matrix/sparse.rs:406:43 [INFO] [stderr] | [INFO] [stderr] 406 | let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stderr] 406 + let mut x: Vector = [0.0f64].iter().cycle() [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 406 - let mut x: Vector = [0.0f64].into_iter().cycle() [INFO] [stderr] 406 + let mut x: Vector = IntoIterator::into_iter([0.0f64]).cycle() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `matrixlab` (lib) generated 5 warnings (run `cargo fix --lib -p matrixlab` to apply 4 suggestions) [INFO] [stderr] warning: `matrixlab` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrixlab-c9c4e8e63e1e681c) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test test::dense::matrix::backsolve ... ok [INFO] [stdout] test test::dense::orthogonal::matrix_multiplication ... ok [INFO] [stdout] test test::sparse::matrix::matrix_sum ... ok [INFO] [stdout] test test::sparse::matrix::full_matrix_creation ... ok [INFO] [stdout] test test::sparse::matrix::matrix_creation ... ok [INFO] [stdout] test test::sparse::matrix::out_of_bounds_matrix_creation ... ok [INFO] [stdout] test test::dense::matrix::scalar_multiplication ... ok [INFO] [stdout] test test::sparse::sparse_vector_mult::mult ... ok [INFO] [stdout] test test::sparse::sparse_vector_mult::identity_mult ... ok [INFO] [stdout] test test::sparse::vector_mult::mult ... ok [INFO] [stdout] test test::sparse::matrix_mult::mult ... ok [INFO] [stdout] test test::dense::matrix::least_squares_simple ... ok [INFO] [stdout] test test::gmres::matrix::iteration_test ... ok [INFO] [stdout] test test::dense::matrix::vector_multiplication ... ok [INFO] [stdout] test test::gmres::matrix::exact_test ... ok [INFO] [stdout] test test::sparse::sparse_vector_mult::bigger_mult ... ok [INFO] [stdout] test test::dense::matrix::matrix_multiplication ... ok [INFO] [stdout] test test::sparse::transpose::transpose_sum ... ok [INFO] [stdout] test test::sparse::vector_mult::bigger_mult ... ok [INFO] [stdout] test test::sparse::vector_mult::identity_mult ... ok [INFO] [stdout] test test::sparse::iter::all_elements_iter ... ok [INFO] [stdout] test test::gmres::matrix::failure_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s [INFO] [stdout] [INFO] [stderr] Doc-tests matrixlab [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: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9be243c58ac4790733209330c1cf47791d5dde13a0aaac173338b778e8f42691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9be243c58ac4790733209330c1cf47791d5dde13a0aaac173338b778e8f42691", kill_on_drop: false }` [INFO] [stdout] 9be243c58ac4790733209330c1cf47791d5dde13a0aaac173338b778e8f42691