[INFO] fetching crate serde_single_or_vec2 1.0.1...
[INFO] building serde_single_or_vec2-1.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serde_single_or_vec2 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate serde_single_or_vec2 1.0.1
[INFO] finished tweaking crates.io crate serde_single_or_vec2 1.0.1
[INFO] tweaked toml for crates.io crate serde_single_or_vec2 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_single_or_vec2 1.0.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d975f181b9cc085807a148d2a04ed22de619040c70a2ac8deae9f4b8e83e868a
[INFO] running `Command { std: "docker" "start" "-a" "d975f181b9cc085807a148d2a04ed22de619040c70a2ac8deae9f4b8e83e868a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d975f181b9cc085807a148d2a04ed22de619040c70a2ac8deae9f4b8e83e868a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d975f181b9cc085807a148d2a04ed22de619040c70a2ac8deae9f4b8e83e868a", kill_on_drop: false }`
[INFO] [stdout] d975f181b9cc085807a148d2a04ed22de619040c70a2ac8deae9f4b8e83e868a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1eb602f4dac111242c4d31cc4cd2afdc4c72b9f98033ef110aea9c94d4490c4
[INFO] running `Command { std: "docker" "start" "-a" "c1eb602f4dac111242c4d31cc4cd2afdc4c72b9f98033ef110aea9c94d4490c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_single_or_vec2 v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StrDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3020:12
[INFO] [stdout]      |
[INFO] [stdout] 3020 | pub struct StrDeserializer<'a, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BorrowedStrDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3045:12
[INFO] [stdout]      |
[INFO] [stdout] 3045 | pub struct BorrowedStrDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMapDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3071:12
[INFO] [stdout]      |
[INFO] [stdout] 3071 | pub struct FlatMapDeserializer<'a, 'de: 'a, E>(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize_other` is never used
[INFO] [stdout]     --> src/serde_content.rs:3081:8
[INFO] [stdout]      |
[INFO] [stdout] 3077 | / impl<'a, 'de, E> FlatMapDeserializer<'a, 'de, E>
[INFO] [stdout] 3078 | | where
[INFO] [stdout] 3079 | |     E: Error,
[INFO] [stdout]      | |_____________- associated function in this implementation
[INFO] [stdout] 3080 |   {
[INFO] [stdout] 3081 |       fn deserialize_other<V>() -> Result<V, E> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMapAccess` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3231:8
[INFO] [stdout]      |
[INFO] [stdout] 3231 | struct FlatMapAccess<'a, 'de: 'a, E> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatStructAccess` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3275:8
[INFO] [stdout]      |
[INFO] [stdout] 3275 | struct FlatStructAccess<'a, 'de: 'a, E> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flat_map_take_entry` is never used
[INFO] [stdout]     --> src/serde_content.rs:3317:4
[INFO] [stdout]      |
[INFO] [stdout] 3317 | fn flat_map_take_entry<'de>(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdjacentlyTaggedEnumVariantSeed` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3336:12
[INFO] [stdout]      |
[INFO] [stdout] 3336 | pub struct AdjacentlyTaggedEnumVariantSeed<F> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdjacentlyTaggedEnumVariantVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3342:12
[INFO] [stdout]      |
[INFO] [stdout] 3342 | pub struct AdjacentlyTaggedEnumVariantVisitor<F> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `content_as_str` is never used
[INFO] [stdout]    --> src/serde_content.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn content_as_str<'a>(content: &'a Content<'_>) -> Option<&'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:346:16
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub struct ContentVisitor<'de> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/serde_content.rs:351:16
[INFO] [stdout]     |
[INFO] [stdout] 350 |     impl<'de> ContentVisitor<'de> {
[INFO] [stdout]     |     ----------------------------- associated function in this implementation
[INFO] [stdout] 351 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagOrContent` is never used
[INFO] [stdout]    --> src/serde_content.rs:571:14
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub enum TagOrContent<'de> {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagOrContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:578:12
[INFO] [stdout]     |
[INFO] [stdout] 578 |     struct TagOrContentVisitor<'de> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/serde_content.rs:584:12
[INFO] [stdout]     |
[INFO] [stdout] 583 |     impl<'de> TagOrContentVisitor<'de> {
[INFO] [stdout]     |     ---------------------------------- associated function in this implementation
