[INFO] fetching crate cyrly 0.1.0...
[INFO] checking cyrly-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cyrly 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cyrly 0.1.0
[INFO] finished tweaking crates.io crate cyrly 0.1.0
[INFO] tweaked toml for crates.io crate cyrly 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cyrly 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14ae72ddbe34cbbf0a1e6de5b34e40fc8a5851016a8a62f7e83b4126e553b33a
[INFO] running `Command { std: "docker" "start" "-a" "14ae72ddbe34cbbf0a1e6de5b34e40fc8a5851016a8a62f7e83b4126e553b33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ae72ddbe34cbbf0a1e6de5b34e40fc8a5851016a8a62f7e83b4126e553b33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ae72ddbe34cbbf0a1e6de5b34e40fc8a5851016a8a62f7e83b4126e553b33a", kill_on_drop: false }`
[INFO] [stdout] 14ae72ddbe34cbbf0a1e6de5b34e40fc8a5851016a8a62f7e83b4126e553b33a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4374d7fd561dcb24a161d86753c39779c4bca763340753808443539aa06d8257
[INFO] running `Command { std: "docker" "start" "-a" "4374d7fd561dcb24a161d86753c39779c4bca763340753808443539aa06d8257", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking cyrly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> {
[INFO] [stdout]     |     --------------------------------------------------------------------------------- move the `impl` block outside of this method `serialize_tuple`
[INFO] [stdout] 354 |         impl<E: Eat> SerializeTuple for CurlySeq<'_, E> {
[INFO] [stdout]     |         ^^^^^^^^^^^^^--------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                      |                  |
[INFO] [stdout]     |                      |                  `CurlySeq` is not local
[INFO] [stdout]     |                      `SerializeTuple` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 374 | /     fn serialize_tuple_struct(
[INFO] [stdout] 375 | |         self,
[INFO] [stdout] 376 | |         _name: &'static str,
[INFO] [stdout] 377 | |         len: usize,
[INFO] [stdout] 378 | |     ) -> Result<Self::SerializeTupleStruct, Self::Error> {
[INFO] [stdout]     | |________________________________________________________- move the `impl` block outside of this method `serialize_tuple_struct`
[INFO] [stdout] 379 |           impl<E: Eat> SerializeTupleStruct for CurlySeq<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^--------------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                        |
[INFO] [stdout]     |                        |                        `CurlySeq` is not local
[INFO] [stdout]     |                        `SerializeTupleStruct` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 399 | /     fn serialize_tuple_variant(
[INFO] [stdout] 400 | |         mut self,
[INFO] [stdout] 401 | |         _name: &'static str,
[INFO] [stdout] 402 | |         _variant_index: u32,
[INFO] [stdout] 403 | |         variant: &'static str,
[INFO] [stdout] 404 | |         len: usize,
[INFO] [stdout] 405 | |     ) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     | |_________________________________________________________- move the `impl` block outside of this method `serialize_tuple_variant`
[INFO] [stdout] 406 |           impl<E: Eat> SerializeTupleVariant for CurlySeq<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^---------------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                         |
[INFO] [stdout]     |                        |                         `CurlySeq` is not local
[INFO] [stdout]     |                        `SerializeTupleVariant` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 427 | /     fn serialize_struct(
[INFO] [stdout] 428 | |         self,
[INFO] [stdout] 429 | |         _name: &'static str,
[INFO] [stdout] 430 | |         len: usize,
[INFO] [stdout] 431 | |     ) -> Result<Self::SerializeStruct, Self::Error> {
[INFO] [stdout]     | |___________________________________________________- move the `impl` block outside of this method `serialize_struct`
[INFO] [stdout] 432 |           impl<E: Eat> SerializeStruct for CurlyMap<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^---------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                   |
[INFO] [stdout]     |                        |                   `CurlyMap` is not local
[INFO] [stdout]     |                        `SerializeStruct` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 458 | /     fn serialize_struct_variant(
[INFO] [stdout] 459 | |         mut self,
[INFO] [stdout] 460 | |         name: &'static str,
[INFO] [stdout] 461 | |         _variant_index: u32,
[INFO] [stdout] 462 | |         variant: &'static str,
[INFO] [stdout] 463 | |         len: usize,
[INFO] [stdout] 464 | |     ) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     | |__________________________________________________________- move the `impl` block outside of this method `serialize_struct_variant`
[INFO] [stdout] 465 |           impl<E: Eat> SerializeStructVariant for CurlyMap<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^----------------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                          |
[INFO] [stdout]     |                        |                          `CurlyMap` is not local
