[INFO] fetching crate mail-template 0.6.1...
[INFO] checking mail-template-0.6.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate mail-template 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mail-template 0.6.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", 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] 3eb02299e37e3493c8855666ecfd3e29fc4079da04dcc6cdbb8a46c504cc5886
[INFO] running `Command { std: "docker" "start" "-a" "3eb02299e37e3493c8855666ecfd3e29fc4079da04dcc6cdbb8a46c504cc5886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb02299e37e3493c8855666ecfd3e29fc4079da04dcc6cdbb8a46c504cc5886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb02299e37e3493c8855666ecfd3e29fc4079da04dcc6cdbb8a46c504cc5886", kill_on_drop: false }`
[INFO] [stdout] 3eb02299e37e3493c8855666ecfd3e29fc4079da04dcc6cdbb8a46c504cc5886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f01021c4a38d015b240e36c19e4c167372a0d6576b8d1c3de4cb6c4f4306198
[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" "9f01021c4a38d015b240e36c19e4c167372a0d6576b8d1c3de4cb6c4f4306198", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling checked_command v0.2.2
[INFO] [stderr]     Checking vec-drain-where v1.0.1
[INFO] [stderr]     Checking soft-ascii-string v1.1.0
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking lut v0.1.0-unstable
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking total-order-multi-map v0.4.6
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking media-type v0.4.0-unstable
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking vec1 v1.6.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking mail-internals v0.2.3
[INFO] [stderr]     Checking mail-headers v0.6.6
[INFO] [stderr]     Checking mail-core v0.6.2
[INFO] [stderr]     Checking 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 dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "9f01021c4a38d015b240e36c19e4c167372a0d6576b8d1c3de4cb6c4f4306198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f01021c4a38d015b240e36c19e4c167372a0d6576b8d1c3de4cb6c4f4306198", kill_on_drop: false }`
[INFO] [stdout] 9f01021c4a38d015b240e36c19e4c167372a0d6576b8d1c3de4cb6c4f4306198