[INFO] updating cached repository https://github.com/walfie/rs-streams-test [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bf0ab52883491bdbc7197f348862811bf024f5b [INFO] testing walfie/rs-streams-test against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test" "/workspace/builds/worker-6/source", kill_on_drop: false }` [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 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a04ca936ce15510ba44d5b7d4bd464a5faeb5c1a0dff4f80b4e48106b97ba9d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9a04ca936ce15510ba44d5b7d4bd464a5faeb5c1a0dff4f80b4e48106b97ba9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a04ca936ce15510ba44d5b7d4bd464a5faeb5c1a0dff4f80b4e48106b97ba9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a04ca936ce15510ba44d5b7d4bd464a5faeb5c1a0dff4f80b4e48106b97ba9d", kill_on_drop: false }` [INFO] [stdout] 9a04ca936ce15510ba44d5b7d4bd464a5faeb5c1a0dff4f80b4e48106b97ba9d [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9aa99810b559bc20c7b3c9a0ecc17ef2eab85e3223d587b1646453e12b5dc817 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9aa99810b559bc20c7b3c9a0ecc17ef2eab85e3223d587b1646453e12b5dc817", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.22 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling futures v0.1.13 [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] [stdout] warning: function is never used: `new` [INFO] [stdout] --> src/broadcast.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(messages: MsgStream) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `subscribe` [INFO] [stdout] --> src/broadcast.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | fn subscribe [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subscribe` [INFO] [stdout] --> src/broadcast.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | Subscribe { id: SubId, subscriber: Sub }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Message` [INFO] [stdout] --> src/broadcast.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | Message(Msg), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Backlog` [INFO] [stdout] --> src/backlog.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Backlog { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_capacity` [INFO] [stdout] --> src/backlog.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn with_capacity(capacity: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/backlog.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn insert(&mut self, item: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `snapshot` [INFO] [stdout] --> src/backlog.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn snapshot(&self) -> Arc> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.13s [INFO] running `Command { std: "docker" "inspect" "9aa99810b559bc20c7b3c9a0ecc17ef2eab85e3223d587b1646453e12b5dc817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aa99810b559bc20c7b3c9a0ecc17ef2eab85e3223d587b1646453e12b5dc817", kill_on_drop: false }` [INFO] [stdout] 9aa99810b559bc20c7b3c9a0ecc17ef2eab85e3223d587b1646453e12b5dc817 [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f155a3f32baa04698da8cee688910cab603366dbd9029e0f7962ba45f32ce98a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f155a3f32baa04698da8cee688910cab603366dbd9029e0f7962ba45f32ce98a", kill_on_drop: false }` [INFO] [stderr] Compiling streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sub` [INFO] [stdout] --> src/broadcast.rs:237:25 [INFO] [stdout] | [INFO] [stdout] 237 | let sub = manager.subscribe(1, tx); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sub` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `Command { std: "docker" "inspect" "f155a3f32baa04698da8cee688910cab603366dbd9029e0f7962ba45f32ce98a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f155a3f32baa04698da8cee688910cab603366dbd9029e0f7962ba45f32ce98a", kill_on_drop: false }` [INFO] [stdout] f155a3f32baa04698da8cee688910cab603366dbd9029e0f7962ba45f32ce98a [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dcc0ade61366ce7a2abb381bcf505d93ce74e94bfe4c8cdf5539cc07123094aa [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dcc0ade61366ce7a2abb381bcf505d93ce74e94bfe4c8cdf5539cc07123094aa", kill_on_drop: false }` [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 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/streams-507fab22c6fcacd0 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test backlog::test::maintain_initial_capacity ... ok [INFO] [stdout] test backlog::test::multiple_overflows ... ok [INFO] [stdout] test broadcast::test::unsubscribe_when_out_of_scope ... ok [INFO] [stdout] test broadcast::test::test_broadcast ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dcc0ade61366ce7a2abb381bcf505d93ce74e94bfe4c8cdf5539cc07123094aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcc0ade61366ce7a2abb381bcf505d93ce74e94bfe4c8cdf5539cc07123094aa", kill_on_drop: false }` [INFO] [stdout] dcc0ade61366ce7a2abb381bcf505d93ce74e94bfe4c8cdf5539cc07123094aa