[INFO] fetching crate streamline 0.0.7... [INFO] testing streamline-0.0.7 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate streamline 0.0.7 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate streamline 0.0.7 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3134d915537f54b28f2ca97d7cdc806ccabd458e5bf43025e61202561d28de1 [INFO] running `Command { std: "docker" "start" "-a" "d3134d915537f54b28f2ca97d7cdc806ccabd458e5bf43025e61202561d28de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3134d915537f54b28f2ca97d7cdc806ccabd458e5bf43025e61202561d28de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3134d915537f54b28f2ca97d7cdc806ccabd458e5bf43025e61202561d28de1", kill_on_drop: false }` [INFO] [stdout] d3134d915537f54b28f2ca97d7cdc806ccabd458e5bf43025e61202561d28de1 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eda5df4c8a5f8643740eeb8eead481cd2f13db10d3aa8f31e2ab73753b030350 [INFO] running `Command { std: "docker" "start" "-a" "eda5df4c8a5f8643740eeb8eead481cd2f13db10d3aa8f31e2ab73753b030350", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.72 [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 20.66s [INFO] running `Command { std: "docker" "inspect" "eda5df4c8a5f8643740eeb8eead481cd2f13db10d3aa8f31e2ab73753b030350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eda5df4c8a5f8643740eeb8eead481cd2f13db10d3aa8f31e2ab73753b030350", kill_on_drop: false }` [INFO] [stdout] eda5df4c8a5f8643740eeb8eead481cd2f13db10d3aa8f31e2ab73753b030350 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b847c9b9bc776afe207e85c177889b2f1d06565415d9c0860661b41f6ce57ec [INFO] running `Command { std: "docker" "start" "-a" "4b847c9b9bc776afe207e85c177889b2f1d06565415d9c0860661b41f6ce57ec", kill_on_drop: false }` [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling lazy_static v1.4.0 [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 3.85s [INFO] running `Command { std: "docker" "inspect" "4b847c9b9bc776afe207e85c177889b2f1d06565415d9c0860661b41f6ce57ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b847c9b9bc776afe207e85c177889b2f1d06565415d9c0860661b41f6ce57ec", kill_on_drop: false }` [INFO] [stdout] 4b847c9b9bc776afe207e85c177889b2f1d06565415d9c0860661b41f6ce57ec [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 04ca236344ff22f258de17ba74326c66b13987bd29add2b0776c21a02ed291d7 [INFO] running `Command { std: "docker" "start" "-a" "04ca236344ff22f258de17ba74326c66b13987bd29add2b0776c21a02ed291d7", 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 0.03s [INFO] [stderr] Running tests/cancel.rs (/opt/rustwide/target/debug/deps/cancel-ea0990297d4c1924) [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-a5c69c0a69763983) [INFO] [stdout] [INFO] [stderr] Running tests/down.rs (/opt/rustwide/target/debug/deps/down-409c34ec7c0487a8) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/up.rs (/opt/rustwide/target/debug/deps/up-444a96a993c10c8f) [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 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "04ca236344ff22f258de17ba74326c66b13987bd29add2b0776c21a02ed291d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04ca236344ff22f258de17ba74326c66b13987bd29add2b0776c21a02ed291d7", kill_on_drop: false }` [INFO] [stdout] 04ca236344ff22f258de17ba74326c66b13987bd29add2b0776c21a02ed291d7