[INFO] fetching crate json-tcp-server 0.0.0...
[INFO] testing json-tcp-server-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate json-tcp-server 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate json-tcp-server 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-tcp-server 0.0.0
[INFO] finished tweaking crates.io crate json-tcp-server 0.0.0
[INFO] tweaked toml for crates.io crate json-tcp-server 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf964e8d08d2c6bbf95a682d442ebfed82a24ce6e10cd67feb2b2d9fbf3436d
[INFO] running `Command { std: "docker" "start" "-a" "edf964e8d08d2c6bbf95a682d442ebfed82a24ce6e10cd67feb2b2d9fbf3436d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf964e8d08d2c6bbf95a682d442ebfed82a24ce6e10cd67feb2b2d9fbf3436d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf964e8d08d2c6bbf95a682d442ebfed82a24ce6e10cd67feb2b2d9fbf3436d", kill_on_drop: false }`
[INFO] [stdout] edf964e8d08d2c6bbf95a682d442ebfed82a24ce6e10cd67feb2b2d9fbf3436d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f4227a8b24ccb5e1527df00840fad6b26f242f2fc89691091cedecab1cdced0
[INFO] running `Command { std: "docker" "start" "-a" "1f4227a8b24ccb5e1527df00840fad6b26f242f2fc89691091cedecab1cdced0", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-tcp-server v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "1f4227a8b24ccb5e1527df00840fad6b26f242f2fc89691091cedecab1cdced0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4227a8b24ccb5e1527df00840fad6b26f242f2fc89691091cedecab1cdced0", kill_on_drop: false }`
[INFO] [stdout] 1f4227a8b24ccb5e1527df00840fad6b26f242f2fc89691091cedecab1cdced0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb59d1b597dacd2460e5b378194fa570d2b773eb2078bceebb093ed23c4c2717
[INFO] running `Command { std: "docker" "start" "-a" "eb59d1b597dacd2460e5b378194fa570d2b773eb2078bceebb093ed23c4c2717", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-tcp-server v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "eb59d1b597dacd2460e5b378194fa570d2b773eb2078bceebb093ed23c4c2717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb59d1b597dacd2460e5b378194fa570d2b773eb2078bceebb093ed23c4c2717", kill_on_drop: false }`
[INFO] [stdout] eb59d1b597dacd2460e5b378194fa570d2b773eb2078bceebb093ed23c4c2717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d15283b1ac3c74055da1bf0e449fa36acfdb597cd56e0d900a8d24b76b7257e
[INFO] running `Command { std: "docker" "start" "-a" "3d15283b1ac3c74055da1bf0e449fa36acfdb597cd56e0d900a8d24b76b7257e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_tcp_server-555133f412742023)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-tcp-server
[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" "3d15283b1ac3c74055da1bf0e449fa36acfdb597cd56e0d900a8d24b76b7257e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d15283b1ac3c74055da1bf0e449fa36acfdb597cd56e0d900a8d24b76b7257e", kill_on_drop: false }`
[INFO] [stdout] 3d15283b1ac3c74055da1bf0e449fa36acfdb597cd56e0d900a8d24b76b7257e