[INFO] cloning 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" "clone" "--bare" "https://github.com/walfie/rs-streams-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bf0ab52883491bdbc7197f348862811bf024f5b [INFO] checking walfie/rs-streams-test against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Frs-streams-test" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/walfie/rs-streams-test on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-8/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd943627f2675e4595102e420b1d2a7217043687994cf1ec8cfaaebab0489d13 [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" "bd943627f2675e4595102e420b1d2a7217043687994cf1ec8cfaaebab0489d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd943627f2675e4595102e420b1d2a7217043687994cf1ec8cfaaebab0489d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd943627f2675e4595102e420b1d2a7217043687994cf1ec8cfaaebab0489d13", kill_on_drop: false }` [INFO] [stdout] bd943627f2675e4595102e420b1d2a7217043687994cf1ec8cfaaebab0489d13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2159ef271f8970588b98fcdcf47c01e60a1c77eccfe0f1678cd5b5fa3c4e94fb [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" "2159ef271f8970588b98fcdcf47c01e60a1c77eccfe0f1678cd5b5fa3c4e94fb", kill_on_drop: false }` [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking bytes v0.4.3 [INFO] [stderr] Checking mio v0.6.7 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking tokio-core v0.1.7 [INFO] [stderr] Checking 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] [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 dev [unoptimized + debuginfo] target(s) in 7.51s [INFO] running `Command { std: "docker" "inspect" "2159ef271f8970588b98fcdcf47c01e60a1c77eccfe0f1678cd5b5fa3c4e94fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2159ef271f8970588b98fcdcf47c01e60a1c77eccfe0f1678cd5b5fa3c4e94fb", kill_on_drop: false }` [INFO] [stdout] 2159ef271f8970588b98fcdcf47c01e60a1c77eccfe0f1678cd5b5fa3c4e94fb