[INFO] fetching crate pulldown-cmark-frontmatter 0.4.0...
[INFO] checking pulldown-cmark-frontmatter-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate pulldown-cmark-frontmatter 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate pulldown-cmark-frontmatter 0.4.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-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-1-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc986706a8d28b6fbbecd16f29cffd87fd9bec0a4a03d4f45035e442fa7aecd6
[INFO] running `Command { std: "docker" "start" "-a" "bc986706a8d28b6fbbecd16f29cffd87fd9bec0a4a03d4f45035e442fa7aecd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc986706a8d28b6fbbecd16f29cffd87fd9bec0a4a03d4f45035e442fa7aecd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc986706a8d28b6fbbecd16f29cffd87fd9bec0a4a03d4f45035e442fa7aecd6", kill_on_drop: false }`
[INFO] [stdout] bc986706a8d28b6fbbecd16f29cffd87fd9bec0a4a03d4f45035e442fa7aecd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb7feb65736fb990fd8ec237a1227b4b666aed6b8a407c96c0b0dc171d22560e
[INFO] running `Command { std: "docker" "start" "-a" "bb7feb65736fb990fd8ec237a1227b4b666aed6b8a407c96c0b0dc171d22560e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.12.1
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking pulldown-cmark-frontmatter v0.4.0 (/opt/rustwide/workdir)
[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 6.03s
[INFO] running `Command { std: "docker" "inspect" "bb7feb65736fb990fd8ec237a1227b4b666aed6b8a407c96c0b0dc171d22560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7feb65736fb990fd8ec237a1227b4b666aed6b8a407c96c0b0dc171d22560e", kill_on_drop: false }`
[INFO] [stdout] bb7feb65736fb990fd8ec237a1227b4b666aed6b8a407c96c0b0dc171d22560e