[INFO] updating cached repository https://github.com/gterzian/streaming_concurrent_workflow
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9615daa26bcb65d9f6f33c3c93ba95e3d727daa
[INFO] testing gterzian/streaming_concurrent_workflow against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fstreaming_concurrent_workflow" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gterzian/streaming_concurrent_workflow on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gterzian/streaming_concurrent_workflow
[INFO] finished tweaking git repo https://github.com/gterzian/streaming_concurrent_workflow
[INFO] tweaked toml for git repo https://github.com/gterzian/streaming_concurrent_workflow written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gterzian/streaming_concurrent_workflow already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d97d15d92a270b8785b5dce72656f7a412b602812f6bb9e462b7b1f2654b7f7b
[INFO] running `"docker" "start" "-a" "d97d15d92a270b8785b5dce72656f7a412b602812f6bb9e462b7b1f2654b7f7b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling streaming_concurrent_workflow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `check_buffer_size`
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn check_buffer_size(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_work`
[INFO] [stderr]   --> src/main.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn start_work(
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SourceMsg`
[INFO] [stderr]   --> src/main.rs:63:6
[INFO] [stderr]    |
[INFO] [stderr] 63 | enum SourceMsg {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcessorMsg`
[INFO] [stderr]   --> src/main.rs:74:6
[INFO] [stderr]    |
[INFO] [stderr] 74 | enum ProcessorMsg {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SlowDown`
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     SlowDown,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SpeedUp`
[INFO] [stderr]   --> src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     SpeedUp,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]   --> src/main.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     Stop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_processor`
[INFO] [stderr]   --> src/main.rs:90:4
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn run_processor(
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_source`
[INFO] [stderr]    --> src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn run_source(
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "d97d15d92a270b8785b5dce72656f7a412b602812f6bb9e462b7b1f2654b7f7b"`
[INFO] running `"docker" "rm" "-f" "d97d15d92a270b8785b5dce72656f7a412b602812f6bb9e462b7b1f2654b7f7b"`
[INFO] [stdout] d97d15d92a270b8785b5dce72656f7a412b602812f6bb9e462b7b1f2654b7f7b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 344d2bb2bad745d1ac13c6c0bc20b37fc8e904e22227cd9977632bf2a8b71de6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "344d2bb2bad745d1ac13c6c0bc20b37fc8e904e22227cd9977632bf2a8b71de6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling streaming_concurrent_workflow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "344d2bb2bad745d1ac13c6c0bc20b37fc8e904e22227cd9977632bf2a8b71de6"`
[INFO] running `"docker" "rm" "-f" "344d2bb2bad745d1ac13c6c0bc20b37fc8e904e22227cd9977632bf2a8b71de6"`
[INFO] [stdout] 344d2bb2bad745d1ac13c6c0bc20b37fc8e904e22227cd9977632bf2a8b71de6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2b53c216fd34b6787aad2b1840f210b33ccc4561f4dbbfcb36c561471e291a5
[INFO] running `"docker" "start" "-a" "e2b53c216fd34b6787aad2b1840f210b33ccc4561f4dbbfcb36c561471e291a5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/streaming_concurrent_workflow-9f4ffba6c10b66ff
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test second ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e2b53c216fd34b6787aad2b1840f210b33ccc4561f4dbbfcb36c561471e291a5"`
[INFO] running `"docker" "rm" "-f" "e2b53c216fd34b6787aad2b1840f210b33ccc4561f4dbbfcb36c561471e291a5"`
[INFO] [stdout] e2b53c216fd34b6787aad2b1840f210b33ccc4561f4dbbfcb36c561471e291a5