[INFO] cloning repository https://github.com/bhc8521/rust_tcp_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhc8521/rust_tcp_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhc8521%2Frust_tcp_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhc8521%2Frust_tcp_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4687731afc997814f942ab9f593295aa1528efaf
[INFO] testing bhc8521/rust_tcp_server against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhc8521%2Frust_tcp_server" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bhc8521/rust_tcp_server on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bhc8521/rust_tcp_server
[INFO] finished tweaking git repo https://github.com/bhc8521/rust_tcp_server
[INFO] tweaked toml for git repo https://github.com/bhc8521/rust_tcp_server written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/bhc8521/rust_tcp_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07582735f7f350864f089620afb6fb1cfdfc072866e6d69f16872c3864e8b907
[INFO] running `Command { std: "docker" "start" "-a" "07582735f7f350864f089620afb6fb1cfdfc072866e6d69f16872c3864e8b907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07582735f7f350864f089620afb6fb1cfdfc072866e6d69f16872c3864e8b907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07582735f7f350864f089620afb6fb1cfdfc072866e6d69f16872c3864e8b907", kill_on_drop: false }`
[INFO] [stdout] 07582735f7f350864f089620afb6fb1cfdfc072866e6d69f16872c3864e8b907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260b0a34e93ef360766ff19df4e9d9f7bc35b699a855194aef7b3cc7c9a8d9db
[INFO] running `Command { std: "docker" "start" "-a" "260b0a34e93ef360766ff19df4e9d9f7bc35b699a855194aef7b3cc7c9a8d9db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "260b0a34e93ef360766ff19df4e9d9f7bc35b699a855194aef7b3cc7c9a8d9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260b0a34e93ef360766ff19df4e9d9f7bc35b699a855194aef7b3cc7c9a8d9db", kill_on_drop: false }`
[INFO] [stdout] 260b0a34e93ef360766ff19df4e9d9f7bc35b699a855194aef7b3cc7c9a8d9db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb9f4d1f3c2d0d5fed891033f3f82663467db7b86584bd4d1b72a59303bedde9
[INFO] running `Command { std: "docker" "start" "-a" "eb9f4d1f3c2d0d5fed891033f3f82663467db7b86584bd4d1b72a59303bedde9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "eb9f4d1f3c2d0d5fed891033f3f82663467db7b86584bd4d1b72a59303bedde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9f4d1f3c2d0d5fed891033f3f82663467db7b86584bd4d1b72a59303bedde9", kill_on_drop: false }`
[INFO] [stdout] eb9f4d1f3c2d0d5fed891033f3f82663467db7b86584bd4d1b72a59303bedde9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 151d198a68b68362748fb32a91dc3464b3c7739c3457468dc4a754a9d3eb7cf5
[INFO] running `Command { std: "docker" "start" "-a" "151d198a68b68362748fb32a91dc3464b3c7739c3457468dc4a754a9d3eb7cf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server-a0192b7a222166b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "151d198a68b68362748fb32a91dc3464b3c7739c3457468dc4a754a9d3eb7cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151d198a68b68362748fb32a91dc3464b3c7739c3457468dc4a754a9d3eb7cf5", kill_on_drop: false }`
[INFO] [stdout] 151d198a68b68362748fb32a91dc3464b3c7739c3457468dc4a754a9d3eb7cf5