[INFO] fetching crate uninit 0.6.2...
[INFO] testing uninit-0.6.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate uninit 0.6.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate uninit 0.6.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate uninit 0.6.2
[INFO] finished tweaking crates.io crate uninit 0.6.2
[INFO] tweaked toml for crates.io crate uninit 0.6.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1454575e14e4ea60c9051f1b7afd1f94a9f6354fa8b3818221727789226b39aa
[INFO] running `Command { std: "docker" "start" "-a" "1454575e14e4ea60c9051f1b7afd1f94a9f6354fa8b3818221727789226b39aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1454575e14e4ea60c9051f1b7afd1f94a9f6354fa8b3818221727789226b39aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1454575e14e4ea60c9051f1b7afd1f94a9f6354fa8b3818221727789226b39aa", kill_on_drop: false }`
[INFO] [stdout] 1454575e14e4ea60c9051f1b7afd1f94a9f6354fa8b3818221727789226b39aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53606c35e5e9ccacd33759d413aadc578662fbfd1432da17ce5563a65b774e1d
[INFO] running `Command { std: "docker" "start" "-a" "53606c35e5e9ccacd33759d413aadc578662fbfd1432da17ce5563a65b774e1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninit v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "53606c35e5e9ccacd33759d413aadc578662fbfd1432da17ce5563a65b774e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53606c35e5e9ccacd33759d413aadc578662fbfd1432da17ce5563a65b774e1d", kill_on_drop: false }`
[INFO] [stdout] 53606c35e5e9ccacd33759d413aadc578662fbfd1432da17ce5563a65b774e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 875e8b21fda4b8f5f6255e1ed9d2d5b4640a8288643ee9562853dd9380da1c74
[INFO] running `Command { std: "docker" "start" "-a" "875e8b21fda4b8f5f6255e1ed9d2d5b4640a8288643ee9562853dd9380da1c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninit v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "875e8b21fda4b8f5f6255e1ed9d2d5b4640a8288643ee9562853dd9380da1c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875e8b21fda4b8f5f6255e1ed9d2d5b4640a8288643ee9562853dd9380da1c74", kill_on_drop: false }`
[INFO] [stdout] 875e8b21fda4b8f5f6255e1ed9d2d5b4640a8288643ee9562853dd9380da1c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 630519362a38346f9ac21d7a6a55de32ac5fb2aa9c5cd5a8d3ef16afd7db0597
[INFO] running `Command { std: "docker" "start" "-a" "630519362a38346f9ac21d7a6a55de32ac5fb2aa9c5cd5a8d3ef16afd7db0597", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uninit-0ee2f5b080a6eeac)
[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] [stderr]      Running tests/docs.rs (/opt/rustwide/target/debug/deps/docs-29667682722f860b)
[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] [stderr]    Doc-tests uninit
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 92) - compile ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 19) - compile fail ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::BoxAssumeInit (line 238) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 48) ... ok
[INFO] [stdout] test src/extension_traits/as_out.rs - extension_traits::as_out::AsOut (line 28) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::new_uninit_slice::BoxNewUninitSlice::new_uninit_slice (line 261) ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 35) ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 46) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 74) ... FAILED
[INFO] [stdout] test src/extension_traits/transpose.rs - extension_traits::transpose::Transpose (line 13) ... ok
[INFO] [stdout] test src/extension_traits/transpose.rs - extension_traits::transpose::Transpose::transpose_ref (line 92) ... ok
[INFO] [stdout] test src/extension_traits/transpose.rs - extension_traits::transpose::Transpose::transpose (line 59) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 60) ... ok
[INFO] [stdout] test src/extension_traits/transpose.rs - extension_traits::transpose::Transpose::transpose_mut (line 114) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::get_backing_buffer_with_leaking_writes (line 253) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::get_backing_buffer_with_leaking_writes (line 274) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::into_backing_buffer_forget_elems (line 326) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref (line 42) ... ignored
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::into_backing_buffer_forget_elems (line 342) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,T>::as_mut_uninit (line 386) ... ignored
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::reserve_uninit (line 188) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::spare_cap (line 63) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,T>::as_mut_uninit (line 361) - compile ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::split_at_extra_cap (line 141) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,T>::assume_init (line 317) - compile ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::VecExtendFromReader (line 396) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref (line 24) ... ok
[INFO] [stdout] test src/lib.rs - uninit_array (line 71) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,T>::as_ref_uninit (line 409) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,T>::write (line 502) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,T>::write (line 483) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T;N]>::as_slice_out (line 1019) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::copy_from_slice (line 728) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T;N]>::try_from (line 221) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::empty (line 990) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::fill (line 778) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 33) - compile ... FAILED
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::fill_with (line 813) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 20) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::get_out (line 593) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::fill_with_iter (line 867) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::from (line 194) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out<'out,[T]>::slice_from_raw_parts (line 964) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 58) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit::read_into_uninit (line 86) ... ok
[INFO] [stdout] test src/read/mod.rs - read::_private_auto_impl (line 167) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 74) stdout ----
[INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' has overflowed its stack
[INFO] [stdout] fatal runtime error: stack overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/read/mod.rs - read::ReadIntoUninit (line 33) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/read/mod.rs:32:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/read/mod.rs:32:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 74)
[INFO] [stdout]     src/read/mod.rs - read::ReadIntoUninit (line 33)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 42 passed; 2 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "630519362a38346f9ac21d7a6a55de32ac5fb2aa9c5cd5a8d3ef16afd7db0597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630519362a38346f9ac21d7a6a55de32ac5fb2aa9c5cd5a8d3ef16afd7db0597", kill_on_drop: false }`
[INFO] [stdout] 630519362a38346f9ac21d7a6a55de32ac5fb2aa9c5cd5a8d3ef16afd7db0597