[INFO] [stdout]     |                        `SerializeStructVariant` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> lib.rs:544:19
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn next_level(&mut self) -> CurlySerializer<E> {
[INFO] [stdout]     |                   ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn next_level(&mut self) -> CurlySerializer<'_, E> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> {
[INFO] [stdout]     |     --------------------------------------------------------------------------------- move the `impl` block outside of this method `serialize_tuple`
[INFO] [stdout] 354 |         impl<E: Eat> SerializeTuple for CurlySeq<'_, E> {
[INFO] [stdout]     |         ^^^^^^^^^^^^^--------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                      |                  |
[INFO] [stdout]     |                      |                  `CurlySeq` is not local
[INFO] [stdout]     |                      `SerializeTuple` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 374 | /     fn serialize_tuple_struct(
[INFO] [stdout] 375 | |         self,
[INFO] [stdout] 376 | |         _name: &'static str,
[INFO] [stdout] 377 | |         len: usize,
[INFO] [stdout] 378 | |     ) -> Result<Self::SerializeTupleStruct, Self::Error> {
[INFO] [stdout]     | |________________________________________________________- move the `impl` block outside of this method `serialize_tuple_struct`
[INFO] [stdout] 379 |           impl<E: Eat> SerializeTupleStruct for CurlySeq<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^--------------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                        |
[INFO] [stdout]     |                        |                        `CurlySeq` is not local
[INFO] [stdout]     |                        `SerializeTupleStruct` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 399 | /     fn serialize_tuple_variant(
[INFO] [stdout] 400 | |         mut self,
[INFO] [stdout] 401 | |         _name: &'static str,
[INFO] [stdout] 402 | |         _variant_index: u32,
[INFO] [stdout] 403 | |         variant: &'static str,
[INFO] [stdout] 404 | |         len: usize,
[INFO] [stdout] 405 | |     ) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     | |_________________________________________________________- move the `impl` block outside of this method `serialize_tuple_variant`
[INFO] [stdout] 406 |           impl<E: Eat> SerializeTupleVariant for CurlySeq<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^---------------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                         |
[INFO] [stdout]     |                        |                         `CurlySeq` is not local
[INFO] [stdout]     |                        `SerializeTupleVariant` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 427 | /     fn serialize_struct(
[INFO] [stdout] 428 | |         self,
[INFO] [stdout] 429 | |         _name: &'static str,
[INFO] [stdout] 430 | |         len: usize,
[INFO] [stdout] 431 | |     ) -> Result<Self::SerializeStruct, Self::Error> {
[INFO] [stdout]     | |___________________________________________________- move the `impl` block outside of this method `serialize_struct`
[INFO] [stdout] 432 |           impl<E: Eat> SerializeStruct for CurlyMap<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^---------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                   |
[INFO] [stdout]     |                        |                   `CurlyMap` is not local
[INFO] [stdout]     |                        `SerializeStruct` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> lib.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 458 | /     fn serialize_struct_variant(
[INFO] [stdout] 459 | |         mut self,
[INFO] [stdout] 460 | |         name: &'static str,
[INFO] [stdout] 461 | |         _variant_index: u32,
[INFO] [stdout] 462 | |         variant: &'static str,
[INFO] [stdout] 463 | |         len: usize,
[INFO] [stdout] 464 | |     ) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     | |__________________________________________________________- move the `impl` block outside of this method `serialize_struct_variant`
[INFO] [stdout] 465 |           impl<E: Eat> SerializeStructVariant for CurlyMap<'_, E> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^----------------------^^^^^--------^^^^^^^
[INFO] [stdout]     |                        |                          |
[INFO] [stdout]     |                        |                          `CurlyMap` is not local
[INFO] [stdout]     |                        `SerializeStructVariant` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> lib.rs:544:19
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn next_level(&mut self) -> CurlySerializer<E> {
[INFO] [stdout]     |                   ^^^^^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn next_level(&mut self) -> CurlySerializer<'_, E> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "4374d7fd561dcb24a161d86753c39779c4bca763340753808443539aa06d8257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4374d7fd561dcb24a161d86753c39779c4bca763340753808443539aa06d8257", kill_on_drop: false }`
[INFO] [stdout] 4374d7fd561dcb24a161d86753c39779c4bca763340753808443539aa06d8257