[INFO] crate pest-deconstruct 0.2.0 is already in cache
[INFO] extracting crate pest-deconstruct 0.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/pest-deconstruct/0.2.0
[INFO] extracting crate pest-deconstruct 0.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pest-deconstruct/0.2.0
[INFO] validating manifest of pest-deconstruct-0.2.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pest-deconstruct-0.2.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pest-deconstruct-0.2.0
[INFO] removed 0 missing examples
[INFO] finished frobbing pest-deconstruct-0.2.0
[INFO] frobbed toml for pest-deconstruct-0.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/pest-deconstruct/0.2.0/Cargo.toml
[INFO] started frobbing pest-deconstruct-0.2.0
[INFO] removed 0 missing examples
[INFO] finished frobbing pest-deconstruct-0.2.0
[INFO] frobbed toml for pest-deconstruct-0.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pest-deconstruct/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pest-deconstruct-0.2.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/pest-deconstruct/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d834b10e53f92b7f80e3bdb38f6ae9aa67d88cde58fb1dd91cfc644c6878587
[INFO] running `"docker" "start" "-a" "0d834b10e53f92b7f80e3bdb38f6ae9aa67d88cde58fb1dd91cfc644c6878587"`
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-deconstruct-derive v0.2.0
[INFO] [stderr]     Checking pest-deconstruct v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the type `std::iter::Peekable<pest::iterators::Pairs<'i, R>>` does not permit being left uninitialized
[INFO] [stderr]    --> src/lib.rs:167:34
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut pairs = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  this code causes undefined behavior when executed
[INFO] [stderr]     |                                  help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: References must be non-null (in this struct field)
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pest-2.1.1/src/iterators/pairs.rs:33:5
[INFO] [stderr]     |
[INFO] [stderr] 33  |     input: &'i str,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `std::iter::Peekable<pest::iterators::Pairs<'i, R>>` does not permit being left uninitialized
[INFO] [stderr]    --> src/lib.rs:167:34
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut pairs = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  this code causes undefined behavior when executed
[INFO] [stderr]     |                                  help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: References must be non-null (in this struct field)
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pest-2.1.1/src/iterators/pairs.rs:33:5
[INFO] [stderr]     |
[INFO] [stderr] 33  |     input: &'i str,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `"docker" "inspect" "0d834b10e53f92b7f80e3bdb38f6ae9aa67d88cde58fb1dd91cfc644c6878587"`
[INFO] running `"docker" "rm" "-f" "0d834b10e53f92b7f80e3bdb38f6ae9aa67d88cde58fb1dd91cfc644c6878587"`
[INFO] [stdout] 0d834b10e53f92b7f80e3bdb38f6ae9aa67d88cde58fb1dd91cfc644c6878587