[INFO] fetching crate oxygen_quark 0.0.10...
[INFO] checking oxygen_quark-0.0.10 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate oxygen_quark 0.0.10 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate oxygen_quark 0.0.10 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oxygen_quark 0.0.10
[INFO] finished tweaking crates.io crate oxygen_quark 0.0.10
[INFO] tweaked toml for crates.io crate oxygen_quark 0.0.10 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 521be4e337a9e871c56848b8b0d5e1d1fe67cf2ce09a51e8514cfb35c57a5f98
[INFO] running `Command { std: "docker" "start" "-a" "521be4e337a9e871c56848b8b0d5e1d1fe67cf2ce09a51e8514cfb35c57a5f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521be4e337a9e871c56848b8b0d5e1d1fe67cf2ce09a51e8514cfb35c57a5f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521be4e337a9e871c56848b8b0d5e1d1fe67cf2ce09a51e8514cfb35c57a5f98", kill_on_drop: false }`
[INFO] [stdout] 521be4e337a9e871c56848b8b0d5e1d1fe67cf2ce09a51e8514cfb35c57a5f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bec9a8ed74d2dba8c7a25ddf3bcc23e96085d2102e81483423744cd0fc159217
[INFO] running `Command { std: "docker" "start" "-a" "bec9a8ed74d2dba8c7a25ddf3bcc23e96085d2102e81483423744cd0fc159217", kill_on_drop: false }`
[INFO] [stderr]     Checking oxygen_quark v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/matrix/matrix2x2.rs:464:67
[INFO] [stdout]     |
[INFO] [stdout] 464 |         let result_matrix = Matrix2x2::from_slice(&result_values);;
[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/matrix2x2.rs:143:19
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.iter().eq(other.data.into_iter())
[INFO] [stdout]     |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 143 |         IntoIterator::into_iter(self.data).eq(other.data.into_iter())
[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/matrix2x2.rs:143:45
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.iter())
[INFO] [stdout]     |                                             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(IntoIterator::into_iter(other.data))
[INFO] [stdout]     |                                  ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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/matrix2x2.rs:143:19
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.iter().eq(other.data.into_iter())
[INFO] [stdout]     |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 143 |         IntoIterator::into_iter(self.data).eq(other.data.into_iter())
[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/matrix2x2.rs:143:45
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.iter())
[INFO] [stdout]     |                                             ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(IntoIterator::into_iter(other.data))
[INFO] [stdout]     |                                  ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "bec9a8ed74d2dba8c7a25ddf3bcc23e96085d2102e81483423744cd0fc159217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec9a8ed74d2dba8c7a25ddf3bcc23e96085d2102e81483423744cd0fc159217", kill_on_drop: false }`
[INFO] [stdout] bec9a8ed74d2dba8c7a25ddf3bcc23e96085d2102e81483423744cd0fc159217