[INFO] fetching crate collection_traits 0.0.2...
[INFO] checking collection_traits-0.0.2 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate collection_traits 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate collection_traits 0.0.2 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4342122cebcc8e60e27fe1f187c3246a310292f332617a841027d46868e827c2
[INFO] running `Command { std: "docker" "start" "-a" "4342122cebcc8e60e27fe1f187c3246a310292f332617a841027d46868e827c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4342122cebcc8e60e27fe1f187c3246a310292f332617a841027d46868e827c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4342122cebcc8e60e27fe1f187c3246a310292f332617a841027d46868e827c2", kill_on_drop: false }`
[INFO] [stdout] 4342122cebcc8e60e27fe1f187c3246a310292f332617a841027d46868e827c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3f140cb963b3e7c4fbc6cae189c673c3d5d7a0cf8fa01394efd1df19c4a3fab
[INFO] running `Command { std: "docker" "start" "-a" "b3f140cb963b3e7c4fbc6cae189c673c3d5d7a0cf8fa01394efd1df19c4a3fab", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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[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] 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[E0635]: unknown feature `hashmap_hasher`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hashmap_hasher)] 
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `hashmap_hasher`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hashmap_hasher)] 
[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]     |                                                                 ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                              ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                            ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                       ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                                  ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                             ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                             ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                                 ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                              ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[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]     |                                                            ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                       ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                                  ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                             ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[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]     |                                                             ^^^ there is a similarly named associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `collection_traits` (lib) due to 11 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `collection_traits` (lib test) due to 11 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b3f140cb963b3e7c4fbc6cae189c673c3d5d7a0cf8fa01394efd1df19c4a3fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f140cb963b3e7c4fbc6cae189c673c3d5d7a0cf8fa01394efd1df19c4a3fab", kill_on_drop: false }`
[INFO] [stdout] b3f140cb963b3e7c4fbc6cae189c673c3d5d7a0cf8fa01394efd1df19c4a3fab
