[INFO] fetching crate serialization_derive 0.2.13...
[INFO] building serialization_derive-0.2.13 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serialization_derive 0.2.13 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate serialization_derive 0.2.13
[INFO] finished tweaking crates.io crate serialization_derive 0.2.13
[INFO] tweaked toml for crates.io crate serialization_derive 0.2.13 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialization_derive 0.2.13 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialization_derive 0.2.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac31fd2472ec839f67742d40e322e99397162172343743480eaaf6ae06106ed6
[INFO] running `Command { std: "docker" "start" "-a" "ac31fd2472ec839f67742d40e322e99397162172343743480eaaf6ae06106ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac31fd2472ec839f67742d40e322e99397162172343743480eaaf6ae06106ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac31fd2472ec839f67742d40e322e99397162172343743480eaaf6ae06106ed6", kill_on_drop: false }`
[INFO] [stdout] ac31fd2472ec839f67742d40e322e99397162172343743480eaaf6ae06106ed6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef94b68712ae05c3dea19598f8eede4af51c0353ad279101578ae79e6e4f6d31
[INFO] running `Command { std: "docker" "start" "-a" "ef94b68712ae05c3dea19598f8eede4af51c0353ad279101578ae79e6e4f6d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serialization_derive v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_str`
[INFO] [stdout]  --> src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parse_macro_input, parse_quote, parse_str,
[INFO] [stdout]   |                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 305 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generic_params_without_bounds_concatted`
[INFO] [stdout]    --> src/lib.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let generic_params_without_bounds_concatted = quote! { #(#generic_params_without_bounds),* };
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generic_params_without_bounds_concatted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:658:5
[INFO] [stdout]     |
[INFO] [stdout] 658 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_tuple` is never used
[INFO] [stdout]    --> src/lib.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn encode_tuple(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "ef94b68712ae05c3dea19598f8eede4af51c0353ad279101578ae79e6e4f6d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef94b68712ae05c3dea19598f8eede4af51c0353ad279101578ae79e6e4f6d31", kill_on_drop: false }`
[INFO] [stdout] ef94b68712ae05c3dea19598f8eede4af51c0353ad279101578ae79e6e4f6d31
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a8c9e6409b33c16af8934e74e4f6608a68b6b370a719f500918734d66a02e7
[INFO] running `Command { std: "docker" "start" "-a" "e6a8c9e6409b33c16af8934e74e4f6608a68b6b370a719f500918734d66a02e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialization_derive v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_str`
[INFO] [stdout]  --> src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parse_macro_input, parse_quote, parse_str,
[INFO] [stdout]   |                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_str`
[INFO] [stdout]  --> src/lib.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parse_macro_input, parse_quote, parse_str,
[INFO] [stdout]   |                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 305 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 305 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generic_params_without_bounds_concatted`
[INFO] [stdout]    --> src/lib.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let generic_params_without_bounds_concatted = quote! { #(#generic_params_without_bounds),* };
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generic_params_without_bounds_concatted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generic_params_without_bounds_concatted`
[INFO] [stdout]    --> src/lib.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let generic_params_without_bounds_concatted = quote! { #(#generic_params_without_bounds),* };
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generic_params_without_bounds_concatted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:658:5
[INFO] [stdout]     |
[INFO] [stdout] 658 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_name`
[INFO] [stdout]    --> src/lib.rs:658:5
[INFO] [stdout]     |
[INFO] [stdout] 658 |     struct_name: proc_macro2::TokenStream,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_tuple` is never used
[INFO] [stdout]    --> src/lib.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn encode_tuple(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_tuple` is never used
[INFO] [stdout]    --> src/lib.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn encode_tuple(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "e6a8c9e6409b33c16af8934e74e4f6608a68b6b370a719f500918734d66a02e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a8c9e6409b33c16af8934e74e4f6608a68b6b370a719f500918734d66a02e7", kill_on_drop: false }`
[INFO] [stdout] e6a8c9e6409b33c16af8934e74e4f6608a68b6b370a719f500918734d66a02e7