[INFO] updating cached repository https://github.com/spirali/rsds
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/spirali/rsds
[INFO] [stderr]  * [new branch]      charts     -> charts
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0513f5c83d42d34cfda01febf7b87482ec250d0f
[INFO] checking spirali/rsds against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspirali%2Frsds" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spirali/rsds on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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 /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/spirali/rsds already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4167a7ebf17f69669233781d3cc77c6e6c75978aa17fd3cf272dd7d7bca1d8ba
[INFO] running `"docker" "start" "-a" "4167a7ebf17f69669233781d3cc77c6e6c75978aa17fd3cf272dd7d7bca1d8ba"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking serde-tuple-vec-map v1.0.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking rmpv v0.4.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking rsds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/scheduler/comm.rs:113:68
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let assignments = trace_time!("scheduler", "schedule", { scheduler.schedule() });
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/scheduler/comm.rs:113:68
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let assignments = trace_time!("scheduler", "schedule", { scheduler.schedule() });
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state_ref`
[INFO] [stderr]   --> src/worker/rpc.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     state_ref: WorkerStateRef,
[INFO] [stderr]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_ref`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/worker/rpc.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     address: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state_ref`
[INFO] [stderr]   --> src/worker/rpc.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     state_ref: WorkerStateRef,
[INFO] [stderr]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_ref`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/worker/rpc.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     address: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/worker/rpc.rs:250:22
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let (stream, output) = MemoryStream::new(packets_to_bytes(vec![
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/worker/rpc.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |         let r: FromWorkerMessage<SerializedTransport> = rmp_serde::from_slice(&v).unwrap();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 12s
[INFO] running `"docker" "inspect" "4167a7ebf17f69669233781d3cc77c6e6c75978aa17fd3cf272dd7d7bca1d8ba"`
[INFO] running `"docker" "rm" "-f" "4167a7ebf17f69669233781d3cc77c6e6c75978aa17fd3cf272dd7d7bca1d8ba"`
[INFO] [stdout] 4167a7ebf17f69669233781d3cc77c6e6c75978aa17fd3cf272dd7d7bca1d8ba