[INFO] crate efficient_enum 0.3.1 is already in cache
[INFO] extracting crate efficient_enum 0.3.1 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/efficient_enum/0.3.1
[INFO] extracting crate efficient_enum 0.3.1 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/efficient_enum/0.3.1
[INFO] validating manifest of efficient_enum-0.3.1 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of efficient_enum-0.3.1 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing efficient_enum-0.3.1
[INFO] finished frobbing efficient_enum-0.3.1
[INFO] frobbed toml for efficient_enum-0.3.1 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/efficient_enum/0.3.1/Cargo.toml
[INFO] started frobbing efficient_enum-0.3.1
[INFO] finished frobbing efficient_enum-0.3.1
[INFO] frobbed toml for efficient_enum-0.3.1 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/efficient_enum/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking efficient_enum-0.3.1 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/efficient_enum/0.3.1:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a3bd80aea11eeb8941f863167ba3395c28f89b0e98fdf20669d357f8aba6e02
[INFO] running `"docker" "start" "-a" "2a3bd80aea11eeb8941f863167ba3395c28f89b0e98fdf20669d357f8aba6e02"`
[INFO] [stderr]     Checking efficient_enum v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/tag.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/tag.rs:205:23
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Self::tag(uninitialized(), o)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/option.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem::{replace,uninitialized};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:143:26
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:651:46
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:743:26
[INFO] [stderr]     |
[INFO] [stderr] 743 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/tag.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/tag.rs:205:23
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Self::tag(uninitialized(), o)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/option.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem::{replace,uninitialized};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:143:26
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:651:46
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:743:26
[INFO] [stderr]     |
[INFO] [stderr] 743 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "2a3bd80aea11eeb8941f863167ba3395c28f89b0e98fdf20669d357f8aba6e02"`
[INFO] running `"docker" "rm" "-f" "2a3bd80aea11eeb8941f863167ba3395c28f89b0e98fdf20669d357f8aba6e02"`
[INFO] [stdout] 2a3bd80aea11eeb8941f863167ba3395c28f89b0e98fdf20669d357f8aba6e02