[INFO] fetching crate oxidecord 0.0.1...
[INFO] testing oxidecord-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate oxidecord 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate oxidecord 0.0.1 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 crates.io crate oxidecord 0.0.1
[INFO] finished tweaking crates.io crate oxidecord 0.0.1
[INFO] tweaked toml for crates.io crate oxidecord 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7d10637480360664020ffd49861808d10743babd6eaa9b7fbe103deb016cee54
[INFO] running `Command { std: "docker" "start" "-a" "7d10637480360664020ffd49861808d10743babd6eaa9b7fbe103deb016cee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d10637480360664020ffd49861808d10743babd6eaa9b7fbe103deb016cee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d10637480360664020ffd49861808d10743babd6eaa9b7fbe103deb016cee54", kill_on_drop: false }`
[INFO] [stdout] 7d10637480360664020ffd49861808d10743babd6eaa9b7fbe103deb016cee54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 505d1166ad9479d001397b3fa5cd23aaa20d1b3c7f698a910455946b345e725c
[INFO] running `Command { std: "docker" "start" "-a" "505d1166ad9479d001397b3fa5cd23aaa20d1b3c7f698a910455946b345e725c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tungstenite v0.6.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling oxidecord v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/auth/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/auth/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/auth/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep`, `spawn`
[INFO] [stdout]  --> src/auth/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                   ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/auth/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::crossbeam_channel::unbounded`
[INFO] [stdout]   --> src/auth/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crossbeam::crossbeam_channel::unbounded;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/auth/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/auth/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/rest/mod.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout]   |                                ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn findgateway() -> Result<String, Box<std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/rest/mod.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn findgateway() -> Result<(String), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/auth/mod.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let now = time::Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq_num`
[INFO] [stdout]   --> src/auth/mod.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let seq_num = GLOBAL_SEQ_NUM.read().unwrap();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/auth/mod.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (mut socket, response) = connect(Url::parse(&rest::findgateway().unwrap()).unwrap())
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/auth/mod.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     handler.join();
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "505d1166ad9479d001397b3fa5cd23aaa20d1b3c7f698a910455946b345e725c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505d1166ad9479d001397b3fa5cd23aaa20d1b3c7f698a910455946b345e725c", kill_on_drop: false }`
[INFO] [stdout] 505d1166ad9479d001397b3fa5cd23aaa20d1b3c7f698a910455946b345e725c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 25ba8afa32e4b2d5e9de23ebbf1699ed4a7cbbfd648c9b27f22a9f1de6ca3d7f
[INFO] running `Command { std: "docker" "start" "-a" "25ba8afa32e4b2d5e9de23ebbf1699ed4a7cbbfd648c9b27f22a9f1de6ca3d7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/auth/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/auth/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/auth/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep`, `spawn`
[INFO] [stdout]  --> src/auth/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                   ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/auth/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::crossbeam_channel::unbounded`
[INFO] [stdout]   --> src/auth/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crossbeam::crossbeam_channel::unbounded;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/auth/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/auth/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/rest/mod.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout]   |                                ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn findgateway() -> Result<String, Box<std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/rest/mod.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn findgateway() -> Result<(String), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/auth/mod.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let now = time::Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq_num`
[INFO] [stdout]   --> src/auth/mod.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let seq_num = GLOBAL_SEQ_NUM.read().unwrap();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling oxidecord v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/auth/mod.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (mut socket, response) = connect(Url::parse(&rest::findgateway().unwrap()).unwrap())
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/auth/mod.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     handler.join();
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/auth/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/auth/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/auth/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sleep`, `spawn`
[INFO] [stdout]  --> src/auth/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                   ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/auth/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::crossbeam_channel::unbounded`
[INFO] [stdout]   --> src/auth/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crossbeam::crossbeam_channel::unbounded;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/auth/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/auth/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/rest/mod.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout]   |                                ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn findgateway() -> Result<String, Box<std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/rest/mod.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stdout] 5 + pub fn findgateway() -> Result<(String), Box<dyn std::error::Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/auth/mod.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let now = time::Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq_num`
[INFO] [stdout]   --> src/auth/mod.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |             let seq_num = GLOBAL_SEQ_NUM.read().unwrap();
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/auth/mod.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (mut socket, response) = connect(Url::parse(&rest::findgateway().unwrap()).unwrap())
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/auth/mod.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     handler.join();
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.13s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/oxidecord-7c7943c0cc1e06e8)
[INFO] running `Command { std: "docker" "inspect" "25ba8afa32e4b2d5e9de23ebbf1699ed4a7cbbfd648c9b27f22a9f1de6ca3d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ba8afa32e4b2d5e9de23ebbf1699ed4a7cbbfd648c9b27f22a9f1de6ca3d7f", kill_on_drop: false }`
[INFO] [stdout] 25ba8afa32e4b2d5e9de23ebbf1699ed4a7cbbfd648c9b27f22a9f1de6ca3d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2f064fc84e328cd1e3bdaedb798f2dbed0ce3d148c6990d22bf69422c024799e
[INFO] running `Command { std: "docker" "start" "-a" "2f064fc84e328cd1e3bdaedb798f2dbed0ce3d148c6990d22bf69422c024799e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/auth/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/auth/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/auth/mod.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `sleep`, `spawn`
[INFO] [stderr]  --> src/auth/mod.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread::{spawn, sleep};
[INFO] [stderr]   |                   ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]   --> src/auth/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::borrow::BorrowMut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crossbeam::crossbeam_channel::unbounded`
[INFO] [stderr]   --> src/auth/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crossbeam::crossbeam_channel::unbounded;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]   --> src/auth/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::rc::Rc;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/auth/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/rest/mod.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stderr]   |                                ^      ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stderr] 5 + pub fn findgateway() -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/rest/mod.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stderr]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stderr] 5 + pub fn findgateway() -> Result<(String), Box<dyn std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/auth/mod.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let now = time::Instant::now();
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `seq_num`
[INFO] [stderr]   --> src/auth/mod.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let seq_num = GLOBAL_SEQ_NUM.read().unwrap();
[INFO] [stderr]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `response`
[INFO] [stderr]   --> src/auth/mod.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let (mut socket, response) = connect(Url::parse(&rest::findgateway().unwrap()).unwrap())
[INFO] [stderr]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/auth/mod.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     handler.join();
[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: `oxidecord` (lib) generated 14 warnings
[INFO] [stderr] warning: `oxidecord` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/oxidecord-7c7943c0cc1e06e8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oxidecord
[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] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]  --> /opt/rustwide/workdir/src/rest/mod.rs:5:32
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stderr]   |                                ^      ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn findgateway() -> Result<(String), Box<std::error::Error>> {
[INFO] [stderr] 5 + pub fn findgateway() -> Result<String, Box<std::error::Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "2f064fc84e328cd1e3bdaedb798f2dbed0ce3d148c6990d22bf69422c024799e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f064fc84e328cd1e3bdaedb798f2dbed0ce3d148c6990d22bf69422c024799e", kill_on_drop: false }`
[INFO] [stdout] 2f064fc84e328cd1e3bdaedb798f2dbed0ce3d148c6990d22bf69422c024799e