[INFO] fetching crate pulldown-cmark-to-cmark 6.0.0...
[INFO] checking pulldown-cmark-to-cmark-6.0.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate pulldown-cmark-to-cmark 6.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pulldown-cmark-to-cmark 6.0.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded indoc v1.0.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", 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] 4aa10d7bc7d5cf2f5e024f5194242f7253cc0792439743b5415ac9ba7cc9e874
[INFO] running `Command { std: "docker" "start" "-a" "4aa10d7bc7d5cf2f5e024f5194242f7253cc0792439743b5415ac9ba7cc9e874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa10d7bc7d5cf2f5e024f5194242f7253cc0792439743b5415ac9ba7cc9e874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa10d7bc7d5cf2f5e024f5194242f7253cc0792439743b5415ac9ba7cc9e874", kill_on_drop: false }`
[INFO] [stdout] 4aa10d7bc7d5cf2f5e024f5194242f7253cc0792439743b5415ac9ba7cc9e874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56db638aaa40ac4d7109a202a6a3f10a13db10bf8f210aa7cb355daf02a064c
[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" "c56db638aaa40ac4d7109a202a6a3f10a13db10bf8f210aa7cb355daf02a064c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "c56db638aaa40ac4d7109a202a6a3f10a13db10bf8f210aa7cb355daf02a064c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56db638aaa40ac4d7109a202a6a3f10a13db10bf8f210aa7cb355daf02a064c", kill_on_drop: false }`
[INFO] [stdout] c56db638aaa40ac4d7109a202a6a3f10a13db10bf8f210aa7cb355daf02a064c