[INFO] fetching crate darling_core 0.21.3...
[INFO] checking darling_core-0.21.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate darling_core 0.21.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate darling_core 0.21.3
[INFO] finished tweaking crates.io crate darling_core 0.21.3
[INFO] tweaked toml for crates.io crate darling_core 0.21.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate darling_core 0.21.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate darling_core 0.21.3 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc092bd4a5c34a497404898cb5c82ce4867c5be16833cd8c8c49991edf086639
[INFO] running `Command { std: "docker" "start" "-a" "cc092bd4a5c34a497404898cb5c82ce4867c5be16833cd8c8c49991edf086639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc092bd4a5c34a497404898cb5c82ce4867c5be16833cd8c8c49991edf086639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc092bd4a5c34a497404898cb5c82ce4867c5be16833cd8c8c49991edf086639", kill_on_drop: false }`
[INFO] [stdout] cc092bd4a5c34a497404898cb5c82ce4867c5be16833cd8c8c49991edf086639
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1e4f43648f46500bfdb642a91cce1ede31bb4a676786d1f2ba11d7d10ecdb6
[INFO] running `Command { std: "docker" "start" "-a" "5c1e4f43648f46500bfdb642a91cce1ede31bb4a676786d1f2ba11d7d10ecdb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.56
[INFO] [stderr]     Checking serde_json v1.0.142
[INFO] [stderr]     Checking darling_core v0.21.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "5c1e4f43648f46500bfdb642a91cce1ede31bb4a676786d1f2ba11d7d10ecdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1e4f43648f46500bfdb642a91cce1ede31bb4a676786d1f2ba11d7d10ecdb6", kill_on_drop: false }`
[INFO] [stdout] 5c1e4f43648f46500bfdb642a91cce1ede31bb4a676786d1f2ba11d7d10ecdb6