[INFO] cloning repository https://github.com/neu-inata/rust-network-client-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neu-inata/rust-network-client-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneu-inata%2Frust-network-client-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneu-inata%2Frust-network-client-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84b81dce6d7d8e96052305a01d99608accdc131c
[INFO] checking neu-inata/rust-network-client-test against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneu-inata%2Frust-network-client-test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neu-inata/rust-network-client-test on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neu-inata/rust-network-client-test
[INFO] finished tweaking git repo https://github.com/neu-inata/rust-network-client-test
[INFO] tweaked toml for git repo https://github.com/neu-inata/rust-network-client-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/neu-inata/rust-network-client-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 3df0af78333f610a456c4cf7afcd81e1666b3da9dbc6c3ea1d61eca3a095b42a
[INFO] running `Command { std: "docker" "start" "-a" "3df0af78333f610a456c4cf7afcd81e1666b3da9dbc6c3ea1d61eca3a095b42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df0af78333f610a456c4cf7afcd81e1666b3da9dbc6c3ea1d61eca3a095b42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df0af78333f610a456c4cf7afcd81e1666b3da9dbc6c3ea1d61eca3a095b42a", kill_on_drop: false }`
[INFO] [stdout] 3df0af78333f610a456c4cf7afcd81e1666b3da9dbc6c3ea1d61eca3a095b42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8fb9f8f5b760165efc6d4978e40abd0ab612e6ee3e6cba26e7f57a573dbf1a1
[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" "d8fb9f8f5b760165efc6d4978e40abd0ab612e6ee3e6cba26e7f57a573dbf1a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking TcpClient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |         stream = mem::uninitialized();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |         stream = mem::uninitialized();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `TcpClient` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tcp_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `TcpStream` does not permit being left uninitialized
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |         stream = mem::uninitialized();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this code causes undefined behavior when executed
[INFO] [stdout]    |                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::sys::unix::fd::FileDesc` must be initialized inside its custom valid range (in this struct field)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `TcpClient` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tcp_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `TcpStream` does not permit being left uninitialized
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |         stream = mem::uninitialized();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this code causes undefined behavior when executed
[INFO] [stdout]    |                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::sys::unix::fd::FileDesc` must be initialized inside its custom valid range (in this struct field)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "d8fb9f8f5b760165efc6d4978e40abd0ab612e6ee3e6cba26e7f57a573dbf1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fb9f8f5b760165efc6d4978e40abd0ab612e6ee3e6cba26e7f57a573dbf1a1", kill_on_drop: false }`
[INFO] [stdout] d8fb9f8f5b760165efc6d4978e40abd0ab612e6ee3e6cba26e7f57a573dbf1a1