[INFO] cloning repository https://github.com/stephan-cr/xclient-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephan-cr/xclient-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Fxclient-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Fxclient-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce2d6eee7d753cd88b0a8de0960867f3b5495d94
[INFO] testing stephan-cr/xclient-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephan-cr%2Fxclient-rs" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stephan-cr/xclient-rs 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 git repo https://github.com/stephan-cr/xclient-rs
[INFO] finished tweaking git repo https://github.com/stephan-cr/xclient-rs
[INFO] tweaked toml for git repo https://github.com/stephan-cr/xclient-rs written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/stephan-cr/xclient-rs already has a lockfile, it will not be regenerated
[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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 53ce49a32e0ec22ef0bcf4d37cf169fd6f860bd9ed245e2a8b786189717c3597
[INFO] running `Command { std: "docker" "start" "-a" "53ce49a32e0ec22ef0bcf4d37cf169fd6f860bd9ed245e2a8b786189717c3597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ce49a32e0ec22ef0bcf4d37cf169fd6f860bd9ed245e2a8b786189717c3597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ce49a32e0ec22ef0bcf4d37cf169fd6f860bd9ed245e2a8b786189717c3597", kill_on_drop: false }`
[INFO] [stdout] 53ce49a32e0ec22ef0bcf4d37cf169fd6f860bd9ed245e2a8b786189717c3597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 406e70176a31d2e1729184eae3aa885d67946e6e4e8862c0b3b1f38fa4158d2c
[INFO] running `Command { std: "docker" "start" "-a" "406e70176a31d2e1729184eae3aa885d67946e6e4e8862c0b3b1f38fa4158d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling enumflags2_derive v0.7.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling enumflags2 v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling xclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:892:9
[INFO] [stdout]     |
[INFO] [stdout] 835 | /         loop {
[INFO] [stdout] 836 | |             // Every reply contains a 32-bit length field expressed in units
[INFO] [stdout] 837 | |             // of four bytes. Every reply consists of 32 bytes followed by
[INFO] [stdout] 838 | |             // zero or more additional bytes of data, as specified in the
[INFO] [stdout] ...   |
[INFO] [stdout] 889 | |             }
[INFO] [stdout] 890 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 891 | 
[INFO] [stdout] 892 |           Ok::<(), u32>(())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:878:33
[INFO] [stdout]     |
[INFO] [stdout] 878 | ...                   one_tx.send(response_buf.split_to(43).freeze());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:881:33
[INFO] [stdout]     |
[INFO] [stdout] 881 | ...                   one_tx.send(response_buf.split_to(31).freeze());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "406e70176a31d2e1729184eae3aa885d67946e6e4e8862c0b3b1f38fa4158d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406e70176a31d2e1729184eae3aa885d67946e6e4e8862c0b3b1f38fa4158d2c", kill_on_drop: false }`
[INFO] [stdout] 406e70176a31d2e1729184eae3aa885d67946e6e4e8862c0b3b1f38fa4158d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 446f72953e8e0168eb8f41b0e3bdab216f0bda696a121ad9f2153cc64232cb3a
[INFO] running `Command { std: "docker" "start" "-a" "446f72953e8e0168eb8f41b0e3bdab216f0bda696a121ad9f2153cc64232cb3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling xclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:892:9
[INFO] [stdout]     |
[INFO] [stdout] 835 | /         loop {
[INFO] [stdout] 836 | |             // Every reply contains a 32-bit length field expressed in units
[INFO] [stdout] 837 | |             // of four bytes. Every reply consists of 32 bytes followed by
[INFO] [stdout] 838 | |             // zero or more additional bytes of data, as specified in the
[INFO] [stdout] ...   |
[INFO] [stdout] 889 | |             }
[INFO] [stdout] 890 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 891 | 
[INFO] [stdout] 892 |           Ok::<(), u32>(())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:878:33
[INFO] [stdout]     |
[INFO] [stdout] 878 | ...                   one_tx.send(response_buf.split_to(43).freeze());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:881:33
[INFO] [stdout]     |
[INFO] [stdout] 881 | ...                   one_tx.send(response_buf.split_to(31).freeze());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "446f72953e8e0168eb8f41b0e3bdab216f0bda696a121ad9f2153cc64232cb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446f72953e8e0168eb8f41b0e3bdab216f0bda696a121ad9f2153cc64232cb3a", kill_on_drop: false }`
[INFO] [stdout] 446f72953e8e0168eb8f41b0e3bdab216f0bda696a121ad9f2153cc64232cb3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 1df04f1452386faff13534c448a82883f2b089ae55aa620edee0e09f9ddbda7b
[INFO] running `Command { std: "docker" "start" "-a" "1df04f1452386faff13534c448a82883f2b089ae55aa620edee0e09f9ddbda7b", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:892:9
[INFO] [stderr]     |
[INFO] [stderr] 835 | /         loop {
[INFO] [stderr] 836 | |             // Every reply contains a 32-bit length field expressed in units
[INFO] [stderr] 837 | |             // of four bytes. Every reply consists of 32 bytes followed by
[INFO] [stderr] 838 | |             // zero or more additional bytes of data, as specified in the
[INFO] [stderr] ...   |
[INFO] [stderr] 889 | |             }
[INFO] [stderr] 890 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 891 | 
[INFO] [stderr] 892 |           Ok::<(), u32>(())
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:878:33
[INFO] [stderr]     |
[INFO] [stderr] 878 | ...                   one_tx.send(response_buf.split_to(43).freeze());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:881:33
[INFO] [stderr]     |
[INFO] [stderr] 881 | ...                   one_tx.send(response_buf.split_to(31).freeze());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `xclient` (bin "xclient" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xclient-d8ae5c9912684039)
[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" "1df04f1452386faff13534c448a82883f2b089ae55aa620edee0e09f9ddbda7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df04f1452386faff13534c448a82883f2b089ae55aa620edee0e09f9ddbda7b", kill_on_drop: false }`
[INFO] [stdout] 1df04f1452386faff13534c448a82883f2b089ae55aa620edee0e09f9ddbda7b