[INFO] fetching crate doc-comment 0.3.3...
[INFO] checking doc-comment-0.3.3 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate doc-comment 0.3.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate doc-comment 0.3.3 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doc-comment 0.3.3
[INFO] finished tweaking crates.io crate doc-comment 0.3.3
[INFO] tweaked toml for crates.io crate doc-comment 0.3.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a02de1f681ce574c48e1e6fdc7c44276b00925ee7bf1aed10d6f89a0da2fd5e
[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" "6a02de1f681ce574c48e1e6fdc7c44276b00925ee7bf1aed10d6f89a0da2fd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a02de1f681ce574c48e1e6fdc7c44276b00925ee7bf1aed10d6f89a0da2fd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a02de1f681ce574c48e1e6fdc7c44276b00925ee7bf1aed10d6f89a0da2fd5e", kill_on_drop: false }`
[INFO] [stdout] 6a02de1f681ce574c48e1e6fdc7c44276b00925ee7bf1aed10d6f89a0da2fd5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f065b27268bd6cdb534d518f9ab9cef9d31268fe6ee0500685c80fd087e86417
[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" "f065b27268bd6cdb534d518f9ab9cef9d31268fe6ee0500685c80fd087e86417", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "f065b27268bd6cdb534d518f9ab9cef9d31268fe6ee0500685c80fd087e86417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f065b27268bd6cdb534d518f9ab9cef9d31268fe6ee0500685c80fd087e86417", kill_on_drop: false }`
[INFO] [stdout] f065b27268bd6cdb534d518f9ab9cef9d31268fe6ee0500685c80fd087e86417