Dec 18 07:56:18.600 INFO checking Dieff/not-a-backdoor against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:56:18.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Dieff/not-a-backdoor:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:56:19.020 INFO [stdout] 795f242b6ae08cb9d67942d2a9c015fbc38a699cda15d740a97e8a8b5712ee06
Dec 18 07:56:19.026 INFO running `"docker" "start" "-a" "795f242b6ae08cb9d67942d2a9c015fbc38a699cda15d740a97e8a8b5712ee06"`
Dec 18 07:56:19.729 INFO [stderr]    Compiling sys-info v0.5.6
Dec 18 07:56:19.732 INFO [stderr]     Checking mio v0.6.15
Dec 18 07:56:19.735 INFO [stderr]     Checking stderrlog v0.4.1
Dec 18 07:56:21.185 INFO [stderr]     Checking not-a-backdoor v0.1.0 (/opt/crater/workdir)
Dec 18 07:56:21.736 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 18 07:56:21.736 INFO [stderr]  --> src/lib_server/eventloop.rs:2:5
Dec 18 07:56:21.736 INFO [stderr]   |
Dec 18 07:56:21.736 INFO [stderr] 2 | use std::fmt::Display;
Dec 18 07:56:21.736 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 07:56:21.736 INFO [stderr] warning: unused import: `sleep`
Dec 18 07:56:21.736 INFO [stderr]  --> src/lib_client/senders/udp.rs:8:19
Dec 18 07:56:21.736 INFO [stderr]   |
Dec 18 07:56:21.736 INFO [stderr] 8 | use std::thread::{sleep, spawn};
Dec 18 07:56:21.736 INFO [stderr]   |                   ^^^^^
Dec 18 07:56:21.736 INFO [stderr]   |
Dec 18 07:56:21.736 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:56:21.736 INFO [stderr] 
Dec 18 07:56:21.736 INFO [stderr]   |
Dec 18 07:56:21.736 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:56:21.736 INFO [stderr] 
Dec 18 07:56:21.755 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 18 07:56:21.755 INFO [stderr]  --> src/lib_server/eventloop.rs:2:5
Dec 18 07:56:21.755 INFO [stderr]   |
Dec 18 07:56:21.755 INFO [stderr] 2 | use std::fmt::Display;
Dec 18 07:56:21.755 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 07:56:21.755 INFO [stderr]   |
Dec 18 07:56:21.755 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:56:21.755 INFO [stderr] 
Dec 18 07:56:21.764 INFO [stderr] warning: unused import: `sleep`
Dec 18 07:56:21.764 INFO [stderr]  --> src/lib_client/senders/udp.rs:8:19
Dec 18 07:56:21.764 INFO [stderr]   |
Dec 18 07:56:21.764 INFO [stderr] 8 | use std::thread::{sleep, spawn};
Dec 18 07:56:21.764 INFO [stderr]   |                   ^^^^^
Dec 18 07:56:21.764 INFO [stderr]   |
Dec 18 07:56:21.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:56:21.764 INFO [stderr] 
Dec 18 07:56:21.956 INFO [stderr] warning: unused variable: `err`
Dec 18 07:56:21.956 INFO [stderr]   --> src/lib_server/udp.rs:78:21
Dec 18 07:56:21.956 INFO [stderr]    |
Dec 18 07:56:21.956 INFO [stderr] 78 |                 Err(err) => {
Dec 18 07:56:21.956 INFO [stderr]    |                     ^^^ help: consider using `_err` instead
Dec 18 07:56:21.956 INFO [stderr]    |
Dec 18 07:56:21.956 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:56:21.956 INFO [stderr] 
Dec 18 07:56:21.994 INFO [stderr] warning: unused variable: `err`
Dec 18 07:56:21.994 INFO [stderr]   --> src/lib_server/udp.rs:78:21
Dec 18 07:56:21.994 INFO [stderr]    |
Dec 18 07:56:21.995 INFO [stderr] 78 |                 Err(err) => {
Dec 18 07:56:21.995 INFO [stderr]    |                     ^^^ help: consider using `_err` instead
Dec 18 07:56:21.995 INFO [stderr]    |
Dec 18 07:56:21.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:56:21.995 INFO [stderr] 
Dec 18 07:56:22.078 INFO [stderr] warning: field is never used: `sent`
Dec 18 07:56:22.078 INFO [stderr]  --> src/lib_server/client_tracker.rs:9:3
Dec 18 07:56:22.078 INFO [stderr]   |
