[INFO] crate sstable 0.6.2 is already in cache [INFO] extracting crate sstable 0.6.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/sstable/0.6.2 [INFO] extracting crate sstable 0.6.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sstable/0.6.2 [INFO] validating manifest of sstable-0.6.2 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sstable-0.6.2 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sstable-0.6.2 [INFO] finished frobbing sstable-0.6.2 [INFO] frobbed toml for sstable-0.6.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sstable/0.6.2/Cargo.toml [INFO] started frobbing sstable-0.6.2 [INFO] finished frobbing sstable-0.6.2 [INFO] frobbed toml for sstable-0.6.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sstable/0.6.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing sstable-0.6.2 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sstable/0.6.2:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 40126c209df0b8dee32e2240812d3365c0f981a7d19010e3b0d0c7ebad42b836 [INFO] running `"docker" "start" "-a" "40126c209df0b8dee32e2240812d3365c0f981a7d19010e3b0d0c7ebad42b836"` [INFO] [stderr] Compiling sstable v0.6.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/filter.rs:20:37 [INFO] [stderr] | [INFO] [stderr] 20 | pub type BoxedFilterPolicy = Rc>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn FilterPolicy` [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/table_block.rs:15:19 [INFO] [stderr] | [INFO] [stderr] 15 | fn read_bytes(f: &RandomAccess, location: &BlockHandle) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table_block.rs:22:11 [INFO] [stderr] | [INFO] [stderr] 22 | src: &RandomAccess, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table_block.rs:39:43 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn read_table_block(opt: Options, f: &RandomAccess, location: &BlockHandle) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/types.rs:36:22 [INFO] [stderr] | [INFO] [stderr] 36 | Ok((self as &FileExt).read_at(dst, off as u64)?) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn FileExt` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/types.rs:109:25 [INFO] [stderr] | [INFO] [stderr] 109 | impl SSIterator for Box { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn SSIterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/options.rs:36:21 [INFO] [stderr] | [INFO] [stderr] 36 | pub cmp: Rc>, [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Cmp` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/table_reader.rs:19:20 [INFO] [stderr] | [INFO] [stderr] 19 | fn read_footer(f: &RandomAccess, size: usize) -> Result