[INFO] fetching crate snapup 0.1.6...
[INFO] checking snapup-0.1.6 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate snapup 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate snapup 0.1.6 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snapup 0.1.6
[INFO] finished tweaking crates.io crate snapup 0.1.6
[INFO] tweaked toml for crates.io crate snapup 0.1.6 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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream-impl v0.3.5
[INFO] [stderr]   Downloaded async-stream v0.3.5
[INFO] [stderr]   Downloaded tokio-test v0.4.3
[INFO] [stderr]   Downloaded streamtools v0.7.5
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c11fb8101efe0b63bb467311d606486ae50c958933c4f536b0194f24a0c39cc
[INFO] running `Command { std: "docker" "start" "-a" "6c11fb8101efe0b63bb467311d606486ae50c958933c4f536b0194f24a0c39cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c11fb8101efe0b63bb467311d606486ae50c958933c4f536b0194f24a0c39cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c11fb8101efe0b63bb467311d606486ae50c958933c4f536b0194f24a0c39cc", kill_on_drop: false }`
[INFO] [stdout] 6c11fb8101efe0b63bb467311d606486ae50c958933c4f536b0194f24a0c39cc
[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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1576f498ee995922e50a8f6d8e3f5ca546e90b700557d138ddf350e4cd6d7e5e
[INFO] running `Command { std: "docker" "start" "-a" "1576f498ee995922e50a8f6d8e3f5ca546e90b700557d138ddf350e4cd6d7e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling streamtools v0.7.5
[INFO] [stderr]    Compiling snapup v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     pub fn map_keys<R>(
[INFO] [stdout] 85 | |         self,
[INFO] [stdout] 86 | |         f: impl Fn(Key) -> R + Clone,
[INFO] [stdout] 87 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 88 | |         impl IntoIterator<Item = (R, Value)>,
[INFO] [stdout] 89 | |         impl Stream<Item = impl IntoIterator<Item = (R, Option<Value>)>>,
[INFO] [stdout] 90 | |     > {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | /     pub fn map_values<R>(
[INFO] [stdout] 109 | |         self,
[INFO] [stdout] 110 | |         f: impl Fn(Value) -> R + Clone,
[INFO] [stdout] 111 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 112 | |         impl IntoIterator<Item = (Key, R)>,
[INFO] [stdout] 113 | |         impl Stream<Item = impl IntoIterator<Item = (Key, Option<R>)>>,
[INFO] [stdout] 114 | |     > {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | /     pub fn filter(
[INFO] [stdout] 133 | |         self,
[INFO] [stdout] 134 | |         f: impl Fn(&Key, &Value) -> bool + Clone,
[INFO] [stdout] 135 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 136 | |         impl IntoIterator<Item = (Key, Value)>,
[INFO] [stdout] 137 | |         impl Stream<Item = impl IntoIterator<Item = (Key, Option<Value>)>>,
[INFO] [stdout] 138 | |     > {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 | /     pub fn filter_keys(
[INFO] [stdout] 182 | |         self,
[INFO] [stdout] 183 | |         f: impl Fn(&Key) -> bool + Clone,
[INFO] [stdout] 184 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 185 | |         impl IntoIterator<Item = (Key, Value)>,
[INFO] [stdout] 186 | |         impl Stream<Item = impl IntoIterator<Item = (Key, Option<Value>)>>,
[INFO] [stdout] 187 | |     > {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/join_with_parent.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     pub fn join_with_optional_parent<ParentKey, ParentValue, ParentSnapshot, ParentUpdates>(
[INFO] [stdout] 15 | |         self,
[INFO] [stdout] 16 | |         other: SnapshotWithUpdates<ParentSnapshot, ParentUpdates>,
[INFO] [stdout] 17 | |         f: impl FnMut(&Key) -> ParentKey,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |         ParentUpdates: Stream,
[INFO] [stdout] 30 | |         ParentUpdates::Item: IntoIterator<Item = (ParentKey, Option<ParentValue>)>,
[INFO] [stdout]    | |___________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/join_with_parent.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     pub fn join_with_parent<ParentKey, ParentValue, ParentSnapshot, ParentUpdates>(
[INFO] [stdout] 78 | |         self,
[INFO] [stdout] 79 | |         other: SnapshotWithUpdates<ParentSnapshot, ParentUpdates>,
[INFO] [stdout] 80 | |         f: impl FnMut(&Key) -> ParentKey,
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         ParentUpdates: Stream,
[INFO] [stdout] 91 | |         ParentUpdates::Item: IntoIterator<Item = (ParentKey, Option<ParentValue>)>,
[INFO] [stdout]    | |___________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Update` is never used
[INFO] [stdout]    --> src/join_with_parent.rs:392:14
[INFO] [stdout]     |
[INFO] [stdout] 392 |         enum Update {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "1576f498ee995922e50a8f6d8e3f5ca546e90b700557d138ddf350e4cd6d7e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1576f498ee995922e50a8f6d8e3f5ca546e90b700557d138ddf350e4cd6d7e5e", kill_on_drop: false }`
[INFO] [stdout] 1576f498ee995922e50a8f6d8e3f5ca546e90b700557d138ddf350e4cd6d7e5e
