[INFO] fetching crate alt_serde_derive 1.0.119...
[INFO] testing alt_serde_derive-1.0.119 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate alt_serde_derive 1.0.119 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate alt_serde_derive 1.0.119
[INFO] finished tweaking crates.io crate alt_serde_derive 1.0.119
[INFO] tweaked toml for crates.io crate alt_serde_derive 1.0.119 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alt_serde_derive 1.0.119 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32230ab171bc5328a7f5a906dd1258587579816c22178668f8e580eff5c5f4d0
[INFO] running `Command { std: "docker" "start" "-a" "32230ab171bc5328a7f5a906dd1258587579816c22178668f8e580eff5c5f4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32230ab171bc5328a7f5a906dd1258587579816c22178668f8e580eff5c5f4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32230ab171bc5328a7f5a906dd1258587579816c22178668f8e580eff5c5f4d0", kill_on_drop: false }`
[INFO] [stdout] 32230ab171bc5328a7f5a906dd1258587579816c22178668f8e580eff5c5f4d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0593d7c125f2fd92ec38ce6f5149f08197d42b63ef26e7a1eb3b199628160d7
[INFO] running `Command { std: "docker" "start" "-a" "b0593d7c125f2fd92ec38ce6f5149f08197d42b63ef26e7a1eb3b199628160d7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stdout]   --> src/dummy.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/internals/attr.rs:701:23
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn serde_path(&self) -> Cow<syn::Path> {
[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] 701 |     pub fn serde_path(&self) -> Cow<'_, syn::Path> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/de.rs:3043:13
[INFO] [stdout]      |
[INFO] [stdout] 3043 |     params: &Parameters,
[INFO] [stdout]      |             ^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 3044 | ) -> (
[INFO] [stdout] 3045 |     DeImplGenerics,
[INFO] [stdout]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3046 |     DeTypeGenerics,
[INFO] [stdout]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3047 |     syn::TypeGenerics,
[INFO] [stdout]      |     ----------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3048 |     Option<&syn::WhereClause>,
[INFO] [stdout]      |            ----------------- the lifetimes get resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 3045 ~     DeImplGenerics<'_>,
[INFO] [stdout] 3046 ~     DeTypeGenerics<'_>,
[INFO] [stdout] 3047 ~     syn::TypeGenerics<'_>,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.61s
[INFO] running `Command { std: "docker" "inspect" "b0593d7c125f2fd92ec38ce6f5149f08197d42b63ef26e7a1eb3b199628160d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0593d7c125f2fd92ec38ce6f5149f08197d42b63ef26e7a1eb3b199628160d7", kill_on_drop: false }`
[INFO] [stdout] b0593d7c125f2fd92ec38ce6f5149f08197d42b63ef26e7a1eb3b199628160d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63275938f46227350ba3b465bd22a0cb17182a73004c33a1fcd8021026420f78
[INFO] running `Command { std: "docker" "start" "-a" "63275938f46227350ba3b465bd22a0cb17182a73004c33a1fcd8021026420f78", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stdout]   --> src/dummy.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/internals/attr.rs:701:23
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn serde_path(&self) -> Cow<syn::Path> {
[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] 701 |     pub fn serde_path(&self) -> Cow<'_, syn::Path> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/de.rs:3043:13
[INFO] [stdout]      |
[INFO] [stdout] 3043 |     params: &Parameters,
[INFO] [stdout]      |             ^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 3044 | ) -> (
[INFO] [stdout] 3045 |     DeImplGenerics,
[INFO] [stdout]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3046 |     DeTypeGenerics,
[INFO] [stdout]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3047 |     syn::TypeGenerics,
[INFO] [stdout]      |     ----------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3048 |     Option<&syn::WhereClause>,
[INFO] [stdout]      |            ----------------- the lifetimes get resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 3045 ~     DeImplGenerics<'_>,
[INFO] [stdout] 3046 ~     DeTypeGenerics<'_>,
[INFO] [stdout] 3047 ~     syn::TypeGenerics<'_>,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stdout]   --> src/dummy.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/internals/attr.rs:701:23
