[INFO] fetching crate synstructure 0.13.2...
[INFO] building synstructure-0.13.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate synstructure 0.13.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate synstructure 0.13.2
[INFO] finished tweaking crates.io crate synstructure 0.13.2
[INFO] tweaked toml for crates.io crate synstructure 0.13.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synstructure 0.13.2 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 synstructure 0.13.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded synstructure_test_traits v0.1.0
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded syn v2.0.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df22228761233e3312db74c3570339ea23c10b249fd0b42aa39aee7778dc2c2
[INFO] running `Command { std: "docker" "start" "-a" "8df22228761233e3312db74c3570339ea23c10b249fd0b42aa39aee7778dc2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df22228761233e3312db74c3570339ea23c10b249fd0b42aa39aee7778dc2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df22228761233e3312db74c3570339ea23c10b249fd0b42aa39aee7778dc2c2", kill_on_drop: false }`
[INFO] [stdout] 8df22228761233e3312db74c3570339ea23c10b249fd0b42aa39aee7778dc2c2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c325303149c3fc98c13b5521a062539a68df4a21c00b34c3171c5fba6c663f
[INFO] running `Command { std: "docker" "start" "-a" "10c325303149c3fc98c13b5521a062539a68df4a21c00b34c3171c5fba6c663f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v2.0.0
[INFO] [stderr]    Compiling synstructure v0.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "10c325303149c3fc98c13b5521a062539a68df4a21c00b34c3171c5fba6c663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c325303149c3fc98c13b5521a062539a68df4a21c00b34c3171c5fba6c663f", kill_on_drop: false }`
[INFO] [stdout] 10c325303149c3fc98c13b5521a062539a68df4a21c00b34c3171c5fba6c663f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbf79997c05ee794d4827e3fb519cc6f161cfde686bc23b26fcc9d9569d9bad6
[INFO] running `Command { std: "docker" "start" "-a" "cbf79997c05ee794d4827e3fb519cc6f161cfde686bc23b26fcc9d9569d9bad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling synstructure_test_traits v0.1.0
[INFO] [stderr]    Compiling synstructure v0.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "cbf79997c05ee794d4827e3fb519cc6f161cfde686bc23b26fcc9d9569d9bad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf79997c05ee794d4827e3fb519cc6f161cfde686bc23b26fcc9d9569d9bad6", kill_on_drop: false }`
[INFO] [stdout] cbf79997c05ee794d4827e3fb519cc6f161cfde686bc23b26fcc9d9569d9bad6