[INFO] fetching crate attribution-macros 0.5.0...
[INFO] checking attribution-macros-0.5.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate attribution-macros 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate attribution-macros 0.5.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate attribution-macros 0.5.0
[INFO] finished tweaking crates.io crate attribution-macros 0.5.0
[INFO] tweaked toml for crates.io crate attribution-macros 0.5.0 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71e5196db878fa4600cdd593271dd87624fa68f6765dff67a3aeb6ebe8323ec
[INFO] running `Command { std: "docker" "start" "-a" "c71e5196db878fa4600cdd593271dd87624fa68f6765dff67a3aeb6ebe8323ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71e5196db878fa4600cdd593271dd87624fa68f6765dff67a3aeb6ebe8323ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71e5196db878fa4600cdd593271dd87624fa68f6765dff67a3aeb6ebe8323ec", kill_on_drop: false }`
[INFO] [stdout] c71e5196db878fa4600cdd593271dd87624fa68f6765dff67a3aeb6ebe8323ec
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63acf5907c854a189fe4b55a28ebe5ab9be2bc0f8b5ee7bfe51fd5a982c47a0c
[INFO] running `Command { std: "docker" "start" "-a" "63acf5907c854a189fe4b55a28ebe5ab9be2bc0f8b5ee7bfe51fd5a982c47a0c", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking attribution-macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/extraction.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use super::*;
[INFO] [stdout]    |         -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 46 |     use syn::Field;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "63acf5907c854a189fe4b55a28ebe5ab9be2bc0f8b5ee7bfe51fd5a982c47a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63acf5907c854a189fe4b55a28ebe5ab9be2bc0f8b5ee7bfe51fd5a982c47a0c", kill_on_drop: false }`
[INFO] [stdout] 63acf5907c854a189fe4b55a28ebe5ab9be2bc0f8b5ee7bfe51fd5a982c47a0c
