[INFO] cloning repository https://github.com/ChristophWurst/nn_async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristophWurst/nn_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristophWurst%2Fnn_async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristophWurst%2Fnn_async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80ac2bc888c9038711b85a30ddcc6cbb343b00a0
[INFO] checking ChristophWurst/nn_async against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristophWurst%2Fnn_async" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristophWurst/nn_async on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChristophWurst/nn_async
[INFO] finished tweaking git repo https://github.com/ChristophWurst/nn_async
[INFO] tweaked toml for git repo https://github.com/ChristophWurst/nn_async written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristophWurst/nn_async already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] af3a2304631d3b017f02af8a651ece84bbcd3c6e66f86022f35f9db4ea3f347f
[INFO] running `Command { std: "docker" "start" "-a" "af3a2304631d3b017f02af8a651ece84bbcd3c6e66f86022f35f9db4ea3f347f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af3a2304631d3b017f02af8a651ece84bbcd3c6e66f86022f35f9db4ea3f347f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3a2304631d3b017f02af8a651ece84bbcd3c6e66f86022f35f9db4ea3f347f", kill_on_drop: false }`
[INFO] [stdout] af3a2304631d3b017f02af8a651ece84bbcd3c6e66f86022f35f9db4ea3f347f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b1a704a4f3811cb6b1da61bcefb7a7b65b6287936141d95c7834f90a7b2d13
[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" "f5b1a704a4f3811cb6b1da61bcefb7a7b65b6287936141d95c7834f90a7b2d13", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking nn_async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "f5b1a704a4f3811cb6b1da61bcefb7a7b65b6287936141d95c7834f90a7b2d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b1a704a4f3811cb6b1da61bcefb7a7b65b6287936141d95c7834f90a7b2d13", kill_on_drop: false }`
[INFO] [stdout] f5b1a704a4f3811cb6b1da61bcefb7a7b65b6287936141d95c7834f90a7b2d13