[INFO] fetching crate pi_link_list 0.1.9...
[INFO] checking pi_link_list-0.1.9 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate pi_link_list 0.1.9 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pi_link_list 0.1.9 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_link_list 0.1.9
[INFO] finished tweaking crates.io crate pi_link_list 0.1.9
[INFO] tweaked toml for crates.io crate pi_link_list 0.1.9 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-deref-rs v0.1.1
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d3fa09ca0e5c6f1037efdc382c0b7a27f595269f71df00b89fe6b094a8cffa
[INFO] running `Command { std: "docker" "start" "-a" "63d3fa09ca0e5c6f1037efdc382c0b7a27f595269f71df00b89fe6b094a8cffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d3fa09ca0e5c6f1037efdc382c0b7a27f595269f71df00b89fe6b094a8cffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d3fa09ca0e5c6f1037efdc382c0b7a27f595269f71df00b89fe6b094a8cffa", kill_on_drop: false }`
[INFO] [stdout] 63d3fa09ca0e5c6f1037efdc382c0b7a27f595269f71df00b89fe6b094a8cffa
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004a7548a87de3cb338274a66a708a44d2db7b5110db7a5f2ec8fe4538a12541
[INFO] running `Command { std: "docker" "start" "-a" "004a7548a87de3cb338274a66a708a44d2db7b5110db7a5f2ec8fe4538a12541", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking pi_null v0.1.11
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pi_share v0.4.15
[INFO] [stderr]     Checking pi_print_any v0.1.2
[INFO] [stderr]    Compiling pi_slotmap v0.1.16
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking pi_key_alloter v0.4.4
[INFO] [stderr]    Compiling derive-deref-rs v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking pi_link_list v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0038]: the trait `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:520:29
[INFO] [stdout]     |
[INFO] [stdout] 520 |         link_list.link_before(k1, Key::null(), &mut map);
[INFO] [stdout]     |                                   ^^^ `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_key_alloter-0.4.4/src/lib.rs:99:7
[INFO] [stdout]     |
[INFO] [stdout] 99  |     + PartialEq
[INFO] [stdout]     |       ^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout] 100 |     + Ord
[INFO] [stdout] 101 |     + PartialOrd
[INFO] [stdout]     |       ^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:329:15
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    ::: /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:818:21
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]     = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `pi_slotmap::Key` for this new enum and using it instead:
[INFO] [stdout]               pi_slotmap::DefaultKey
[INFO] [stdout]               u32
[INFO] [stdout]               u64
[INFO] [stdout]               usize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]    --> src/lib.rs:520:29
[INFO] [stdout]     |
[INFO] [stdout] 520 |         link_list.link_before(k1, Key::null(), &mut map);
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]     |
[INFO] [stdout] 520 |         link_list.link_before(k1, <dyn Key>::null(), &mut map);
[INFO] [stdout]     |                                   ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:526:21
[INFO] [stdout]     |
[INFO] [stdout] 526 |             (k1, DefaultKey::null(), DefaultKey::null())
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:526:41
[INFO] [stdout]     |
[INFO] [stdout] 526 |             (k1, DefaultKey::null(), DefaultKey::null())
[INFO] [stdout]     |                                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:533:29
[INFO] [stdout]     |
[INFO] [stdout] 533 |         link_list.link_before(k2, Key::null(), &mut map);
[INFO] [stdout]     |                                   ^^^ `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_key_alloter-0.4.4/src/lib.rs:99:7
[INFO] [stdout]     |
[INFO] [stdout] 99  |     + PartialEq
[INFO] [stdout]     |       ^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout] 100 |     + Ord
[INFO] [stdout] 101 |     + PartialOrd
[INFO] [stdout]     |       ^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:329:15
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    ::: /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:818:21
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]     = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `pi_slotmap::Key` for this new enum and using it instead:
[INFO] [stdout]               pi_slotmap::DefaultKey
[INFO] [stdout]               u32
[INFO] [stdout]               u64
[INFO] [stdout]               usize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]    --> src/lib.rs:533:29
[INFO] [stdout]     |