Dec 18 07:56:22.078 INFO [stderr] 9 |   sent: i64,
Dec 18 07:56:22.078 INFO [stderr]   |   ^^^^^^^^^
Dec 18 07:56:22.078 INFO [stderr]   |
Dec 18 07:56:22.078 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:56:22.078 INFO [stderr] 
Dec 18 07:56:22.078 INFO [stderr] warning: field is never used: `recieved`
Dec 18 07:56:22.078 INFO [stderr]   --> src/lib_server/client_tracker.rs:10:3
Dec 18 07:56:22.078 INFO [stderr]    |
Dec 18 07:56:22.078 INFO [stderr] 10 |   recieved: i64,
Dec 18 07:56:22.078 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 18 07:56:22.078 INFO [stderr] 
Dec 18 07:56:22.078 INFO [stderr] warning: field is never used: `ip`
Dec 18 07:56:22.078 INFO [stderr]   --> src/lib_server/client_tracker.rs:32:3
Dec 18 07:56:22.078 INFO [stderr]    |
Dec 18 07:56:22.078 INFO [stderr] 32 |   ip: IpAddr,
Dec 18 07:56:22.078 INFO [stderr]    |   ^^^^^^^^^^
Dec 18 07:56:22.078 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] warning: field is never used: `os`
Dec 18 07:56:22.079 INFO [stderr]   --> src/lib_server/client_tracker.rs:33:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 33 |   os: String,
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `get_elapsed`
Dec 18 07:56:22.079 INFO [stderr]   --> src/lib_server/client_tracker.rs:51:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 51 |   fn get_elapsed(&self) -> Duration {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `from_input`
Dec 18 07:56:22.079 INFO [stderr]   --> src/net_messages.rs:11:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 11 |   pub fn from_input(input: String, id: usize) -> Command {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `add_output`
Dec 18 07:56:22.079 INFO [stderr]   --> src/net_messages.rs:19:3
Dec 18 07:56:22.079 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 19 |   pub fn add_output(&mut self, output: String) {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `from_str`
Dec 18 07:56:22.079 INFO [stderr]   --> src/net_messages.rs:31:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 31 |   pub fn from_str(string: String) -> Result<ClientToServer, serde_json::Error> {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `from_cmds`
Dec 18 07:56:22.079 INFO [stderr]   --> src/net_messages.rs:34:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 34 |   pub fn from_cmds(id: String, commands: Vec<Command>) -> ClientToServer {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `from_cmds`
Dec 18 07:56:22.079 INFO [stderr]   --> src/net_messages.rs:48:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 48 |   pub fn from_cmds(commands: Vec<Command>) -> ServerToClient {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.079 INFO [stderr] warning: method is never used: `from_str`
Dec 18 07:56:22.079 INFO [stderr]   --> src/net_messages.rs:45:3
Dec 18 07:56:22.079 INFO [stderr]    |
Dec 18 07:56:22.079 INFO [stderr] 45 |   pub fn from_str(string: String) -> Result<ServerToClient, serde_json::Error> {
Dec 18 07:56:22.079 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.079 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: field is never used: `sent`
Dec 18 07:56:22.140 INFO [stderr]  --> src/lib_server/client_tracker.rs:9:3
Dec 18 07:56:22.140 INFO [stderr]   |
Dec 18 07:56:22.140 INFO [stderr] 9 |   sent: i64,
Dec 18 07:56:22.140 INFO [stderr]   |   ^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr]   |
Dec 18 07:56:22.140 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: field is never used: `recieved`
Dec 18 07:56:22.140 INFO [stderr]   --> src/lib_server/client_tracker.rs:10:3
Dec 18 07:56:22.140 INFO [stderr]    |
Dec 18 07:56:22.140 INFO [stderr] 10 |   recieved: i64,
