[INFO] updating cached repository https://github.com/walfie/rs-streams-test [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] 1bf0ab52883491bdbc7197f348862811bf024f5b [INFO] testing walfie/rs-streams-test against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/walfie/rs-streams-test on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/walfie/rs-streams-test [INFO] finished tweaking git repo https://github.com/walfie/rs-streams-test [INFO] tweaked toml for git repo https://github.com/walfie/rs-streams-test written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/walfie/rs-streams-test already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 56c3b9e962ed0d2844da357250bd6e3b60a0a5f335fa3b6a1cd69eaee2c6fd79 [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" "56c3b9e962ed0d2844da357250bd6e3b60a0a5f335fa3b6a1cd69eaee2c6fd79"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling lazycell v0.4.0 [INFO] [stderr] Compiling scoped-tls v0.1.0 [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling net2 v0.2.29 [INFO] [stderr] Compiling bytes v0.4.3 [INFO] [stderr] Compiling mio v0.6.7 [INFO] [stderr] Compiling tokio-io v0.1.1 [INFO] [stderr] Compiling tokio-core v0.1.7 [INFO] [stderr] Compiling streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `new` [INFO] [stderr] --> src/broadcast.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn new(messages: MsgStream) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `subscribe` [INFO] [stderr] --> src/broadcast.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | / fn subscribe [INFO] [stderr] 57 | | ( [INFO] [stderr] 58 | | &self, [INFO] [stderr] 59 | | id: SubId, [INFO] [stderr] ... | [INFO] [stderr] 73 | | ) [INFO] [stderr] 74 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Subscribe` [INFO] [stderr] --> src/broadcast.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | Subscribe { id: SubId, subscriber: Sub }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Message` [INFO] [stderr] --> src/broadcast.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | Message(Msg), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Backlog` [INFO] [stderr] --> src/backlog.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Backlog { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_capacity` [INFO] [stderr] --> src/backlog.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fn with_capacity(capacity: usize) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/backlog.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn insert(&mut self, item: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `snapshot` [INFO] [stderr] --> src/backlog.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | fn snapshot(&self) -> Arc> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.52s [INFO] running `"docker" "inspect" "56c3b9e962ed0d2844da357250bd6e3b60a0a5f335fa3b6a1cd69eaee2c6fd79"` [INFO] running `"docker" "rm" "-f" "56c3b9e962ed0d2844da357250bd6e3b60a0a5f335fa3b6a1cd69eaee2c6fd79"` [INFO] [stdout] 56c3b9e962ed0d2844da357250bd6e3b60a0a5f335fa3b6a1cd69eaee2c6fd79 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] adc45a3578e70f1e6672edcec58e87a7390b49d2f15e84080347ecf6d8d7ce9e [INFO] running `"docker" "start" "-a" "adc45a3578e70f1e6672edcec58e87a7390b49d2f15e84080347ecf6d8d7ce9e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `sub` [INFO] [stderr] --> src/broadcast.rs:237:25 [INFO] [stderr] | [INFO] [stderr] 237 | let sub = manager.subscribe(1, tx); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sub` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.55s [INFO] running `"docker" "inspect" "adc45a3578e70f1e6672edcec58e87a7390b49d2f15e84080347ecf6d8d7ce9e"` [INFO] running `"docker" "rm" "-f" "adc45a3578e70f1e6672edcec58e87a7390b49d2f15e84080347ecf6d8d7ce9e"` [INFO] [stdout] adc45a3578e70f1e6672edcec58e87a7390b49d2f15e84080347ecf6d8d7ce9e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] 852032d2d1c5ab08378432aacf6467feb2e5ff5bcf1e95611f512d709d32a384 [INFO] running `"docker" "start" "-a" "852032d2d1c5ab08378432aacf6467feb2e5ff5bcf1e95611f512d709d32a384"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `sub` [INFO] [stderr] --> src/broadcast.rs:237:25 [INFO] [stderr] | [INFO] [stderr] 237 | let sub = manager.subscribe(1, tx); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sub` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/streams-346c6f37b86f103e [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test backlog::test::multiple_overflows ... ok [INFO] [stdout] test backlog::test::maintain_initial_capacity ... ok [INFO] [stdout] test broadcast::test::test_broadcast ... ok [INFO] [stdout] test broadcast::test::unsubscribe_when_out_of_scope ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "852032d2d1c5ab08378432aacf6467feb2e5ff5bcf1e95611f512d709d32a384"` [INFO] running `"docker" "rm" "-f" "852032d2d1c5ab08378432aacf6467feb2e5ff5bcf1e95611f512d709d32a384"` [INFO] [stdout] 852032d2d1c5ab08378432aacf6467feb2e5ff5bcf1e95611f512d709d32a384