[INFO] fetching crate mail-template 0.6.1...
[INFO] testing mail-template-0.6.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate mail-template 0.6.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mail-template 0.6.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mail-template 0.6.1
[INFO] finished tweaking crates.io crate mail-template 0.6.1
[INFO] tweaked toml for crates.io crate mail-template 0.6.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c164cab5007bc858e0b7790663699aef604ea72827ef79d1033d98f7a14c9ad1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c164cab5007bc858e0b7790663699aef604ea72827ef79d1033d98f7a14c9ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c164cab5007bc858e0b7790663699aef604ea72827ef79d1033d98f7a14c9ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c164cab5007bc858e0b7790663699aef604ea72827ef79d1033d98f7a14c9ad1", kill_on_drop: false }`
[INFO] [stdout] c164cab5007bc858e0b7790663699aef604ea72827ef79d1033d98f7a14c9ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55014d1938422abb471e343dcac45c3b8ab5bf15a8919c0d5dbaa961a0da570e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55014d1938422abb471e343dcac45c3b8ab5bf15a8919c0d5dbaa961a0da570e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quoted-string v0.6.1
[INFO] [stderr]    Compiling vec-drain-where v1.0.1
[INFO] [stderr]    Compiling quoted_printable v0.4.2
[INFO] [stderr]    Compiling checked_command v0.2.2
[INFO] [stderr]    Compiling soft-ascii-string v1.1.0
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling lut v0.1.0-unstable
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling vec1 v1.6.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling total-order-multi-map v0.4.6
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling media-type v0.4.0-unstable
[INFO] [stderr]    Compiling mail-internals v0.2.3
[INFO] [stderr]    Compiling mail-headers v0.6.6
[INFO] [stderr]    Compiling mail-core v0.6.2
[INFO] [stderr]    Compiling mail-template v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mem::replace(self, new_path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         mem::replace(self, new_path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         mem::replace(self, new_iri);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/path_rebase.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         mem::replace(self, new_iri);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/serde_impl.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     mem::replace(&mut body.inline_embeddings, loaded_embeddings);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.90s
[INFO] running `Command { std: "docker" "inspect" "55014d1938422abb471e343dcac45c3b8ab5bf15a8919c0d5dbaa961a0da570e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55014d1938422abb471e343dcac45c3b8ab5bf15a8919c0d5dbaa961a0da570e", kill_on_drop: false }`
[INFO] [stdout] 55014d1938422abb471e343dcac45c3b8ab5bf15a8919c0d5dbaa961a0da570e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b465609944d2e3dfce79266a315c66f9b8e276d28c03346549db167b7aaa92a
[INFO] running `Command { std: "docker" "start" "-a" "7b465609944d2e3dfce79266a315c66f9b8e276d28c03346549db167b7aaa92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mail-template v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mem::replace(self, new_path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         mem::replace(self, new_path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         mem::replace(self, new_iri);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/path_rebase.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         mem::replace(self, new_iri);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/serde_impl.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     mem::replace(&mut body.inline_embeddings, loaded_embeddings);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mem::replace(self, new_path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         mem::replace(self, new_path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/path_rebase.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         mem::replace(self, new_iri);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/path_rebase.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         mem::replace(self, new_iri);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/serde_impl.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                     mem::replace(&mut body.inline_embeddings, loaded_embeddings);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "7b465609944d2e3dfce79266a315c66f9b8e276d28c03346549db167b7aaa92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b465609944d2e3dfce79266a315c66f9b8e276d28c03346549db167b7aaa92a", kill_on_drop: false }`
[INFO] [stdout] 7b465609944d2e3dfce79266a315c66f9b8e276d28c03346549db167b7aaa92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 865c2f1c362c3881a9260227c3929f4be0b886554e5113cbf2d4dd340fc45ffd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "865c2f1c362c3881a9260227c3929f4be0b886554e5113cbf2d4dd340fc45ffd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/path_rebase.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         mem::replace(self, new_path);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/path_rebase.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         mem::replace(self, new_path);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/path_rebase.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         mem::replace(self, new_iri);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/path_rebase.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         mem::replace(self, new_iri);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/serde_impl.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     mem::replace(&mut body.inline_embeddings, loaded_embeddings);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/path_rebase.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         mem::replace(self, new_path);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/path_rebase.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         mem::replace(self, new_path);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/path_rebase.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         mem::replace(self, new_iri);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/path_rebase.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         mem::replace(self, new_iri);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/serde_impl.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     mem::replace(&mut body.inline_embeddings, loaded_embeddings);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mail_template-62445ba277210731
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test path_rebase::test::rebase_on_path ... ok
[INFO] [stdout] test base_dir::tests::from_path_prefixes_with_cwd ... ok
[INFO] [stdout] test base_dir::tests::from_path_does_not_affect_absolute_paths ... ok
[INFO] [stdout] test base_dir::tests::to_base_path_removes_cwd_prefix ... ok
[INFO] [stdout] test path_rebase::test::rebase_on_iri ... ok
[INFO] [stdout] test path_rebase::test::rebase_on_resource ... ok
[INFO] [stdout] test serde_impl::test::StandardLazyBodyTemplate::should_deserialize_from_object_with_empty_embeddings ... ok
[INFO] [stdout] test serde_impl::test::StandardLazyBodyTemplate::should_deserialize_from_object_without_embeddings ... ok
[INFO] [stdout] test serde_impl::test::StandardLazyBodyTemplate::should_deserialize_from_string ... ok
[INFO] [stdout] test serde_impl::test::StandardLazyBodyTemplate::should_deserialize_from_object_with_short_from_embeddings ... ok
[INFO] [stdout] test serde_impl::test::attachment_deserialization::should_deserialize_from_sources ... ok
[INFO] [stdout] test serde_impl::test::attachment_deserialization::check_if_data_is_deserializable_like_expected ... ok
[INFO] [stdout] test serde_impl::test::attachment_deserialization::should_deserialize_from_data ... ok
[INFO] [stdout] test serde_impl::test::attachment_deserialization::should_deserialize_from_strings ... ok
[INFO] [stdout] test serde_impl::test::embedding_deserialization::should_deserialize_with_short_forms ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mail-template
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "865c2f1c362c3881a9260227c3929f4be0b886554e5113cbf2d4dd340fc45ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865c2f1c362c3881a9260227c3929f4be0b886554e5113cbf2d4dd340fc45ffd", kill_on_drop: false }`
[INFO] [stdout] 865c2f1c362c3881a9260227c3929f4be0b886554e5113cbf2d4dd340fc45ffd
