[INFO] crate collection_traits 0.0.2 is already in cache [INFO] extracting crate collection_traits 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/collection_traits/0.0.2 [INFO] extracting crate collection_traits 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collection_traits/0.0.2 [INFO] validating manifest of collection_traits-0.0.2 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 collection_traits-0.0.2 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 collection_traits-0.0.2 [INFO] finished frobbing collection_traits-0.0.2 [INFO] frobbed toml for collection_traits-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/collection_traits/0.0.2/Cargo.toml [INFO] started frobbing collection_traits-0.0.2 [INFO] finished frobbing collection_traits-0.0.2 [INFO] frobbed toml for collection_traits-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collection_traits/0.0.2/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 collection_traits-0.0.2 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/collection_traits/0.0.2:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 1f11eac73cd5fb523d007becf85a3f0285379b4c87c0a27f6070195db890d25a [INFO] running `"docker" "start" "-a" "1f11eac73cd5fb523d007becf85a3f0285379b4c87c0a27f6070195db890d25a"` [INFO] [stderr] Compiling collection_traits v0.0.2 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `std::collections::hash_state` [INFO] [stderr] --> src/impls/hash_map.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::hash_state::HashState; [INFO] [stderr] | ^^^^^^^^^^ could not find `hash_state` in `collections` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::collections::hash_state` [INFO] [stderr] --> src/impls/hash_set.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::hash_state::HashState; [INFO] [stderr] | ^^^^^^^^^^ could not find `hash_state` in `collections` [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(associated_type_defaults)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(hashmap_hasher)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/traits.rs:129:31 [INFO] [stderr] | [INFO] [stderr] 129 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stderr] --> src/traits.rs:156:23 [INFO] [stderr] | [INFO] [stderr] 156 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:135:62 [INFO] [stderr] | [INFO] [stderr] 135 | where T: NewtypeDeref, T::Target: assoc::ContainsKey, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:141:59 [INFO] [stderr] | [INFO] [stderr] 141 | where T: NewtypeDerefMut, T::Target: assoc::Erase, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:162:57 [INFO] [stderr] | [INFO] [stderr] 162 | where T: NewtypeDeref, T::Target: map::_Get<'a, Q>, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:168:52 [INFO] [stderr] | [INFO] [stderr] 168 | where T: NewtypeDeref, T::Target: map::Get, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:174:63 [INFO] [stderr] | [INFO] [stderr] 174 | where T: NewtypeDerefMut, T::Target: map::_GetMut<'a, Q>, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:180:58 [INFO] [stderr] | [INFO] [stderr] 180 | where T: NewtypeDerefMut, T::Target: map::GetMut, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Key` not found for `T` [INFO] [stderr] --> src/impls/core.rs:192:58 [INFO] [stderr] | [INFO] [stderr] 192 | where T: NewtypeDerefMut, T::Target: map::Remove, T::Key: Borrow, Q: Ord [INFO] [stderr] | ^^^^^^ associated type `Key` not found [INFO] [stderr] [INFO] [stderr] error: aborting due to 11 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0220, E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0220`. [INFO] [stderr] error: Could not compile `collection_traits`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "1f11eac73cd5fb523d007becf85a3f0285379b4c87c0a27f6070195db890d25a"` [INFO] running `"docker" "rm" "-f" "1f11eac73cd5fb523d007becf85a3f0285379b4c87c0a27f6070195db890d25a"` [INFO] [stdout] 1f11eac73cd5fb523d007becf85a3f0285379b4c87c0a27f6070195db890d25a