[INFO] updating cached repository https://github.com/Dreamfools/scrapcore_serialization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
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[INFO] [stdout] 75b664c2f6d97c3fd85f900ff108a8b04000b262
[INFO] checking Dreamfools/scrapcore_serialization/75b664c2f6d97c3fd85f900ff108a8b04000b262 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreamfools%2Fscrapcore_serialization" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dreamfools/scrapcore_serialization on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dreamfools/scrapcore_serialization
[INFO] finished tweaking git repo https://github.com/Dreamfools/scrapcore_serialization
[INFO] tweaked toml for git repo https://github.com/Dreamfools/scrapcore_serialization written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dreamfools/scrapcore_serialization 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6117b35efbf386471146ba88bb14b4488ba3eaffabe95c26678c2bc1a73036b4
[INFO] running `Command { std: "docker" "start" "-a" "6117b35efbf386471146ba88bb14b4488ba3eaffabe95c26678c2bc1a73036b4", kill_on_drop: false }`
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[INFO] [stdout] 6117b35efbf386471146ba88bb14b4488ba3eaffabe95c26678c2bc1a73036b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05feaab3c8185dd0ee6454fd0b9f951ee0e7144df6c7b2b08fc59eec5c1a9af5
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[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking either v1.11.0
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[INFO] [stderr]     Checking scrapcore_serialization_macro v0.1.0 (/opt/rustwide/workdir/scrapcore_serialization_macro)
[INFO] [stdout] warning: field `rename` is never read
[INFO] [stdout]   --> scrapcore_serialization_macro/src/model/attrs.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct StructFieldAttributeConfig {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub rename: Option<Ident>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructFieldAttributeConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rename` is never read
[INFO] [stdout]   --> scrapcore_serialization_macro/src/model/attrs.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct StructFieldAttributeConfig {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub rename: Option<Ident>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructFieldAttributeConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rename` is never read
[INFO] [stdout]   --> scrapcore_serialization_macro/src/model/attrs.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct StructFieldAttributeConfig {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub rename: Option<Ident>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructFieldAttributeConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking scrapcore_serialization v0.1.0 (/opt/rustwide/workdir/scrapcore_serialization)
[INFO] [stderr]     Checking scrapcore_serialization_test v0.1.0 (/opt/rustwide/workdir/scrapcore_serialization_tests)
[INFO] [stdout] warning: function `load_database` is never used
[INFO] [stdout]   --> scrapcore_serialization_tests/src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn load_database(path: &Path) -> Result<CityRegistry, DeserializationError<PartialCityRegistry>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.91s
[INFO] running `Command { std: "docker" "inspect" "05feaab3c8185dd0ee6454fd0b9f951ee0e7144df6c7b2b08fc59eec5c1a9af5", kill_on_drop: false }`
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[INFO] [stdout] 05feaab3c8185dd0ee6454fd0b9f951ee0e7144df6c7b2b08fc59eec5c1a9af5