[INFO] fetching crate smallbox 0.7.3...
[INFO] extracting crate smallbox 0.7.3 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/smallbox/0.7.3
[INFO] extracting crate smallbox 0.7.3 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/smallbox/0.7.3
[INFO] validating manifest of smallbox-0.7.3 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of smallbox-0.7.3 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing smallbox-0.7.3
[INFO] finished frobbing smallbox-0.7.3
[INFO] frobbed toml for smallbox-0.7.3 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/smallbox/0.7.3/Cargo.toml
[INFO] started frobbing smallbox-0.7.3
[INFO] finished frobbing smallbox-0.7.3
[INFO] frobbed toml for smallbox-0.7.3 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/smallbox/0.7.3/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking smallbox-0.7.3 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/smallbox/0.7.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6e81784754c914b5b54b1472e0089b5edd9889954938db7a0e9104d8ee74eca3
[INFO] running `"docker" "start" "-a" "6e81784754c914b5b54b1472e0089b5edd9889954938db7a0e9104d8ee74eca3"`
[INFO] [stderr]     Checking smallbox v0.7.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/smallbox.rs:440:34
[INFO] [stderr]     |
[INFO] [stderr] 440 |             let heaped: SmallBox<Any, S2> = SmallBox::new_unchecked(val, ptr);
[INFO] [stderr]     |                                  ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/smallbox.rs:454:31
[INFO] [stderr]     |
[INFO] [stderr] 454 |         let stacked: SmallBox<Any, S1> = smallbox!(1234usize);
[INFO] [stderr]     |                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/smallbox.rs:461:30
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let heaped: SmallBox<Any, S1> = smallbox!([0usize, 1]);
[INFO] [stderr]     |                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/smallbox.rs:468:31
[INFO] [stderr]     |
[INFO] [stderr] 468 |         let is_even: SmallBox<Fn(u8) -> bool, S1> = smallbox!(|num: u8| num % 2 == 0);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u8) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/smallbox.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let mut space = ManuallyDrop::new(mem::uninitialized::<ToSpace>());
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/smallbox.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let mut space = ManuallyDrop::new(mem::uninitialized::<ToSpace>());
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "6e81784754c914b5b54b1472e0089b5edd9889954938db7a0e9104d8ee74eca3"`
[INFO] running `"docker" "rm" "-f" "6e81784754c914b5b54b1472e0089b5edd9889954938db7a0e9104d8ee74eca3"`
[INFO] [stdout] 6e81784754c914b5b54b1472e0089b5edd9889954938db7a0e9104d8ee74eca3