[INFO] fetching crate streamline 0.0.7... [INFO] testing streamline-0.0.7 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate streamline 0.0.7 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate streamline 0.0.7 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding tokio v0.2.25 (available: v1.48.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c87ce2da43b84be440290f305c1de6d03091b735cb1f49a8421c473b33cae92 [INFO] running `Command { std: "docker" "start" "-a" "1c87ce2da43b84be440290f305c1de6d03091b735cb1f49a8421c473b33cae92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c87ce2da43b84be440290f305c1de6d03091b735cb1f49a8421c473b33cae92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c87ce2da43b84be440290f305c1de6d03091b735cb1f49a8421c473b33cae92", kill_on_drop: false }` [INFO] [stdout] 1c87ce2da43b84be440290f305c1de6d03091b735cb1f49a8421c473b33cae92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9e4ffaae1cd2d63812aa79b8561567908951e330a9a6e804a063fb9f7a41222 [INFO] running `Command { std: "docker" "start" "-a" "b9e4ffaae1cd2d63812aa79b8561567908951e330a9a6e804a063fb9f7a41222", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [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)]` (part of `#[warn(unused)]`) 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 10.49s [INFO] running `Command { std: "docker" "inspect" "b9e4ffaae1cd2d63812aa79b8561567908951e330a9a6e804a063fb9f7a41222", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e4ffaae1cd2d63812aa79b8561567908951e330a9a6e804a063fb9f7a41222", kill_on_drop: false }` [INFO] [stdout] b9e4ffaae1cd2d63812aa79b8561567908951e330a9a6e804a063fb9f7a41222 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7501a1f5b36a7bd9b02685787d11a11ca69a17809bfa8956bb9f8583d999596c [INFO] running `Command { std: "docker" "start" "-a" "7501a1f5b36a7bd9b02685787d11a11ca69a17809bfa8956bb9f8583d999596c", 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: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) 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 2.08s [INFO] running `Command { std: "docker" "inspect" "7501a1f5b36a7bd9b02685787d11a11ca69a17809bfa8956bb9f8583d999596c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7501a1f5b36a7bd9b02685787d11a11ca69a17809bfa8956bb9f8583d999596c", kill_on_drop: false }` [INFO] [stdout] 7501a1f5b36a7bd9b02685787d11a11ca69a17809bfa8956bb9f8583d999596c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d03fee9238eca3fd5c554331436633484158f29bf6b23f8871825211389b74ab [INFO] running `Command { std: "docker" "start" "-a" "d03fee9238eca3fd5c554331436633484158f29bf6b23f8871825211389b74ab", 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)]` (part of `#[warn(unused)]`) 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 0.08s [INFO] [stderr] Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-d8e3e3ff4ad6d555) [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-da0ddc0c62eeb882) [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-105a402cff8ba17e) [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] [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] [stderr] Running tests/up.rs (/opt/rustwide/target/debug/deps/up-76d224dcccb48e53) [INFO] running `Command { std: "docker" "inspect" "d03fee9238eca3fd5c554331436633484158f29bf6b23f8871825211389b74ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d03fee9238eca3fd5c554331436633484158f29bf6b23f8871825211389b74ab", kill_on_drop: false }` [INFO] [stdout] d03fee9238eca3fd5c554331436633484158f29bf6b23f8871825211389b74ab