Dec 18 07:56:22.140 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: field is never used: `ip`
Dec 18 07:56:22.140 INFO [stderr]   --> src/lib_server/client_tracker.rs:32:3
Dec 18 07:56:22.140 INFO [stderr]    |
Dec 18 07:56:22.140 INFO [stderr] 32 |   ip: IpAddr,
Dec 18 07:56:22.140 INFO [stderr]    |   ^^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: field is never used: `os`
Dec 18 07:56:22.140 INFO [stderr]   --> src/lib_server/client_tracker.rs:33:3
Dec 18 07:56:22.140 INFO [stderr]    |
Dec 18 07:56:22.140 INFO [stderr] 33 |   os: String,
Dec 18 07:56:22.140 INFO [stderr]    |   ^^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: method is never used: `get_elapsed`
Dec 18 07:56:22.140 INFO [stderr]   --> src/lib_server/client_tracker.rs:51:3
Dec 18 07:56:22.140 INFO [stderr]    |
Dec 18 07:56:22.140 INFO [stderr] 51 |   fn get_elapsed(&self) -> Duration {
Dec 18 07:56:22.140 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: method is never used: `add_output`
Dec 18 07:56:22.140 INFO [stderr]   --> src/net_messages.rs:19:3
Dec 18 07:56:22.140 INFO [stderr]    |
Dec 18 07:56:22.140 INFO [stderr] 19 |   pub fn add_output(&mut self, output: String) {
Dec 18 07:56:22.140 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.140 INFO [stderr] warning: method is never used: `from_cmds`
Dec 18 07:56:22.140 INFO [stderr]   --> src/net_messages.rs:34:3
Dec 18 07:56:22.140 INFO [stderr]    |
Dec 18 07:56:22.140 INFO [stderr] 34 |   pub fn from_cmds(id: String, commands: Vec<Command>) -> ClientToServer {
Dec 18 07:56:22.140 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.140 INFO [stderr] 
Dec 18 07:56:22.141 INFO [stderr] warning: method is never used: `from_str`
Dec 18 07:56:22.141 INFO [stderr]   --> src/net_messages.rs:45:3
Dec 18 07:56:22.141 INFO [stderr]    |
Dec 18 07:56:22.141 INFO [stderr] 45 |   pub fn from_str(string: String) -> Result<ServerToClient, serde_json::Error> {
Dec 18 07:56:22.141 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.141 INFO [stderr] 
Dec 18 07:56:22.156 INFO [stderr] warning: method is never used: `from_input`
Dec 18 07:56:22.156 INFO [stderr]   --> src/net_messages.rs:11:3
Dec 18 07:56:22.156 INFO [stderr]    |
Dec 18 07:56:22.156 INFO [stderr] 11 |   pub fn from_input(input: String, id: usize) -> Command {
Dec 18 07:56:22.156 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.156 INFO [stderr]    |
Dec 18 07:56:22.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:56:22.156 INFO [stderr] 
Dec 18 07:56:22.156 INFO [stderr] warning: method is never used: `from_str`
Dec 18 07:56:22.156 INFO [stderr]   --> src/net_messages.rs:31:3
Dec 18 07:56:22.156 INFO [stderr]    |
Dec 18 07:56:22.156 INFO [stderr] 31 |   pub fn from_str(string: String) -> Result<ClientToServer, serde_json::Error> {
Dec 18 07:56:22.156 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.156 INFO [stderr] 
Dec 18 07:56:22.156 INFO [stderr] warning: method is never used: `from_cmds`
Dec 18 07:56:22.156 INFO [stderr]   --> src/net_messages.rs:48:3
Dec 18 07:56:22.156 INFO [stderr]    |
Dec 18 07:56:22.156 INFO [stderr] 48 |   pub fn from_cmds(commands: Vec<Command>) -> ServerToClient {
Dec 18 07:56:22.156 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:22.156 INFO [stderr] 
Dec 18 07:56:22.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Dec 18 07:56:22.510 INFO running `"docker" "inspect" "795f242b6ae08cb9d67942d2a9c015fbc38a699cda15d740a97e8a8b5712ee06"`
Dec 18 07:56:22.676 INFO running `"docker" "rm" "-f" "795f242b6ae08cb9d67942d2a9c015fbc38a699cda15d740a97e8a8b5712ee06"`
Dec 18 07:56:22.878 INFO [stdout] 795f242b6ae08cb9d67942d2a9c015fbc38a699cda15d740a97e8a8b5712ee06