[INFO] cloning repository https://github.com/panicbit/zrsg_async_chat_demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panicbit/zrsg_async_chat_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fzrsg_async_chat_demo"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fzrsg_async_chat_demo'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39d0acb40e8dd8fb8f6fd6373b8ca088c795d361
[INFO] checking panicbit/zrsg_async_chat_demo against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fzrsg_async_chat_demo" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/panicbit/zrsg_async_chat_demo on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/panicbit/zrsg_async_chat_demo
[INFO] finished tweaking git repo https://github.com/panicbit/zrsg_async_chat_demo
[INFO] tweaked toml for git repo https://github.com/panicbit/zrsg_async_chat_demo written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/panicbit/zrsg_async_chat_demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37bb0c5d9cd71726e1ad4e63c6d8b034811729872999831622387c2cb889ff41
[INFO] running `"docker" "start" "-a" "37bb0c5d9cd71726e1ad4e63c6d8b034811729872999831622387c2cb889ff41"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking mime v0.3.2
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking tokio_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     ::std::thread::sleep_ms(10_000);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     ::std::thread::sleep_ms(10_000);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.74s
[INFO] running `"docker" "inspect" "37bb0c5d9cd71726e1ad4e63c6d8b034811729872999831622387c2cb889ff41"`
[INFO] running `"docker" "rm" "-f" "37bb0c5d9cd71726e1ad4e63c6d8b034811729872999831622387c2cb889ff41"`
[INFO] [stdout] 37bb0c5d9cd71726e1ad4e63c6d8b034811729872999831622387c2cb889ff41