[INFO] cloning repository https://github.com/AnthonyHewins/one-time-pad-socket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnthonyHewins/one-time-pad-socket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyHewins%2Fone-time-pad-socket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyHewins%2Fone-time-pad-socket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7da72f0db12efb4f862c1b40e6cd2af07ad7f6b8
[INFO] testing AnthonyHewins/one-time-pad-socket against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyHewins%2Fone-time-pad-socket" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnthonyHewins/one-time-pad-socket on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnthonyHewins/one-time-pad-socket
[INFO] finished tweaking git repo https://github.com/AnthonyHewins/one-time-pad-socket
[INFO] tweaked toml for git repo https://github.com/AnthonyHewins/one-time-pad-socket written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/AnthonyHewins/one-time-pad-socket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a7c6864ff2119140867af6f297992a18a588cf16bc518037a8545dd9c806e08
[INFO] running `Command { std: "docker" "start" "-a" "1a7c6864ff2119140867af6f297992a18a588cf16bc518037a8545dd9c806e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7c6864ff2119140867af6f297992a18a588cf16bc518037a8545dd9c806e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7c6864ff2119140867af6f297992a18a588cf16bc518037a8545dd9c806e08", kill_on_drop: false }`
[INFO] [stdout] 1a7c6864ff2119140867af6f297992a18a588cf16bc518037a8545dd9c806e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f56910f9b54ccddd412b48a6eed255d07a7c9b5ee87131b5613e52e33bef50ce
[INFO] running `Command { std: "docker" "start" "-a" "f56910f9b54ccddd412b48a6eed255d07a7c9b5ee87131b5613e52e33bef50ce", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> util/src/fs.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         f.write_all(&bytes);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling onetimepad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Ipv4Addr`, `ToSocketAddrs`
[INFO] [stdout]  --> src/main.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, Ipv4Addr, ToSocketAddrs};
[INFO] [stdout]   |                            ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/keygen.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdout, Write, BufWriter};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/keygen.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if (kb_size > 100) {
[INFO] [stdout]   |        ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     if (kb_size > 100) {
[INFO] [stdout] 9 +     if kb_size > 100 {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::rngs::OsRng::new`: replace OsRng::new().unwrap() with just OsRng
[INFO] [stdout]  --> src/keygen.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut rng = OsRng::new().unwrap();
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/socket/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     file: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain_key`
[INFO] [stdout]   --> src/socket/internals.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub(super) fn drain_key(&mut self, len: usize) {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         keygen::to_stdout(args.keygen.unwrap());
[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/ftp.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     socket.read(&mut buf);
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/ftp.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file.read(buf);
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.22s
[INFO] running `Command { std: "docker" "inspect" "f56910f9b54ccddd412b48a6eed255d07a7c9b5ee87131b5613e52e33bef50ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56910f9b54ccddd412b48a6eed255d07a7c9b5ee87131b5613e52e33bef50ce", kill_on_drop: false }`
[INFO] [stdout] f56910f9b54ccddd412b48a6eed255d07a7c9b5ee87131b5613e52e33bef50ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8934b3457e588a45c5bb10c90a18fc81c6aa423a62991bbb6bfb8712ea7f3ad3
[INFO] running `Command { std: "docker" "start" "-a" "8934b3457e588a45c5bb10c90a18fc81c6aa423a62991bbb6bfb8712ea7f3ad3", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling onetimepad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> util/src/fs.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         f.write_all(&bytes);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ipv4Addr`, `ToSocketAddrs`
[INFO] [stdout]  --> src/main.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{SocketAddr, Ipv4Addr, ToSocketAddrs};
[INFO] [stdout]   |                            ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/keygen.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdout, Write, BufWriter};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/keygen.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if (kb_size > 100) {
[INFO] [stdout]   |        ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     if (kb_size > 100) {
[INFO] [stdout] 9 +     if kb_size > 100 {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::rngs::OsRng::new`: replace OsRng::new().unwrap() with just OsRng
[INFO] [stdout]  --> src/keygen.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut rng = OsRng::new().unwrap();
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/listener/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let client = TcpStream::connect(addr).unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]   --> src/listener/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let server = server_thread.join();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         keygen::to_stdout(args.keygen.unwrap());
[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/ftp.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     socket.read(&mut buf);
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/ftp.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file.read(buf);
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/onetimepad-6a8dd29f521b88f3)
[INFO] running `Command { std: "docker" "inspect" "8934b3457e588a45c5bb10c90a18fc81c6aa423a62991bbb6bfb8712ea7f3ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8934b3457e588a45c5bb10c90a18fc81c6aa423a62991bbb6bfb8712ea7f3ad3", kill_on_drop: false }`
[INFO] [stdout] 8934b3457e588a45c5bb10c90a18fc81c6aa423a62991bbb6bfb8712ea7f3ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d91fe2eb6fcfb5ca6b736b0063b97a66b20380df385cc1e1c0885ac167587a96
[INFO] running `Command { std: "docker" "start" "-a" "d91fe2eb6fcfb5ca6b736b0063b97a66b20380df385cc1e1c0885ac167587a96", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> util/src/fs.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         f.write_all(&bytes);
[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: `util` (lib) generated 1 warning
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `ToSocketAddrs`
[INFO] [stderr]  --> src/main.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{SocketAddr, Ipv4Addr, ToSocketAddrs};
[INFO] [stderr]   |                            ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/keygen.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{stdout, Write, BufWriter};
[INFO] [stderr]   |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/keygen.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     if (kb_size > 100) {
[INFO] [stderr]   |        ^             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 9 -     if (kb_size > 100) {
[INFO] [stderr] 9 +     if kb_size > 100 {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::rngs::OsRng::new`: replace OsRng::new().unwrap() with just OsRng
[INFO] [stderr]  --> src/keygen.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut rng = OsRng::new().unwrap();
[INFO] [stderr]   |                          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> src/listener/mod.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let client = TcpStream::connect(addr).unwrap();
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/listener/mod.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let server = server_thread.join();
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         keygen::to_stdout(args.keygen.unwrap());
[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/ftp.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.read(&mut buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/ftp.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     file.read(buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `onetimepad` (bin "onetimepad" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/onetimepad-6a8dd29f521b88f3)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test listener::tests::bind ... ok
[INFO] [stdout] test listener::tests::local_addr ... ok
[INFO] [stdout] test listener::tests::accept ... ok
[INFO] [stdout] test socket::internals::tests::test_xor_happy_path ... ok
[INFO] [stdout] test socket::internals::tests::test_xor_key_too_short ... ok
[INFO] [stdout] test socket::tests::connect_works ... ok
[INFO] [stdout] test socket::tests::new_works ... ok
[INFO] [stdout] test socket::internals::tests::it_drains_keyfile_bytes ... ok
[INFO] [stdout] test socket::internals::tests::drain_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d91fe2eb6fcfb5ca6b736b0063b97a66b20380df385cc1e1c0885ac167587a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91fe2eb6fcfb5ca6b736b0063b97a66b20380df385cc1e1c0885ac167587a96", kill_on_drop: false }`
[INFO] [stdout] d91fe2eb6fcfb5ca6b736b0063b97a66b20380df385cc1e1c0885ac167587a96