[INFO] fetching crate dialectic-null 0.1.0...
[INFO] checking dialectic-null-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate dialectic-null 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dialectic-null 0.1.0 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 dialectic-null 0.1.0
[INFO] finished tweaking crates.io crate dialectic-null 0.1.0
[INFO] tweaked toml for crates.io crate dialectic-null 0.1.0 written to /workspace/builds/worker-3-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 34 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding thunderdome v0.4.2 (available: v0.6.1)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4cd1e915d2cb4d8136dc91e89c2116a5342cd77a2b6b49736bf5bfc1659cd904
[INFO] running `Command { std: "docker" "start" "-a" "4cd1e915d2cb4d8136dc91e89c2116a5342cd77a2b6b49736bf5bfc1659cd904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd1e915d2cb4d8136dc91e89c2116a5342cd77a2b6b49736bf5bfc1659cd904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd1e915d2cb4d8136dc91e89c2116a5342cd77a2b6b49736bf5bfc1659cd904", kill_on_drop: false }`
[INFO] [stdout] 4cd1e915d2cb4d8136dc91e89c2116a5342cd77a2b6b49736bf5bfc1659cd904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c62c2bbfc47fdc592f2013ee1287f179585ee1563bc7b5dd40e6c4abd3661341
[INFO] running `Command { std: "docker" "start" "-a" "c62c2bbfc47fdc592f2013ee1287f179585ee1563bc7b5dd40e6c4abd3661341", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling thunderdome v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling dialectic v0.4.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking call-by v0.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling dialectic-compiler v0.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling dialectic-macro v0.1.0
[INFO] [stderr]     Checking dialectic-null v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.74s
[INFO] running `Command { std: "docker" "inspect" "c62c2bbfc47fdc592f2013ee1287f179585ee1563bc7b5dd40e6c4abd3661341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62c2bbfc47fdc592f2013ee1287f179585ee1563bc7b5dd40e6c4abd3661341", kill_on_drop: false }`
[INFO] [stdout] c62c2bbfc47fdc592f2013ee1287f179585ee1563bc7b5dd40e6c4abd3661341