[INFO] crate bitcask-rs 0.1.1 is already in cache [INFO] extracting crate bitcask-rs 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/bitcask-rs/0.1.1 [INFO] extracting crate bitcask-rs 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitcask-rs/0.1.1 [INFO] validating manifest of bitcask-rs-0.1.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of bitcask-rs-0.1.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing bitcask-rs-0.1.1 [INFO] finished frobbing bitcask-rs-0.1.1 [INFO] frobbed toml for bitcask-rs-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bitcask-rs/0.1.1/Cargo.toml [INFO] started frobbing bitcask-rs-0.1.1 [INFO] finished frobbing bitcask-rs-0.1.1 [INFO] frobbed toml for bitcask-rs-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitcask-rs/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing bitcask-rs-0.1.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitcask-rs/0.1.1:/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=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-2019-08-13" "build" "--frozen"` [INFO] [stdout] c1ac929d4e63e4a5badd8d3baaa16b6919dba5dff0ef1ff3f73c8c2c15f318e5 [INFO] running `"docker" "start" "-a" "c1ac929d4e63e4a5badd8d3baaa16b6919dba5dff0ef1ff3f73c8c2c15f318e5"` [INFO] [stderr] Compiling derive_builder v0.5.1 [INFO] [stderr] Compiling integer-encoding v1.0.7 [INFO] [stderr] Compiling io-at v0.4.1 [INFO] [stderr] Compiling derive_builder_core v0.2.0 [INFO] [stderr] Compiling twox-hash v1.5.0 [INFO] [stderr] Compiling bitcask-rs v0.1.1 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(nll)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/keys_iterator.rs:25:15 [INFO] [stderr] | [INFO] [stderr] 25 | iter: Box + 'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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/keys_iterator.rs:30:22 [INFO] [stderr] | [INFO] [stderr] 30 | fn new(iter: Box + 'a>) -> StoreKeysIter<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/store.rs:123:38 [INFO] [stderr] | [INFO] [stderr] 123 | pub fn keys<'a>(&'a self) -> Box + 'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/store.rs:170:38 [INFO] [stderr] | [INFO] [stderr] 170 | pub fn keys<'a>(&'a self) -> Box + 'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:34:23 [INFO] [stderr] | [INFO] [stderr] 34 | use std::sync::{Once, ONCE_INIT}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:36:21 [INFO] [stderr] | [INFO] [stderr] 36 | static INIT: Once = ONCE_INIT; [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `bitcask-rs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c1ac929d4e63e4a5badd8d3baaa16b6919dba5dff0ef1ff3f73c8c2c15f318e5"` [INFO] running `"docker" "rm" "-f" "c1ac929d4e63e4a5badd8d3baaa16b6919dba5dff0ef1ff3f73c8c2c15f318e5"` [INFO] [stdout] c1ac929d4e63e4a5badd8d3baaa16b6919dba5dff0ef1ff3f73c8c2c15f318e5