[INFO] fetching crate pulldown-cmark-to-cmark 6.0.0...
[INFO] checking pulldown-cmark-to-cmark-6.0.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate pulldown-cmark-to-cmark 6.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pulldown-cmark-to-cmark 6.0.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pulldown-cmark-to-cmark 6.0.0
[INFO] finished tweaking crates.io crate pulldown-cmark-to-cmark 6.0.0
[INFO] tweaked toml for crates.io crate pulldown-cmark-to-cmark 6.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate pulldown-cmark-to-cmark 6.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded indoc v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394acf475bde9ab9a9303e584ff386a3585a2473ec6d402ad3977a7599db997f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "394acf475bde9ab9a9303e584ff386a3585a2473ec6d402ad3977a7599db997f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394acf475bde9ab9a9303e584ff386a3585a2473ec6d402ad3977a7599db997f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394acf475bde9ab9a9303e584ff386a3585a2473ec6d402ad3977a7599db997f", kill_on_drop: false }`
[INFO] [stdout] 394acf475bde9ab9a9303e584ff386a3585a2473ec6d402ad3977a7599db997f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efc63d727a67b45a4a6e7e272e90bda2e89d2ebd95cb9f992c50c57dd4c71f69
[INFO] running `Command { std: "docker" "start" "-a" "efc63d727a67b45a4a6e7e272e90bda2e89d2ebd95cb9f992c50c57dd4c71f69", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "efc63d727a67b45a4a6e7e272e90bda2e89d2ebd95cb9f992c50c57dd4c71f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc63d727a67b45a4a6e7e272e90bda2e89d2ebd95cb9f992c50c57dd4c71f69", kill_on_drop: false }`
[INFO] [stdout] efc63d727a67b45a4a6e7e272e90bda2e89d2ebd95cb9f992c50c57dd4c71f69