[INFO] fetching crate pulldown-cmark-to-cmark 4.0.2...
[INFO] checking pulldown-cmark-to-cmark-4.0.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate pulldown-cmark-to-cmark 4.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pulldown-cmark-to-cmark 4.0.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pulldown-cmark-to-cmark 4.0.2
[INFO] finished tweaking crates.io crate pulldown-cmark-to-cmark 4.0.2
[INFO] tweaked toml for crates.io crate pulldown-cmark-to-cmark 4.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate pulldown-cmark-to-cmark 4.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0c1d98089bed29f38a8bd0a1b75f489d620fb287f742e37eb37f379e58a376b
[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" "a0c1d98089bed29f38a8bd0a1b75f489d620fb287f742e37eb37f379e58a376b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c1d98089bed29f38a8bd0a1b75f489d620fb287f742e37eb37f379e58a376b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c1d98089bed29f38a8bd0a1b75f489d620fb287f742e37eb37f379e58a376b", kill_on_drop: false }`
[INFO] [stdout] a0c1d98089bed29f38a8bd0a1b75f489d620fb287f742e37eb37f379e58a376b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1dea878a8327c96e87d8a046745068f9010dccfde43b74aeb0a8abb54ac5b1e
[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" "c1dea878a8327c96e87d8a046745068f9010dccfde43b74aeb0a8abb54ac5b1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indoc-impl v0.3.5
[INFO] [stderr]     Checking indoc v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.85s
[INFO] running `Command { std: "docker" "inspect" "c1dea878a8327c96e87d8a046745068f9010dccfde43b74aeb0a8abb54ac5b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1dea878a8327c96e87d8a046745068f9010dccfde43b74aeb0a8abb54ac5b1e", kill_on_drop: false }`
[INFO] [stdout] c1dea878a8327c96e87d8a046745068f9010dccfde43b74aeb0a8abb54ac5b1e