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn serde_path(&self) -> Cow<syn::Path> {
[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] 701 |     pub fn serde_path(&self) -> Cow<'_, syn::Path> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/de.rs:3043:13
[INFO] [stdout]      |
[INFO] [stdout] 3043 |     params: &Parameters,
[INFO] [stdout]      |             ^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 3044 | ) -> (
[INFO] [stdout] 3045 |     DeImplGenerics,
[INFO] [stdout]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3046 |     DeTypeGenerics,
[INFO] [stdout]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3047 |     syn::TypeGenerics,
[INFO] [stdout]      |     ----------------- the lifetimes get resolved as `'_`
[INFO] [stdout] 3048 |     Option<&syn::WhereClause>,
[INFO] [stdout]      |            ----------------- the lifetimes get resolved as `'_`
[INFO] [stdout]      |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 3045 ~     DeImplGenerics<'_>,
[INFO] [stdout] 3046 ~     DeTypeGenerics<'_>,
[INFO] [stdout] 3047 ~     syn::TypeGenerics<'_>,
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `Command { std: "docker" "inspect" "63275938f46227350ba3b465bd22a0cb17182a73004c33a1fcd8021026420f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63275938f46227350ba3b465bd22a0cb17182a73004c33a1fcd8021026420f78", kill_on_drop: false }`
[INFO] [stdout] 63275938f46227350ba3b465bd22a0cb17182a73004c33a1fcd8021026420f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11b3b1d5307e8e0af0cf4208526c9a3ab75204d779d692a46ffa242ccefd3bbc
[INFO] running `Command { std: "docker" "start" "-a" "11b3b1d5307e8e0af0cf4208526c9a3ab75204d779d692a46ffa242ccefd3bbc", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unexpected `cfg` condition name: `underscore_consts`
[INFO] [stderr]   --> src/dummy.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let dummy_const = if cfg!(underscore_consts) {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(underscore_consts)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(underscore_consts)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/internals/attr.rs:701:23
[INFO] [stderr]     |
[INFO] [stderr] 701 |     pub fn serde_path(&self) -> Cow<syn::Path> {
[INFO] [stderr]     |                       ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 701 |     pub fn serde_path(&self) -> Cow<'_, syn::Path> {
[INFO] [stderr]     |                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]     --> src/de.rs:3043:13
[INFO] [stderr]      |
[INFO] [stderr] 3043 |     params: &Parameters,
[INFO] [stderr]      |             ^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stderr] 3044 | ) -> (
[INFO] [stderr] 3045 |     DeImplGenerics,
[INFO] [stderr]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stderr] 3046 |     DeTypeGenerics,
[INFO] [stderr]      |     -------------- the lifetimes get resolved as `'_`
[INFO] [stderr] 3047 |     syn::TypeGenerics,
[INFO] [stderr]      |     ----------------- the lifetimes get resolved as `'_`
[INFO] [stderr] 3048 |     Option<&syn::WhereClause>,
[INFO] [stderr]      |            ----------------- the lifetimes get resolved as `'_`
[INFO] [stderr]      |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]      |
[INFO] [stderr] 3045 ~     DeImplGenerics<'_>,
[INFO] [stderr] 3046 ~     DeTypeGenerics<'_>,
[INFO] [stderr] 3047 ~     syn::TypeGenerics<'_>,
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: `alt_serde_derive` (lib) generated 3 warnings
[INFO] [stderr] warning: `alt_serde_derive` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alt_serde_derive-acf56d0c4a26be5a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test internals::case::rename_fields ... ok
[INFO] [stderr]    Doc-tests alt_serde_derive
[INFO] [stdout] test internals::case::rename_variants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_derive`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive::{Serialize, Deserialize};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_derive`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alt_serde_derive::{Serialize, Deserialize};
[INFO] [stdout]   |     ++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "11b3b1d5307e8e0af0cf4208526c9a3ab75204d779d692a46ffa242ccefd3bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b3b1d5307e8e0af0cf4208526c9a3ab75204d779d692a46ffa242ccefd3bbc", kill_on_drop: false }`
[INFO] [stdout] 11b3b1d5307e8e0af0cf4208526c9a3ab75204d779d692a46ffa242ccefd3bbc