[INFO] [stdout] 584 |         fn new(name: &'static str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:868:16
[INFO] [stdout]     |
[INFO] [stdout] 868 |     pub struct TaggedContentVisitor<T> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagOrContentField` is never used
[INFO] [stdout]    --> src/serde_content.rs:931:14
[INFO] [stdout]     |
[INFO] [stdout] 931 |     pub enum TagOrContentField {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagOrContentFieldVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:937:16
[INFO] [stdout]     |
[INFO] [stdout] 937 |     pub struct TagOrContentFieldVisitor {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagContentOtherField` is never used
[INFO] [stdout]     --> src/serde_content.rs:1007:14
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     pub enum TagContentOtherField {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagContentOtherFieldVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1014:16
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     pub struct TagContentOtherFieldVisitor {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContentDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1076:16
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     pub struct ContentDeserializer<'de, E> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invalid_type`, `deserialize_integer`, and `deserialize_float` are never used
[INFO] [stdout]     --> src/serde_content.rs:1086:12
[INFO] [stdout]      |
[INFO] [stdout] 1081 | /     impl<'de, E> ContentDeserializer<'de, E>
[INFO] [stdout] 1082 | |     where
[INFO] [stdout] 1083 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1086 |           fn invalid_type(self, exp: &dyn Expected) -> E {
[INFO] [stdout]      |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1090 |           fn deserialize_integer<V>(self, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1107 |           fn deserialize_float<V>(self, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit_content_seq` is never used
[INFO] [stdout]     --> src/serde_content.rs:1127:8
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     fn visit_content_seq<'de, V, E>(content: Vec<Content<'de>>, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit_content_map` is never used
[INFO] [stdout]     --> src/serde_content.rs:1138:8
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     fn visit_content_map<'de, V, E>(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1523:16
[INFO] [stdout]      |
[INFO] [stdout] 1521 |     impl<'de, E> ContentDeserializer<'de, E> {
[INFO] [stdout]      |     ---------------------------------------- associated function in this implementation
[INFO] [stdout] 1522 |         /// private API, don't use
[INFO] [stdout] 1523 |         pub fn new(content: Content<'de>) -> Self {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SeqDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1531:12
[INFO] [stdout]      |
[INFO] [stdout] 1531 |     struct SeqDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1538:12
[INFO] [stdout]      |
[INFO] [stdout] 1537 |     impl<'de, E> SeqDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ associated function in this implementation
[INFO] [stdout] 1538 |         fn new(content: Vec<Content<'de>>) -> Self {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `end` is never used
[INFO] [stdout]     --> src/serde_content.rs:1551:12
[INFO] [stdout]      |
[INFO] [stdout] 1547 | /     impl<'de, E> SeqDeserializer<'de, E>
[INFO] [stdout] 1548 | |     where
[INFO] [stdout] 1549 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- method in this implementation
[INFO] [stdout] 1550 |       {
[INFO] [stdout] 1551 |           fn end(self) -> Result<(), E> {
[INFO] [stdout]      |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1624:12
[INFO] [stdout]      |
[INFO] [stdout] 1624 |     struct MapDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1632:12
[INFO] [stdout]      |
[INFO] [stdout] 1631 |     impl<'de, E> MapDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ associated function in this implementation
[INFO] [stdout] 1632 |         fn new(content: Vec<(Content<'de>, Content<'de>)>) -> Self {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `end` is never used
[INFO] [stdout]     --> src/serde_content.rs:1646:12
[INFO] [stdout]      |
[INFO] [stdout] 1642 | /     impl<'de, E> MapDeserializer<'de, E>
[INFO] [stdout] 1643 | |     where
[INFO] [stdout] 1644 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- method in this implementation
[INFO] [stdout] 1645 |       {
[INFO] [stdout] 1646 |           fn end(self) -> Result<(), E> {
[INFO] [stdout]      |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_pair` is never used
[INFO] [stdout]     --> src/serde_content.rs:1662:12
