[INFO] fetching crate backroll 0.1.0...
[INFO] checking backroll-0.1.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate backroll 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate backroll 0.1.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backroll 0.1.0
[INFO] finished tweaking crates.io crate backroll 0.1.0
[INFO] tweaked toml for crates.io crate backroll 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varinteger v1.0.6
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[INFO] running `Command { std: "docker" "inspect" "9cbb66d55894b485b050f2cff084dd9c30930556261a0f66461b3ee8be3eb2e0", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self::event::*`
[INFO] [stdout]  --> src/protocol/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) use self::event::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GameInput`
[INFO] [stdout]  --> src/backend/p2p.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |     input::{FrameInput, GameInput},
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::event::*`
[INFO] [stdout]  --> src/protocol/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) use self::event::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GameInput`
[INFO] [stdout]  --> src/backend/p2p.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |     input::{FrameInput, GameInput},
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sync.rs:138:53
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn add_local_input(&mut self, queue: usize, mut input: T::Input) -> BackrollResult<Frame> {
[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/sync.rs:138:53
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn add_local_input(&mut self, queue: usize, mut input: T::Input) -> BackrollResult<Frame> {
[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: function is never used: `encode_len`
[INFO] [stdout]    --> src/protocol/compression.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn encode_len(buf: impl AsRef<[u8]>) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_len`
[INFO] [stdout]    --> src/protocol/compression.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn decode_len(buf: impl AsRef<[u8]>) -> Result<usize, DecodeError> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `total`
[INFO] [stdout]  --> src/protocol/event.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Synchronizing { total: u8, count: u8 },
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/protocol/event.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Synchronizing { total: u8, count: u8 },
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disconnect_timeout`
[INFO] [stdout]  --> src/protocol/event.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     NetworkInterrupted { disconnect_timeout: Duration },
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_disconnected`
[INFO] [stdout]   --> src/protocol/mod.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn is_disconnected(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_input_ack`
[INFO] [stdout]    --> src/protocol/mod.rs:335:12
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn send_input_ack(&self) -> Result<(), PeerError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]   --> src/backend/p2p.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         rx: async_channel::Receiver<Event<T::Input>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]   --> src/backend/p2p.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         rx: async_channel::Receiver<Event<T::Input>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/input.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/input.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(crate) fn clear(&mut self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FetchedInput`
[INFO] [stdout]   --> src/input.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub enum FetchedInput<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unwrap`
[INFO] [stdout]   --> src/input.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn unwrap(self) -> FrameInput<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_prediction`
[INFO] [stdout]   --> src/input.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn is_prediction(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last_confirmed_frame`
[INFO] [stdout]    --> src/input.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn last_confirmed_frame(&self) -> Frame {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_input`
[INFO] [stdout]    --> src/input.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn get_input(&mut self, frame: Frame) -> FetchedInput<T::Input> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `latest`
[INFO] [stdout]   --> src/sync.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn latest(&self) -> &SavedFrame<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_remote_input`
[INFO] [stdout]    --> src/sync.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn add_remote_input(&mut self, queue: usize, input: FrameInput<T::Input>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_confirmed_inputs`
[INFO] [stdout]    --> src/sync.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn get_confirmed_inputs(&mut self, frame: Frame) -> GameInput<T::Input> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_saved_frame`
[INFO] [stdout]    --> src/sync.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn get_last_saved_frame(&self) -> &SavedFrame<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_len`
[INFO] [stdout]    --> src/protocol/compression.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn encode_len(buf: impl AsRef<[u8]>) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_len`
[INFO] [stdout]    --> src/protocol/compression.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn decode_len(buf: impl AsRef<[u8]>) -> Result<usize, DecodeError> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `total`
[INFO] [stdout]  --> src/protocol/event.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Synchronizing { total: u8, count: u8 },
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]  --> src/protocol/event.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Synchronizing { total: u8, count: u8 },
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `disconnect_timeout`
[INFO] [stdout]  --> src/protocol/event.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     NetworkInterrupted { disconnect_timeout: Duration },
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_disconnected`
[INFO] [stdout]   --> src/protocol/mod.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn is_disconnected(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_input_ack`
[INFO] [stdout]    --> src/protocol/mod.rs:335:12
[INFO] [stdout]     |
[INFO] [stdout] 335 |     pub fn send_input_ack(&self) -> Result<(), PeerError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]   --> src/backend/p2p.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         rx: async_channel::Receiver<Event<T::Input>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]   --> src/backend/p2p.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         rx: async_channel::Receiver<Event<T::Input>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/input.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/input.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(crate) fn clear(&mut self) {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FetchedInput`
[INFO] [stdout]   --> src/input.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub enum FetchedInput<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unwrap`
[INFO] [stdout]   --> src/input.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn unwrap(self) -> FrameInput<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_prediction`
[INFO] [stdout]   --> src/input.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn is_prediction(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last_confirmed_frame`
[INFO] [stdout]    --> src/input.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn last_confirmed_frame(&self) -> Frame {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_input`
[INFO] [stdout]    --> src/input.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn get_input(&mut self, frame: Frame) -> FetchedInput<T::Input> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `latest`
[INFO] [stdout]   --> src/sync.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn latest(&self) -> &SavedFrame<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_remote_input`
[INFO] [stdout]    --> src/sync.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn add_remote_input(&mut self, queue: usize, input: FrameInput<T::Input>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_confirmed_inputs`
[INFO] [stdout]    --> src/sync.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn get_confirmed_inputs(&mut self, frame: Frame) -> GameInput<T::Input> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_saved_frame`
[INFO] [stdout]    --> src/sync.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn get_last_saved_frame(&self) -> &SavedFrame<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.19s
[INFO] running `Command { std: "docker" "inspect" "78dcf2314a79fef08ee50b7d36651af18fcdc3af3053a4d801cd4c347e642dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dcf2314a79fef08ee50b7d36651af18fcdc3af3053a4d801cd4c347e642dc1", kill_on_drop: false }`
[INFO] [stdout] 78dcf2314a79fef08ee50b7d36651af18fcdc3af3053a4d801cd4c347e642dc1