[INFO] [stdout] 533 |         link_list.link_before(k2, Key::null(), &mut map);
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]     |
[INFO] [stdout] 533 |         link_list.link_before(k2, <dyn Key>::null(), &mut map);
[INFO] [stdout]     |                                   ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:539:21
[INFO] [stdout]     |
[INFO] [stdout] 539 |             (k1, DefaultKey::null(), k2),
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:540:25
[INFO] [stdout]     |
[INFO] [stdout] 540 |             (k2, k1, DefaultKey::null())
[INFO] [stdout]     |                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:552:21
[INFO] [stdout]     |
[INFO] [stdout] 552 |             (k1, DefaultKey::null(), k3),
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:553:25
[INFO] [stdout]     |
[INFO] [stdout] 553 |             (k2, k3, DefaultKey::null()),
[INFO] [stdout]     |                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:568:25
[INFO] [stdout]     |
[INFO] [stdout] 568 |             (k2, k3, DefaultKey::null()),
[INFO] [stdout]     |                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:570:21
[INFO] [stdout]     |
[INFO] [stdout] 570 |             (k4, DefaultKey::null(), k1),
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:585:25
[INFO] [stdout]     |
[INFO] [stdout] 585 |             (k2, k1, DefaultKey::null()),
[INFO] [stdout]     |                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:586:21
[INFO] [stdout]     |
[INFO] [stdout] 586 |             (k4, DefaultKey::null(), k1),
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:598:21
[INFO] [stdout]     |
[INFO] [stdout] 598 |             (k1, DefaultKey::null(), k2),
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:599:25
[INFO] [stdout]     |
[INFO] [stdout] 599 |             (k2, k1, DefaultKey::null()),
[INFO] [stdout]     |                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:611:21
[INFO] [stdout]     |
[INFO] [stdout] 611 |             (k1, DefaultKey::null(), DefaultKey::null())
[INFO] [stdout]     |                              ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:611:41
[INFO] [stdout]     |
[INFO] [stdout] 611 |             (k1, DefaultKey::null(), DefaultKey::null())
[INFO] [stdout]     |                                                  ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:618:26
[INFO] [stdout]     |
[INFO] [stdout] 618 |         assert_eq!(DefaultKey::null(), link_list.head());
[INFO] [stdout]     |                                ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `null` found for struct `DefaultKey` in the current scope
[INFO] [stdout]    --> src/lib.rs:619:26
[INFO] [stdout]     |
[INFO] [stdout] 619 |         assert_eq!(DefaultKey::null(), link_list.tail());
[INFO] [stdout]     |                                ^^^^ function or associated item not found in `DefaultKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 508 +     use pi_null::Null;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:630:30
[INFO] [stdout]     |
[INFO] [stdout] 630 |         link_list1.link_before(k1, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^ `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_key_alloter-0.4.4/src/lib.rs:99:7
[INFO] [stdout]     |
[INFO] [stdout] 99  |     + PartialEq
[INFO] [stdout]     |       ^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout] 100 |     + Ord
[INFO] [stdout] 101 |     + PartialOrd
[INFO] [stdout]     |       ^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:329:15
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    ::: /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:818:21
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]     = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `pi_slotmap::Key` for this new enum and using it instead:
[INFO] [stdout]               pi_slotmap::DefaultKey
[INFO] [stdout]               u32
[INFO] [stdout]               u64
[INFO] [stdout]               usize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]    --> src/lib.rs:630:30
[INFO] [stdout]     |
[INFO] [stdout] 630 |         link_list1.link_before(k1, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]     |
[INFO] [stdout] 630 |         link_list1.link_before(k1, <dyn Key>::null(), &mut map);
[INFO] [stdout]     |                                    ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:632:30
[INFO] [stdout]     |
[INFO] [stdout] 632 |         link_list1.link_before(k2, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^ `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_key_alloter-0.4.4/src/lib.rs:99:7
[INFO] [stdout]     |