[INFO] [stdout]      |
[INFO] [stdout] 1661 |     impl<'de, E> MapDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ method in this implementation
[INFO] [stdout] 1662 |         fn next_pair(&mut self) -> Option<(Content<'de>, Content<'de>)> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PairDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1790:12
[INFO] [stdout]      |
[INFO] [stdout] 1790 |     struct PairDeserializer<'de, E>(Content<'de>, Content<'de>, PhantomData<E>);
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PairVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1841:12
[INFO] [stdout]      |
[INFO] [stdout] 1841 |     struct PairVisitor<'de, E>(Option<Content<'de>>, Option<Content<'de>>, PhantomData<E>);
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnumDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1885:16
[INFO] [stdout]      |
[INFO] [stdout] 1885 |     pub struct EnumDeserializer<'de, E>
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1898:16
[INFO] [stdout]      |
[INFO] [stdout] 1894 | /     impl<'de, E> EnumDeserializer<'de, E>
[INFO] [stdout] 1895 | |     where
[INFO] [stdout] 1896 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- associated function in this implementation
[INFO] [stdout] 1897 |       {
[INFO] [stdout] 1898 |           pub fn new(variant: Content<'de>, value: Option<Content<'de>>) -> EnumDeserializer<'de, E> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariantDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1927:16
[INFO] [stdout]      |
[INFO] [stdout] 1927 |     pub struct VariantDeserializer<'de, E>
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InternallyTaggedUnitVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:2951:16
[INFO] [stdout]      |
[INFO] [stdout] 2951 |     pub struct InternallyTaggedUnitVisitor<'a> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UntaggedUnitVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:2986:16
[INFO] [stdout]      |
[INFO] [stdout] 2986 |     pub struct UntaggedUnitVisitor<'a> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "c1eb602f4dac111242c4d31cc4cd2afdc4c72b9f98033ef110aea9c94d4490c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1eb602f4dac111242c4d31cc4cd2afdc4c72b9f98033ef110aea9c94d4490c4", kill_on_drop: false }`
[INFO] [stdout] c1eb602f4dac111242c4d31cc4cd2afdc4c72b9f98033ef110aea9c94d4490c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb02f5884867b464cbe440cb28b5e6ce6af0a21ca3a4163e6e9178a4ac09afc
[INFO] running `Command { std: "docker" "start" "-a" "ffb02f5884867b464cbe440cb28b5e6ce6af0a21ca3a4163e6e9178a4ac09afc", kill_on_drop: false }`
[INFO] [stdout] warning: struct `StrDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3020:12
[INFO] [stdout]      |
[INFO] [stdout] 3020 | pub struct StrDeserializer<'a, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BorrowedStrDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3045:12
[INFO] [stdout]      |
[INFO] [stdout] 3045 | pub struct BorrowedStrDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMapDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3071:12
[INFO] [stdout]      |
[INFO] [stdout] 3071 | pub struct FlatMapDeserializer<'a, 'de: 'a, E>(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stdout] warning: associated function `deserialize_other` is never used
[INFO] [stdout]     --> src/serde_content.rs:3081:8
[INFO] [stdout]      |
[INFO] [stdout] 3077 | / impl<'a, 'de, E> FlatMapDeserializer<'a, 'de, E>
[INFO] [stdout] 3078 | | where
[INFO] [stdout] 3079 | |     E: Error,
[INFO] [stdout]      | |_____________- associated function in this implementation
[INFO] [stdout] 3080 |   {
[INFO] [stdout] 3081 |       fn deserialize_other<V>() -> Result<V, E> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMapAccess` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3231:8
[INFO] [stdout]      |
[INFO] [stdout] 3231 | struct FlatMapAccess<'a, 'de: 'a, E> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatStructAccess` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3275:8
[INFO] [stdout]      |
[INFO] [stdout] 3275 | struct FlatStructAccess<'a, 'de: 'a, E> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flat_map_take_entry` is never used
[INFO] [stdout]     --> src/serde_content.rs:3317:4
[INFO] [stdout]      |
[INFO] [stdout] 3317 | fn flat_map_take_entry<'de>(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdjacentlyTaggedEnumVariantSeed` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3336:12
[INFO] [stdout]      |
[INFO] [stdout] 3336 | pub struct AdjacentlyTaggedEnumVariantSeed<F> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdjacentlyTaggedEnumVariantVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3342:12
[INFO] [stdout]      |
