[INFO] cloning repository https://github.com/JoshuaRadin37/secure_com
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshuaRadin37/secure_com" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2Fsecure_com", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2Fsecure_com'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04121a62179a2a72781939926a8a0de582e821f3
[INFO] checking JoshuaRadin37/secure_com against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2Fsecure_com" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshuaRadin37/secure_com on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshuaRadin37/secure_com
[INFO] finished tweaking git repo https://github.com/JoshuaRadin37/secure_com
[INFO] tweaked toml for git repo https://github.com/JoshuaRadin37/secure_com written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshuaRadin37/secure_com already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pipe v0.4.0
[INFO] [stderr]   Downloaded readwrite v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6fcd8c4ce0446339535492d99b49eae6d93446682a707edc67f6d8dbb494dc0
[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" "d6fcd8c4ce0446339535492d99b49eae6d93446682a707edc67f6d8dbb494dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6fcd8c4ce0446339535492d99b49eae6d93446682a707edc67f6d8dbb494dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fcd8c4ce0446339535492d99b49eae6d93446682a707edc67f6d8dbb494dc0", kill_on_drop: false }`
[INFO] [stdout] d6fcd8c4ce0446339535492d99b49eae6d93446682a707edc67f6d8dbb494dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09e319dc4af6f1be9bec71174ed8138fd1191dc1a1e8abde9bd9bf746fe8fd5
[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" "b09e319dc4af6f1be9bec71174ed8138fd1191dc1a1e8abde9bd9bf746fe8fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking pipe v0.4.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking secure_communication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/encryption/mod.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead, BufReader, BufWriter, Read, Write};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AESReader`, `AESWriter`
[INFO] [stdout]   --> src/encryption/mod.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::encryption::aes::aes_stream::{AESReader, AESWriter};
[INFO] [stdout]    |                                          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AESReader`, `AESWriter`
[INFO] [stdout]  --> src/handshake.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::encryption::aes::aes_stream::{AESWriter, AESReader};
[INFO] [stdout]   |                                          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RSAKeys`
[INFO] [stdout]  --> src/handshake.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::encryption::rsa::{RSAWriter, RSAKeys, RSAKeysGenerator, RSAReader};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handshake_start`
[INFO] [stdout]  --> src/handshake.rs:9:72
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::encryption::unsecure::{send_public_key, receive_public_key, handshake_start};
[INFO] [stdout]   |                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/encryption/mod.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead, BufReader, BufWriter, Read, Write};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AESReader`, `AESWriter`
[INFO] [stdout]   --> src/encryption/mod.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::encryption::aes::aes_stream::{AESReader, AESWriter};
[INFO] [stdout]    |                                          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::FromUtf8Error`
[INFO] [stdout]   --> src/encryption/./aes_stream.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use std::string::FromUtf8Error;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AESReader`, `AESWriter`
[INFO] [stdout]  --> src/handshake.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::encryption::aes::aes_stream::{AESWriter, AESReader};
[INFO] [stdout]   |                                          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RSAKeys`
[INFO] [stdout]  --> src/handshake.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::encryption::rsa::{RSAWriter, RSAKeys, RSAKeysGenerator, RSAReader};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handshake_start`
[INFO] [stdout]  --> src/handshake.rs:9:72
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::encryption::unsecure::{send_public_key, receive_public_key, handshake_start};
[INFO] [stdout]   |                                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/handshake.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]   --> src/handshake.rs:70:44
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use std::net::{TcpStream, TcpListener, SocketAddr};
[INFO] [stdout]    |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/encryption/rsa.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |             if let (Some(n), Some(e)) = (captures.get(1), captures.get(2)) {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/encryption/rsa.rs:152:35
[INFO] [stdout]     |
[INFO] [stdout] 152 |             if let (Some(n), Some(e)) = (captures.get(1), captures.get(2)) {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/encryption/mod.rs:124:76
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...Read>(server_nonce: &String, writer: &mut RSAWriter<W>, reader: &mut RSAReader<R>) -> std::io::Result<bool> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/encryption/rsa.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |             if let (Some(n), Some(e)) = (captures.get(1), captures.get(2)) {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/encryption/rsa.rs:152:35
[INFO] [stdout]     |
[INFO] [stdout] 152 |             if let (Some(n), Some(e)) = (captures.get(1), captures.get(2)) {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/encryption/./aes_stream.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let length = reader.read_to_string(&mut string).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/encryption/mod.rs:124:76
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...Read>(server_nonce: &String, writer: &mut RSAWriter<W>, reader: &mut RSAReader<R>) -> std::io::Result<bool> {
[INFO] [stdout]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "b09e319dc4af6f1be9bec71174ed8138fd1191dc1a1e8abde9bd9bf746fe8fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09e319dc4af6f1be9bec71174ed8138fd1191dc1a1e8abde9bd9bf746fe8fd5", kill_on_drop: false }`
[INFO] [stdout] b09e319dc4af6f1be9bec71174ed8138fd1191dc1a1e8abde9bd9bf746fe8fd5