[INFO] fetching crate dynamodel_derive 0.5.1...
[INFO] checking dynamodel_derive-0.5.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate dynamodel_derive 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dynamodel_derive 0.5.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamodel_derive 0.5.1
[INFO] finished tweaking crates.io crate dynamodel_derive 0.5.1
[INFO] tweaked toml for crates.io crate dynamodel_derive 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 385ecd1e0e0ec5a330dc8ddef092f8a596e97b2065d93a8c6ecb1c8b34d8a03f
[INFO] running `Command { std: "docker" "start" "-a" "385ecd1e0e0ec5a330dc8ddef092f8a596e97b2065d93a8c6ecb1c8b34d8a03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "385ecd1e0e0ec5a330dc8ddef092f8a596e97b2065d93a8c6ecb1c8b34d8a03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385ecd1e0e0ec5a330dc8ddef092f8a596e97b2065d93a8c6ecb1c8b34d8a03f", kill_on_drop: false }`
[INFO] [stdout] 385ecd1e0e0ec5a330dc8ddef092f8a596e97b2065d93a8c6ecb1c8b34d8a03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109872c16e31a48f959a85993b4f5da173e9a242c8dbd2f73d8dd9ba8ac4a4b4
[INFO] running `Command { std: "docker" "start" "-a" "109872c16e31a48f959a85993b4f5da173e9a242c8dbd2f73d8dd9ba8ac4a4b4", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]     Checking dynamodel_derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]    --> src/types.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct Field {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub attrs: Vec<syn::Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Field` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]    --> src/types.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 414 | pub struct Variant {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 415 |     pub ident: syn::Ident,
[INFO] [stdout] 416 |     pub attrs: Vec<syn::Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Variant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]    --> src/types.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct Field {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub attrs: Vec<syn::Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Field` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]    --> src/types.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 414 | pub struct Variant {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 415 |     pub ident: syn::Ident,
[INFO] [stdout] 416 |     pub attrs: Vec<syn::Attribute>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Variant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "109872c16e31a48f959a85993b4f5da173e9a242c8dbd2f73d8dd9ba8ac4a4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109872c16e31a48f959a85993b4f5da173e9a242c8dbd2f73d8dd9ba8ac4a4b4", kill_on_drop: false }`
[INFO] [stdout] 109872c16e31a48f959a85993b4f5da173e9a242c8dbd2f73d8dd9ba8ac4a4b4