[INFO] fetching crate pulldown-cmark-frontmatter 0.4.0...
[INFO] checking pulldown-cmark-frontmatter-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate pulldown-cmark-frontmatter 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate pulldown-cmark-frontmatter 0.4.0 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate pulldown-cmark-frontmatter 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pulldown-cmark-frontmatter 0.4.0
[INFO] tweaked toml for crates.io crate pulldown-cmark-frontmatter 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate pulldown-cmark-frontmatter 0.4.0 already has a lockfile, it will not be regenerated
[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-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] edb5b6b0e8a6614593e74ef4e782b5922b5796049f77c5c76400d916ad640840
[INFO] running `Command { std: "docker" "start" "-a" "edb5b6b0e8a6614593e74ef4e782b5922b5796049f77c5c76400d916ad640840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb5b6b0e8a6614593e74ef4e782b5922b5796049f77c5c76400d916ad640840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb5b6b0e8a6614593e74ef4e782b5922b5796049f77c5c76400d916ad640840", kill_on_drop: false }`
[INFO] [stdout] edb5b6b0e8a6614593e74ef4e782b5922b5796049f77c5c76400d916ad640840
[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] 3ed7ec7d5cb6102672e12fdc2605e7f970945b32d8ba1432a2ee4f8305013045
[INFO] running `Command { std: "docker" "start" "-a" "3ed7ec7d5cb6102672e12fdc2605e7f970945b32d8ba1432a2ee4f8305013045", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling pulldown-cmark v0.12.1
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking pulldown-cmark-frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "3ed7ec7d5cb6102672e12fdc2605e7f970945b32d8ba1432a2ee4f8305013045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed7ec7d5cb6102672e12fdc2605e7f970945b32d8ba1432a2ee4f8305013045", kill_on_drop: false }`
[INFO] [stdout] 3ed7ec7d5cb6102672e12fdc2605e7f970945b32d8ba1432a2ee4f8305013045