[INFO] cloning repository https://github.com/rychan14/sample-rust-tcpstream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rychan14/sample-rust-tcpstream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frychan14%2Fsample-rust-tcpstream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frychan14%2Fsample-rust-tcpstream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f097d7fc81aa54e973888a4b7cf1db362f7532
[INFO] testing rychan14/sample-rust-tcpstream against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frychan14%2Fsample-rust-tcpstream" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rychan14/sample-rust-tcpstream on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rychan14/sample-rust-tcpstream
[INFO] finished tweaking git repo https://github.com/rychan14/sample-rust-tcpstream
[INFO] tweaked toml for git repo https://github.com/rychan14/sample-rust-tcpstream written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/rychan14/sample-rust-tcpstream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 654502fe3a8d71da774e28f505ef5f465c0d4153052bf2897ca40d811e1ba747
[INFO] running `Command { std: "docker" "start" "-a" "654502fe3a8d71da774e28f505ef5f465c0d4153052bf2897ca40d811e1ba747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "654502fe3a8d71da774e28f505ef5f465c0d4153052bf2897ca40d811e1ba747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654502fe3a8d71da774e28f505ef5f465c0d4153052bf2897ca40d811e1ba747", kill_on_drop: false }`
[INFO] [stdout] 654502fe3a8d71da774e28f505ef5f465c0d4153052bf2897ca40d811e1ba747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9145941062abf45dad5546631c4d8a97ff0f514d4b5016960855e766a6cfaf57
[INFO] running `Command { std: "docker" "start" "-a" "9145941062abf45dad5546631c4d8a97ff0f514d4b5016960855e766a6cfaf57", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "9145941062abf45dad5546631c4d8a97ff0f514d4b5016960855e766a6cfaf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9145941062abf45dad5546631c4d8a97ff0f514d4b5016960855e766a6cfaf57", kill_on_drop: false }`
[INFO] [stdout] 9145941062abf45dad5546631c4d8a97ff0f514d4b5016960855e766a6cfaf57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afa1ed747e87e009944269f7bc36553f9ddd89949d1f1e0dbf8beab335c1e44d
[INFO] running `Command { std: "docker" "start" "-a" "afa1ed747e87e009944269f7bc36553f9ddd89949d1f1e0dbf8beab335c1e44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "afa1ed747e87e009944269f7bc36553f9ddd89949d1f1e0dbf8beab335c1e44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa1ed747e87e009944269f7bc36553f9ddd89949d1f1e0dbf8beab335c1e44d", kill_on_drop: false }`
[INFO] [stdout] afa1ed747e87e009944269f7bc36553f9ddd89949d1f1e0dbf8beab335c1e44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71a1bee4b3ef944a0ea850bb7c1775ee1048f6e074cd821bcccb6ee11c4fcb64
[INFO] running `Command { std: "docker" "start" "-a" "71a1bee4b3ef944a0ea850bb7c1775ee1048f6e074cd821bcccb6ee11c4fcb64", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat-98a4662202f3454d)
[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" "71a1bee4b3ef944a0ea850bb7c1775ee1048f6e074cd821bcccb6ee11c4fcb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a1bee4b3ef944a0ea850bb7c1775ee1048f6e074cd821bcccb6ee11c4fcb64", kill_on_drop: false }`
[INFO] [stdout] 71a1bee4b3ef944a0ea850bb7c1775ee1048f6e074cd821bcccb6ee11c4fcb64