[INFO] fetching crate udpsec 0.2.0...
[INFO] testing udpsec-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate udpsec 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate udpsec 0.2.0
[INFO] finished tweaking crates.io crate udpsec 0.2.0
[INFO] tweaked toml for crates.io crate udpsec 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate udpsec 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding rand_core v0.5.1 (available: v0.9.3)
[INFO] [stderr]       Adding x25519-dalek v1.2.0 (available: v2.0.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e4488d255cbc96c49d3f52bcc0e1f3ed5f7da3952ef2a8905d7ea6f158cf07
[INFO] running `Command { std: "docker" "start" "-a" "56e4488d255cbc96c49d3f52bcc0e1f3ed5f7da3952ef2a8905d7ea6f158cf07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e4488d255cbc96c49d3f52bcc0e1f3ed5f7da3952ef2a8905d7ea6f158cf07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e4488d255cbc96c49d3f52bcc0e1f3ed5f7da3952ef2a8905d7ea6f158cf07", kill_on_drop: false }`
[INFO] [stdout] 56e4488d255cbc96c49d3f52bcc0e1f3ed5f7da3952ef2a8905d7ea6f158cf07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da768af189e8072457644c7eba514d120deb877f7a00ee17ec94b9971e7ee77d
[INFO] running `Command { std: "docker" "start" "-a" "da768af189e8072457644c7eba514d120deb877f7a00ee17ec94b9971e7ee77d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling wait_not_await v0.2.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling x25519-dalek v1.2.0
[INFO] [stderr]    Compiling udpsec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `xor_encode`
[INFO] [stdout]   --> src/tests.rs:1:22
[INFO] [stdout]    |
[INFO] [stdout]  1 | use super::{rand_u8, xor_encode};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Packet`
[INFO] [stdout]   --> src/tests.rs:2:13
[INFO] [stdout]    |
[INFO] [stdout]  2 | use super::{Packet, Socket};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::DATAGRAM_MAX_LENGTH`
[INFO] [stdout]   --> src/tests.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | use super::DATAGRAM_MAX_LENGTH;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rand_core::OsRng`
[INFO] [stdout]   --> src/tests.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | use super::rand_core::OsRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublicKey` and `ReusableSecret`
[INFO] [stdout]   --> src/tests.rs:6:27
[INFO] [stdout]    |
[INFO] [stdout]  6 | use super::x25519_dalek::{PublicKey, ReusableSecret};
[INFO] [stdout]    |                           ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_socket` is never used
[INFO] [stdout]   --> src/tests.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn get_socket() -> Socket {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sockets_pair` is never used
[INFO] [stdout]   --> src/tests.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn get_sockets_pair() -> (Socket, Socket) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_rand_data` is never used
[INFO] [stdout]   --> src/tests.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_rand_data(size: usize) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     receiver.recv();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     let _ = receiver.recv();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:340:25
[INFO] [stdout]     |
[INFO] [stdout] 340 |                         self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 340 |                         let _ = self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:349:29
[INFO] [stdout]     |
[INFO] [stdout] 349 | ...                   sender.send(());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |                             let _ = sender.send(());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "da768af189e8072457644c7eba514d120deb877f7a00ee17ec94b9971e7ee77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da768af189e8072457644c7eba514d120deb877f7a00ee17ec94b9971e7ee77d", kill_on_drop: false }`
[INFO] [stdout] da768af189e8072457644c7eba514d120deb877f7a00ee17ec94b9971e7ee77d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0903468b6a3f12bc0f3f96f74ab0318e764984401eb079cfc72a8d0c95af74
[INFO] running `Command { std: "docker" "start" "-a" "ac0903468b6a3f12bc0f3f96f74ab0318e764984401eb079cfc72a8d0c95af74", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `xor_encode`
[INFO] [stdout]   --> src/tests.rs:1:22
[INFO] [stdout]    |
[INFO] [stdout]  1 | use super::{rand_u8, xor_encode};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Packet`
[INFO] [stdout]   --> src/tests.rs:2:13
[INFO] [stdout]    |
[INFO] [stdout]  2 | use super::{Packet, Socket};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::DATAGRAM_MAX_LENGTH`
[INFO] [stdout]   --> src/tests.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | use super::DATAGRAM_MAX_LENGTH;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::rand_core::OsRng`
[INFO] [stdout]   --> src/tests.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | use super::rand_core::OsRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublicKey` and `ReusableSecret`
[INFO] [stdout]   --> src/tests.rs:6:27
[INFO] [stdout]    |
[INFO] [stdout]  6 | use super::x25519_dalek::{PublicKey, ReusableSecret};
[INFO] [stdout]    |                           ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_socket` is never used
[INFO] [stdout]   --> src/tests.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn get_socket() -> Socket {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling udpsec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_sockets_pair` is never used
[INFO] [stdout]   --> src/tests.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn get_sockets_pair() -> (Socket, Socket) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_rand_data` is never used
