[INFO] fetching crate cassette 0.2.3...
[INFO] testing cassette-0.2.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cassette 0.2.3 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate cassette 0.2.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cassette 0.2.3
[INFO] finished tweaking crates.io crate cassette 0.2.3
[INFO] tweaked toml for crates.io crate cassette 0.2.3 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722de90bfcf7ea528700c18793537acf3855547e6231ab8412a3e0120d3aecff
[INFO] running `Command { std: "docker" "start" "-a" "722de90bfcf7ea528700c18793537acf3855547e6231ab8412a3e0120d3aecff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722de90bfcf7ea528700c18793537acf3855547e6231ab8412a3e0120d3aecff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722de90bfcf7ea528700c18793537acf3855547e6231ab8412a3e0120d3aecff", kill_on_drop: false }`
[INFO] [stdout] 722de90bfcf7ea528700c18793537acf3855547e6231ab8412a3e0120d3aecff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c83edab121f6d4c423247ddc597ea30e65417f20aa73fb2d4a1b735e027f5b6b
[INFO] running `Command { std: "docker" "start" "-a" "c83edab121f6d4c423247ddc597ea30e65417f20aa73fb2d4a1b735e027f5b6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cassette v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "c83edab121f6d4c423247ddc597ea30e65417f20aa73fb2d4a1b735e027f5b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83edab121f6d4c423247ddc597ea30e65417f20aa73fb2d4a1b735e027f5b6b", kill_on_drop: false }`
[INFO] [stdout] c83edab121f6d4c423247ddc597ea30e65417f20aa73fb2d4a1b735e027f5b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6e429409bf199fa94fcc22788f02d1fcb4b8dc7a03cb837ce82f49abcdc0c2b
[INFO] running `Command { std: "docker" "start" "-a" "f6e429409bf199fa94fcc22788f02d1fcb4b8dc7a03cb837ce82f49abcdc0c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassette v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cassette-2c3069adf8a27c74)
[INFO] running `Command { std: "docker" "inspect" "f6e429409bf199fa94fcc22788f02d1fcb4b8dc7a03cb837ce82f49abcdc0c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e429409bf199fa94fcc22788f02d1fcb4b8dc7a03cb837ce82f49abcdc0c2b", kill_on_drop: false }`
[INFO] [stdout] f6e429409bf199fa94fcc22788f02d1fcb4b8dc7a03cb837ce82f49abcdc0c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bcfbc3e6130be49173c98da08c2211f620e7fdffbfcfb40bef84b1f2fcde37e
[INFO] running `Command { std: "docker" "start" "-a" "3bcfbc3e6130be49173c98da08c2211f620e7fdffbfcfb40bef84b1f2fcde37e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cassette-2c3069adf8a27c74)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests cassette
[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 8 tests
[INFO] [stdout] test src/futures.rs - futures::poll_fn (line 69) - compile ... ok
[INFO] [stdout] test src/futures.rs - futures::pin_mut (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 110) ... ok
[INFO] [stdout] test src/lib.rs - Cassette<T>::new (line 259) ... ok
[INFO] [stdout] test src/lib.rs - (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - Cassette<T>::poll_on (line 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 178) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3bcfbc3e6130be49173c98da08c2211f620e7fdffbfcfb40bef84b1f2fcde37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bcfbc3e6130be49173c98da08c2211f620e7fdffbfcfb40bef84b1f2fcde37e", kill_on_drop: false }`
[INFO] [stdout] 3bcfbc3e6130be49173c98da08c2211f620e7fdffbfcfb40bef84b1f2fcde37e