[INFO] fetching crate collection_traits 0.0.2...
[INFO] checking collection_traits-0.0.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate collection_traits 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate collection_traits 0.0.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.4.0
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57aa436596a5de869a5433a4a3690ed53680c679c0ae283a4e27c6c9ca03ee70
[INFO] running `Command { std: "docker" "start" "-a" "57aa436596a5de869a5433a4a3690ed53680c679c0ae283a4e27c6c9ca03ee70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57aa436596a5de869a5433a4a3690ed53680c679c0ae283a4e27c6c9ca03ee70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57aa436596a5de869a5433a4a3690ed53680c679c0ae283a4e27c6c9ca03ee70", kill_on_drop: false }`
[INFO] [stdout] 57aa436596a5de869a5433a4a3690ed53680c679c0ae283a4e27c6c9ca03ee70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 197a0ee9a600841814222bbe0ce1dcf3f99bcbb108dc8bcc76f4a4d47d0e73ef
[INFO] running `Command { std: "docker" "start" "-a" "197a0ee9a600841814222bbe0ce1dcf3f99bcbb108dc8bcc76f4a4d47d0e73ef", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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] 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] 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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::ContainsKey<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::Erase<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_Get<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Get<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 173 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_GetMut<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::GetMut<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Remove<Q> for T
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::ContainsKey<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::Erase<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_Get<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Get<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 173 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_GetMut<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::GetMut<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Remove<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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: 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 test) 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) due to 11 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "197a0ee9a600841814222bbe0ce1dcf3f99bcbb108dc8bcc76f4a4d47d0e73ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197a0ee9a600841814222bbe0ce1dcf3f99bcbb108dc8bcc76f4a4d47d0e73ef", kill_on_drop: false }`
[INFO] [stdout] 197a0ee9a600841814222bbe0ce1dcf3f99bcbb108dc8bcc76f4a4d47d0e73ef
[INFO] checking collection_traits-0.0.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate collection_traits 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate collection_traits 0.0.2 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73a0c62010df6dbdfb54be72946c97a5e8f1e265b6fea0620ffac558c9901c4a
[INFO] running `Command { std: "docker" "start" "-a" "73a0c62010df6dbdfb54be72946c97a5e8f1e265b6fea0620ffac558c9901c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a0c62010df6dbdfb54be72946c97a5e8f1e265b6fea0620ffac558c9901c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a0c62010df6dbdfb54be72946c97a5e8f1e265b6fea0620ffac558c9901c4a", kill_on_drop: false }`
[INFO] [stdout] 73a0c62010df6dbdfb54be72946c97a5e8f1e265b6fea0620ffac558c9901c4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a803619013d9c8b93d33762ecae6e52acc7f240c8167634e0029ba4cdb3f551
[INFO] running `Command { std: "docker" "start" "-a" "2a803619013d9c8b93d33762ecae6e52acc7f240c8167634e0029ba4cdb3f551", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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] 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] 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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::ContainsKey<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::Erase<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_Get<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Get<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 173 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_GetMut<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::GetMut<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Remove<Q> for T
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::ContainsKey<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> assoc::Erase<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_Get<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 167 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Get<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 173 | impl<'a, T: ?Sized + traits::assoc::Base, Q: ?Sized> map::_GetMut<'a, Q> for T
[INFO] [stdout]     |                    +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 179 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::GetMut<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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 an associated type `Key` in the trait `traits::assoc::Base`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl<T: ?Sized + traits::assoc::Base, Q: ?Sized> map::Remove<Q> for T
[INFO] [stdout]     |                +++++++++++++++++++++
[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: 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 test) 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) due to 11 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2a803619013d9c8b93d33762ecae6e52acc7f240c8167634e0029ba4cdb3f551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a803619013d9c8b93d33762ecae6e52acc7f240c8167634e0029ba4cdb3f551", kill_on_drop: false }`
[INFO] [stdout] 2a803619013d9c8b93d33762ecae6e52acc7f240c8167634e0029ba4cdb3f551
