[INFO] fetching crate streamline 0.0.7... [INFO] testing streamline-0.0.7 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate streamline 0.0.7 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate streamline 0.0.7 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate streamline 0.0.7 [INFO] finished tweaking crates.io crate streamline 0.0.7 [INFO] tweaked toml for crates.io crate streamline 0.0.7 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a1be561c4d69412044a6b46d45840d391e397d9c4830eadb8fa977f46e6a63a [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" "5a1be561c4d69412044a6b46d45840d391e397d9c4830eadb8fa977f46e6a63a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a1be561c4d69412044a6b46d45840d391e397d9c4830eadb8fa977f46e6a63a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a1be561c4d69412044a6b46d45840d391e397d9c4830eadb8fa977f46e6a63a", kill_on_drop: false }` [INFO] [stdout] 5a1be561c4d69412044a6b46d45840d391e397d9c4830eadb8fa977f46e6a63a [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dbb7795f6505b402957d98b95474ea85ab12d92ba52effdf726af9dddab635af [INFO] running `Command { std: "docker" "start" "-a" "dbb7795f6505b402957d98b95474ea85ab12d92ba52effdf726af9dddab635af", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling streamline v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/streamline.rs:77:33 [INFO] [stdout] | [INFO] [stdout] 77 | / ... std::mem::replace( [INFO] [stdout] 78 | | ... &mut state_machine.cancellation_handle, [INFO] [stdout] 79 | | ... Some(reciever), [INFO] [stdout] 80 | | ... ); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.32s [INFO] running `Command { std: "docker" "inspect" "dbb7795f6505b402957d98b95474ea85ab12d92ba52effdf726af9dddab635af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbb7795f6505b402957d98b95474ea85ab12d92ba52effdf726af9dddab635af", kill_on_drop: false }` [INFO] [stdout] dbb7795f6505b402957d98b95474ea85ab12d92ba52effdf726af9dddab635af [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72dd41cf2283af0d42dc9ef921f2647a3b998cf2c6ec46baa07bd4a43a374b7c [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" "72dd41cf2283af0d42dc9ef921f2647a3b998cf2c6ec46baa07bd4a43a374b7c", kill_on_drop: false }` [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/streamline.rs:77:33 [INFO] [stdout] | [INFO] [stdout] 77 | / ... std::mem::replace( [INFO] [stdout] 78 | | ... &mut state_machine.cancellation_handle, [INFO] [stdout] 79 | | ... Some(reciever), [INFO] [stdout] 80 | | ... ); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling streamline v0.0.7 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.50s [INFO] running `Command { std: "docker" "inspect" "72dd41cf2283af0d42dc9ef921f2647a3b998cf2c6ec46baa07bd4a43a374b7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72dd41cf2283af0d42dc9ef921f2647a3b998cf2c6ec46baa07bd4a43a374b7c", kill_on_drop: false }` [INFO] [stdout] 72dd41cf2283af0d42dc9ef921f2647a3b998cf2c6ec46baa07bd4a43a374b7c [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 595edbca1febfda5e66e9ce65e334db38dd2bca218e25104248b5cc4c3cd9137 [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" "595edbca1febfda5e66e9ce65e334db38dd2bca218e25104248b5cc4c3cd9137", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/streamline.rs:77:33 [INFO] [stderr] | [INFO] [stderr] 77 | / ... std::mem::replace( [INFO] [stderr] 78 | | ... &mut state_machine.cancellation_handle, [INFO] [stderr] 79 | | ... Some(reciever), [INFO] [stderr] 80 | | ... ); [INFO] [stderr] | |________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-1f1dd1703f4820dd) [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/context.rs (/opt/rustwide/target/debug/deps/context-84f716118c789c3b) [INFO] [stdout] test cancels ... ok [INFO] [stderr] Running tests/down.rs (/opt/rustwide/target/debug/deps/down-6d1de1c7dbed0a0a) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test handles_context ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/up.rs (/opt/rustwide/target/debug/deps/up-23f3a8af88e5e8e0) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test completes_down ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test completes_up ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "595edbca1febfda5e66e9ce65e334db38dd2bca218e25104248b5cc4c3cd9137", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "595edbca1febfda5e66e9ce65e334db38dd2bca218e25104248b5cc4c3cd9137", kill_on_drop: false }` [INFO] [stdout] 595edbca1febfda5e66e9ce65e334db38dd2bca218e25104248b5cc4c3cd9137