[INFO] updating cached repository https://github.com/spirali/rsds
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d9a0af187a9e49daede40f4d08385c0addb46c0
[INFO] checking spirali/rsds against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspirali%2Frsds" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spirali/rsds on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/spirali/rsds
[INFO] finished tweaking git repo https://github.com/spirali/rsds
[INFO] tweaked toml for git repo https://github.com/spirali/rsds written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/spirali/rsds already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dabdacf5983347e40b44551533b6eb17a9b17a3b21af0f7ca71c64ca7d4edd51
[INFO] running `"docker" "start" "-a" "dabdacf5983347e40b44551533b6eb17a9b17a3b21af0f7ca71c64ca7d4edd51"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
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[INFO] [stderr]     Checking regex v1.3.1
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[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.4
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]     Checking tracing v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.4
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.4
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.4
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking tokio v0.2.0-alpha.4
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde-tuple-vec-map v0.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking rsds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `GetDataMsg`, `Status`, `ToWorkerMessage`
[INFO] [stderr]   --> src/client.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::messages::workermsg::{GetDataMsg, GetDataResponse, Status, ToWorkerMessage};
[INFO] [stderr]    |                                  ^^^^^^^^^^                   ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/connection.rs:18:96
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub async fn connection_initiator(address: SocketAddr, core_ref: CoreRef) -> crate::Result<()> {
[INFO] [stderr]    |  ________________________________________________________________________________________________^
[INFO] [stderr] 19 | |     let mut listener = TcpListener::bind(address).await?;
[INFO] [stderr] 20 | |     loop {
[INFO] [stderr] 21 | |         let (socket, address) = listener.accept().await?;
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     }
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GetDataMsg`, `Status`, `ToWorkerMessage`
[INFO] [stderr]   --> src/client.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::messages::workermsg::{GetDataMsg, GetDataResponse, Status, ToWorkerMessage};
[INFO] [stderr]    |                                  ^^^^^^^^^^                   ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/connection.rs:18:96
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub async fn connection_initiator(address: SocketAddr, core_ref: CoreRef) -> crate::Result<()> {
[INFO] [stderr]    |  ________________________________________________________________________________________________^
[INFO] [stderr] 19 | |     let mut listener = TcpListener::bind(address).await?;
[INFO] [stderr] 20 | |     loop {
[INFO] [stderr] 21 | |         let (socket, address) = listener.accept().await?;
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     }
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id_string`
[INFO] [stderr]   --> src/client.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     id_string: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/wrapped.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn new(value: Rc<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/wrapped.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn get(&self) -> &Rc<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SchedulerTaskState`
[INFO] [stderr]  --> src/scheduler/task.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum SchedulerTaskState {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Task`
[INFO] [stderr]   --> src/scheduler/task.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Task {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TaskRef`
[INFO] [stderr]   --> src/scheduler/task.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type TaskRef = crate::common::WrappedRcRefCell<Task>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/scheduler/task.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(id: TaskId, inputs: Vec<TaskRef>, unfinished_deps: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id_string`
[INFO] [stderr]   --> src/client.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     id_string: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/wrapped.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn new(value: Rc<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/wrapped.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn get(&self) -> &Rc<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SchedulerTaskState`
[INFO] [stderr]  --> src/scheduler/task.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum SchedulerTaskState {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Task`
[INFO] [stderr]   --> src/scheduler/task.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Task {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TaskRef`
[INFO] [stderr]   --> src/scheduler/task.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type TaskRef = crate::common::WrappedRcRefCell<Task>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/scheduler/task.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(id: TaskId, inputs: Vec<TaskRef>, unfinished_deps: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `"docker" "inspect" "dabdacf5983347e40b44551533b6eb17a9b17a3b21af0f7ca71c64ca7d4edd51"`
[INFO] running `"docker" "rm" "-f" "dabdacf5983347e40b44551533b6eb17a9b17a3b21af0f7ca71c64ca7d4edd51"`
[INFO] [stdout] dabdacf5983347e40b44551533b6eb17a9b17a3b21af0f7ca71c64ca7d4edd51