[INFO] [stdout] 3342 | pub struct AdjacentlyTaggedEnumVariantVisitor<F> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `content_as_str` is never used
[INFO] [stdout]    --> src/serde_content.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn content_as_str<'a>(content: &'a Content<'_>) -> Option<&'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:346:16
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub struct ContentVisitor<'de> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/serde_content.rs:351:16
[INFO] [stdout]     |
[INFO] [stdout] 350 |     impl<'de> ContentVisitor<'de> {
[INFO] [stdout]     |     ----------------------------- associated function in this implementation
[INFO] [stdout] 351 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagOrContent` is never used
[INFO] [stdout]    --> src/serde_content.rs:571:14
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub enum TagOrContent<'de> {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagOrContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:578:12
[INFO] [stdout]     |
[INFO] [stdout] 578 |     struct TagOrContentVisitor<'de> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/serde_content.rs:584:12
[INFO] [stdout]     |
[INFO] [stdout] 583 |     impl<'de> TagOrContentVisitor<'de> {
[INFO] [stdout]     |     ---------------------------------- associated function in this implementation
[INFO] [stdout] 584 |         fn new(name: &'static str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:868:16
[INFO] [stdout]     |
[INFO] [stdout] 868 |     pub struct TaggedContentVisitor<T> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagOrContentField` is never used
[INFO] [stdout]    --> src/serde_content.rs:931:14
[INFO] [stdout]     |
[INFO] [stdout] 931 |     pub enum TagOrContentField {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagOrContentFieldVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:937:16
[INFO] [stdout]     |
[INFO] [stdout] 937 |     pub struct TagOrContentFieldVisitor {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagContentOtherField` is never used
[INFO] [stdout]     --> src/serde_content.rs:1007:14
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     pub enum TagContentOtherField {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagContentOtherFieldVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1014:16
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     pub struct TagContentOtherFieldVisitor {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContentDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1076:16
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     pub struct ContentDeserializer<'de, E> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invalid_type`, `deserialize_integer`, and `deserialize_float` are never used
[INFO] [stdout]     --> src/serde_content.rs:1086:12
[INFO] [stdout]      |
[INFO] [stdout] 1081 | /     impl<'de, E> ContentDeserializer<'de, E>
[INFO] [stdout] 1082 | |     where
[INFO] [stdout] 1083 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1086 |           fn invalid_type(self, exp: &dyn Expected) -> E {
[INFO] [stdout]      |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1090 |           fn deserialize_integer<V>(self, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1107 |           fn deserialize_float<V>(self, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit_content_seq` is never used
[INFO] [stdout]     --> src/serde_content.rs:1127:8
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     fn visit_content_seq<'de, V, E>(content: Vec<Content<'de>>, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit_content_map` is never used
[INFO] [stdout]     --> src/serde_content.rs:1138:8
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     fn visit_content_map<'de, V, E>(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1523:16
[INFO] [stdout]      |
[INFO] [stdout] 1521 |     impl<'de, E> ContentDeserializer<'de, E> {
[INFO] [stdout]      |     ---------------------------------------- associated function in this implementation
[INFO] [stdout] 1522 |         /// private API, don't use
[INFO] [stdout] 1523 |         pub fn new(content: Content<'de>) -> Self {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SeqDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1531:12
[INFO] [stdout]      |
[INFO] [stdout] 1531 |     struct SeqDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1538:12
[INFO] [stdout]      |
[INFO] [stdout] 1537 |     impl<'de, E> SeqDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ associated function in this implementation
[INFO] [stdout] 1538 |         fn new(content: Vec<Content<'de>>) -> Self {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `end` is never used
[INFO] [stdout]     --> src/serde_content.rs:1551:12
[INFO] [stdout]      |
