[INFO] fetching crate collection_traits 0.0.2...
[INFO] testing collection_traits-0.0.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate collection_traits 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate collection_traits 0.0.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aab52d641f53d2d3cccd0468b1c4b66f9dd99616c8d309e13ea25091e24c9d63
[INFO] running `Command { std: "docker" "start" "-a" "aab52d641f53d2d3cccd0468b1c4b66f9dd99616c8d309e13ea25091e24c9d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab52d641f53d2d3cccd0468b1c4b66f9dd99616c8d309e13ea25091e24c9d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab52d641f53d2d3cccd0468b1c4b66f9dd99616c8d309e13ea25091e24c9d63", kill_on_drop: false }`
[INFO] [stdout] aab52d641f53d2d3cccd0468b1c4b66f9dd99616c8d309e13ea25091e24c9d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b751aaaf7e4b7ba351e2fe63baf43202d2fb1b640753caa54c6c369592525b8c
[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" "b751aaaf7e4b7ba351e2fe63baf43202d2fb1b640753caa54c6c369592525b8c", 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 beta 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 beta 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` due to 12 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b751aaaf7e4b7ba351e2fe63baf43202d2fb1b640753caa54c6c369592525b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b751aaaf7e4b7ba351e2fe63baf43202d2fb1b640753caa54c6c369592525b8c", kill_on_drop: false }`
[INFO] [stdout] b751aaaf7e4b7ba351e2fe63baf43202d2fb1b640753caa54c6c369592525b8c
