[INFO] fetching crate uninit 0.4.0...
[INFO] testing uninit-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate uninit 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate uninit 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate uninit 0.4.0
[INFO] finished tweaking crates.io crate uninit 0.4.0
[INFO] tweaked toml for crates.io crate uninit 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4cd932bdcaaeacc639a260a54b6e3b6391c91b431c8be42a92be75610e25236
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4cd932bdcaaeacc639a260a54b6e3b6391c91b431c8be42a92be75610e25236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4cd932bdcaaeacc639a260a54b6e3b6391c91b431c8be42a92be75610e25236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cd932bdcaaeacc639a260a54b6e3b6391c91b431c8be42a92be75610e25236", kill_on_drop: false }`
[INFO] [stdout] f4cd932bdcaaeacc639a260a54b6e3b6391c91b431c8be42a92be75610e25236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc1b2641e30f96e1a2853922dd5df9e6a1ad8f867b199a656af4db17f1c5a77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8dc1b2641e30f96e1a2853922dd5df9e6a1ad8f867b199a656af4db17f1c5a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninit v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8dc1b2641e30f96e1a2853922dd5df9e6a1ad8f867b199a656af4db17f1c5a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc1b2641e30f96e1a2853922dd5df9e6a1ad8f867b199a656af4db17f1c5a77", kill_on_drop: false }`
[INFO] [stdout] 8dc1b2641e30f96e1a2853922dd5df9e6a1ad8f867b199a656af4db17f1c5a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86797c479817c2fd1ee71073357ef3409f0448293fcb69805abe90e19241fac9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86797c479817c2fd1ee71073357ef3409f0448293fcb69805abe90e19241fac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninit v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "86797c479817c2fd1ee71073357ef3409f0448293fcb69805abe90e19241fac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86797c479817c2fd1ee71073357ef3409f0448293fcb69805abe90e19241fac9", kill_on_drop: false }`
[INFO] [stdout] 86797c479817c2fd1ee71073357ef3409f0448293fcb69805abe90e19241fac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dc955fce49ac5d5013c75cff414cfaf617238393b510c29ca4db947c0ea7cd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8dc955fce49ac5d5013c75cff414cfaf617238393b510c29ca4db947c0ea7cd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uninit-fe48a3b7b2e80959
[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 /opt/rustwide/target/debug/deps/docs-07cb978695baf552
[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/extension_traits/maybe_uninit.rs - extension_traits::maybe_uninit::MaybeUninitExt (line 16) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 92) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::BoxAssumeInit (line 228) ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 18) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_mut_uninit (line 315) ... ignored
[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::Vec<T>::reserve_uninit (line 132) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_uninit (line 635) ... ignored
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 45) ... ok
[INFO] [stdout] test src/extension_traits/manually_drop_mut.rs - extension_traits::manually_drop_mut::ManuallyDropMut (line 34) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 74) ... FAILED
[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/out_ref.rs - out_ref::Out::assume_init (line 245) ... ok
[INFO] [stdout] test src/extension_traits/boxed.rs - extension_traits::boxed::Box<MaybeUninit<T>> (line 60) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_mut_uninit (line 290) ... 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/extension_traits/vec.rs - extension_traits::vec::Vec<T>::split_at_extra_cap (line 89) ... 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/extension_traits/vec.rs - extension_traits::vec::Vec<T>::into_backing_buffer_forget_elems (line 270) ... 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 (line 34) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::as_uninit (line 600) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::copy_from_slice (line 718) ... ok
[INFO] [stdout] test src/read/mod.rs - __auto_impl__ (line 179) ... ok
[INFO] [stdout] test src/out_ref.rs - out_ref::Out::get_out (line 472) ... ok
[INFO] [stdout] test src/lib.rs - uninit_array (line 80) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 21) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit (line 58) ... ok
[INFO] [stdout] test src/extension_traits/vec.rs - extension_traits::vec::VecExtendFromReader (line 340) ... ok
[INFO] [stdout] test src/read/mod.rs - read::ReadIntoUninit::read_into_uninit (line 86) ... 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 (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 3.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "8dc955fce49ac5d5013c75cff414cfaf617238393b510c29ca4db947c0ea7cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc955fce49ac5d5013c75cff414cfaf617238393b510c29ca4db947c0ea7cd4", kill_on_drop: false }`
[INFO] [stdout] 8dc955fce49ac5d5013c75cff414cfaf617238393b510c29ca4db947c0ea7cd4