[INFO] fetching crate cxx-async 0.1.4...
[INFO] testing cxx-async-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate cxx-async 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cxx-async 0.1.4
[INFO] finished tweaking crates.io crate cxx-async 0.1.4
[INFO] tweaked toml for crates.io crate cxx-async 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cxx-async 0.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cxx-async 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxx-async-macro v0.1.4
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.202
[INFO] [stderr]   Downloaded cxx v1.0.202
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.202
[INFO] [stderr]   Downloaded cxxbridge-cmd v1.0.202
[INFO] [stderr]   Downloaded cxx-build v1.0.202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8
[INFO] running `Command { std: "docker" "start" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.202
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling cc v1.6.0
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling cxx v1.0.202
[INFO] [stderr]    Compiling cxx-build v1.0.202
[INFO] [stderr]    Compiling cxx-async-macro v0.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.202
[INFO] [stderr]    Compiling async-recursion v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling cxx-async v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stdout] warning: unused variable: `waker_data`
[INFO] [stdout]    --> src/lib.rs:719:5
[INFO] [stdout]     |
[INFO] [stdout] 719 |     waker_data: *const u8,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waker_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sent`
[INFO] [stdout]    --> src/lib.rs:727:17
[INFO] [stdout]     |
[INFO] [stdout] 727 |             let sent = this.try_send_value_with(None, || ptr::read(value as *const Item));
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_sent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 17.14s
[INFO] running `Command { std: "docker" "inspect" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cxx-async v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `waker_data`
[INFO] [stdout]    --> src/lib.rs:719:5
[INFO] [stdout]     |
[INFO] [stdout] 719 |     waker_data: *const u8,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waker_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sent`
[INFO] [stdout]    --> src/lib.rs:727:17
[INFO] [stdout]     |
[INFO] [stdout] 727 |             let sent = this.try_send_value_with(None, || ptr::read(value as *const Item));
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_sent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waker_data`
[INFO] [stdout]    --> src/lib.rs:719:5
[INFO] [stdout]     |
[INFO] [stdout] 719 |     waker_data: *const u8,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waker_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sent`
[INFO] [stdout]    --> src/lib.rs:727:17
[INFO] [stdout]     |
[INFO] [stdout] 727 |             let sent = this.try_send_value_with(None, || ptr::read(value as *const Item));
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_sent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `waker_data`
[INFO] [stderr]    --> src/lib.rs:719:5
[INFO] [stderr]     |
[INFO] [stderr] 719 |     waker_data: *const u8,
[INFO] [stderr]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waker_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sent`
[INFO] [stderr]    --> src/lib.rs:727:17
[INFO] [stderr]     |
[INFO] [stderr] 727 |             let sent = this.try_send_value_with(None, || ptr::read(value as *const Item));
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_sent`
[INFO] [stderr] 
[INFO] [stderr] warning: `cxx-async` (lib) generated 2 warnings (run `cargo fix --lib -p cxx-async` to apply 2 suggestions)
[INFO] [stderr] warning: `cxx-async` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/cxx_async-4c8ecf1d2a219fa2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cxx_async
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 117) ... ignored
[INFO] [stdout] test src/lib.rs - (line 127) ... ignored
[INFO] [stdout] test src/lib.rs - (line 44) ... ignored
[INFO] [stdout] test src/lib.rs - (line 67) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8", kill_on_drop: false }`
[INFO] [stdout] 3168295c7467acbfd6d565c81795d4c89ef20cd4d8b728c1a39d4d42eb9377b8
