[INFO] fetching crate regi_object 0.1.0...
[INFO] building regi_object-0.1.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate regi_object 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate regi_object 0.1.0 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regi_object 0.1.0
[INFO] finished tweaking crates.io crate regi_object 0.1.0
[INFO] tweaked toml for crates.io crate regi_object 0.1.0 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.101)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d2a8bbc523fb10239c7f57e6d4a419121a90dd7d89f8103b927de2b25923314
[INFO] running `Command { std: "docker" "start" "-a" "0d2a8bbc523fb10239c7f57e6d4a419121a90dd7d89f8103b927de2b25923314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d2a8bbc523fb10239c7f57e6d4a419121a90dd7d89f8103b927de2b25923314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2a8bbc523fb10239c7f57e6d4a419121a90dd7d89f8103b927de2b25923314", kill_on_drop: false }`
[INFO] [stdout] 0d2a8bbc523fb10239c7f57e6d4a419121a90dd7d89f8103b927de2b25923314
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07307d8758062006d27f66987cf362cfa7b5c1265b80575da867292de1e3fdb6
[INFO] running `Command { std: "docker" "start" "-a" "07307d8758062006d27f66987cf362cfa7b5c1265b80575da867292de1e3fdb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling regi_object v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `struct_name::StructName`
[INFO] [stdout]  --> src/derive/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use struct_name::StructName;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis` and `name` are never read
[INFO] [stdout]  --> src/derive/struct_name.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct StructName {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |   pub vis: Visibility,
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 8 |   pub name: Ident,
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "07307d8758062006d27f66987cf362cfa7b5c1265b80575da867292de1e3fdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07307d8758062006d27f66987cf362cfa7b5c1265b80575da867292de1e3fdb6", kill_on_drop: false }`
[INFO] [stdout] 07307d8758062006d27f66987cf362cfa7b5c1265b80575da867292de1e3fdb6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5066369727ba82431ef35d553a7d0b8631c3e8a49b08409e5ee70e8e111645c
[INFO] running `Command { std: "docker" "start" "-a" "c5066369727ba82431ef35d553a7d0b8631c3e8a49b08409e5ee70e8e111645c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regi_object v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `struct_name::StructName`
[INFO] [stdout]  --> src/derive/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use struct_name::StructName;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `struct_name::StructName`
[INFO] [stdout]  --> src/derive/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use struct_name::StructName;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis` and `name` are never read
[INFO] [stdout]  --> src/derive/struct_name.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct StructName {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |   pub vis: Visibility,
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 8 |   pub name: Ident,
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis` and `name` are never read
[INFO] [stdout]  --> src/derive/struct_name.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct StructName {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 7 |   pub vis: Visibility,
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 8 |   pub name: Ident,
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c5066369727ba82431ef35d553a7d0b8631c3e8a49b08409e5ee70e8e111645c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5066369727ba82431ef35d553a7d0b8631c3e8a49b08409e5ee70e8e111645c", kill_on_drop: false }`
[INFO] [stdout] c5066369727ba82431ef35d553a7d0b8631c3e8a49b08409e5ee70e8e111645c