[INFO] fetching crate lmake_md_to_doc_comments 0.5.5...
[INFO] checking lmake_md_to_doc_comments-0.5.5 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate lmake_md_to_doc_comments 0.5.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lmake_md_to_doc_comments 0.5.5 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 lmake_md_to_doc_comments 0.5.5
[INFO] finished tweaking crates.io crate lmake_md_to_doc_comments 0.5.5
[INFO] tweaked toml for crates.io crate lmake_md_to_doc_comments 0.5.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lmake_md_to_doc_comments 0.5.5 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] 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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] fc06afc572c77e5747cc5056c4e52d2ff374631526d0e49a7d2cc1088ff2e7b8
[INFO] running `Command { std: "docker" "start" "-a" "fc06afc572c77e5747cc5056c4e52d2ff374631526d0e49a7d2cc1088ff2e7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc06afc572c77e5747cc5056c4e52d2ff374631526d0e49a7d2cc1088ff2e7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc06afc572c77e5747cc5056c4e52d2ff374631526d0e49a7d2cc1088ff2e7b8", kill_on_drop: false }`
[INFO] [stdout] fc06afc572c77e5747cc5056c4e52d2ff374631526d0e49a7d2cc1088ff2e7b8
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72486d3476ba45ac5bf2dfe60db79477d0e8553fc64f27281fd329bac669af8a
[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" "72486d3476ba45ac5bf2dfe60db79477d0e8553fc64f27281fd329bac669af8a", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking lmake_md_to_doc_comments v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "72486d3476ba45ac5bf2dfe60db79477d0e8553fc64f27281fd329bac669af8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72486d3476ba45ac5bf2dfe60db79477d0e8553fc64f27281fd329bac669af8a", kill_on_drop: false }`
[INFO] [stdout] 72486d3476ba45ac5bf2dfe60db79477d0e8553fc64f27281fd329bac669af8a