[INFO] fetching crate pink-erased-serde 0.3.23...
[INFO] checking pink-erased-serde-0.3.23 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate pink-erased-serde 0.3.23 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate pink-erased-serde 0.3.23 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pink-erased-serde 0.3.23
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pink-erased-serde 0.3.23
[INFO] tweaked toml for crates.io crate pink-erased-serde 0.3.23 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6913caeb69e554b3356413c65f5392c497d3298db66a3d531bc4af9030b2fc0c
[INFO] running `Command { std: "docker" "start" "-a" "6913caeb69e554b3356413c65f5392c497d3298db66a3d531bc4af9030b2fc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6913caeb69e554b3356413c65f5392c497d3298db66a3d531bc4af9030b2fc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6913caeb69e554b3356413c65f5392c497d3298db66a3d531bc4af9030b2fc0c", kill_on_drop: false }`
[INFO] [stdout] 6913caeb69e554b3356413c65f5392c497d3298db66a3d531bc4af9030b2fc0c
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3dc4cc53c55cdbac530df329d2dd4c8e0466cceba90d2ff8d1bc9992a9f8771
[INFO] running `Command { std: "docker" "start" "-a" "e3dc4cc53c55cdbac530df329d2dd4c8e0466cceba90d2ff8d1bc9992a9f8771", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.80
[INFO] [stderr]    Compiling pink-erased-serde v0.3.23 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking dissimilar v1.0.6
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking basic-toml v0.1.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 951 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de>>);
[INFO] [stdout]     | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 951 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de>>);
[INFO] [stdout]     | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 952 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 952 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 953 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Sync>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 953 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Sync>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 954 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send + Sync>);
[INFO] [stdout]     | ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 954 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send + Sync>);
[INFO] [stdout]     | ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/de.rs:1036:27
[INFO] [stdout]      |
[INFO] [stdout] 1036 |     fn visit_f32<E>(self, v: f32) -> Result<Out, E>
[INFO] [stdout]      |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/de.rs:1043:27
[INFO] [stdout]      |
[INFO] [stdout] 1043 |     fn visit_f64<E>(self, v: f64) -> Result<Out, E>
[INFO] [stdout]      |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `erased_serde`
[INFO] [stdout]  --> tests/traitobject.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use erased_serde::serialize_trait_object;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `erased_serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `erased_serde`
[INFO] [stdout]  --> tests/readme.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use erased_serde::{Deserializer, Serialize, Serializer};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `erased_serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `serialize_trait_object`
[INFO] [stdout]  --> tests/traitobject.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | serialize_trait_object!(<'a, T> MyGenericTrait<'a, T>);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `serialize_trait_object`
[INFO] [stdout]  --> tests/traitobject.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | serialize_trait_object!(MyTrait);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `erased_serde`
[INFO] [stdout]   --> tests/readme.rs:54:36
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let data: Map<String, usize> = erased_serde::deserialize(format).unwrap();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ use of undeclared crate or module `erased_serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `erased_serde`
[INFO] [stdout]  --> tests/traitobject.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MyTrait: erased_serde::Serialize {}
[INFO] [stdout]   |                    ^^^^^^^^^^^^ use of undeclared crate or module `erased_serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `erased_serde`
[INFO] [stdout]  --> tests/traitobject.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait MyGenericTrait<'a, T>: erased_serde::Serialize {}
[INFO] [stdout]   |                                  ^^^^^^^^^^^^ use of undeclared crate or module `erased_serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pink-erased-serde` (test "test") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pink-erased-serde` (test "traitobject") due to 6 previous errors
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 951 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de>>);
[INFO] [stdout]     | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 951 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de>>);
[INFO] [stdout]     | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 952 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 952 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 953 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Sync>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 953 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Sync>);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:845:44
[INFO] [stdout]     |
[INFO] [stdout] 845 |             fn deserialize_f32<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 954 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send + Sync>);
[INFO] [stdout]     | ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:850:44
[INFO] [stdout]     |
[INFO] [stdout] 850 |             fn deserialize_f64<V>($($mut)* self, _visitor: V) -> Result<V::Value, Error> where V: serde::de::Visitor<'de> {
[INFO] [stdout]     |                                            ^^^^ help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 954 | impl_deserializer_for_trait_object!({'de} {mut} Box<dyn Deserializer<'de> + Send + Sync>);
[INFO] [stdout]     | ----------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_deserializer_for_trait_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/de.rs:1036:27
[INFO] [stdout]      |
[INFO] [stdout] 1036 |     fn visit_f32<E>(self, v: f32) -> Result<Out, E>
[INFO] [stdout]      |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/de.rs:1043:27
[INFO] [stdout]      |
[INFO] [stdout] 1043 |     fn visit_f64<E>(self, v: f64) -> Result<Out, E>
[INFO] [stdout]      |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3dc4cc53c55cdbac530df329d2dd4c8e0466cceba90d2ff8d1bc9992a9f8771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dc4cc53c55cdbac530df329d2dd4c8e0466cceba90d2ff8d1bc9992a9f8771", kill_on_drop: false }`
[INFO] [stdout] e3dc4cc53c55cdbac530df329d2dd4c8e0466cceba90d2ff8d1bc9992a9f8771
