[INFO] fetching crate icon_transaction_serializer 0.1.0...
[INFO] testing icon_transaction_serializer-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate icon_transaction_serializer 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate icon_transaction_serializer 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icon_transaction_serializer 0.1.0
[INFO] finished tweaking crates.io crate icon_transaction_serializer 0.1.0
[INFO] tweaked toml for crates.io crate icon_transaction_serializer 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e73c8b8fb845057f0271d42ff5d86a616a83e72edd9d717670f3e9c643c86c45
[INFO] running `Command { std: "docker" "start" "-a" "e73c8b8fb845057f0271d42ff5d86a616a83e72edd9d717670f3e9c643c86c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73c8b8fb845057f0271d42ff5d86a616a83e72edd9d717670f3e9c643c86c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73c8b8fb845057f0271d42ff5d86a616a83e72edd9d717670f3e9c643c86c45", kill_on_drop: false }`
[INFO] [stdout] e73c8b8fb845057f0271d42ff5d86a616a83e72edd9d717670f3e9c643c86c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161a9d08abf1331162c31c1ab19e6dcb502bdc4196ba96f029c69a9cf97e3ec2
[INFO] running `Command { std: "docker" "start" "-a" "161a9d08abf1331162c31c1ab19e6dcb502bdc4196ba96f029c69a9cf97e3ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling icon_transaction_serializer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:136:36
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "161a9d08abf1331162c31c1ab19e6dcb502bdc4196ba96f029c69a9cf97e3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161a9d08abf1331162c31c1ab19e6dcb502bdc4196ba96f029c69a9cf97e3ec2", kill_on_drop: false }`
[INFO] [stdout] 161a9d08abf1331162c31c1ab19e6dcb502bdc4196ba96f029c69a9cf97e3ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c74b0e6d6e92c8e3443b51dc1bd4d937bfe2e3481bdb7201ec9336c623459c48
[INFO] running `Command { std: "docker" "start" "-a" "c74b0e6d6e92c8e3443b51dc1bd4d937bfe2e3481bdb7201ec9336c623459c48", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:136:36
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling icon_transaction_serializer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:136:36
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "c74b0e6d6e92c8e3443b51dc1bd4d937bfe2e3481bdb7201ec9336c623459c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74b0e6d6e92c8e3443b51dc1bd4d937bfe2e3481bdb7201ec9336c623459c48", kill_on_drop: false }`
[INFO] [stdout] c74b0e6d6e92c8e3443b51dc1bd4d937bfe2e3481bdb7201ec9336c623459c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eea00c67795c87bef44b8f60114b5a137d8a13e797a550c44104e0aac9a12248
[INFO] running `Command { std: "docker" "start" "-a" "eea00c67795c87bef44b8f60114b5a137d8a13e797a550c44104e0aac9a12248", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:136:36
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:176:28
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         len: usize,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:206:28
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         len: usize,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: `icon_transaction_serializer` (lib) generated 16 warnings (run `cargo fix --lib -p icon_transaction_serializer` to apply 16 suggestions)
[INFO] [stderr] warning: `icon_transaction_serializer` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/icon_transaction_serializer-0398ecf557901727)
[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] [stderr]    Doc-tests icon_transaction_serializer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - serialize_string (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - serialize_string (line 31) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `serialize_string` in this scope
[INFO] [stdout]  --> src/lib.rs:32:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("{}", serialize_string(&ExampleStruct { a: 1, b: 2 }).unwrap());
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use icon_transaction_serializer::serialize_string;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `ExampleStruct` in this scope
[INFO] [stdout]  --> src/lib.rs:32:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("{}", serialize_string(&ExampleStruct { a: 1, b: 2 }).unwrap());
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - serialize_string (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "eea00c67795c87bef44b8f60114b5a137d8a13e797a550c44104e0aac9a12248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea00c67795c87bef44b8f60114b5a137d8a13e797a550c44104e0aac9a12248", kill_on_drop: false }`
[INFO] [stdout] eea00c67795c87bef44b8f60114b5a137d8a13e797a550c44104e0aac9a12248
[INFO] testing icon_transaction_serializer-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate icon_transaction_serializer 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate icon_transaction_serializer 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icon_transaction_serializer 0.1.0
