[INFO] cloning repository https://github.com/Dieff/not-a-backdoor
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dieff/not-a-backdoor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDieff%2Fnot-a-backdoor"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDieff%2Fnot-a-backdoor'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de6f98867b194620ee820ba854b75c09361192ea
[INFO] checking Dieff/not-a-backdoor against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDieff%2Fnot-a-backdoor" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dieff/not-a-backdoor on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dieff/not-a-backdoor
[INFO] finished tweaking git repo https://github.com/Dieff/not-a-backdoor
[INFO] tweaked toml for git repo https://github.com/Dieff/not-a-backdoor written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Dieff/not-a-backdoor already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e31d4f4278cc5c6364a49cc2077256d681533e117806ac57a3106db42bbb378
[INFO] running `"docker" "start" "-a" "2e31d4f4278cc5c6364a49cc2077256d681533e117806ac57a3106db42bbb378"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling sys-info v0.5.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking not-a-backdoor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `sleep`
[INFO] [stderr]  --> src/lib_client/senders/udp.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread::{sleep, spawn};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sleep`
[INFO] [stderr]  --> src/lib_client/senders/udp.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::thread::{sleep, spawn};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_input`
[INFO] [stderr]   --> src/net_messages.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn from_input(input: String, id: usize) -> Command {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/net_messages.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn from_str(string: String) -> Result<ClientToServer, serde_json::Error> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_cmds`
[INFO] [stderr]   --> src/net_messages.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn from_cmds(commands: Vec<Command>) -> ServerToClient {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/lib_server/eventloop.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib_server/eventloop.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub reply: Box<Fn(net_messages::ServerToClient) + Send>,
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(net_messages::ServerToClient) + Send`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/lib_server/eventloop.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib_server/eventloop.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub reply: Box<Fn(net_messages::ServerToClient) + Send>,
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(net_messages::ServerToClient) + Send`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/lib_server/udp.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 Err(err) => {
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_input`
[INFO] [stderr]   --> src/net_messages.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn from_input(input: String, id: usize) -> Command {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/net_messages.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn from_str(string: String) -> Result<ClientToServer, serde_json::Error> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_cmds`
[INFO] [stderr]   --> src/net_messages.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn from_cmds(commands: Vec<Command>) -> ServerToClient {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sent`
[INFO] [stderr]  --> src/lib_server/client_tracker.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   sent: i64,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `recieved`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   recieved: i64,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ip`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |   ip: IpAddr,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `os`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   os: String,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_elapsed`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |   fn get_elapsed(&self) -> Duration {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_output`
[INFO] [stderr]   --> src/net_messages.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn add_output(&mut self, output: String) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_cmds`
[INFO] [stderr]   --> src/net_messages.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |   pub fn from_cmds(id: String, commands: Vec<Command>) -> ClientToServer {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/net_messages.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |   pub fn from_str(string: String) -> Result<ServerToClient, serde_json::Error> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/lib_server/udp.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 Err(err) => {
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sent`
[INFO] [stderr]  --> src/lib_server/client_tracker.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   sent: i64,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `recieved`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   recieved: i64,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ip`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |   ip: IpAddr,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `os`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   os: String,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_elapsed`
[INFO] [stderr]   --> src/lib_server/client_tracker.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |   fn get_elapsed(&self) -> Duration {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_output`
[INFO] [stderr]   --> src/net_messages.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn add_output(&mut self, output: String) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_cmds`
[INFO] [stderr]   --> src/net_messages.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |   pub fn from_cmds(id: String, commands: Vec<Command>) -> ClientToServer {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_str`
[INFO] [stderr]   --> src/net_messages.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |   pub fn from_str(string: String) -> Result<ServerToClient, serde_json::Error> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.71s
[INFO] running `"docker" "inspect" "2e31d4f4278cc5c6364a49cc2077256d681533e117806ac57a3106db42bbb378"`
[INFO] running `"docker" "rm" "-f" "2e31d4f4278cc5c6364a49cc2077256d681533e117806ac57a3106db42bbb378"`
[INFO] [stdout] 2e31d4f4278cc5c6364a49cc2077256d681533e117806ac57a3106db42bbb378