[INFO] fetching crate uninit 0.4.1-dev...
[INFO] testing uninit-0.4.1-dev against 1.55.0 for beta-1.56-1
[INFO] extracting crate uninit 0.4.1-dev into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uninit 0.4.1-dev on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate uninit 0.4.1-dev
[INFO] finished tweaking crates.io crate uninit 0.4.1-dev
[INFO] tweaked toml for crates.io crate uninit 0.4.1-dev written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63dc641f1cc45b87296ceb0fb5ba3fdf28d2a018943fad66a0f57ec4f442f001
[INFO] running `Command { std: "docker" "start" "-a" "63dc641f1cc45b87296ceb0fb5ba3fdf28d2a018943fad66a0f57ec4f442f001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63dc641f1cc45b87296ceb0fb5ba3fdf28d2a018943fad66a0f57ec4f442f001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63dc641f1cc45b87296ceb0fb5ba3fdf28d2a018943fad66a0f57ec4f442f001", kill_on_drop: false }`
[INFO] [stdout] 63dc641f1cc45b87296ceb0fb5ba3fdf28d2a018943fad66a0f57ec4f442f001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d8f79f9cfc04a23663cc82d21f6d23a2d5005ead1c3c895489ffee142e7fda
[INFO] running `Command { std: "docker" "start" "-a" "c5d8f79f9cfc04a23663cc82d21f6d23a2d5005ead1c3c895489ffee142e7fda", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninit v0.4.1-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "c5d8f79f9cfc04a23663cc82d21f6d23a2d5005ead1c3c895489ffee142e7fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d8f79f9cfc04a23663cc82d21f6d23a2d5005ead1c3c895489ffee142e7fda", kill_on_drop: false }`
[INFO] [stdout] c5d8f79f9cfc04a23663cc82d21f6d23a2d5005ead1c3c895489ffee142e7fda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb5ed72eb7d076d3d210412cfae35d912df8f7e2f664ffefa2fddd94e55235c
[INFO] running `Command { std: "docker" "start" "-a" "beb5ed72eb7d076d3d210412cfae35d912df8f7e2f664ffefa2fddd94e55235c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninit v0.4.1-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "beb5ed72eb7d076d3d210412cfae35d912df8f7e2f664ffefa2fddd94e55235c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb5ed72eb7d076d3d210412cfae35d912df8f7e2f664ffefa2fddd94e55235c", kill_on_drop: false }`
[INFO] [stdout] beb5ed72eb7d076d3d210412cfae35d912df8f7e2f664ffefa2fddd94e55235c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f646e3f7eb048ad924307ae21b283d4a9d93423d5b99a71969da0624305bf591
[INFO] running `Command { std: "docker" "start" "-a" "f646e3f7eb048ad924307ae21b283d4a9d93423d5b99a71969da0624305bf591", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uninit-a93f513ad1372452)
[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-37241d456b00a0e6)
[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 31 tests
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_mut_uninit (line 315) ... ignored
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_uninit (line 635) ... ignored
[INFO] [stdout] test src/extension_traits/maybe_uninit.rs - extension_traits::maybe_uninit::MaybeUninitExt (line 16) - compile ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 92) - compile ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_mut_uninit (line 290) - compile ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 34) - compile ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::assume_init (line 245) - compile ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 18) - compile fail ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 58) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::BoxAssumeInit (line 228) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_uninit (line 600) ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 45) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 21) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::into_backing_buffer_forget_elems (line 270) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::get_backing_buffer_with_leaking_writes (line 218) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::get_out (line 472) ... ok
[INFO] [stdout] test src/read/mod.rs - __auto_impl__ (line 179) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_uninit (line 617) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit::read_into_uninit (line 86) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 47) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::VecExtendFromReader (line 340) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::into_backing_buffer_forget_elems (line 286) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::copy_from_slice (line 718) ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 34) ... ok
[INFO] [stdout] test src/lib.rs - uninit_array (line 80) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::reserve_uninit (line 132) ... ok
[INFO] [stdout] test src/extension_traits/as_out.rs - extension_traits::as_out::AsOut (line 30) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::get_backing_buffer_with_leaking_writes (line 197) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::Vec<T>::split_at_extra_cap (line 89) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 60) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 74) ... FAILED
[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 (terminated by signal).
[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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 74)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f646e3f7eb048ad924307ae21b283d4a9d93423d5b99a71969da0624305bf591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f646e3f7eb048ad924307ae21b283d4a9d93423d5b99a71969da0624305bf591", kill_on_drop: false }`
[INFO] [stdout] f646e3f7eb048ad924307ae21b283d4a9d93423d5b99a71969da0624305bf591