[INFO] fetching crate kbnf-syntax 0.4.3...
[INFO] checking kbnf-syntax-0.4.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate kbnf-syntax 0.4.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate kbnf-syntax 0.4.3 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 kbnf-syntax 0.4.3
[INFO] finished tweaking crates.io crate kbnf-syntax 0.4.3
[INFO] tweaked toml for crates.io crate kbnf-syntax 0.4.3 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]     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 47 packages to latest compatible versions
[INFO] [stderr]       Adding encode_unicode v0.3.6 (available: v1.0.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] [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] 4a0737207cde24a924af4f5b5f8443462c4972efff6caa9f2db7d5522a7e3227
[INFO] running `Command { std: "docker" "start" "-a" "4a0737207cde24a924af4f5b5f8443462c4972efff6caa9f2db7d5522a7e3227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a0737207cde24a924af4f5b5f8443462c4972efff6caa9f2db7d5522a7e3227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0737207cde24a924af4f5b5f8443462c4972efff6caa9f2db7d5522a7e3227", kill_on_drop: false }`
[INFO] [stdout] 4a0737207cde24a924af4f5b5f8443462c4972efff6caa9f2db7d5522a7e3227
[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] 673c0d5385d1f138c5f3022385605dab97b969b8b8c3f596dc89d553376ef2dd
[INFO] running `Command { std: "docker" "start" "-a" "673c0d5385d1f138c5f3022385605dab97b969b8b8c3f596dc89d553376ef2dd", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]     Checking general-sam v1.0.0
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking kbnf-regex-automata v0.4.10
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking parse-hyperlinks v0.27.2
[INFO] [stderr]     Checking string-interner v0.17.0
[INFO] [stderr]     Checking insta v1.40.0
[INFO] [stderr]     Checking kbnf-syntax v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "673c0d5385d1f138c5f3022385605dab97b969b8b8c3f596dc89d553376ef2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673c0d5385d1f138c5f3022385605dab97b969b8b8c3f596dc89d553376ef2dd", kill_on_drop: false }`
[INFO] [stdout] 673c0d5385d1f138c5f3022385605dab97b969b8b8c3f596dc89d553376ef2dd