[INFO] fetching crate cassette 0.2.3...
[INFO] testing cassette-0.2.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate cassette 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cassette 0.2.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 838bbe60228d654ec44d5cdcdb1cd88a463ca467944c4d951acfa6a7480acb72
[INFO] running `Command { std: "docker" "start" "-a" "838bbe60228d654ec44d5cdcdb1cd88a463ca467944c4d951acfa6a7480acb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "838bbe60228d654ec44d5cdcdb1cd88a463ca467944c4d951acfa6a7480acb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838bbe60228d654ec44d5cdcdb1cd88a463ca467944c4d951acfa6a7480acb72", kill_on_drop: false }`
[INFO] [stdout] 838bbe60228d654ec44d5cdcdb1cd88a463ca467944c4d951acfa6a7480acb72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad1362b410593e1b1d993a37f3032480b70186676a3d5d0d3712574ce58cfe0
[INFO] running `Command { std: "docker" "start" "-a" "1ad1362b410593e1b1d993a37f3032480b70186676a3d5d0d3712574ce58cfe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassette v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "1ad1362b410593e1b1d993a37f3032480b70186676a3d5d0d3712574ce58cfe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad1362b410593e1b1d993a37f3032480b70186676a3d5d0d3712574ce58cfe0", kill_on_drop: false }`
[INFO] [stdout] 1ad1362b410593e1b1d993a37f3032480b70186676a3d5d0d3712574ce58cfe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0244f2635e8e2d45102e49469fdc8cdf7c4ea9697d62573143412d9ebb5d4236
[INFO] running `Command { std: "docker" "start" "-a" "0244f2635e8e2d45102e49469fdc8cdf7c4ea9697d62573143412d9ebb5d4236", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassette v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "0244f2635e8e2d45102e49469fdc8cdf7c4ea9697d62573143412d9ebb5d4236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0244f2635e8e2d45102e49469fdc8cdf7c4ea9697d62573143412d9ebb5d4236", kill_on_drop: false }`
[INFO] [stdout] 0244f2635e8e2d45102e49469fdc8cdf7c4ea9697d62573143412d9ebb5d4236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb3c464b9a4487baf2e450bd2eecb8763ecb18b81c3929cb46e14891bf5116cf
[INFO] running `Command { std: "docker" "start" "-a" "bb3c464b9a4487baf2e450bd2eecb8763ecb18b81c3929cb46e14891bf5116cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cassette-c00a062f677acdc5)
[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 cassette
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/futures.rs - futures::poll_fn (line 69) - compile ... 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 - Cassette<T>::poll_on (line 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 110) ... ok
[INFO] [stdout] test src/futures.rs - pin_mut (line 23) ... 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 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb3c464b9a4487baf2e450bd2eecb8763ecb18b81c3929cb46e14891bf5116cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3c464b9a4487baf2e450bd2eecb8763ecb18b81c3929cb46e14891bf5116cf", kill_on_drop: false }`
[INFO] [stdout] bb3c464b9a4487baf2e450bd2eecb8763ecb18b81c3929cb46e14891bf5116cf