[INFO] fetching crate pulldown-cmark-frontmatter 0.3.0...
[INFO] checking pulldown-cmark-frontmatter-0.3.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate pulldown-cmark-frontmatter 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pulldown-cmark-frontmatter 0.3.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate pulldown-cmark-frontmatter 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pulldown-cmark-frontmatter 0.3.0
[INFO] tweaked toml for crates.io crate pulldown-cmark-frontmatter 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pulldown-cmark-frontmatter 0.3.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.8.17
[INFO] [stderr]   Downloaded toml_edit v0.22.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18e42739b52cd0cbd41dcca64284846445d8eaa685fc19616cdf8fd047a27b09
[INFO] running `Command { std: "docker" "start" "-a" "18e42739b52cd0cbd41dcca64284846445d8eaa685fc19616cdf8fd047a27b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18e42739b52cd0cbd41dcca64284846445d8eaa685fc19616cdf8fd047a27b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e42739b52cd0cbd41dcca64284846445d8eaa685fc19616cdf8fd047a27b09", kill_on_drop: false }`
[INFO] [stdout] 18e42739b52cd0cbd41dcca64284846445d8eaa685fc19616cdf8fd047a27b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd826f8919f6c472041621baf2fceff9121a9824d24c467b4a2f08af1ac92714
[INFO] running `Command { std: "docker" "start" "-a" "fd826f8919f6c472041621baf2fceff9121a9824d24c467b4a2f08af1ac92714", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling pulldown-cmark v0.11.0
[INFO] [stderr]     Checking winnow v0.6.16
[INFO] [stderr]     Checking pulldown-cmark-escape v0.11.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking pulldown-cmark-frontmatter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.18
[INFO] [stderr]     Checking toml v0.8.17
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.54s
[INFO] running `Command { std: "docker" "inspect" "fd826f8919f6c472041621baf2fceff9121a9824d24c467b4a2f08af1ac92714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd826f8919f6c472041621baf2fceff9121a9824d24c467b4a2f08af1ac92714", kill_on_drop: false }`
[INFO] [stdout] fd826f8919f6c472041621baf2fceff9121a9824d24c467b4a2f08af1ac92714