[INFO] [stdout] 1547 | /     impl<'de, E> SeqDeserializer<'de, E>
[INFO] [stdout] 1548 | |     where
[INFO] [stdout] 1549 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- method in this implementation
[INFO] [stdout] 1550 |       {
[INFO] [stdout] 1551 |           fn end(self) -> Result<(), E> {
[INFO] [stdout]      |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1624:12
[INFO] [stdout]      |
[INFO] [stdout] 1624 |     struct MapDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1632:12
[INFO] [stdout]      |
[INFO] [stdout] 1631 |     impl<'de, E> MapDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ associated function in this implementation
[INFO] [stdout] 1632 |         fn new(content: Vec<(Content<'de>, Content<'de>)>) -> Self {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `end` is never used
[INFO] [stdout]     --> src/serde_content.rs:1646:12
[INFO] [stdout]      |
[INFO] [stdout] 1642 | /     impl<'de, E> MapDeserializer<'de, E>
[INFO] [stdout] 1643 | |     where
[INFO] [stdout] 1644 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- method in this implementation
[INFO] [stdout] 1645 |       {
[INFO] [stdout] 1646 |           fn end(self) -> Result<(), E> {
[INFO] [stdout]      |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_pair` is never used
[INFO] [stdout]     --> src/serde_content.rs:1662:12
[INFO] [stdout]      |
[INFO] [stdout] 1661 |     impl<'de, E> MapDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ method in this implementation
[INFO] [stdout] 1662 |         fn next_pair(&mut self) -> Option<(Content<'de>, Content<'de>)> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PairDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1790:12
[INFO] [stdout]      |
[INFO] [stdout] 1790 |     struct PairDeserializer<'de, E>(Content<'de>, Content<'de>, PhantomData<E>);
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PairVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1841:12
[INFO] [stdout]      |
[INFO] [stdout] 1841 |     struct PairVisitor<'de, E>(Option<Content<'de>>, Option<Content<'de>>, PhantomData<E>);
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnumDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1885:16
[INFO] [stdout]      |
[INFO] [stdout] 1885 |     pub struct EnumDeserializer<'de, E>
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1898:16
[INFO] [stdout]      |
[INFO] [stdout] 1894 | /     impl<'de, E> EnumDeserializer<'de, E>
[INFO] [stdout] 1895 | |     where
[INFO] [stdout] 1896 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- associated function in this implementation
[INFO] [stdout] 1897 |       {
[INFO] [stdout] 1898 |           pub fn new(variant: Content<'de>, value: Option<Content<'de>>) -> EnumDeserializer<'de, E> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariantDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1927:16
[INFO] [stdout]      |
[INFO] [stdout] 1927 |     pub struct VariantDeserializer<'de, E>
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InternallyTaggedUnitVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:2951:16
[INFO] [stdout]      |
[INFO] [stdout] 2951 |     pub struct InternallyTaggedUnitVisitor<'a> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UntaggedUnitVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:2986:16
[INFO] [stdout]      |
[INFO] [stdout] 2986 |     pub struct UntaggedUnitVisitor<'a> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_single_or_vec2 v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StrDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3020:12
[INFO] [stdout]      |
[INFO] [stdout] 3020 | pub struct StrDeserializer<'a, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BorrowedStrDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3045:12
[INFO] [stdout]      |
[INFO] [stdout] 3045 | pub struct BorrowedStrDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMapDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3071:12
[INFO] [stdout]      |
[INFO] [stdout] 3071 | pub struct FlatMapDeserializer<'a, 'de: 'a, E>(
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deserialize_other` is never used
[INFO] [stdout]     --> src/serde_content.rs:3081:8
[INFO] [stdout]      |
[INFO] [stdout] 3077 | / impl<'a, 'de, E> FlatMapDeserializer<'a, 'de, E>
[INFO] [stdout] 3078 | | where
[INFO] [stdout] 3079 | |     E: Error,
[INFO] [stdout]      | |_____________- associated function in this implementation
[INFO] [stdout] 3080 |   {
[INFO] [stdout] 3081 |       fn deserialize_other<V>() -> Result<V, E> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatMapAccess` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3231:8
[INFO] [stdout]      |
[INFO] [stdout] 3231 | struct FlatMapAccess<'a, 'de: 'a, E> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlatStructAccess` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3275:8
