[INFO] fetching crate uniffi_udl 0.28.1...
[INFO] checking uniffi_udl-0.28.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate uniffi_udl 0.28.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate uniffi_udl 0.28.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uniffi_udl 0.28.1
[INFO] finished tweaking crates.io crate uniffi_udl 0.28.1
[INFO] tweaked toml for crates.io crate uniffi_udl 0.28.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (available: v0.18.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f2a635e4f68cd84687ab3d6936d5930042a6b85035b33a80f39c6beb1d7269a
[INFO] running `Command { std: "docker" "start" "-a" "3f2a635e4f68cd84687ab3d6936d5930042a6b85035b33a80f39c6beb1d7269a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f2a635e4f68cd84687ab3d6936d5930042a6b85035b33a80f39c6beb1d7269a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2a635e4f68cd84687ab3d6936d5930042a6b85035b33a80f39c6beb1d7269a", kill_on_drop: false }`
[INFO] [stdout] 3f2a635e4f68cd84687ab3d6936d5930042a6b85035b33a80f39c6beb1d7269a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a678ebc69bb9c3058fb76ca5204ab9de40b4f05c7e3e4593f4fe23abb0558d
[INFO] running `Command { std: "docker" "start" "-a" "61a678ebc69bb9c3058fb76ca5204ab9de40b4f05c7e3e4593f4fe23abb0558d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling uniffi_checksum_derive v0.28.1
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking uniffi_meta v0.28.1
[INFO] [stderr]     Checking weedle2 v5.0.0
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking uniffi_testing v0.28.1
[INFO] [stderr]     Checking uniffi_udl v0.28.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "61a678ebc69bb9c3058fb76ca5204ab9de40b4f05c7e3e4593f4fe23abb0558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a678ebc69bb9c3058fb76ca5204ab9de40b4f05c7e3e4593f4fe23abb0558d", kill_on_drop: false }`
[INFO] [stdout] 61a678ebc69bb9c3058fb76ca5204ab9de40b4f05c7e3e4593f4fe23abb0558d