[INFO] fetching crate serde-bindgen-core-derive 0.1.12...
[INFO] testing serde-bindgen-core-derive-0.1.12 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate serde-bindgen-core-derive 0.1.12 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde-bindgen-core-derive 0.1.12
[INFO] finished tweaking crates.io crate serde-bindgen-core-derive 0.1.12
[INFO] tweaked toml for crates.io crate serde-bindgen-core-derive 0.1.12 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-bindgen-core-derive 0.1.12 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5feea6444c3d724dbc6f5718b9fb65a530b0d52e8feadeaa6abcad1ed6e43ce1
[INFO] running `Command { std: "docker" "start" "-a" "5feea6444c3d724dbc6f5718b9fb65a530b0d52e8feadeaa6abcad1ed6e43ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5feea6444c3d724dbc6f5718b9fb65a530b0d52e8feadeaa6abcad1ed6e43ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5feea6444c3d724dbc6f5718b9fb65a530b0d52e8feadeaa6abcad1ed6e43ce1", kill_on_drop: false }`
[INFO] [stdout] 5feea6444c3d724dbc6f5718b9fb65a530b0d52e8feadeaa6abcad1ed6e43ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16670f56bd1aa5aa89b85c0755e71c13dcf8e440a2576c5f6380741d1d634841
[INFO] running `Command { std: "docker" "start" "-a" "16670f56bd1aa5aa89b85c0755e71c13dcf8e440a2576c5f6380741d1d634841", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde-bindgen-core-derive v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/attributes.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ContainerAttribute {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 36 |     pub ident: Ident,
[INFO] [stdout] 37 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerAttribute` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/attributes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(TokenStream),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 199 -     Ignore(TokenStream),
[INFO] [stdout] 199 +     Ignore(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn impl_default(&self) -> ImplDefault {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn impl_default(&self) -> ImplDefault<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn impl_weight(&self) -> ImplWeight {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn impl_weight(&self) -> ImplWeight<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/path.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 128 |     ) -> (
[INFO] [stdout] 129 |         Option<ImplGenerics>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 130 |         Option<TypeGenerics>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 131 |         Option<&WhereClause>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 129 ~         Option<ImplGenerics<'_>>,
[INFO] [stdout] 130 ~         Option<TypeGenerics<'_>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "16670f56bd1aa5aa89b85c0755e71c13dcf8e440a2576c5f6380741d1d634841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16670f56bd1aa5aa89b85c0755e71c13dcf8e440a2576c5f6380741d1d634841", kill_on_drop: false }`
[INFO] [stdout] 16670f56bd1aa5aa89b85c0755e71c13dcf8e440a2576c5f6380741d1d634841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a53ffb169fd0ca37da2a5658a077a15abd0bfc2a87ee2cbab50f21c7bd6e47b
[INFO] running `Command { std: "docker" "start" "-a" "1a53ffb169fd0ca37da2a5658a077a15abd0bfc2a87ee2cbab50f21c7bd6e47b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-bindgen-core-derive v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/attributes.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ContainerAttribute {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 36 |     pub ident: Ident,
[INFO] [stdout] 37 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerAttribute` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/attributes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(TokenStream),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 199 -     Ignore(TokenStream),
[INFO] [stdout] 199 +     Ignore(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn impl_default(&self) -> ImplDefault {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn impl_default(&self) -> ImplDefault<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn impl_weight(&self) -> ImplWeight {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn impl_weight(&self) -> ImplWeight<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/path.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 128 |     ) -> (
[INFO] [stdout] 129 |         Option<ImplGenerics>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 130 |         Option<TypeGenerics>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 131 |         Option<&WhereClause>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 129 ~         Option<ImplGenerics<'_>>,
[INFO] [stdout] 130 ~         Option<TypeGenerics<'_>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/attributes.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ContainerAttribute {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 36 |     pub ident: Ident,
[INFO] [stdout] 37 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerAttribute` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/attributes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(TokenStream),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 199 -     Ignore(TokenStream),
[INFO] [stdout] 199 +     Ignore(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned {
[INFO] [stdout]    |                            ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned<'_> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/context.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn impl_default(&self) -> ImplDefault {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn impl_default(&self) -> ImplDefault<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn impl_weight(&self) -> ImplWeight {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn impl_weight(&self) -> ImplWeight<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/path.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 128 |     ) -> (
[INFO] [stdout] 129 |         Option<ImplGenerics>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 130 |         Option<TypeGenerics>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 131 |         Option<&WhereClause>,
[INFO] [stdout]     |                ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 129 ~         Option<ImplGenerics<'_>>,
[INFO] [stdout] 130 ~         Option<TypeGenerics<'_>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "1a53ffb169fd0ca37da2a5658a077a15abd0bfc2a87ee2cbab50f21c7bd6e47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a53ffb169fd0ca37da2a5658a077a15abd0bfc2a87ee2cbab50f21c7bd6e47b", kill_on_drop: false }`
