[INFO] cloning repository https://github.com/naturalethic/tcpthing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naturalethic/tcpthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaturalethic%2Ftcpthing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaturalethic%2Ftcpthing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0631160d6ae79fd6e3bf633f727939845ba910e
[INFO] testing naturalethic/tcpthing against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaturalethic%2Ftcpthing" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naturalethic/tcpthing 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/naturalethic/tcpthing
[INFO] finished tweaking git repo https://github.com/naturalethic/tcpthing
[INFO] tweaked toml for git repo https://github.com/naturalethic/tcpthing written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/naturalethic/tcpthing 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] f3065ebf8f892b61bba3826a7591e89a73e137674ae88ff6e93712ea2f13be30
[INFO] running `Command { std: "docker" "start" "-a" "f3065ebf8f892b61bba3826a7591e89a73e137674ae88ff6e93712ea2f13be30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3065ebf8f892b61bba3826a7591e89a73e137674ae88ff6e93712ea2f13be30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3065ebf8f892b61bba3826a7591e89a73e137674ae88ff6e93712ea2f13be30", kill_on_drop: false }`
[INFO] [stdout] f3065ebf8f892b61bba3826a7591e89a73e137674ae88ff6e93712ea2f13be30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 5fce99d99761f8c08f8afe74491d5c4620a7d5698607bf14da5c22362ee567e6
[INFO] running `Command { std: "docker" "start" "-a" "5fce99d99761f8c08f8afe74491d5c4620a7d5698607bf14da5c22362ee567e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tcpthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `remote_keys`
[INFO] [stdout]   --> src/main.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |   let mut remote_keys: Vec<u8>;
[INFO] [stdout]    |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |       Ok(mut stream) => {
[INFO] [stdout]    |          ----^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.89s
[INFO] running `Command { std: "docker" "inspect" "5fce99d99761f8c08f8afe74491d5c4620a7d5698607bf14da5c22362ee567e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fce99d99761f8c08f8afe74491d5c4620a7d5698607bf14da5c22362ee567e6", kill_on_drop: false }`
[INFO] [stdout] 5fce99d99761f8c08f8afe74491d5c4620a7d5698607bf14da5c22362ee567e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] c834b08aee3f81bbff3338ae3bd81de5fccef412bfb551669e149257e1d72888
[INFO] running `Command { std: "docker" "start" "-a" "c834b08aee3f81bbff3338ae3bd81de5fccef412bfb551669e149257e1d72888", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `remote_keys`
[INFO] [stdout]   --> src/main.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |   let mut remote_keys: Vec<u8>;
[INFO] [stdout]    |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |       Ok(mut stream) => {
[INFO] [stdout]    |          ----^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c834b08aee3f81bbff3338ae3bd81de5fccef412bfb551669e149257e1d72888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c834b08aee3f81bbff3338ae3bd81de5fccef412bfb551669e149257e1d72888", kill_on_drop: false }`
[INFO] [stdout] c834b08aee3f81bbff3338ae3bd81de5fccef412bfb551669e149257e1d72888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 5ac97b1bbe7a556b953e41177edad86c3d840f2a450bc98054953a0f2e7f1a06
[INFO] running `Command { std: "docker" "start" "-a" "5ac97b1bbe7a556b953e41177edad86c3d840f2a450bc98054953a0f2e7f1a06", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `remote_keys`
[INFO] [stderr]   --> src/main.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |   let mut remote_keys: Vec<u8>;
[INFO] [stderr]    |           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote_keys`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 |       Ok(mut stream) => {
[INFO] [stderr]    |          ----^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcpthing` (bin "tcpthing" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcpthing-93def9f8ea56e5c8)
[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" "5ac97b1bbe7a556b953e41177edad86c3d840f2a450bc98054953a0f2e7f1a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac97b1bbe7a556b953e41177edad86c3d840f2a450bc98054953a0f2e7f1a06", kill_on_drop: false }`
[INFO] [stdout] 5ac97b1bbe7a556b953e41177edad86c3d840f2a450bc98054953a0f2e7f1a06