[INFO] cloning repository https://github.com/Jswizzy/hello-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jswizzy/hello-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fhello-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fhello-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a109ab1da2c720e8ab75e08f4893aebe180c0283
[INFO] checking Jswizzy/hello-tokio against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fhello-tokio" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jswizzy/hello-tokio on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jswizzy/hello-tokio
[INFO] finished tweaking git repo https://github.com/Jswizzy/hello-tokio
[INFO] tweaked toml for git repo https://github.com/Jswizzy/hello-tokio written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Jswizzy/hello-tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 0d63ba45a2cbe27d513b36bda3369b455e05970d85b45cda6f84b7c676a8b389
[INFO] running `Command { std: "docker" "start" "-a" "0d63ba45a2cbe27d513b36bda3369b455e05970d85b45cda6f84b7c676a8b389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d63ba45a2cbe27d513b36bda3369b455e05970d85b45cda6f84b7c676a8b389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d63ba45a2cbe27d513b36bda3369b455e05970d85b45cda6f84b7c676a8b389", kill_on_drop: false }`
[INFO] [stdout] 0d63ba45a2cbe27d513b36bda3369b455e05970d85b45cda6f84b7c676a8b389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b32e0b7de3c3fad85f5c519f3de597ad71f03bb7ea712d256fc5acdce46231d
[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" "2b32e0b7de3c3fad85f5c519f3de597ad71f03bb7ea712d256fc5acdce46231d", kill_on_drop: false }`
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking tokio-executor v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking tokio-timer v0.2.5
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking hello-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.37s
[INFO] running `Command { std: "docker" "inspect" "2b32e0b7de3c3fad85f5c519f3de597ad71f03bb7ea712d256fc5acdce46231d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b32e0b7de3c3fad85f5c519f3de597ad71f03bb7ea712d256fc5acdce46231d", kill_on_drop: false }`
[INFO] [stdout] 2b32e0b7de3c3fad85f5c519f3de597ad71f03bb7ea712d256fc5acdce46231d