[INFO] [stdout] 1a53ffb169fd0ca37da2a5658a077a15abd0bfc2a87ee2cbab50f21c7bd6e47b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c3bb2f6db06fc57a37e3943923a0d346101b4f0d887a6cc08c62a7dc2efc097
[INFO] running `Command { std: "docker" "start" "-a" "6c3bb2f6db06fc57a37e3943923a0d346101b4f0d887a6cc08c62a7dc2efc097", kill_on_drop: false }`
[INFO] [stderr] warning: field `eq` is never read
[INFO] [stderr]   --> src/attributes.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct ContainerAttribute {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] 36 |     pub ident: Ident,
[INFO] [stderr] 37 |     pub eq: Token![=],
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ContainerAttribute` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/attributes.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 199 |     Ignore(TokenStream),
[INFO] [stderr]     |     ------ ^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 199 -     Ignore(TokenStream),
[INFO] [stderr] 199 +     Ignore(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/context.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned {
[INFO] [stderr]    |                            ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn impl_from_owned(&self) -> ImplFromOwned<'_> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/context.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef {
[INFO] [stderr]    |                          ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn impl_from_ref(&self) -> ImplFromRef<'_> {
[INFO] [stderr]    |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/context.rs:97:25
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn impl_default(&self) -> ImplDefault {
[INFO] [stderr]    |                         ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn impl_default(&self) -> ImplDefault<'_> {
[INFO] [stderr]    |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/context.rs:101:24
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn impl_weight(&self) -> ImplWeight {
[INFO] [stderr]     |                        ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn impl_weight(&self) -> ImplWeight<'_> {
[INFO] [stderr]     |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/path.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         &self,
[INFO] [stderr]     |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 128 |     ) -> (
[INFO] [stderr] 129 |         Option<ImplGenerics>,
[INFO] [stderr]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr] 130 |         Option<TypeGenerics>,
[INFO] [stderr]     |                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr] 131 |         Option<&WhereClause>,
[INFO] [stderr]     |                ^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 129 ~         Option<ImplGenerics<'_>>,
[INFO] [stderr] 130 ~         Option<TypeGenerics<'_>>,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-bindgen-core-derive` (lib) generated 7 warnings (run `cargo fix --lib -p serde-bindgen-core-derive` to apply 5 suggestions)
[INFO] [stderr] warning: `serde-bindgen-core-derive` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_bindgen_core_derive-df2108c905f84365)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test tests::attribute::can_peek_is_not_array ... ok
[INFO] [stdout] test tests::can_binding_copy_snake_case ... ok
[INFO] [stdout] test tests::can_binding_copy ... ok
[INFO] [stdout] test tests::can_binding_default_no_prefix ... ok
[INFO] [stdout] test tests::can_binding_print_snake_case ... ok
[INFO] [stdout] test tests::can_as_owned ... ok
[INFO] [stdout] test tests::can_binding_default ... ok
[INFO] [stdout] test tests::can_binding_parse ... ok
[INFO] [stdout] test tests::can_impl_default ... ok
[INFO] [stdout] test tests::can_binding_print ... ok
[INFO] [stdout] test tests::can_parse_struct ... ok
[INFO] [stdout] test tests::attribute::can_peek_is_array ... ok
[INFO] [stdout] test tests::can_to_tokens_struct ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_array_prim ... ok
[INFO] [stdout] test tests::can_impl_from ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_array_struct ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_nested_struct ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_array_prim_recursive ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_bool ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_ref_str ... ok
[INFO] [stdout] test tests::field::can_assignment_tokens_int ... ok
[INFO] [stdout] test tests::field::can_from_owned_tokens_array_prim ... ok
[INFO] [stdout] test tests::field::can_from_owned_tokens_bool ... ok
[INFO] [stdout] test tests::field::can_from_owned_tokens_int ... ok
[INFO] [stdout] test tests::field::can_from_owned_tokens_array_struct ... ok
[INFO] [stdout] test tests::field::can_from_owned_tokens_ref_str ... ok
[INFO] [stdout] test tests::field::can_from_owned_tokens_nested_struct ... ok
[INFO] [stdout] test tests::field::can_parse_field_opt_bool_false ... ok
[INFO] [stdout] test tests::field::can_parse_field_opt_bool_true ... ok
[INFO] [stdout] test tests::field::can_parse_field_opt_int ... ok
[INFO] [stdout] test tests::field::can_parse_field_opt_str ... ok
[INFO] [stdout] test tests::field::can_to_tokens_field_prim ... ok
[INFO] [stdout] test tests::field::can_to_tokens_field_type_array_prim ... ok
[INFO] [stdout] test tests::field::can_to_tokens_field_type_array_struct ... ok
[INFO] [stdout] test tests::field::can_to_tokens_field_type_ref ... ok
[INFO] [stdout] test tests::field::can_to_tokens_for_field_array ... ok
[INFO] [stdout] test tests::field::can_to_tokens_for_field_array_with_ignors ... ok
[INFO] [stdout] test tests::field::can_to_tokens_for_field_nested_struct ... ok
[INFO] [stdout] test tests::field::can_to_tokens_for_field_ref_str ... ok
[INFO] [stdout] test tests::path::can_parse_path_named_leading_colon ... ok
[INFO] [stdout] test tests::path::can_parse_path_named_segmented_with_generics ... ok
[INFO] [stdout] test tests::path::can_parse_path_named_single_ident ... ok
[INFO] [stdout] test tests::path::can_parse_path_named_with_generics ... ok
[INFO] [stdout] test tests::path::can_to_tokens_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_bindgen_core_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c3bb2f6db06fc57a37e3943923a0d346101b4f0d887a6cc08c62a7dc2efc097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3bb2f6db06fc57a37e3943923a0d346101b4f0d887a6cc08c62a7dc2efc097", kill_on_drop: false }`
[INFO] [stdout] 6c3bb2f6db06fc57a37e3943923a0d346101b4f0d887a6cc08c62a7dc2efc097
