[INFO] fetching crate calyx-backend 0.7.1...
[INFO] checking calyx-backend-0.7.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate calyx-backend 0.7.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate calyx-backend 0.7.1 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 calyx-backend 0.7.1
[INFO] finished tweaking crates.io crate calyx-backend 0.7.1
[INFO] tweaked toml for crates.io crate calyx-backend 0.7.1 written to /workspace/builds/worker-7-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]     Updating crates.io index
[INFO] [stderr]      Locking 117 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.11)
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (available: v0.5.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.11.2 (available: v0.14.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.13.0)
[INFO] [stderr]       Adding nom v4.2.3 (available: v7.1.3)
[INFO] [stderr]       Adding pretty v0.11.3 (available: v0.12.3)
[INFO] [stderr]       Adding quick-xml v0.30.0 (available: v0.36.2)
[INFO] [stderr]       Adding string-interner v0.14.0 (available: v0.17.0)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.25.3 (available: v0.26.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding version_check v0.1.5 (available: v0.9.5)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b420ca510565ef0da8b3f758d4328fd12f4bf3dadd8fcd725c1949bda00369bf
[INFO] running `Command { std: "docker" "start" "-a" "b420ca510565ef0da8b3f758d4328fd12f4bf3dadd8fcd725c1949bda00369bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b420ca510565ef0da8b3f758d4328fd12f4bf3dadd8fcd725c1949bda00369bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b420ca510565ef0da8b3f758d4328fd12f4bf3dadd8fcd725c1949bda00369bf", kill_on_drop: false }`
[INFO] [stdout] b420ca510565ef0da8b3f758d4328fd12f4bf3dadd8fcd725c1949bda00369bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] befcc8fa25c67a675a9cce4ca2174a885ae10b6b2049fba15a5dd8afa6a819da
[INFO] running `Command { std: "docker" "start" "-a" "befcc8fa25c67a675a9cce4ca2174a885ae10b6b2049fba15a5dd8afa6a819da", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pretty v0.11.3
[INFO] [stderr]     Checking vast v0.3.3
[INFO] [stderr]     Checking symbol_table v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling pest_consume_macros v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling pest v2.7.13
[INFO] [stderr]    Compiling pest_meta v2.7.13
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling pest_generator v2.7.13
[INFO] [stderr]    Compiling pest_derive v2.7.13
[INFO] [stderr]     Checking pest_consume v1.1.3
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking string-interner v0.14.0
[INFO] [stderr]     Checking calyx-utils v0.7.1
[INFO] [stderr]     Checking calyx-frontend v0.7.1
[INFO] [stderr]     Checking calyx-ir v0.7.1
[INFO] [stderr]     Checking calyx-backend v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "befcc8fa25c67a675a9cce4ca2174a885ae10b6b2049fba15a5dd8afa6a819da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befcc8fa25c67a675a9cce4ca2174a885ae10b6b2049fba15a5dd8afa6a819da", kill_on_drop: false }`
[INFO] [stdout] befcc8fa25c67a675a9cce4ca2174a885ae10b6b2049fba15a5dd8afa6a819da