[INFO] cloning repository https://github.com/MarcioOrdonez/tcp-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcioOrdonez/tcp-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcioOrdonez%2Ftcp-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcioOrdonez%2Ftcp-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 109dab1ace48b7598ad4ba12f6a2baab37f8b0f9
[INFO] checking MarcioOrdonez/tcp-chat against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcioOrdonez%2Ftcp-chat" "/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/MarcioOrdonez/tcp-chat on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcioOrdonez/tcp-chat
[INFO] finished tweaking git repo https://github.com/MarcioOrdonez/tcp-chat
[INFO] tweaked toml for git repo https://github.com/MarcioOrdonez/tcp-chat written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcioOrdonez/tcp-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a0b2b3a01c4ee61b0b4972c4ade46c62d1fb8cecb8758a24bb6b303cab17cc6
[INFO] running `Command { std: "docker" "start" "-a" "2a0b2b3a01c4ee61b0b4972c4ade46c62d1fb8cecb8758a24bb6b303cab17cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0b2b3a01c4ee61b0b4972c4ade46c62d1fb8cecb8758a24bb6b303cab17cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0b2b3a01c4ee61b0b4972c4ade46c62d1fb8cecb8758a24bb6b303cab17cc6", kill_on_drop: false }`
[INFO] [stdout] 2a0b2b3a01c4ee61b0b4972c4ade46c62d1fb8cecb8758a24bb6b303cab17cc6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f84e8f14dd4db5246f3df94da2ad466bc9da3290ee584a5f46dedd1d82c0987f
[INFO] running `Command { std: "docker" "start" "-a" "f84e8f14dd4db5246f3df94da2ad466bc9da3290ee584a5f46dedd1d82c0987f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking tcp-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.44s
[INFO] running `Command { std: "docker" "inspect" "f84e8f14dd4db5246f3df94da2ad466bc9da3290ee584a5f46dedd1d82c0987f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84e8f14dd4db5246f3df94da2ad466bc9da3290ee584a5f46dedd1d82c0987f", kill_on_drop: false }`
[INFO] [stdout] f84e8f14dd4db5246f3df94da2ad466bc9da3290ee584a5f46dedd1d82c0987f