[INFO] [stdout]      |
[INFO] [stdout] 3275 | struct FlatStructAccess<'a, 'de: 'a, E> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flat_map_take_entry` is never used
[INFO] [stdout]     --> src/serde_content.rs:3317:4
[INFO] [stdout]      |
[INFO] [stdout] 3317 | fn flat_map_take_entry<'de>(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdjacentlyTaggedEnumVariantSeed` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3336:12
[INFO] [stdout]      |
[INFO] [stdout] 3336 | pub struct AdjacentlyTaggedEnumVariantSeed<F> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdjacentlyTaggedEnumVariantVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:3342:12
[INFO] [stdout]      |
[INFO] [stdout] 3342 | pub struct AdjacentlyTaggedEnumVariantVisitor<F> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `content_as_str` is never used
[INFO] [stdout]    --> src/serde_content.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn content_as_str<'a>(content: &'a Content<'_>) -> Option<&'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:346:16
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub struct ContentVisitor<'de> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/serde_content.rs:351:16
[INFO] [stdout]     |
[INFO] [stdout] 350 |     impl<'de> ContentVisitor<'de> {
[INFO] [stdout]     |     ----------------------------- associated function in this implementation
[INFO] [stdout] 351 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagOrContent` is never used
[INFO] [stdout]    --> src/serde_content.rs:571:14
[INFO] [stdout]     |
[INFO] [stdout] 571 |     pub enum TagOrContent<'de> {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagOrContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:578:12
[INFO] [stdout]     |
[INFO] [stdout] 578 |     struct TagOrContentVisitor<'de> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/serde_content.rs:584:12
[INFO] [stdout]     |
[INFO] [stdout] 583 |     impl<'de> TagOrContentVisitor<'de> {
[INFO] [stdout]     |     ---------------------------------- associated function in this implementation
[INFO] [stdout] 584 |         fn new(name: &'static str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedContentVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:868:16
[INFO] [stdout]     |
[INFO] [stdout] 868 |     pub struct TaggedContentVisitor<T> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagOrContentField` is never used
[INFO] [stdout]    --> src/serde_content.rs:931:14
[INFO] [stdout]     |
[INFO] [stdout] 931 |     pub enum TagOrContentField {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagOrContentFieldVisitor` is never constructed
[INFO] [stdout]    --> src/serde_content.rs:937:16
[INFO] [stdout]     |
[INFO] [stdout] 937 |     pub struct TagOrContentFieldVisitor {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TagContentOtherField` is never used
[INFO] [stdout]     --> src/serde_content.rs:1007:14
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     pub enum TagContentOtherField {
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TagContentOtherFieldVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1014:16
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     pub struct TagContentOtherFieldVisitor {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContentDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1076:16
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     pub struct ContentDeserializer<'de, E> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invalid_type`, `deserialize_integer`, and `deserialize_float` are never used
[INFO] [stdout]     --> src/serde_content.rs:1086:12
[INFO] [stdout]      |
[INFO] [stdout] 1081 | /     impl<'de, E> ContentDeserializer<'de, E>
[INFO] [stdout] 1082 | |     where
[INFO] [stdout] 1083 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1086 |           fn invalid_type(self, exp: &dyn Expected) -> E {
[INFO] [stdout]      |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1090 |           fn deserialize_integer<V>(self, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1107 |           fn deserialize_float<V>(self, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit_content_seq` is never used
[INFO] [stdout]     --> src/serde_content.rs:1127:8
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     fn visit_content_seq<'de, V, E>(content: Vec<Content<'de>>, visitor: V) -> Result<V::Value, E>
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit_content_map` is never used
[INFO] [stdout]     --> src/serde_content.rs:1138:8
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     fn visit_content_map<'de, V, E>(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1523:16
[INFO] [stdout]      |
