[INFO] fetching crate dynstack 0.3.0...
[INFO] extracting crate dynstack 0.3.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/dynstack/0.3.0
[INFO] extracting crate dynstack 0.3.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/dynstack/0.3.0
[INFO] validating manifest of dynstack-0.3.0 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 dynstack-0.3.0 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 dynstack-0.3.0
[INFO] finished frobbing dynstack-0.3.0
[INFO] frobbed toml for dynstack-0.3.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/dynstack/0.3.0/Cargo.toml
[INFO] started frobbing dynstack-0.3.0
[INFO] finished frobbing dynstack-0.3.0
[INFO] frobbed toml for dynstack-0.3.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/dynstack/0.3.0/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 dynstack-0.3.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/dynstack/0.3.0:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 26f5b3e18e2b1695a7abf865d07facb710b7c35bfc31426859d3fff2e0eacd63
[INFO] running `"docker" "start" "-a" "26f5b3e18e2b1695a7abf865d07facb710b7c35bfc31426859d3fff2e0eacd63"`
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]     Checking dynstack v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:368:32
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let mut stack = DynStack::<Debug>::new();
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Debug`
[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/lib.rs:408:32
[INFO] [stderr]     |
[INFO] [stderr] 408 |     let mut stack = DynStack::<Fn() -> usize>::new();
[INFO] [stderr]     |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:439:36
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let mut stack = DynStack::<Any>::new();
[INFO] [stderr]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:496:34
[INFO] [stderr]     |
[INFO] [stderr] 496 |     let assert_aligned = |item: &Aligned| {
[INFO] [stderr]     |                                  ^^^^^^^ help: use `dyn`: `dyn Aligned`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:497:39
[INFO] [stderr]     |
[INFO] [stderr] 497 |         let thin_ptr = item as *const Aligned as *const () as usize;
[INFO] [stderr]     |                                       ^^^^^^^ help: use `dyn`: `dyn Aligned`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:503:32
[INFO] [stderr]     |
[INFO] [stderr] 503 |     let mut stack = DynStack::<Aligned>::new();
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Aligned`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut vec = Vec::<Box<Display>>::new();
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn Display`
[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]   --> benches/comparisons.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut stack = DynStack::<Display>::new();
[INFO] [stderr]    |                                ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut stack = Vec::<Box<Fn() -> usize>>::new();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 |         fn pseudorecursive(stack: &mut Vec<Box<Fn() -> usize>>, n: usize) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut stack = DynStack::<Fn() -> usize>::new();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:52:49
[INFO] [stderr]    |
[INFO] [stderr] 52 |         fn pseudorecursive(stack: &mut DynStack<Fn() -> usize>, n: usize) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut state: Box<Fn() -> usize> = Box::new(|| 0);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:69:44
[INFO] [stderr]    |
[INFO] [stderr] 69 |         fn pseudorecursive(state: &mut Box<Fn() -> usize>, n: usize) {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut stack = DynStack::<Fn() -> usize>::new();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/comparisons.rs:84:49
[INFO] [stderr]    |
[INFO] [stderr] 84 |         fn pseudorecursive(stack: &mut DynStack<Fn() -> usize>, n: usize) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `"docker" "inspect" "26f5b3e18e2b1695a7abf865d07facb710b7c35bfc31426859d3fff2e0eacd63"`
[INFO] running `"docker" "rm" "-f" "26f5b3e18e2b1695a7abf865d07facb710b7c35bfc31426859d3fff2e0eacd63"`
[INFO] [stdout] 26f5b3e18e2b1695a7abf865d07facb710b7c35bfc31426859d3fff2e0eacd63