[INFO] cloning repository https://github.com/nabeen/socket-programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nabeen/socket-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabeen%2Fsocket-programming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabeen%2Fsocket-programming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be8303bdcd702daf6c1895d012b72d0d9c7b4477
[INFO] checking nabeen/socket-programming against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabeen%2Fsocket-programming" "/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/nabeen/socket-programming on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nabeen/socket-programming
[INFO] finished tweaking git repo https://github.com/nabeen/socket-programming
[INFO] tweaked toml for git repo https://github.com/nabeen/socket-programming written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/nabeen/socket-programming already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21dffdcba52153740d7c9c999206e2a1760e80f6467fac8ec2d883dff3df714d
[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" "21dffdcba52153740d7c9c999206e2a1760e80f6467fac8ec2d883dff3df714d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21dffdcba52153740d7c9c999206e2a1760e80f6467fac8ec2d883dff3df714d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21dffdcba52153740d7c9c999206e2a1760e80f6467fac8ec2d883dff3df714d", kill_on_drop: false }`
[INFO] [stdout] 21dffdcba52153740d7c9c999206e2a1760e80f6467fac8ec2d883dff3df714d
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dbffbd21279102943b5dce57bb24fc4d738128fb2cc7f3220d781b1e70827a9
[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" "5dbffbd21279102943b5dce57bb24fc4d738128fb2cc7f3220d781b1e70827a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking socket-programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.19s
[INFO] running `Command { std: "docker" "inspect" "5dbffbd21279102943b5dce57bb24fc4d738128fb2cc7f3220d781b1e70827a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbffbd21279102943b5dce57bb24fc4d738128fb2cc7f3220d781b1e70827a9", kill_on_drop: false }`
[INFO] [stdout] 5dbffbd21279102943b5dce57bb24fc4d738128fb2cc7f3220d781b1e70827a9