[INFO] fetching crate kay 0.5.1... [INFO] checking kay-0.5.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate kay 0.5.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate kay 0.5.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate kay 0.5.1 [INFO] finished tweaking crates.io crate kay 0.5.1 [INFO] tweaked toml for crates.io crate kay 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded primal-estimate v0.2.1 [INFO] [stderr] Downloaded chunky v0.3.7 [INFO] [stderr] Downloaded simple_allocator_trait v0.1.0 [INFO] [stderr] Downloaded input_buffer v0.1.1 [INFO] [stderr] Downloaded hamming v0.1.3 [INFO] [stderr] Downloaded primal-bit v0.2.4 [INFO] [stderr] Downloaded primal-check v0.2.3 [INFO] [stderr] Downloaded compact v0.2.16 [INFO] [stderr] Downloaded primal v0.2.3 [INFO] [stderr] Downloaded compact_macros v0.1.0 [INFO] [stderr] Downloaded primal-sieve v0.2.9 [INFO] [stderr] Downloaded tungstenite v0.5.4 [INFO] [stderr] Downloaded sha1 v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 2a3436c2a8b569e64f9c7928babcf91e2512d7fdde7ddf847898113edb53005f [INFO] running `Command { std: "docker" "start" "-a" "2a3436c2a8b569e64f9c7928babcf91e2512d7fdde7ddf847898113edb53005f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a3436c2a8b569e64f9c7928babcf91e2512d7fdde7ddf847898113edb53005f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a3436c2a8b569e64f9c7928babcf91e2512d7fdde7ddf847898113edb53005f", kill_on_drop: false }` [INFO] [stdout] 2a3436c2a8b569e64f9c7928babcf91e2512d7fdde7ddf847898113edb53005f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80b94491a686700c2e935a1566ba5e2d810ccab1a5516aabbdeab292dbfc94d4 [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" "80b94491a686700c2e935a1566ba5e2d810ccab1a5516aabbdeab292dbfc94d4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking primal-estimate v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking simple_allocator_trait v0.1.0 [INFO] [stderr] Checking sha1 v0.4.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking primal-bit v0.2.4 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking primal-sieve v0.2.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking chunky v0.3.7 [INFO] [stderr] Checking input_buffer v0.1.1 [INFO] [stderr] Checking tungstenite v0.5.4 [INFO] [stderr] Compiling compact_macros v0.1.0 [INFO] [stderr] Checking primal-check v0.2.3 [INFO] [stderr] Checking primal v0.2.3 [INFO] [stderr] Checking compact v0.2.16 [INFO] [stderr] Checking kay v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | let mut items: [_; $n] = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/actor_system.rs:49:42 [INFO] [stdout] | [INFO] [stdout] 49 | trait_implementors: unsafe { make_array!(MAX_RECIPIENT_TYPES, |_| None) }, [INFO] [stdout] | ------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | let mut items: [_; $n] = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/actor_system.rs:52:31 [INFO] [stdout] | [INFO] [stdout] 52 | classes: unsafe { make_array!(MAX_RECIPIENT_TYPES, |_| None) }, [INFO] [stdout] | ------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | let mut items: [_; $n] = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/class/mod.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | message_handlers: unsafe { make_array!(MAX_MESSAGE_TYPES, |_| MessageHandler::Unassigned) }, [INFO] [stdout] | -------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | let mut items: [_; $n] = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/actor_system.rs:49:42 [INFO] [stdout] | [INFO] [stdout] 49 | trait_implementors: unsafe { make_array!(MAX_RECIPIENT_TYPES, |_| None) }, [INFO] [stdout] | ------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | let mut items: [_; $n] = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/actor_system.rs:52:31 [INFO] [stdout] | [INFO] [stdout] 52 | classes: unsafe { make_array!(MAX_RECIPIENT_TYPES, |_| None) }, [INFO] [stdout] | ------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | let mut items: [_; $n] = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/class/mod.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | message_handlers: unsafe { make_array!(MAX_MESSAGE_TYPES, |_| MessageHandler::Unassigned) }, [INFO] [stdout] | -------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/class/mod.rs:41:26 [INFO] [stdout] | [INFO] [stdout] 41 | let actor_name = unsafe { ::std::intrinsics::type_name::() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:50:23 [INFO] [stdout] | [INFO] [stdout] 50 | let long_id = unsafe { type_id::() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:54:31 [INFO] [stdout] | [INFO] [stdout] 54 | .insert(short_id, unsafe { type_name::() }.into()); [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:60:62 [INFO] [stdout] | [INFO] [stdout] 60 | if let Some(&short_id) = self.long_to_short_ids.get(&unsafe { type_id::() }) { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:63:40 [INFO] [stdout] | [INFO] [stdout] 63 | panic!("{:?} not known.", &unsafe { type_name::() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 69 | .get(&unsafe { type_id::() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/tuning.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Tuning { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/tuning.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub instance_chunk_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/tuning.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub instance_entry_chunk_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/tuning.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub instance_versions_chunk_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/tuning.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub instance_free_chunk_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/tuning.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub inbox_queue_chunk_size: usize [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/class/mod.rs:41:26 [INFO] [stdout] | [INFO] [stdout] 41 | let actor_name = unsafe { ::std::intrinsics::type_name::() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:50:23 [INFO] [stdout] | [INFO] [stdout] 50 | let long_id = unsafe { type_id::() }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:54:31 [INFO] [stdout] | [INFO] [stdout] 54 | .insert(short_id, unsafe { type_name::() }.into()); [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:60:62 [INFO] [stdout] | [INFO] [stdout] 60 | if let Some(&short_id) = self.long_to_short_ids.get(&unsafe { type_id::() }) { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:63:40 [INFO] [stdout] | [INFO] [stdout] 63 | panic!("{:?} not known.", &unsafe { type_name::() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/type_registry.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 69 | .get(&unsafe { type_id::() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.05s [INFO] running `Command { std: "docker" "inspect" "80b94491a686700c2e935a1566ba5e2d810ccab1a5516aabbdeab292dbfc94d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80b94491a686700c2e935a1566ba5e2d810ccab1a5516aabbdeab292dbfc94d4", kill_on_drop: false }` [INFO] [stdout] 80b94491a686700c2e935a1566ba5e2d810ccab1a5516aabbdeab292dbfc94d4