[INFO] fetching crate rustc-ap-rustc_parse 727.0.0...
[INFO] testing rustc-ap-rustc_parse-727.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rustc-ap-rustc_parse 727.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rustc-ap-rustc_parse 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_parse 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_parse 727.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-rustc_parse 727.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v727.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v727.0.0
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v727.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v727.0.0
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v727.0.0
[INFO] [stderr]   Downloaded measureme v9.1.2
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v727.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v727.0.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3ed7d53a40f54a9907617721e29b077ba3de7a576a29d599e4525c9bba45816
[INFO] running `Command { std: "docker" "start" "-a" "c3ed7d53a40f54a9907617721e29b077ba3de7a576a29d599e4525c9bba45816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ed7d53a40f54a9907617721e29b077ba3de7a576a29d599e4525c9bba45816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ed7d53a40f54a9907617721e29b077ba3de7a576a29d599e4525c9bba45816", kill_on_drop: false }`
[INFO] [stdout] c3ed7d53a40f54a9907617721e29b077ba3de7a576a29d599e4525c9bba45816
[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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dcf804ac2ed1983fb1c8c033582c57e0d837f060e44db107e9c50da4f7c9602
[INFO] running `Command { std: "docker" "start" "-a" "2dcf804ac2ed1983fb1c8c033582c57e0d837f060e44db107e9c50da4f7c9602", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling perf-event-open-sys v1.0.1
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v727.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v727.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustc-ap-rustc_serialize v727.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(box_syntax)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.70.0; see <https://github.com/rust-lang/rust/pull/108471> for more information
[INFO] [stdout]    = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/serialize.rs:682:12
[INFO] [stdout]     |
[INFO] [stdout] 682 |         Ok(box Decodable::decode(d)?)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 682 -         Ok(box Decodable::decode(d)?)
[INFO] [stdout] 682 +         Ok(Box::new(Decodable::decode(d)?))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling termize v0.1.1
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v727.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 47 | impl_write_unsigned_leb128!(write_u16_leb128, u16);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]    = note: this error originates in the macro `impl_write_unsigned_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 48 | impl_write_unsigned_leb128!(write_u32_leb128, u32);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]    = note: this error originates in the macro `impl_write_unsigned_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 49 | impl_write_unsigned_leb128!(write_u64_leb128, u64);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]    = note: this error originates in the macro `impl_write_unsigned_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 50 | impl_write_unsigned_leb128!(write_u128_leb128, u128);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]    = note: this error originates in the macro `impl_write_unsigned_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling measureme v9.1.2
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 51 | impl_write_unsigned_leb128!(write_usize_leb128, usize);
[INFO] [stdout]    | ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]    = note: this error originates in the macro `impl_write_unsigned_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:111:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 116 | impl_write_signed_leb128!(write_i16_leb128, i16);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]     = note: this error originates in the macro `impl_write_signed_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:111:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 117 | impl_write_signed_leb128!(write_i32_leb128, i32);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]     = note: this error originates in the macro `impl_write_signed_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:111:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl_write_signed_leb128!(write_i64_leb128, i64);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]     = note: this error originates in the macro `impl_write_signed_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:111:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 119 | impl_write_signed_leb128!(write_i128_leb128, i128);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]     = note: this error originates in the macro `impl_write_signed_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/leb128.rs:111:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |             unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout] ...
[INFO] [stdout] 120 | impl_write_signed_leb128!(write_isize_leb128, isize);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout]     = note: this error originates in the macro `impl_write_signed_leb128` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_mut` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-ap-rustc_serialize-727.0.0/src/opaque.rs:268:35
[INFO] [stdout]     |
[INFO] [stdout] 268 |             unsafe { MaybeUninit::slice_assume_init_mut(&mut self.buf[..self.buffered]) },
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4
[INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:987:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc-rayon v0.3.2
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_serialize` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2dcf804ac2ed1983fb1c8c033582c57e0d837f060e44db107e9c50da4f7c9602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcf804ac2ed1983fb1c8c033582c57e0d837f060e44db107e9c50da4f7c9602", kill_on_drop: false }`
[INFO] [stdout] 2dcf804ac2ed1983fb1c8c033582c57e0d837f060e44db107e9c50da4f7c9602
