[INFO] fetching crate collection_traits 0.0.2...
[INFO] testing collection_traits-0.0.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate collection_traits 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate collection_traits 0.0.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate collection_traits 0.0.2
[INFO] finished tweaking crates.io crate collection_traits 0.0.2
[INFO] tweaked toml for crates.io crate collection_traits 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b3861181400398418e73ca7efddd119ffa19b611922a96e492d2879a010c382
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b3861181400398418e73ca7efddd119ffa19b611922a96e492d2879a010c382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b3861181400398418e73ca7efddd119ffa19b611922a96e492d2879a010c382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3861181400398418e73ca7efddd119ffa19b611922a96e492d2879a010c382", kill_on_drop: false }`
[INFO] [stdout] 1b3861181400398418e73ca7efddd119ffa19b611922a96e492d2879a010c382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1f96475b5ebe874c191716ca8bd8b0f8e7c689cc5c90d31446e51048a0bf3e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a1f96475b5ebe874c191716ca8bd8b0f8e7c689cc5c90d31446e51048a0bf3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection_traits v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]  --> src/impls/hash_map.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::hash_state::HashState;
[INFO] [stdout]   |                       ^^^^^^^^^^ could not find `hash_state` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::hash_state`
[INFO] [stdout]  --> src/impls/hash_set.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::hash_state::HashState;
[INFO] [stdout]   |                       ^^^^^^^^^^ could not find `hash_state` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)] 
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hashmap_hasher)] 
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]    --> src/traits.rs:129:31
[INFO] [stdout]     |
[INFO] [stdout] 129 |     use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]    --> src/traits.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]     |                       ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:135:65
[INFO] [stdout]     |
[INFO] [stdout] 135 |     where T: NewtypeDeref, T::Target: assoc::ContainsKey<Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                                 ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:141:62
[INFO] [stdout]     |
[INFO] [stdout] 141 |     where T: NewtypeDerefMut, T::Target: assoc::Erase<Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                              ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:162:60
[INFO] [stdout]     |
[INFO] [stdout] 162 |     where T: NewtypeDeref, T::Target: map::_Get<'a, Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                            ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:168:55
[INFO] [stdout]     |
[INFO] [stdout] 168 |     where T: NewtypeDeref, T::Target: map::Get<Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                       ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:174:66
[INFO] [stdout]     |
[INFO] [stdout] 174 |     where T: NewtypeDerefMut, T::Target: map::_GetMut<'a, Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                                  ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:180:61
[INFO] [stdout]     |
[INFO] [stdout] 180 |     where T: NewtypeDerefMut, T::Target: map::GetMut<Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                             ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Key` not found for `T`
[INFO] [stdout]    --> src/impls/core.rs:192:61
[INFO] [stdout]     |
[INFO] [stdout] 192 |     where T: NewtypeDerefMut, T::Target: map::Remove<Q>, T::Key: Borrow<Q>, Q: Ord
[INFO] [stdout]     |                                                             ^^^ associated type `Key` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `collection_traits`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a1f96475b5ebe874c191716ca8bd8b0f8e7c689cc5c90d31446e51048a0bf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1f96475b5ebe874c191716ca8bd8b0f8e7c689cc5c90d31446e51048a0bf3e", kill_on_drop: false }`
[INFO] [stdout] 7a1f96475b5ebe874c191716ca8bd8b0f8e7c689cc5c90d31446e51048a0bf3e