[INFO] finished tweaking crates.io crate icon_transaction_serializer 0.1.0
[INFO] tweaked toml for crates.io crate icon_transaction_serializer 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f658f716aa98c5d997679949172078e814b8823fb90aec83524890f5b680bee2
[INFO] running `Command { std: "docker" "start" "-a" "f658f716aa98c5d997679949172078e814b8823fb90aec83524890f5b680bee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f658f716aa98c5d997679949172078e814b8823fb90aec83524890f5b680bee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f658f716aa98c5d997679949172078e814b8823fb90aec83524890f5b680bee2", kill_on_drop: false }`
[INFO] [stdout] f658f716aa98c5d997679949172078e814b8823fb90aec83524890f5b680bee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f8f7084c765e11fcc2d59df75ce4c68557e79a6d1ea1e94dfaf4dbf9ef8fc22
[INFO] running `Command { std: "docker" "start" "-a" "6f8f7084c765e11fcc2d59df75ce4c68557e79a6d1ea1e94dfaf4dbf9ef8fc22", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling icon_transaction_serializer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:136:36
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "6f8f7084c765e11fcc2d59df75ce4c68557e79a6d1ea1e94dfaf4dbf9ef8fc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8f7084c765e11fcc2d59df75ce4c68557e79a6d1ea1e94dfaf4dbf9ef8fc22", kill_on_drop: false }`
[INFO] [stdout] 6f8f7084c765e11fcc2d59df75ce4c68557e79a6d1ea1e94dfaf4dbf9ef8fc22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e120716187106cdbb600a7314d70870c0bd15c973ad50d2904a93217ea1511
[INFO] running `Command { std: "docker" "start" "-a" "20e120716187106cdbb600a7314d70870c0bd15c973ad50d2904a93217ea1511", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:136:36
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling icon_transaction_serializer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:136:36
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         name: &'static str,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         variant_index: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "20e120716187106cdbb600a7314d70870c0bd15c973ad50d2904a93217ea1511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e120716187106cdbb600a7314d70870c0bd15c973ad50d2904a93217ea1511", kill_on_drop: false }`
[INFO] [stdout] 20e120716187106cdbb600a7314d70870c0bd15c973ad50d2904a93217ea1511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c626f8a6cd4ea072af086cbbc3dd9a56001c936257590b6df1515086ea27d035
[INFO] running `Command { std: "docker" "start" "-a" "c626f8a6cd4ea072af086cbbc3dd9a56001c936257590b6df1515086ea27d035", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:136:36
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:176:28
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         len: usize,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:206:28
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         name: &'static str,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variant_index`
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         variant_index: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/lib.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         len: usize,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: `icon_transaction_serializer` (lib) generated 16 warnings (run `cargo fix --lib -p icon_transaction_serializer` to apply 16 suggestions)
[INFO] [stderr] warning: `icon_transaction_serializer` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/icon_transaction_serializer-d8981c8f02f0c364)
[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] [stderr]    Doc-tests icon_transaction_serializer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - serialize_string (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - serialize_string (line 31) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `serialize_string` in this scope
[INFO] [stdout]  --> src/lib.rs:32:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("{}", serialize_string(&ExampleStruct { a: 1, b: 2 }).unwrap());
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use icon_transaction_serializer::serialize_string;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `ExampleStruct` in this scope
[INFO] [stdout]  --> src/lib.rs:32:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("{}", serialize_string(&ExampleStruct { a: 1, b: 2 }).unwrap());
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - serialize_string (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c626f8a6cd4ea072af086cbbc3dd9a56001c936257590b6df1515086ea27d035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c626f8a6cd4ea072af086cbbc3dd9a56001c936257590b6df1515086ea27d035", kill_on_drop: false }`
[INFO] [stdout] c626f8a6cd4ea072af086cbbc3dd9a56001c936257590b6df1515086ea27d035
