[INFO] fetching crate dlhn 0.1.7... [INFO] checking dlhn-0.1.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate dlhn 0.1.7 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate dlhn 0.1.7 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 dlhn 0.1.7 [INFO] finished tweaking crates.io crate dlhn 0.1.7 [INFO] tweaked toml for crates.io crate dlhn 0.1.7 written to /workspace/builds/worker-5-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 20 packages to latest compatible versions [INFO] [stderr] Adding bigdecimal v0.3.1 (available: v0.4.5) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4ba83b6c7192cb4b501b4bfe950ddfe1141bcbd7c0e02b0a01e31063500b5516 [INFO] running `Command { std: "docker" "start" "-a" "4ba83b6c7192cb4b501b4bfe950ddfe1141bcbd7c0e02b0a01e31063500b5516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ba83b6c7192cb4b501b4bfe950ddfe1141bcbd7c0e02b0a01e31063500b5516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ba83b6c7192cb4b501b4bfe950ddfe1141bcbd7c0e02b0a01e31063500b5516", kill_on_drop: false }` [INFO] [stdout] 4ba83b6c7192cb4b501b4bfe950ddfe1141bcbd7c0e02b0a01e31063500b5516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77aa0905b9242f301b024e53de7b19174c9b99324a26183793d8a35e84422301 [INFO] running `Command { std: "docker" "start" "-a" "77aa0905b9242f301b024e53de7b19174c9b99324a26183793d8a35e84422301", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking iai v0.1.1 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking bigdecimal v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling dlhn_derive v0.1.1 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stderr] Checking dlhn v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `encode_prefix_varint_vec` is never used [INFO] [stdout] --> src/prefix_varint.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) trait PrefixVarint: Sized { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 11 | fn encode_prefix_varint_vec(self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 12.28s [INFO] running `Command { std: "docker" "inspect" "77aa0905b9242f301b024e53de7b19174c9b99324a26183793d8a35e84422301", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77aa0905b9242f301b024e53de7b19174c9b99324a26183793d8a35e84422301", kill_on_drop: false }` [INFO] [stdout] 77aa0905b9242f301b024e53de7b19174c9b99324a26183793d8a35e84422301