[INFO] [stdout] 1521 |     impl<'de, E> ContentDeserializer<'de, E> {
[INFO] [stdout]      |     ---------------------------------------- associated function in this implementation
[INFO] [stdout] 1522 |         /// private API, don't use
[INFO] [stdout] 1523 |         pub fn new(content: Content<'de>) -> Self {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SeqDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1531:12
[INFO] [stdout]      |
[INFO] [stdout] 1531 |     struct SeqDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1538:12
[INFO] [stdout]      |
[INFO] [stdout] 1537 |     impl<'de, E> SeqDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ associated function in this implementation
[INFO] [stdout] 1538 |         fn new(content: Vec<Content<'de>>) -> Self {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `end` is never used
[INFO] [stdout]     --> src/serde_content.rs:1551:12
[INFO] [stdout]      |
[INFO] [stdout] 1547 | /     impl<'de, E> SeqDeserializer<'de, E>
[INFO] [stdout] 1548 | |     where
[INFO] [stdout] 1549 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- method in this implementation
[INFO] [stdout] 1550 |       {
[INFO] [stdout] 1551 |           fn end(self) -> Result<(), E> {
[INFO] [stdout]      |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1624:12
[INFO] [stdout]      |
[INFO] [stdout] 1624 |     struct MapDeserializer<'de, E> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1632:12
[INFO] [stdout]      |
[INFO] [stdout] 1631 |     impl<'de, E> MapDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ associated function in this implementation
[INFO] [stdout] 1632 |         fn new(content: Vec<(Content<'de>, Content<'de>)>) -> Self {
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `end` is never used
[INFO] [stdout]     --> src/serde_content.rs:1646:12
[INFO] [stdout]      |
[INFO] [stdout] 1642 | /     impl<'de, E> MapDeserializer<'de, E>
[INFO] [stdout] 1643 | |     where
[INFO] [stdout] 1644 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- method in this implementation
[INFO] [stdout] 1645 |       {
[INFO] [stdout] 1646 |           fn end(self) -> Result<(), E> {
[INFO] [stdout]      |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_pair` is never used
[INFO] [stdout]     --> src/serde_content.rs:1662:12
[INFO] [stdout]      |
[INFO] [stdout] 1661 |     impl<'de, E> MapDeserializer<'de, E> {
[INFO] [stdout]      |     ------------------------------------ method in this implementation
[INFO] [stdout] 1662 |         fn next_pair(&mut self) -> Option<(Content<'de>, Content<'de>)> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PairDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1790:12
[INFO] [stdout]      |
[INFO] [stdout] 1790 |     struct PairDeserializer<'de, E>(Content<'de>, Content<'de>, PhantomData<E>);
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PairVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1841:12
[INFO] [stdout]      |
[INFO] [stdout] 1841 |     struct PairVisitor<'de, E>(Option<Content<'de>>, Option<Content<'de>>, PhantomData<E>);
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnumDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1885:16
[INFO] [stdout]      |
[INFO] [stdout] 1885 |     pub struct EnumDeserializer<'de, E>
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> src/serde_content.rs:1898:16
[INFO] [stdout]      |
[INFO] [stdout] 1894 | /     impl<'de, E> EnumDeserializer<'de, E>
[INFO] [stdout] 1895 | |     where
[INFO] [stdout] 1896 | |         E: de::Error,
[INFO] [stdout]      | |_____________________- associated function in this implementation
[INFO] [stdout] 1897 |       {
[INFO] [stdout] 1898 |           pub fn new(variant: Content<'de>, value: Option<Content<'de>>) -> EnumDeserializer<'de, E> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariantDeserializer` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:1927:16
[INFO] [stdout]      |
[INFO] [stdout] 1927 |     pub struct VariantDeserializer<'de, E>
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InternallyTaggedUnitVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:2951:16
[INFO] [stdout]      |
[INFO] [stdout] 2951 |     pub struct InternallyTaggedUnitVisitor<'a> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UntaggedUnitVisitor` is never constructed
[INFO] [stdout]     --> src/serde_content.rs:2986:16
[INFO] [stdout]      |
[INFO] [stdout] 2986 |     pub struct UntaggedUnitVisitor<'a> {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "ffb02f5884867b464cbe440cb28b5e6ce6af0a21ca3a4163e6e9178a4ac09afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb02f5884867b464cbe440cb28b5e6ce6af0a21ca3a4163e6e9178a4ac09afc", kill_on_drop: false }`
[INFO] [stdout] ffb02f5884867b464cbe440cb28b5e6ce6af0a21ca3a4163e6e9178a4ac09afc