[INFO] fetching crate palette_derive 0.7.6...
[INFO] testing palette_derive-0.7.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate palette_derive 0.7.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate palette_derive 0.7.6
[INFO] finished tweaking crates.io crate palette_derive 0.7.6
[INFO] tweaked toml for crates.io crate palette_derive 0.7.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate palette_derive 0.7.6 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4be59cbef8e6df9ad18cb5d3e12e1da24e6535b0ef71e215d870e0cf178187c
[INFO] running `Command { std: "docker" "start" "-a" "e4be59cbef8e6df9ad18cb5d3e12e1da24e6535b0ef71e215d870e0cf178187c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4be59cbef8e6df9ad18cb5d3e12e1da24e6535b0ef71e215d870e0cf178187c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4be59cbef8e6df9ad18cb5d3e12e1da24e6535b0ef71e215d870e0cf178187c", kill_on_drop: false }`
[INFO] [stdout] e4be59cbef8e6df9ad18cb5d3e12e1da24e6535b0ef71e215d870e0cf178187c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50950bd9084248f321eef1ca476b226ca0f77c0be42599dd17dbf474902acbf6
[INFO] running `Command { std: "docker" "start" "-a" "50950bd9084248f321eef1ca476b226ca0f77c0be42599dd17dbf474902acbf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling palette_derive v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `KeyValuePair` is never constructed
[INFO] [stdout]    --> src/meta/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct KeyValuePair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "50950bd9084248f321eef1ca476b226ca0f77c0be42599dd17dbf474902acbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50950bd9084248f321eef1ca476b226ca0f77c0be42599dd17dbf474902acbf6", kill_on_drop: false }`
[INFO] [stdout] 50950bd9084248f321eef1ca476b226ca0f77c0be42599dd17dbf474902acbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7191244f1750715eb6522a29aa6e2835d3133635883ff330ef6e61fc457923b
[INFO] running `Command { std: "docker" "start" "-a" "d7191244f1750715eb6522a29aa6e2835d3133635883ff330ef6e61fc457923b", kill_on_drop: false }`
[INFO] [stderr]    Compiling palette_derive v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `KeyValuePair` is never constructed
[INFO] [stdout]    --> src/meta/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct KeyValuePair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValuePair` is never constructed
[INFO] [stdout]    --> src/meta/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct KeyValuePair {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "d7191244f1750715eb6522a29aa6e2835d3133635883ff330ef6e61fc457923b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7191244f1750715eb6522a29aa6e2835d3133635883ff330ef6e61fc457923b", kill_on_drop: false }`
[INFO] [stdout] d7191244f1750715eb6522a29aa6e2835d3133635883ff330ef6e61fc457923b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ada2c8a38c8e5f71afe04402afb9301c39a3d94e09e8fc9ba140ba4a94c0943
[INFO] running `Command { std: "docker" "start" "-a" "6ada2c8a38c8e5f71afe04402afb9301c39a3d94e09e8fc9ba140ba4a94c0943", kill_on_drop: false }`
[INFO] [stderr] warning: struct `KeyValuePair` is never constructed
[INFO] [stderr]    --> src/meta/mod.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub struct KeyValuePair {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `palette_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `palette_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/palette_derive-5ca244ba0d6ba69b)
[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 palette_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ada2c8a38c8e5f71afe04402afb9301c39a3d94e09e8fc9ba140ba4a94c0943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ada2c8a38c8e5f71afe04402afb9301c39a3d94e09e8fc9ba140ba4a94c0943", kill_on_drop: false }`
[INFO] [stdout] 6ada2c8a38c8e5f71afe04402afb9301c39a3d94e09e8fc9ba140ba4a94c0943