[INFO] cloning repository https://github.com/skyhuihui/tcpserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skyhuihui/tcpserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyhuihui%2Ftcpserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyhuihui%2Ftcpserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8057dfcb8c175f9372e5d35da3c47391a86c27a7
[INFO] testing skyhuihui/tcpserver against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyhuihui%2Ftcpserver" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skyhuihui/tcpserver on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skyhuihui/tcpserver
[INFO] finished tweaking git repo https://github.com/skyhuihui/tcpserver
[INFO] tweaked toml for git repo https://github.com/skyhuihui/tcpserver written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/skyhuihui/tcpserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc6b008c4a09a82a0beccb04013b8e041af39ee9a0ea0af4d576b5e5b71a7c3
[INFO] running `Command { std: "docker" "start" "-a" "ecc6b008c4a09a82a0beccb04013b8e041af39ee9a0ea0af4d576b5e5b71a7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc6b008c4a09a82a0beccb04013b8e041af39ee9a0ea0af4d576b5e5b71a7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc6b008c4a09a82a0beccb04013b8e041af39ee9a0ea0af4d576b5e5b71a7c3", kill_on_drop: false }`
[INFO] [stdout] ecc6b008c4a09a82a0beccb04013b8e041af39ee9a0ea0af4d576b5e5b71a7c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47b0339813ee039e2252bd52d94a0fb5fc03effced0028746f0fc9b6f656f33
[INFO] running `Command { std: "docker" "start" "-a" "b47b0339813ee039e2252bd52d94a0fb5fc03effced0028746f0fc9b6f656f33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcpserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b47b0339813ee039e2252bd52d94a0fb5fc03effced0028746f0fc9b6f656f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47b0339813ee039e2252bd52d94a0fb5fc03effced0028746f0fc9b6f656f33", kill_on_drop: false }`
[INFO] [stdout] b47b0339813ee039e2252bd52d94a0fb5fc03effced0028746f0fc9b6f656f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1059aeecdb00c21369a9c2bf9fb64b02e0825d9f5ffebb3045e85b7748e56446
[INFO] running `Command { std: "docker" "start" "-a" "1059aeecdb00c21369a9c2bf9fb64b02e0825d9f5ffebb3045e85b7748e56446", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1059aeecdb00c21369a9c2bf9fb64b02e0825d9f5ffebb3045e85b7748e56446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1059aeecdb00c21369a9c2bf9fb64b02e0825d9f5ffebb3045e85b7748e56446", kill_on_drop: false }`
[INFO] [stdout] 1059aeecdb00c21369a9c2bf9fb64b02e0825d9f5ffebb3045e85b7748e56446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abccc8d1b929af7fda3d8f2786c45815a10e4d647d37f8a2538775005af9c198
[INFO] running `Command { std: "docker" "start" "-a" "abccc8d1b929af7fda3d8f2786c45815a10e4d647d37f8a2538775005af9c198", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:24:30
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 24 |             Err(e) => panic!(e),
[INFO] [stdout] 
[INFO] [stderr]    |                              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Err(e) => panic!("{}", e),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Err(e) => std::panic::panic_any(e),
[INFO] [stderr]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `tcpserver` (bin "tcpserver" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcpserver-d041523fc1c01929)
[INFO] running `Command { std: "docker" "inspect" "abccc8d1b929af7fda3d8f2786c45815a10e4d647d37f8a2538775005af9c198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abccc8d1b929af7fda3d8f2786c45815a10e4d647d37f8a2538775005af9c198", kill_on_drop: false }`
[INFO] [stdout] abccc8d1b929af7fda3d8f2786c45815a10e4d647d37f8a2538775005af9c198