[INFO] fetching crate palette_derive 0.7.6...
[INFO] building palette_derive-0.7.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate palette_derive 0.7.6 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate palette_derive 0.7.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded find-crate v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1128baafbe9c9ef081e9bc5bd495bb75cc248c48c7d6d4cf00f7f8bc838838f7
[INFO] running `Command { std: "docker" "start" "-a" "1128baafbe9c9ef081e9bc5bd495bb75cc248c48c7d6d4cf00f7f8bc838838f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1128baafbe9c9ef081e9bc5bd495bb75cc248c48c7d6d4cf00f7f8bc838838f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1128baafbe9c9ef081e9bc5bd495bb75cc248c48c7d6d4cf00f7f8bc838838f7", kill_on_drop: false }`
[INFO] [stdout] 1128baafbe9c9ef081e9bc5bd495bb75cc248c48c7d6d4cf00f7f8bc838838f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dae1229f853f2c1ccf1702a0f5a2ef98cbec4b582fd427782df0b0385f145a19
[INFO] running `Command { std: "docker" "start" "-a" "dae1229f853f2c1ccf1702a0f5a2ef98cbec4b582fd427782df0b0385f145a19", 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 4.51s
[INFO] running `Command { std: "docker" "inspect" "dae1229f853f2c1ccf1702a0f5a2ef98cbec4b582fd427782df0b0385f145a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae1229f853f2c1ccf1702a0f5a2ef98cbec4b582fd427782df0b0385f145a19", kill_on_drop: false }`
[INFO] [stdout] dae1229f853f2c1ccf1702a0f5a2ef98cbec4b582fd427782df0b0385f145a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 577fcafee361c8e1beda54e7aeef7a3cbb30c55cbe0dbca08c9426cc8fd61020
[INFO] running `Command { std: "docker" "start" "-a" "577fcafee361c8e1beda54e7aeef7a3cbb30c55cbe0dbca08c9426cc8fd61020", 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 1.11s
[INFO] running `Command { std: "docker" "inspect" "577fcafee361c8e1beda54e7aeef7a3cbb30c55cbe0dbca08c9426cc8fd61020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577fcafee361c8e1beda54e7aeef7a3cbb30c55cbe0dbca08c9426cc8fd61020", kill_on_drop: false }`
[INFO] [stdout] 577fcafee361c8e1beda54e7aeef7a3cbb30c55cbe0dbca08c9426cc8fd61020