[INFO] fetching crate validator_struct 0.3.1...
[INFO] checking validator_struct-0.3.1 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate validator_struct 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate validator_struct 0.3.1 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate validator_struct 0.3.1
[INFO] finished tweaking crates.io crate validator_struct 0.3.1
[INFO] tweaked toml for crates.io crate validator_struct 0.3.1 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 275cc16466494d549abdd7c29c56b1018ce6083cf25f24c03041e69609849941
[INFO] running `Command { std: "docker" "start" "-a" "275cc16466494d549abdd7c29c56b1018ce6083cf25f24c03041e69609849941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275cc16466494d549abdd7c29c56b1018ce6083cf25f24c03041e69609849941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275cc16466494d549abdd7c29c56b1018ce6083cf25f24c03041e69609849941", kill_on_drop: false }`
[INFO] [stdout] 275cc16466494d549abdd7c29c56b1018ce6083cf25f24c03041e69609849941
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1269ea966d8786c1279f2fcaf50bd80a92c1bbef6ba24c966d4f523b01d1a5a9
[INFO] running `Command { std: "docker" "start" "-a" "1269ea966d8786c1279f2fcaf50bd80a92c1bbef6ba24c966d4f523b01d1a5a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling validator_derive v0.18.2
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking validator v0.18.1
[INFO] [stderr]     Checking validator_struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]   --> src/utils/metadata.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Derive { kw: kw::derive, paths: Vec<Path> },
[INFO] [stdout]    |     ------   ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] [stdout] warning: field `kw` is never read
[INFO] [stdout]   --> src/utils/metadata.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Derive { kw: kw::derive, paths: Vec<Path> },
[INFO] [stdout]    |     ------   ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] [stdout] warning: field `kw` is never read
[INFO] [stdout]   --> src/utils/metadata.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Derive { kw: kw::derive, paths: Vec<Path> },
[INFO] [stdout]    |     ------   ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[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] [stdout] warning: field `bar` is never read
[INFO] [stdout]   --> tests/derive.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 8  |     struct Foo {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |         bar: String,
[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 39.50s
[INFO] running `Command { std: "docker" "inspect" "1269ea966d8786c1279f2fcaf50bd80a92c1bbef6ba24c966d4f523b01d1a5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1269ea966d8786c1279f2fcaf50bd80a92c1bbef6ba24c966d4f523b01d1a5a9", kill_on_drop: false }`
[INFO] [stdout] 1269ea966d8786c1279f2fcaf50bd80a92c1bbef6ba24c966d4f523b01d1a5a9