[INFO] fetching crate veriform_derive 0.2.0... [INFO] checking veriform_derive-0.2.0 against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438 [INFO] extracting crate veriform_derive 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate veriform_derive 0.2.0 on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate veriform_derive 0.2.0 [INFO] finished tweaking crates.io crate veriform_derive 0.2.0 [INFO] tweaked toml for crates.io crate veriform_derive 0.2.0 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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [INFO] [stderr] Adding darling v0.10.2 (available: v0.20.10) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.100) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f611dc74536b24d2c930074f140c5f8a932b3f3a8abe31013675b764384fa3a [INFO] running `Command { std: "docker" "start" "-a" "9f611dc74536b24d2c930074f140c5f8a932b3f3a8abe31013675b764384fa3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f611dc74536b24d2c930074f140c5f8a932b3f3a8abe31013675b764384fa3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f611dc74536b24d2c930074f140c5f8a932b3f3a8abe31013675b764384fa3a", kill_on_drop: false }` [INFO] [stdout] 9f611dc74536b24d2c930074f140c5f8a932b3f3a8abe31013675b764384fa3a [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da182ba64019119150648b2db24c2b1da286ed20d5407c745c6b64a5c0098205 [INFO] running `Command { std: "docker" "start" "-a" "da182ba64019119150648b2db24c2b1da286ed20d5407c745c6b64a5c0098205", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking unicode-xid v0.2.6 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking darling_core v0.10.2 [INFO] [stderr] Checking synstructure v0.12.6 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking darling v0.10.2 [INFO] [stderr] Checking veriform_derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `size`, `min`, and `max` are never read [INFO] [stdout] --> src/field.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub(crate) struct Attrs { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | size: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | min: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | max: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attrs` 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: fields `size`, `min`, and `max` are never read [INFO] [stdout] --> src/field.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub(crate) struct Attrs { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | size: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | min: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | max: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Attrs` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s [INFO] running `Command { std: "docker" "inspect" "da182ba64019119150648b2db24c2b1da286ed20d5407c745c6b64a5c0098205", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da182ba64019119150648b2db24c2b1da286ed20d5407c745c6b64a5c0098205", kill_on_drop: false }` [INFO] [stdout] da182ba64019119150648b2db24c2b1da286ed20d5407c745c6b64a5c0098205