[INFO] cloning repository https://github.com/LaurenceM10/tokio-tcp-stream
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LaurenceM10/tokio-tcp-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurenceM10%2Ftokio-tcp-stream"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurenceM10%2Ftokio-tcp-stream'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fbacb83f7b46cfa3cadf18a90ffdbf2a226a717
[INFO] checking LaurenceM10/tokio-tcp-stream against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaurenceM10%2Ftokio-tcp-stream" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LaurenceM10/tokio-tcp-stream on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LaurenceM10/tokio-tcp-stream
[INFO] finished tweaking git repo https://github.com/LaurenceM10/tokio-tcp-stream
[INFO] tweaked toml for git repo https://github.com/LaurenceM10/tokio-tcp-stream written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/LaurenceM10/tokio-tcp-stream already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 60bb24422dbc3bd916f0f98e4657b78fc919d0d133f00fdd47f53cf6d51fd08d
[INFO] running `"docker" "start" "-a" "60bb24422dbc3bd916f0f98e4657b78fc919d0d133f00fdd47f53cf6d51fd08d"`
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tokio_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let client = TcpStream::connect(&addr);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let client = TcpStream::connect(&addr);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.77s
[INFO] running `"docker" "inspect" "60bb24422dbc3bd916f0f98e4657b78fc919d0d133f00fdd47f53cf6d51fd08d"`
[INFO] running `"docker" "rm" "-f" "60bb24422dbc3bd916f0f98e4657b78fc919d0d133f00fdd47f53cf6d51fd08d"`
[INFO] [stdout] 60bb24422dbc3bd916f0f98e4657b78fc919d0d133f00fdd47f53cf6d51fd08d