[INFO] fetching crate streamline 0.0.7... [INFO] testing streamline-0.0.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate streamline 0.0.7 into /workspace/builds/worker-0-tc1/source [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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate streamline 0.0.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding tokio v0.2.25 (available: v1.47.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20009f11c07ae667ba074c74920accac6fd560160af3635597636bd25cb2efab [INFO] running `Command { std: "docker" "start" "-a" "20009f11c07ae667ba074c74920accac6fd560160af3635597636bd25cb2efab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20009f11c07ae667ba074c74920accac6fd560160af3635597636bd25cb2efab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20009f11c07ae667ba074c74920accac6fd560160af3635597636bd25cb2efab", kill_on_drop: false }` [INFO] [stdout] 20009f11c07ae667ba074c74920accac6fd560160af3635597636bd25cb2efab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44a5ce2fd8f022e712caa9e0b3c406dfb92a9f37f8fe0bb4347d05b864698ae8 [INFO] running `Command { std: "docker" "start" "-a" "44a5ce2fd8f022e712caa9e0b3c406dfb92a9f37f8fe0bb4347d05b864698ae8", kill_on_drop: false }` [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: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = std::mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "44a5ce2fd8f022e712caa9e0b3c406dfb92a9f37f8fe0bb4347d05b864698ae8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44a5ce2fd8f022e712caa9e0b3c406dfb92a9f37f8fe0bb4347d05b864698ae8", kill_on_drop: false }` [INFO] [stdout] 44a5ce2fd8f022e712caa9e0b3c406dfb92a9f37f8fe0bb4347d05b864698ae8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87cc1ccc21c538793475f0c36a49b4bccfb782ba81aff6b0f6fae8869bef0a2f [INFO] running `Command { std: "docker" "start" "-a" "87cc1ccc21c538793475f0c36a49b4bccfb782ba81aff6b0f6fae8869bef0a2f", kill_on_drop: false }` [INFO] [stderr] Compiling bytes v0.5.6 [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: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = std::mem::replace( [INFO] [stdout] | +++++++ [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` profile [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "87cc1ccc21c538793475f0c36a49b4bccfb782ba81aff6b0f6fae8869bef0a2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87cc1ccc21c538793475f0c36a49b4bccfb782ba81aff6b0f6fae8869bef0a2f", kill_on_drop: false }` [INFO] [stdout] 87cc1ccc21c538793475f0c36a49b4bccfb782ba81aff6b0f6fae8869bef0a2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1020b1622bdd4f108b1fcc79563e568d075402a387991d7841ca18fff5696841 [INFO] running `Command { std: "docker" "start" "-a" "1020b1622bdd4f108b1fcc79563e568d075402a387991d7841ca18fff5696841", 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: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 77 | let _ = std::mem::replace( [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `streamline` (lib) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-7c8de0753755420f) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test cancels ... 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/context.rs (/opt/rustwide/target/debug/deps/context-3d9221d287a8c727) [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/down.rs (/opt/rustwide/target/debug/deps/down-fef20a3953999cdd) [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 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/up.rs (/opt/rustwide/target/debug/deps/up-5861522f57a86e91) [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" "1020b1622bdd4f108b1fcc79563e568d075402a387991d7841ca18fff5696841", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1020b1622bdd4f108b1fcc79563e568d075402a387991d7841ca18fff5696841", kill_on_drop: false }` [INFO] [stdout] 1020b1622bdd4f108b1fcc79563e568d075402a387991d7841ca18fff5696841