[INFO] cloning repository https://github.com/northpole79/tcp_comms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/northpole79/tcp_comms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a943d47b88f905bf6ebe20c3d69d0308969d5739
[INFO] checking northpole79/tcp_comms against master#bd138e2ae11050ea9ca7a187345a1b606697a8db for pr-114933-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorthpole79%2Ftcp_comms" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/northpole79/tcp_comms on toolchain bd138e2ae11050ea9ca7a187345a1b606697a8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/northpole79/tcp_comms
[INFO] finished tweaking git repo https://github.com/northpole79/tcp_comms
[INFO] tweaked toml for git repo https://github.com/northpole79/tcp_comms written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8a8bf9bc373bb1ee40ef349a5015b492c980ac6956134d5b61b02d5685bbaaf
[INFO] running `Command { std: "docker" "start" "-a" "b8a8bf9bc373bb1ee40ef349a5015b492c980ac6956134d5b61b02d5685bbaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8a8bf9bc373bb1ee40ef349a5015b492c980ac6956134d5b61b02d5685bbaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a8bf9bc373bb1ee40ef349a5015b492c980ac6956134d5b61b02d5685bbaaf", kill_on_drop: false }`
[INFO] [stdout] b8a8bf9bc373bb1ee40ef349a5015b492c980ac6956134d5b61b02d5685bbaaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+bd138e2ae11050ea9ca7a187345a1b606697a8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f244821ccffd0e4c3ede57183a93510c97179d275e93c6f40c660d2c69d23e9e
[INFO] running `Command { std: "docker" "start" "-a" "f244821ccffd0e4c3ede57183a93510c97179d275e93c6f40c660d2c69d23e9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tcp_comms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[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 1.64s
[INFO] running `Command { std: "docker" "inspect" "f244821ccffd0e4c3ede57183a93510c97179d275e93c6f40c660d2c69d23e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f244821ccffd0e4c3ede57183a93510c97179d275e93c6f40c660d2c69d23e9e", kill_on_drop: false }`
[INFO] [stdout] f244821ccffd0e4c3ede57183a93510c97179d275e93c6f40c660d2c69d23e9e