[INFO] fetching crate validator_struct 0.3.1...
[INFO] checking validator_struct-0.3.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate validator_struct 0.3.1 into /workspace/builds/worker-0-tc1/source
[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] validating manifest of crates.io crate validator_struct 0.3.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding validator v0.18.1 (available: v0.20.0)
[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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d496602ac2f5b8f633896da03a698b6ac15760b56a48c5ea73c791a63eaf8b6c
[INFO] running `Command { std: "docker" "start" "-a" "d496602ac2f5b8f633896da03a698b6ac15760b56a48c5ea73c791a63eaf8b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d496602ac2f5b8f633896da03a698b6ac15760b56a48c5ea73c791a63eaf8b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d496602ac2f5b8f633896da03a698b6ac15760b56a48c5ea73c791a63eaf8b6c", kill_on_drop: false }`
[INFO] [stdout] d496602ac2f5b8f633896da03a698b6ac15760b56a48c5ea73c791a63eaf8b6c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42de06247fb21394f19d9e9eedb48756fdcae6d17f5c11f1483570b3c0f41f4d
[INFO] running `Command { std: "docker" "start" "-a" "42de06247fb21394f19d9e9eedb48756fdcae6d17f5c11f1483570b3c0f41f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling validator_derive v0.18.2
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking url v2.5.7
[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: 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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.67s
[INFO] running `Command { std: "docker" "inspect" "42de06247fb21394f19d9e9eedb48756fdcae6d17f5c11f1483570b3c0f41f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42de06247fb21394f19d9e9eedb48756fdcae6d17f5c11f1483570b3c0f41f4d", kill_on_drop: false }`
[INFO] [stdout] 42de06247fb21394f19d9e9eedb48756fdcae6d17f5c11f1483570b3c0f41f4d