[INFO] crate grin_core 2.0.0 is already in cache [INFO] extracting crate grin_core 2.0.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/grin_core/2.0.0 [INFO] extracting crate grin_core 2.0.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/grin_core/2.0.0 [INFO] validating manifest of grin_core-2.0.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of grin_core-2.0.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing grin_core-2.0.0 [INFO] finished frobbing grin_core-2.0.0 [INFO] frobbed toml for grin_core-2.0.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/grin_core/2.0.0/Cargo.toml [INFO] started frobbing grin_core-2.0.0 [INFO] finished frobbing grin_core-2.0.0 [INFO] frobbed toml for grin_core-2.0.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/grin_core/2.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking grin_core-2.0.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/grin_core/2.0.0:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 35857ef7f2eb38cc40186dbac1344fdad41f779be3b6fe8b91fc8d19e406d6cc [INFO] running `"docker" "start" "-a" "35857ef7f2eb38cc40186dbac1344fdad41f779be3b6fe8b91fc8d19e406d6cc"` [INFO] [stderr] Checking grin_core v2.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/block.rs:124:23 [INFO] [stderr] | [INFO] [stderr] 124 | fn read(reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [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/core/pmmr/backend.rs:56:33 [INFO] [stderr] | [INFO] [stderr] 56 | fn leaf_pos_iter(&self) -> Box + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/pmmr/rewindable_pmmr.rs:53:31 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn backend(&'a self) -> &Backend { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Backend` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/transaction.rs:341:23 [INFO] [stderr] | [INFO] [stderr] 341 | fn read(reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/block.rs:124:23 [INFO] [stderr] | [INFO] [stderr] 124 | fn read(reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [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/core/pmmr/backend.rs:56:33 [INFO] [stderr] | [INFO] [stderr] 56 | fn leaf_pos_iter(&self) -> Box + '_>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/pmmr/rewindable_pmmr.rs:53:31 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn backend(&'a self) -> &Backend { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Backend` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core/transaction.rs:341:23 [INFO] [stderr] | [INFO] [stderr] 341 | fn read(reader: &mut Reader) -> Result { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Reader` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/vec_backend.rs:112:33 [INFO] [stderr] | [INFO] [stderr] 112 | fn leaf_pos_iter(&self) -> Box + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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] --> tests/vec_backend.rs:112:33 [INFO] [stderr] | [INFO] [stderr] 112 | fn leaf_pos_iter(&self) -> Box + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [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] --> tests/vec_backend.rs:112:33 [INFO] [stderr] | [INFO] [stderr] 112 | fn leaf_pos_iter(&self) -> Box + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + '_` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.57s [INFO] running `"docker" "inspect" "35857ef7f2eb38cc40186dbac1344fdad41f779be3b6fe8b91fc8d19e406d6cc"` [INFO] running `"docker" "rm" "-f" "35857ef7f2eb38cc40186dbac1344fdad41f779be3b6fe8b91fc8d19e406d6cc"` [INFO] [stdout] 35857ef7f2eb38cc40186dbac1344fdad41f779be3b6fe8b91fc8d19e406d6cc