[INFO] fetching crate stapifaction_derive 0.0.2...
[INFO] checking stapifaction_derive-0.0.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate stapifaction_derive 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate stapifaction_derive 0.0.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stapifaction_derive 0.0.2
[INFO] finished tweaking crates.io crate stapifaction_derive 0.0.2
[INFO] tweaked toml for crates.io crate stapifaction_derive 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d7782a6f770c7c691a5616b81f59e77e755331f81cac88c7271c922c47c311c
[INFO] running `Command { std: "docker" "start" "-a" "7d7782a6f770c7c691a5616b81f59e77e755331f81cac88c7271c922c47c311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7782a6f770c7c691a5616b81f59e77e755331f81cac88c7271c922c47c311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7782a6f770c7c691a5616b81f59e77e755331f81cac88c7271c922c47c311c", kill_on_drop: false }`
[INFO] [stdout] 7d7782a6f770c7c691a5616b81f59e77e755331f81cac88c7271c922c47c311c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca83408149055f209ec4ce9ea5e60e86b9067edbab63b723e8abe2181ea6db28
[INFO] running `Command { std: "docker" "start" "-a" "ca83408149055f209ec4ce9ea5e60e86b9067edbab63b723e8abe2181ea6db28", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking serde_derive_internals v0.29.1
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]     Checking stapifaction_derive v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ident` and `ty` are never read
[INFO] [stdout]    --> src/persist_input_receiver.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct PersistableField {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 224 |     pub ident: Option<Ident>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 225 |     pub ty: Type,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PersistableField` 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 `ident` and `ty` are never read
[INFO] [stdout]    --> src/persist_input_receiver.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub struct PersistableField {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 224 |     pub ident: Option<Ident>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 225 |     pub ty: Type,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PersistableField` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "ca83408149055f209ec4ce9ea5e60e86b9067edbab63b723e8abe2181ea6db28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca83408149055f209ec4ce9ea5e60e86b9067edbab63b723e8abe2181ea6db28", kill_on_drop: false }`
[INFO] [stdout] ca83408149055f209ec4ce9ea5e60e86b9067edbab63b723e8abe2181ea6db28