[INFO] checking snapup-0.1.6 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate snapup 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate snapup 0.1.6 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snapup 0.1.6
[INFO] finished tweaking crates.io crate snapup 0.1.6
[INFO] tweaked toml for crates.io crate snapup 0.1.6 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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4495813a4af21677c85d925d06fce577a13f3b6777376bf05010af8eef37a8a8
[INFO] running `Command { std: "docker" "start" "-a" "4495813a4af21677c85d925d06fce577a13f3b6777376bf05010af8eef37a8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4495813a4af21677c85d925d06fce577a13f3b6777376bf05010af8eef37a8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4495813a4af21677c85d925d06fce577a13f3b6777376bf05010af8eef37a8a8", kill_on_drop: false }`
[INFO] [stdout] 4495813a4af21677c85d925d06fce577a13f3b6777376bf05010af8eef37a8a8
[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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] c113a4ae2833d0d9094f3db0153d79bb05a5e41124d28c968d1bf0cb74bcd132
[INFO] running `Command { std: "docker" "start" "-a" "c113a4ae2833d0d9094f3db0153d79bb05a5e41124d28c968d1bf0cb74bcd132", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling streamtools v0.7.5
[INFO] [stderr]    Compiling snapup v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] error: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]  --> src/lib.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]  --> src/lib.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     pub fn map_keys<R>(
[INFO] [stdout] 85 | |         self,
[INFO] [stdout] 86 | |         f: impl Fn(Key) -> R + Clone,
[INFO] [stdout] 87 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 88 | |         impl IntoIterator<Item = (R, Value)>,
[INFO] [stdout] 89 | |         impl Stream<Item = impl IntoIterator<Item = (R, Option<Value>)>>,
[INFO] [stdout] 90 | |     > {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | /     pub fn map_values<R>(
[INFO] [stdout] 109 | |         self,
[INFO] [stdout] 110 | |         f: impl Fn(Value) -> R + Clone,
[INFO] [stdout] 111 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 112 | |         impl IntoIterator<Item = (Key, R)>,
[INFO] [stdout] 113 | |         impl Stream<Item = impl IntoIterator<Item = (Key, Option<R>)>>,
[INFO] [stdout] 114 | |     > {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | /     pub fn filter(
[INFO] [stdout] 133 | |         self,
[INFO] [stdout] 134 | |         f: impl Fn(&Key, &Value) -> bool + Clone,
[INFO] [stdout] 135 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 136 | |         impl IntoIterator<Item = (Key, Value)>,
[INFO] [stdout] 137 | |         impl Stream<Item = impl IntoIterator<Item = (Key, Option<Value>)>>,
[INFO] [stdout] 138 | |     > {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 | /     pub fn filter_keys(
[INFO] [stdout] 182 | |         self,
[INFO] [stdout] 183 | |         f: impl Fn(&Key) -> bool + Clone,
[INFO] [stdout] 184 | |     ) -> SnapshotWithUpdates<
[INFO] [stdout] 185 | |         impl IntoIterator<Item = (Key, Value)>,
[INFO] [stdout] 186 | |         impl Stream<Item = impl IntoIterator<Item = (Key, Option<Value>)>>,
[INFO] [stdout] 187 | |     > {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/join_with_parent.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     pub fn join_with_optional_parent<ParentKey, ParentValue, ParentSnapshot, ParentUpdates>(
[INFO] [stdout] 15 | |         self,
[INFO] [stdout] 16 | |         other: SnapshotWithUpdates<ParentSnapshot, ParentUpdates>,
[INFO] [stdout] 17 | |         f: impl FnMut(&Key) -> ParentKey,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |         ParentUpdates: Stream,
[INFO] [stdout] 30 | |         ParentUpdates::Item: IntoIterator<Item = (ParentKey, Option<ParentValue>)>,
[INFO] [stdout]    | |___________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/join_with_parent.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     pub fn join_with_parent<ParentKey, ParentValue, ParentSnapshot, ParentUpdates>(
[INFO] [stdout] 78 | |         self,
[INFO] [stdout] 79 | |         other: SnapshotWithUpdates<ParentSnapshot, ParentUpdates>,
[INFO] [stdout] 80 | |         f: impl FnMut(&Key) -> ParentKey,
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         ParentUpdates: Stream,
[INFO] [stdout] 91 | |         ParentUpdates::Item: IntoIterator<Item = (ParentKey, Option<ParentValue>)>,
[INFO] [stdout]    | |___________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snapup` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Update` is never used
[INFO] [stdout]    --> src/join_with_parent.rs:392:14
[INFO] [stdout]     |
[INFO] [stdout] 392 |         enum Update {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snapup` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c113a4ae2833d0d9094f3db0153d79bb05a5e41124d28c968d1bf0cb74bcd132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c113a4ae2833d0d9094f3db0153d79bb05a5e41124d28c968d1bf0cb74bcd132", kill_on_drop: false }`
[INFO] [stdout] c113a4ae2833d0d9094f3db0153d79bb05a5e41124d28c968d1bf0cb74bcd132
