[INFO] cloning repository https://github.com/jakearmendariz/client_cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakearmendariz/client_cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakearmendariz%2Fclient_cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakearmendariz%2Fclient_cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7249cfa0b2953836bf4e924a177ff19d750332af
[INFO] testing jakearmendariz/client_cli against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakearmendariz%2Fclient_cli" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakearmendariz/client_cli on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakearmendariz/client_cli
[INFO] finished tweaking git repo https://github.com/jakearmendariz/client_cli
[INFO] tweaked toml for git repo https://github.com/jakearmendariz/client_cli written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jakearmendariz/client_cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8afa185009c585a0bb854924449292730c751ac8e4b9a8d687bc3672fac941ca
[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" "8afa185009c585a0bb854924449292730c751ac8e4b9a8d687bc3672fac941ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8afa185009c585a0bb854924449292730c751ac8e4b9a8d687bc3672fac941ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afa185009c585a0bb854924449292730c751ac8e4b9a8d687bc3672fac941ca", kill_on_drop: false }`
[INFO] [stdout] 8afa185009c585a0bb854924449292730c751ac8e4b9a8d687bc3672fac941ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2bb5be28d16e0c78fbe416e9f6bf6d379cd2e1d0ca16f0b4aeaf07f1b919a2
[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" "ab2bb5be28d16e0c78fbe416e9f6bf6d379cd2e1d0ca16f0b4aeaf07f1b919a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0 (https://github.com/servo/rust-url#a46bec6e)
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0 (https://github.com/servo/rust-url#a46bec6e)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling idna v0.2.0 (https://github.com/servo/rust-url#a46bec6e)
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling url v2.1.1 (https://github.com/servo/rust-url#a46bec6e)
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `error_codes`
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SslConnector`, `SslMethod`
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use openssl::ssl::{SslMethod, SslConnector};
[INFO] [stdout]   |                    ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ddos.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stdout]  --> src/ddos.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Error, ErrorKind};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/ddos.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total`
[INFO] [stdout]   --> src/ddos.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut total = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/ddos.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut buffer = vec![0 as u8; 4096];
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/ddos.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for id in 0..requests {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]   --> src/ddos.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn request_to(request_id:u16,requests:u16) -> Result<u16,io::Error> {
[INFO] [stdout]    |               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ddos.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut total = 0;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/ddos.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut buffer = vec![0 as u8; 4096];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error_codes`
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.98s
[INFO] running `Command { std: "docker" "inspect" "ab2bb5be28d16e0c78fbe416e9f6bf6d379cd2e1d0ca16f0b4aeaf07f1b919a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2bb5be28d16e0c78fbe416e9f6bf6d379cd2e1d0ca16f0b4aeaf07f1b919a2", kill_on_drop: false }`
[INFO] [stdout] ab2bb5be28d16e0c78fbe416e9f6bf6d379cd2e1d0ca16f0b4aeaf07f1b919a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e930cd69cb203eb767b9be5de3cd3facf4191c8ec6561a221d89e48c77aa9fe4
[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" "e930cd69cb203eb767b9be5de3cd3facf4191c8ec6561a221d89e48c77aa9fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `error_codes`
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SslConnector`, `SslMethod`
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use openssl::ssl::{SslMethod, SslConnector};
[INFO] [stdout]   |                    ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ddos.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stdout]  --> src/ddos.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Error, ErrorKind};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/ddos.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total`
[INFO] [stdout]   --> src/ddos.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut total = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/ddos.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut buffer = vec![0 as u8; 4096];
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/ddos.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for id in 0..requests {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]   --> src/ddos.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn request_to(request_id:u16,requests:u16) -> Result<u16,io::Error> {
[INFO] [stdout]    |               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error_codes`
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ddos.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut total = 0;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/ddos.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut buffer = vec![0 as u8; 4096];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error_codes`
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e930cd69cb203eb767b9be5de3cd3facf4191c8ec6561a221d89e48c77aa9fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e930cd69cb203eb767b9be5de3cd3facf4191c8ec6561a221d89e48c77aa9fe4", kill_on_drop: false }`
[INFO] [stdout] e930cd69cb203eb767b9be5de3cd3facf4191c8ec6561a221d89e48c77aa9fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b9371430efc153fe6c034ff592a46553a4fa8a66957c5d26f638e5cf0cb7bb7
[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" "0b9371430efc153fe6c034ff592a46553a4fa8a66957c5d26f638e5cf0cb7bb7", 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] [stdout] 
[INFO] [stderr] warning: field is never read: `error_codes`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:157:5
[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] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stdout] 
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `error_codes`
[INFO] [stderr]    --> src/lib.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SslConnector`, `SslMethod`
[INFO] [stderr]  --> src/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use openssl::ssl::{SslMethod, SslConnector};
[INFO] [stderr]   |                    ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/ddos.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/ddos.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Error, ErrorKind};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/ddos.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total`
[INFO] [stderr]   --> src/ddos.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut total = 0;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/ddos.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let mut buffer = vec![0 as u8; 4096];
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/ddos.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     for id in 0..requests {
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request_id`
[INFO] [stderr]   --> src/ddos.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn request_to(request_id:u16,requests:u16) -> Result<u16,io::Error> {
[INFO] [stderr]    |               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ddos.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut total = 0;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/ddos.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let mut buffer = vec![0 as u8; 4096];
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `error_codes`
[INFO] [stderr]    --> src/lib.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub error_codes:HashSet<io::Error>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-7241302f10bd7b88)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-755000001a9d49f0)
[INFO] [stderr]    Doc-tests client
[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" "0b9371430efc153fe6c034ff592a46553a4fa8a66957c5d26f638e5cf0cb7bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9371430efc153fe6c034ff592a46553a4fa8a66957c5d26f638e5cf0cb7bb7", kill_on_drop: false }`
[INFO] [stdout] 0b9371430efc153fe6c034ff592a46553a4fa8a66957c5d26f638e5cf0cb7bb7