[INFO] crate linea 0.9.4 is already in cache
[INFO] checking linea-0.9.4 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate linea 0.9.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linea 0.9.4 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linea 0.9.4
[INFO] finished tweaking crates.io crate linea 0.9.4
[INFO] tweaked toml for crates.io crate linea 0.9.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] bf8f06952e64ffa96cdd14120a26a01ba955a48b04e5d6dfd6a033317cf27006
[INFO] running `"docker" "start" "-a" "bf8f06952e64ffa96cdd14120a26a01ba955a48b04e5d6dfd6a033317cf27006"`
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking radical v0.1.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking linea v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |         #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:192:63
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut c: GenericArray<GenericArray<C, M>, N> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:107:67
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut c: GenericArray<GenericArray<A, M>, M> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:133:67
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let mut c: GenericArray<GenericArray<A, N>, M> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:150:62
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let mut c: GenericArray<GenericArray<A, M>, N> = mem::uninitialized();
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:176:67
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut c: GenericArray<GenericArray<B, M>, N> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:202:67
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let mut c: GenericArray<GenericArray<A, M>, N> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:248:67
[INFO] [stderr]     |
[INFO] [stderr] 248 |         let mut c: GenericArray<GenericArray<A, N>, N> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:261:75
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut c: GenericArray<GenericArray<A::Output, M>, N> = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/projective.rs:11:61
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut c: Array<Array<A, Add1<N>>, Add1<N>> = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/projective.rs:33:61
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut c: Array<Array<A, Add1<N>>, Add1<N>> = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr] error[E0740]: unions may not contain fields that need dropping
[INFO] [stderr]   --> src/lib.rs:97:77
[INFO] [stderr]    |
[INFO] [stderr] 97 |         union U<A, M: ArrayLength<A>, N: ArrayLength<GenericArray<A, M>>> { a: Matrix<A, M, N> }
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `std::mem::ManuallyDrop` can be used to wrap the type
[INFO] [stderr]   --> src/lib.rs:97:77
[INFO] [stderr]    |
[INFO] [stderr] 97 |         union U<A, M: ArrayLength<A>, N: ArrayLength<GenericArray<A, M>>> { a: Matrix<A, M, N> }
[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 E0740`.
[INFO] [stderr] error: could not compile `linea`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bf8f06952e64ffa96cdd14120a26a01ba955a48b04e5d6dfd6a033317cf27006"`
[INFO] running `"docker" "rm" "-f" "bf8f06952e64ffa96cdd14120a26a01ba955a48b04e5d6dfd6a033317cf27006"`
[INFO] [stdout] bf8f06952e64ffa96cdd14120a26a01ba955a48b04e5d6dfd6a033317cf27006