[INFO] cloning repository https://github.com/javonlee22/rust-tcp-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/javonlee22/rust-tcp-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavonlee22%2Frust-tcp-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavonlee22%2Frust-tcp-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65dde98560654544e590c2ddecaedcad04801ab2
[INFO] testing javonlee22/rust-tcp-client against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavonlee22%2Frust-tcp-client" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/javonlee22/rust-tcp-client 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/javonlee22/rust-tcp-client
[INFO] finished tweaking git repo https://github.com/javonlee22/rust-tcp-client
[INFO] tweaked toml for git repo https://github.com/javonlee22/rust-tcp-client written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/javonlee22/rust-tcp-client 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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 1b8ebe2f673749cf05f57338b3ab1a56ec62d1c5f07341e81d76edd5d9d564da
[INFO] running `Command { std: "docker" "start" "-a" "1b8ebe2f673749cf05f57338b3ab1a56ec62d1c5f07341e81d76edd5d9d564da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8ebe2f673749cf05f57338b3ab1a56ec62d1c5f07341e81d76edd5d9d564da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8ebe2f673749cf05f57338b3ab1a56ec62d1c5f07341e81d76edd5d9d564da", kill_on_drop: false }`
[INFO] [stdout] 1b8ebe2f673749cf05f57338b3ab1a56ec62d1c5f07341e81d76edd5d9d564da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] e8a1d168bcdf50519ab321e57fc53a1249119ceb1cf1c2cad5931a11e992454b
[INFO] running `Command { std: "docker" "start" "-a" "e8a1d168bcdf50519ab321e57fc53a1249119ceb1cf1c2cad5931a11e992454b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e8a1d168bcdf50519ab321e57fc53a1249119ceb1cf1c2cad5931a11e992454b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a1d168bcdf50519ab321e57fc53a1249119ceb1cf1c2cad5931a11e992454b", kill_on_drop: false }`
[INFO] [stdout] e8a1d168bcdf50519ab321e57fc53a1249119ceb1cf1c2cad5931a11e992454b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] bafe57e161f803ae12e86514090c2635b7b75953ea7a9c1968fa4fd7ff642795
[INFO] running `Command { std: "docker" "start" "-a" "bafe57e161f803ae12e86514090c2635b7b75953ea7a9c1968fa4fd7ff642795", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcp-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 38.39s
[INFO] running `Command { std: "docker" "inspect" "bafe57e161f803ae12e86514090c2635b7b75953ea7a9c1968fa4fd7ff642795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafe57e161f803ae12e86514090c2635b7b75953ea7a9c1968fa4fd7ff642795", kill_on_drop: false }`
[INFO] [stdout] bafe57e161f803ae12e86514090c2635b7b75953ea7a9c1968fa4fd7ff642795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] f6b8caa032f3fa93403bb5b0f3d6bf2953d21fcbc891e3c1a6c03ddb3b36057c
[INFO] running `Command { std: "docker" "start" "-a" "f6b8caa032f3fa93403bb5b0f3d6bf2953d21fcbc891e3c1a6c03ddb3b36057c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_client-c6cb4594585814ce)
[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" "f6b8caa032f3fa93403bb5b0f3d6bf2953d21fcbc891e3c1a6c03ddb3b36057c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b8caa032f3fa93403bb5b0f3d6bf2953d21fcbc891e3c1a6c03ddb3b36057c", kill_on_drop: false }`
[INFO] [stdout] f6b8caa032f3fa93403bb5b0f3d6bf2953d21fcbc891e3c1a6c03ddb3b36057c