[INFO] [stdout]   --> src/tests.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_rand_data(size: usize) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     receiver.recv();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     let _ = receiver.recv();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:340:25
[INFO] [stdout]     |
[INFO] [stdout] 340 |                         self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 340 |                         let _ = self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:349:29
[INFO] [stdout]     |
[INFO] [stdout] 349 | ...                   sender.send(());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |                             let _ = sender.send(());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::DATAGRAM_MAX_LENGTH`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::DATAGRAM_MAX_LENGTH;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     receiver.recv();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     let _ = receiver.recv();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:340:25
[INFO] [stdout]     |
[INFO] [stdout] 340 |                         self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 340 |                         let _ = self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:349:29
[INFO] [stdout]     |
[INFO] [stdout] 349 | ...                   sender.send(());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |                             let _ = sender.send(());
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "ac0903468b6a3f12bc0f3f96f74ab0318e764984401eb079cfc72a8d0c95af74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0903468b6a3f12bc0f3f96f74ab0318e764984401eb079cfc72a8d0c95af74", kill_on_drop: false }`
[INFO] [stdout] ac0903468b6a3f12bc0f3f96f74ab0318e764984401eb079cfc72a8d0c95af74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dba2a9763433e5ac8a7c49bc98496dad92786ebab5917fad041231652cd55ba4
[INFO] running `Command { std: "docker" "start" "-a" "dba2a9763433e5ac8a7c49bc98496dad92786ebab5917fad041231652cd55ba4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `xor_encode`
[INFO] [stderr]   --> src/tests.rs:1:22
[INFO] [stderr]    |
[INFO] [stderr]  1 | use super::{rand_u8, xor_encode};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Packet`
[INFO] [stderr]   --> src/tests.rs:2:13
[INFO] [stderr]    |
[INFO] [stderr]  2 | use super::{Packet, Socket};
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::DATAGRAM_MAX_LENGTH`
[INFO] [stderr]   --> src/tests.rs:3:5
[INFO] [stderr]    |
[INFO] [stderr]  3 | use super::DATAGRAM_MAX_LENGTH;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::rand_core::OsRng`
[INFO] [stderr]   --> src/tests.rs:5:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | use super::rand_core::OsRng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PublicKey` and `ReusableSecret`
[INFO] [stderr]   --> src/tests.rs:6:27
[INFO] [stderr]    |
[INFO] [stderr]  6 | use super::x25519_dalek::{PublicKey, ReusableSecret};
[INFO] [stderr]    |                           ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_socket` is never used
[INFO] [stderr]   --> src/tests.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn get_socket() -> Socket {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_sockets_pair` is never used
[INFO] [stderr]   --> src/tests.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn get_sockets_pair() -> (Socket, Socket) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_rand_data` is never used
[INFO] [stderr]   --> src/tests.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn get_rand_data(size: usize) -> Vec<u8> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:276:21
[INFO] [stderr]     |
[INFO] [stderr] 276 |                     receiver.recv();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 276 |                     let _ = receiver.recv();
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:340:25
[INFO] [stderr]     |
[INFO] [stderr] 340 |                         self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 340 |                         let _ = self.write(from, Packet::KeyExchangeDone(PublicKey::from(&secret)));
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:349:29
[INFO] [stderr]     |
[INFO] [stderr] 349 | ...                   sender.send(());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 349 |                             let _ = sender.send(());
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::DATAGRAM_MAX_LENGTH`
[INFO] [stderr]  --> src/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::DATAGRAM_MAX_LENGTH;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `udpsec` (lib) generated 11 warnings (run `cargo fix --lib -p udpsec` to apply 5 suggestions)
[INFO] [stderr] warning: `udpsec` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p udpsec --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/udpsec-56b049bec9fa96da)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_key_exchange ... ok
[INFO] [stderr]    Doc-tests udpsec
[INFO] [stdout] test tests::test_packets ... ok
[INFO] [stdout] test tests::test_datagrams ... ok
[INFO] [stdout] test tests::test_xor_encoding ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Socket::send (line 296) ... ok
[INFO] [stdout] test src/lib.rs - Socket::generate_secret (line 243) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dba2a9763433e5ac8a7c49bc98496dad92786ebab5917fad041231652cd55ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba2a9763433e5ac8a7c49bc98496dad92786ebab5917fad041231652cd55ba4", kill_on_drop: false }`
[INFO] [stdout] dba2a9763433e5ac8a7c49bc98496dad92786ebab5917fad041231652cd55ba4