[INFO] fetching crate crossbus-derive 0.0.2-a...
[INFO] testing crossbus-derive-0.0.2-a against 1.90.0 for beta-1.91-3
[INFO] extracting crate crossbus-derive 0.0.2-a into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate crossbus-derive 0.0.2-a
[INFO] finished tweaking crates.io crate crossbus-derive 0.0.2-a
[INFO] tweaked toml for crates.io crate crossbus-derive 0.0.2-a written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crossbus-derive 0.0.2-a on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a2d6523ab3d50927b90f22b9342a0647fa356172e7ea6837e4cd7713eea479
[INFO] running `Command { std: "docker" "start" "-a" "f2a2d6523ab3d50927b90f22b9342a0647fa356172e7ea6837e4cd7713eea479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a2d6523ab3d50927b90f22b9342a0647fa356172e7ea6837e4cd7713eea479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a2d6523ab3d50927b90f22b9342a0647fa356172e7ea6837e4cd7713eea479", kill_on_drop: false }`
[INFO] [stdout] f2a2d6523ab3d50927b90f22b9342a0647fa356172e7ea6837e4cd7713eea479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28cceb446204b389196557b3b592a70ae8373e0178c9630a87219895bad669c0
[INFO] running `Command { std: "docker" "start" "-a" "28cceb446204b389196557b3b592a70ae8373e0178c9630a87219895bad669c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbus-derive v0.0.2-a (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     stream
[INFO] [stdout] 11 | |         .into_iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |             ControlFlow::Continue(())
[INFO] [stdout] 23 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = stream
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     stream
[INFO] [stdout] 58 | |         .into_iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |             ControlFlow::Continue(())
[INFO] [stdout] 70 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = stream
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "28cceb446204b389196557b3b592a70ae8373e0178c9630a87219895bad669c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cceb446204b389196557b3b592a70ae8373e0178c9630a87219895bad669c0", kill_on_drop: false }`
[INFO] [stdout] 28cceb446204b389196557b3b592a70ae8373e0178c9630a87219895bad669c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f4d2f122e7aa497ed8408c2538dbc88a9aef1392d22c5994dde22b44fb4a54d
[INFO] running `Command { std: "docker" "start" "-a" "0f4d2f122e7aa497ed8408c2538dbc88a9aef1392d22c5994dde22b44fb4a54d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbus-derive v0.0.2-a (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     stream
[INFO] [stdout] 11 | |         .into_iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |             ControlFlow::Continue(())
[INFO] [stdout] 23 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = stream
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     stream
[INFO] [stdout] 58 | |         .into_iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |             ControlFlow::Continue(())
[INFO] [stdout] 70 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = stream
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     stream
[INFO] [stdout] 11 | |         .into_iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |             ControlFlow::Continue(())
[INFO] [stdout] 23 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = stream
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     stream
[INFO] [stdout] 58 | |         .into_iter()
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |             ControlFlow::Continue(())
[INFO] [stdout] 70 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = stream
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "0f4d2f122e7aa497ed8408c2538dbc88a9aef1392d22c5994dde22b44fb4a54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4d2f122e7aa497ed8408c2538dbc88a9aef1392d22c5994dde22b44fb4a54d", kill_on_drop: false }`
[INFO] [stdout] 0f4d2f122e7aa497ed8408c2538dbc88a9aef1392d22c5994dde22b44fb4a54d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4edb9f55c6b6a3442b4505d9016512083f6425eb2ca01d8f9665288e004300ca
[INFO] running `Command { std: "docker" "start" "-a" "4edb9f55c6b6a3442b4505d9016512083f6425eb2ca01d8f9665288e004300ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused `ControlFlow` that must be used
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     stream
[INFO] [stderr] 11 | |         .into_iter()
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |             ControlFlow::Continue(())
[INFO] [stderr] 23 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let _ = stream
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `ControlFlow` that must be used
[INFO] [stderr]   --> src/lib.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     stream
[INFO] [stderr] 58 | |         .into_iter()
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |             ControlFlow::Continue(())
[INFO] [stderr] 70 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let _ = stream
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `crossbus-derive` (lib) generated 2 warnings
[INFO] [stderr] warning: `crossbus-derive` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crossbus_derive-ef2b56052eeb8186)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crossbus_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4edb9f55c6b6a3442b4505d9016512083f6425eb2ca01d8f9665288e004300ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edb9f55c6b6a3442b4505d9016512083f6425eb2ca01d8f9665288e004300ca", kill_on_drop: false }`
[INFO] [stdout] 4edb9f55c6b6a3442b4505d9016512083f6425eb2ca01d8f9665288e004300ca