[INFO] [stdout] 99  |     + PartialEq
[INFO] [stdout]     |       ^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout] 100 |     + Ord
[INFO] [stdout] 101 |     + PartialOrd
[INFO] [stdout]     |       ^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:329:15
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    ::: /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:818:21
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]     = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `pi_slotmap::Key` for this new enum and using it instead:
[INFO] [stdout]               pi_slotmap::DefaultKey
[INFO] [stdout]               u32
[INFO] [stdout]               u64
[INFO] [stdout]               usize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]    --> src/lib.rs:632:30
[INFO] [stdout]     |
[INFO] [stdout] 632 |         link_list1.link_before(k2, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]     |
[INFO] [stdout] 632 |         link_list1.link_before(k2, <dyn Key>::null(), &mut map);
[INFO] [stdout]     |                                    ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:637:30
[INFO] [stdout]     |
[INFO] [stdout] 637 |         link_list2.link_before(k3, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^ `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_key_alloter-0.4.4/src/lib.rs:99:7
[INFO] [stdout]     |
[INFO] [stdout] 99  |     + PartialEq
[INFO] [stdout]     |       ^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout] 100 |     + Ord
[INFO] [stdout] 101 |     + PartialOrd
[INFO] [stdout]     |       ^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:329:15
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    ::: /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:818:21
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]     = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `pi_slotmap::Key` for this new enum and using it instead:
[INFO] [stdout]               pi_slotmap::DefaultKey
[INFO] [stdout]               u32
[INFO] [stdout]               u64
[INFO] [stdout]               usize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]    --> src/lib.rs:637:30
[INFO] [stdout]     |
[INFO] [stdout] 637 |         link_list2.link_before(k3, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]     |
[INFO] [stdout] 637 |         link_list2.link_before(k3, <dyn Key>::null(), &mut map);
[INFO] [stdout]     |                                    ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:639:30
[INFO] [stdout]     |
[INFO] [stdout] 639 |         link_list2.link_before(k4, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^ `pi_slotmap::Key` cannot be made into an object
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pi_key_alloter-0.4.4/src/lib.rs:99:7
[INFO] [stdout]     |
[INFO] [stdout] 99  |     + PartialEq
[INFO] [stdout]     |       ^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout] 100 |     + Ord
[INFO] [stdout] 101 |     + PartialOrd
[INFO] [stdout]     |       ^^^^^^^^^^ the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    --> /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:329:15
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]    ::: /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/cmp.rs:818:21
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait cannot be made into an object because it uses `Self` as a type parameter
[INFO] [stdout]     = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `pi_slotmap::Key` for this new enum and using it instead:
[INFO] [stdout]               pi_slotmap::DefaultKey
[INFO] [stdout]               u32
[INFO] [stdout]               u64
[INFO] [stdout]               usize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: trait objects must include the `dyn` keyword
[INFO] [stdout]    --> src/lib.rs:639:30
[INFO] [stdout]     |
[INFO] [stdout] 639 |         link_list2.link_before(k4, Key::null(), &mut map);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `dyn` keyword before this trait
[INFO] [stdout]     |
[INFO] [stdout] 639 |         link_list2.link_before(k4, <dyn Key>::null(), &mut map);
[INFO] [stdout]     |                                    ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 28 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0038, E0599, E0782.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_link_list` (lib test) due to 29 previous errors
[INFO] running `Command { std: "docker" "inspect" "004a7548a87de3cb338274a66a708a44d2db7b5110db7a5f2ec8fe4538a12541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004a7548a87de3cb338274a66a708a44d2db7b5110db7a5f2ec8fe4538a12541", kill_on_drop: false }`
[INFO] [stdout] 004a7548a87de3cb338274a66a708a44d2db7b5110db7a5f2ec8fe4538a12541
