[INFO] fetching crate serde-bindgen-core-derive 0.1.12...
[INFO] checking serde-bindgen-core-derive-0.1.12 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate serde-bindgen-core-derive 0.1.12 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate serde-bindgen-core-derive 0.1.12 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-bindgen-core-derive 0.1.12
[INFO] finished tweaking crates.io crate serde-bindgen-core-derive 0.1.12
[INFO] tweaked toml for crates.io crate serde-bindgen-core-derive 0.1.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c1bf618e58e266a7d7c816d5d0f672efad1cf31d154ef317f7ace34a7a3a46e
[INFO] running `Command { std: "docker" "start" "-a" "1c1bf618e58e266a7d7c816d5d0f672efad1cf31d154ef317f7ace34a7a3a46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c1bf618e58e266a7d7c816d5d0f672efad1cf31d154ef317f7ace34a7a3a46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1bf618e58e266a7d7c816d5d0f672efad1cf31d154ef317f7ace34a7a3a46e", kill_on_drop: false }`
[INFO] [stdout] 1c1bf618e58e266a7d7c816d5d0f672efad1cf31d154ef317f7ace34a7a3a46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d589825fe028765d14fae1a69af8e156e5e9abe7a396372a6c286f6130c0fa3a
[INFO] running `Command { std: "docker" "start" "-a" "d589825fe028765d14fae1a69af8e156e5e9abe7a396372a6c286f6130c0fa3a", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking serde-bindgen-core-derive v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/attributes.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ContainerAttribute {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 36 |     pub ident: Ident,
[INFO] [stdout] 37 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerAttribute` has a derived impl for the trait `Clone`, 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 `0` is never read
[INFO] [stdout]    --> src/attributes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(TokenStream),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/attributes.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ContainerAttribute {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 36 |     pub ident: Ident,
[INFO] [stdout] 37 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ContainerAttribute` has a derived impl for the trait `Clone`, 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 `0` is never read
[INFO] [stdout]    --> src/attributes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(TokenStream),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 199 |     Ignore(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "d589825fe028765d14fae1a69af8e156e5e9abe7a396372a6c286f6130c0fa3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d589825fe028765d14fae1a69af8e156e5e9abe7a396372a6c286f6130c0fa3a", kill_on_drop: false }`
[INFO] [stdout] d589825fe028765d14fae1a69af8e156e5e9abe7a396372a6c286f6130c0fa3a