[INFO] cloning repository https://github.com/SerhiiShchudlo/rust-training-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SerhiiShchudlo/rust-training-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiShchudlo%2Frust-training-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiShchudlo%2Frust-training-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f63eed955d5c9ea398890d18c5a01e9a499c1d82
[INFO] fixing SerhiiShchudlo/rust-training-workspace against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiShchudlo%2Frust-training-workspace" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SerhiiShchudlo/rust-training-workspace
[INFO] finished tweaking git repo https://github.com/SerhiiShchudlo/rust-training-workspace
[INFO] tweaked toml for git repo https://github.com/SerhiiShchudlo/rust-training-workspace written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SerhiiShchudlo/rust-training-workspace on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SerhiiShchudlo/rust-training-workspace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965
[INFO] running `Command { std: "docker" "start" "248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking text_hashmap v0.1.0 (/opt/rustwide/workdir/text_hashmap)
[INFO] [stderr]     Checking linked_list v0.1.0 (/opt/rustwide/workdir/linked_list)
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> linked_list/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeRefIter` is never constructed
[INFO] [stdout]   --> linked_list/src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct NodeRefIter<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NodeIntoIter` is never constructed
[INFO] [stdout]   --> linked_list/src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct NodeIntoIter<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `iter`, `retain`, and `into_iter` are never used
[INFO] [stdout]   --> linked_list/src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 20 |     /// creates new node with provided value
[INFO] [stdout] 21 |     fn new(value: T) -> Node<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn insert(&mut self, next: T) -> &mut Node<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn iter(&self) -> NodeRefIter<'_, T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn retain(self, mut filter: impl FnMut(&T) -> bool) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn into_iter(self) -> NodeIntoIter<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking file_indexer v0.1.0 (/opt/rustwide/workdir/file_indexer)
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir/chat)
[INFO] [stderr]     Checking custom_futures v0.1.0 (/opt/rustwide/workdir/custom_futures)
[INFO] [stdout] error[E0601]: `main` function not found in crate `custom_futures`
[INFO] [stdout]    --> custom_futures/src/main.rs:179:2
[INFO] [stdout]     |
[INFO] [stdout] 179 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `custom_futures/src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> custom_futures/src/main.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(duration: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> custom_futures/src/main.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> custom_futures/src/main.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `future`
[INFO] [stdout]   --> custom_futures/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn push(&mut self, future: impl Future<Output = ()>) -> Self {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> custom_futures/src/main.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom_futures` (bin "custom_futures") due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]   --> custom_futures/src/main.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(duration: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> custom_futures/src/main.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> custom_futures/src/main.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `future`
[INFO] [stdout]   --> custom_futures/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn push(&mut self, future: impl Future<Output = ()>) -> Self {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> custom_futures/src/main.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `future1` and `future2` are never read
[INFO] [stdout]   --> custom_futures/src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Race<F1, F2> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 30 |     future1: F1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 31 |     future2: F2,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965", kill_on_drop: false }`
[INFO] [stdout] 248a8ea6e77821bc4f333bb94469c2464b28fe82cd894312b29a2fa78db9b965
