[INFO] fetching crate next-gen-proc_macros 0.1.1...
[INFO] checking next-gen-proc_macros-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate next-gen-proc_macros 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate next-gen-proc_macros 0.1.1 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 next-gen-proc_macros 0.1.1
[INFO] finished tweaking crates.io crate next-gen-proc_macros 0.1.1
[INFO] tweaked toml for crates.io crate next-gen-proc_macros 0.1.1 written to /workspace/builds/worker-2-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 136 packages to latest compatible versions
[INFO] [stderr]       Adding bat v0.18.3 (available: v0.24.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bugreport v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding clircle v0.3.0 (available: v0.5.0)
[INFO] [stderr]       Adding console v0.14.1 (available: v0.15.8)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (available: v1.0.0)
[INFO] [stderr]       Adding git2 v0.13.25 (available: v0.19.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding libgit2-sys v0.12.26+1.3.0 (available: v0.17.0+1.8.1)
[INFO] [stderr]       Adding quick-xml v0.32.0 (available: v0.36.2)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding semver v0.11.0 (available: v1.0.23)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding strsim v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding syntect v4.6.0 (available: v5.2.0)
[INFO] [stderr]       Adding terminal_size v0.1.17 (available: v0.4.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 13e68abca56ef48005c37297eed8196a557aed2e8957b9ca6c72c2645ea4fc5f
[INFO] running `Command { std: "docker" "start" "-a" "13e68abca56ef48005c37297eed8196a557aed2e8957b9ca6c72c2645ea4fc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e68abca56ef48005c37297eed8196a557aed2e8957b9ca6c72c2645ea4fc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e68abca56ef48005c37297eed8196a557aed2e8957b9ca6c72c2645ea4fc5f", kill_on_drop: false }`
[INFO] [stdout] 13e68abca56ef48005c37297eed8196a557aed2e8957b9ca6c72c2645ea4fc5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e62d0c326afb6bbe4ec0f74d468c6d16d4d75053f2ec5cc446d6b3b726cdbf0a
[INFO] running `Command { std: "docker" "start" "-a" "e62d0c326afb6bbe4ec0f74d468c6d16d4d75053f2ec5cc446d6b3b726cdbf0a", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking next-gen-proc_macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "e62d0c326afb6bbe4ec0f74d468c6d16d4d75053f2ec5cc446d6b3b726cdbf0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62d0c326afb6bbe4ec0f74d468c6d16d4d75053f2ec5cc446d6b3b726cdbf0a", kill_on_drop: false }`
[INFO] [stdout] e62d0c326afb6bbe4ec0f74d468c6d16d4d75053f2ec5cc446d6b3b726cdbf0a