[INFO] fetching crate ai-descriptor-derive 0.6.0...
[INFO] checking ai-descriptor-derive-0.6.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-2
[INFO] extracting crate ai-descriptor-derive 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ai-descriptor-derive 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ai-descriptor-derive 0.6.0
[INFO] tweaked toml for crates.io crate ai-descriptor-derive 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ai-descriptor-derive 0.6.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ai-descriptor-derive 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 068287e8878e9155b963b03f702c22523dccd065207bdb2101e688d6d858d72c
[INFO] running `Command { std: "docker" "start" "-a" "068287e8878e9155b963b03f702c22523dccd065207bdb2101e688d6d858d72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068287e8878e9155b963b03f702c22523dccd065207bdb2101e688d6d858d72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068287e8878e9155b963b03f702c22523dccd065207bdb2101e688d6d858d72c", kill_on_drop: false }`
[INFO] [stdout] 068287e8878e9155b963b03f702c22523dccd065207bdb2101e688d6d858d72c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed12238d42855991925dbcb4000d55e751f480fe62ffed8c0fe372275d75059
[INFO] running `Command { std: "docker" "start" "-a" "7ed12238d42855991925dbcb4000d55e751f480fe62ffed8c0fe372275d75059", kill_on_drop: false }`
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[INFO] [stderr]     Checking ai-descriptor-derive v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fields_unnamed`
[INFO] [stdout]    --> src/item_with_features.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let fields_unnamed = match &variant.fields {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields_unnamed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_ident`
[INFO] [stdout]    --> src/item_with_features.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 variant_ident: &syn::Ident,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stderr]    Compiling traced-test v1.0.4
[INFO] [stdout] warning: unused variable: `fields_unnamed`
[INFO] [stdout]    --> src/item_with_features.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let fields_unnamed = match &variant.fields {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields_unnamed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_ident`
[INFO] [stdout]    --> src/item_with_features.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 variant_ident: &syn::Ident,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields_unnamed`
[INFO] [stdout]    --> src/item_with_features.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let fields_unnamed = match &variant.fields {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields_unnamed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_ident`
[INFO] [stdout]    --> src/item_with_features.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 variant_ident: &syn::Ident,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "7ed12238d42855991925dbcb4000d55e751f480fe62ffed8c0fe372275d75059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed12238d42855991925dbcb4000d55e751f480fe62ffed8c0fe372275d75059", kill_on_drop: false }`
[INFO] [stdout] 7ed12238d42855991925dbcb4000d55e751f480fe62ffed8c0fe372275d75059