[INFO] cloning repository https://github.com/pythoneer/ffic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pythoneer/ffic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpythoneer%2Fffic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpythoneer%2Fffic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4140e0e48e8d22eba69686655b875531b75464b
[INFO] checking pythoneer/ffic against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpythoneer%2Fffic" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pythoneer/ffic on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pythoneer/ffic
[INFO] finished tweaking git repo https://github.com/pythoneer/ffic
[INFO] tweaked toml for git repo https://github.com/pythoneer/ffic written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/pythoneer/ffic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88010174311c55e251c67807f9465aac45d2342f0f561ce60c8ac7359ea2733d
[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" "88010174311c55e251c67807f9465aac45d2342f0f561ce60c8ac7359ea2733d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88010174311c55e251c67807f9465aac45d2342f0f561ce60c8ac7359ea2733d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88010174311c55e251c67807f9465aac45d2342f0f561ce60c8ac7359ea2733d", kill_on_drop: false }`
[INFO] [stdout] 88010174311c55e251c67807f9465aac45d2342f0f561ce60c8ac7359ea2733d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70674b3a94b716d2397d2c018e32c51943ba51aa40cc4f75c96ba36ccd28aef
[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" "c70674b3a94b716d2397d2c018e32c51943ba51aa40cc4f75c96ba36ccd28aef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.35
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]    Compiling ffic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: ar: `u' modifier ignored since `D' is the default (see `U')
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "c70674b3a94b716d2397d2c018e32c51943ba51aa40cc4f75c96ba36ccd28aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70674b3a94b716d2397d2c018e32c51943ba51aa40cc4f75c96ba36ccd28aef", kill_on_drop: false }`
[INFO] [stdout] c70674b3a94b716d2397d2c018e32c51943ba51aa40cc4f75c96ba36ccd28aef