[INFO] cloning repository https://github.com/antage/netcat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antage/netcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantage%2Fnetcat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantage%2Fnetcat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17229a5c79e074b37a3836deb24e24b178f091b0 [INFO] testing antage/netcat against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantage%2Fnetcat" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/antage/netcat on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/antage/netcat [INFO] finished tweaking git repo https://github.com/antage/netcat [INFO] tweaked toml for git repo https://github.com/antage/netcat written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/antage/netcat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c21d00d1fd7d5ffe48401eecd40c37f9c0b2df7ac9a5401f6df533dd2e4436be [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c21d00d1fd7d5ffe48401eecd40c37f9c0b2df7ac9a5401f6df533dd2e4436be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c21d00d1fd7d5ffe48401eecd40c37f9c0b2df7ac9a5401f6df533dd2e4436be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c21d00d1fd7d5ffe48401eecd40c37f9c0b2df7ac9a5401f6df533dd2e4436be", kill_on_drop: false }` [INFO] [stdout] c21d00d1fd7d5ffe48401eecd40c37f9c0b2df7ac9a5401f6df533dd2e4436be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3c1de4f1321e2c526924befa9ee0b6796c2b09f9cf24aa69c5719d03a58f378 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d3c1de4f1321e2c526924befa9ee0b6796c2b09f9cf24aa69c5719d03a58f378", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling netcat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | let listener = try!(std::net::TcpListener::bind(("0.0.0.0", port))); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | let (mut stream, _) = try!(listener.accept()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:24:2 [INFO] [stdout] | [INFO] [stdout] 24 | try!(std::io::copy(&mut stream, &mut std::io::stdout())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:29:19 [INFO] [stdout] | [INFO] [stdout] 29 | let mut stream = try!(std::net::TcpStream::connect((hostname, port))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | try!(std::io::copy(&mut std::io::stdin(), &mut stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | let matches = try!(opts.parse(&args[1..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:66:20 [INFO] [stdout] | [INFO] [stdout] 66 | let port: u16 = try!(matches.free[1].parse()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/netcat/error.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/netcat/error.rs:34:33 [INFO] [stdout] | [INFO] [stdout] 34 | Error::PortParse(ref err) => std::error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/netcat/error.rs:31:39 [INFO] [stdout] | [INFO] [stdout] 31 | Error::GetoptsFail(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/netcat/error.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | Error::IO(ref err) => err.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.67s [INFO] running `Command { std: "docker" "inspect" "d3c1de4f1321e2c526924befa9ee0b6796c2b09f9cf24aa69c5719d03a58f378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3c1de4f1321e2c526924befa9ee0b6796c2b09f9cf24aa69c5719d03a58f378", kill_on_drop: false }` [INFO] [stdout] d3c1de4f1321e2c526924befa9ee0b6796c2b09f9cf24aa69c5719d03a58f378 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f773c46b1426ee07b58a7fe1541219dcd96cbe72e17d67f2a35c7412d13a104e [INFO] running `Command { std: "docker" "start" "-a" "f773c46b1426ee07b58a7fe1541219dcd96cbe72e17d67f2a35c7412d13a104e", kill_on_drop: false }` [INFO] [stderr] Compiling netcat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | let listener = try!(std::net::TcpListener::bind(("0.0.0.0", port))); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | let (mut stream, _) = try!(listener.accept()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:24:2 [INFO] [stdout] | [INFO] [stdout] 24 | try!(std::io::copy(&mut stream, &mut std::io::stdout())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:29:19 [INFO] [stdout] | [INFO] [stdout] 29 | let mut stream = try!(std::net::TcpStream::connect((hostname, port))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:30:2 [INFO] [stdout] | [INFO] [stdout] 30 | try!(std::io::copy(&mut std::io::stdin(), &mut stream)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | let matches = try!(opts.parse(&args[1..])); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/netcat/mod.rs:66:20 [INFO] [stdout] | [INFO] [stdout] 66 | let port: u16 = try!(matches.free[1].parse()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/netcat/error.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/netcat/error.rs:34:33 [INFO] [stdout] | [INFO] [stdout] 34 | Error::PortParse(ref err) => std::error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/netcat/error.rs:31:39 [INFO] [stdout] | [INFO] [stdout] 31 | Error::GetoptsFail(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/netcat/error.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | Error::IO(ref err) => err.description() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "f773c46b1426ee07b58a7fe1541219dcd96cbe72e17d67f2a35c7412d13a104e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f773c46b1426ee07b58a7fe1541219dcd96cbe72e17d67f2a35c7412d13a104e", kill_on_drop: false }` [INFO] [stdout] f773c46b1426ee07b58a7fe1541219dcd96cbe72e17d67f2a35c7412d13a104e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f3754978ef4346566e2c82e978865802273092c47bde8f56a21d29ab0b7927d9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f3754978ef4346566e2c82e978865802273092c47bde8f56a21d29ab0b7927d9", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | let listener = try!(std::net::TcpListener::bind(("0.0.0.0", port))); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:23:24 [INFO] [stderr] | [INFO] [stderr] 23 | let (mut stream, _) = try!(listener.accept()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:24:2 [INFO] [stderr] | [INFO] [stderr] 24 | try!(std::io::copy(&mut stream, &mut std::io::stdout())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:29:19 [INFO] [stderr] | [INFO] [stderr] 29 | let mut stream = try!(std::net::TcpStream::connect((hostname, port))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:30:2 [INFO] [stderr] | [INFO] [stderr] 30 | try!(std::io::copy(&mut std::io::stdin(), &mut stream)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:42:16 [INFO] [stderr] | [INFO] [stderr] 42 | let matches = try!(opts.parse(&args[1..])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:49:4 [INFO] [stderr] | [INFO] [stderr] 49 | try!( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | try!( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/netcat/mod.rs:66:20 [INFO] [stderr] | [INFO] [stderr] 66 | let port: u16 = try!(matches.free[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/netcat/error.rs:39:29 [INFO] [stderr] | [INFO] [stderr] 39 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/netcat/error.rs:34:33 [INFO] [stderr] | [INFO] [stderr] 34 | Error::PortParse(ref err) => std::error::Error::description(err), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/netcat/error.rs:31:39 [INFO] [stderr] | [INFO] [stderr] 31 | Error::GetoptsFail(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/netcat/error.rs:35:30 [INFO] [stderr] | [INFO] [stderr] 35 | Error::IO(ref err) => err.description() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/netcat-52b2edbae265c68c [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f3754978ef4346566e2c82e978865802273092c47bde8f56a21d29ab0b7927d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3754978ef4346566e2c82e978865802273092c47bde8f56a21d29ab0b7927d9", kill_on_drop: false }` [INFO] [stdout] f3754978ef4346566e2c82e978865802273092c47bde8f56a21d29ab0b7927d9