[INFO] fetching crate oxygen_quark 0.0.10...
[INFO] checking oxygen_quark-0.0.10 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate oxygen_quark 0.0.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate oxygen_quark 0.0.10 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 774bb9060b9c1d2220555be9aeac49f63db5062fc6987f05bf97432fbd79b430
[INFO] running `Command { std: "docker" "start" "-a" "774bb9060b9c1d2220555be9aeac49f63db5062fc6987f05bf97432fbd79b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "774bb9060b9c1d2220555be9aeac49f63db5062fc6987f05bf97432fbd79b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774bb9060b9c1d2220555be9aeac49f63db5062fc6987f05bf97432fbd79b430", kill_on_drop: false }`
[INFO] [stdout] 774bb9060b9c1d2220555be9aeac49f63db5062fc6987f05bf97432fbd79b430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e0acf9d551ffa832662426b2f688d76e57d2d74d6cb6976ec0e96087ae2f64e
[INFO] running `Command { std: "docker" "start" "-a" "6e0acf9d551ffa832662426b2f688d76e57d2d74d6cb6976ec0e96087ae2f64e", 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 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] [stdout]    --> src/matrix/matrix2x2.rs:143:19
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/matrix/matrix2x2.rs:143:45
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                                             ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/matrix/matrix2x2.rs:143:19
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/matrix/matrix2x2.rs:143:45
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.data.into_iter().eq(other.data.into_iter())
[INFO] [stdout]     |                                             ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "6e0acf9d551ffa832662426b2f688d76e57d2d74d6cb6976ec0e96087ae2f64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0acf9d551ffa832662426b2f688d76e57d2d74d6cb6976ec0e96087ae2f64e", kill_on_drop: false }`
[INFO] [stdout] 6e0acf9d551ffa832662426b2f688d76e57d2d74d6cb6976ec0e96087ae2f64e
