[INFO] fetching crate cassette 0.2.3...
[INFO] testing cassette-0.2.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cassette 0.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cassette 0.2.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8077e1b47b1045959fba4f9f38215740c052f4eb6ec17764ce470b72430d50e1
[INFO] running `Command { std: "docker" "start" "-a" "8077e1b47b1045959fba4f9f38215740c052f4eb6ec17764ce470b72430d50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8077e1b47b1045959fba4f9f38215740c052f4eb6ec17764ce470b72430d50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8077e1b47b1045959fba4f9f38215740c052f4eb6ec17764ce470b72430d50e1", kill_on_drop: false }`
[INFO] [stdout] 8077e1b47b1045959fba4f9f38215740c052f4eb6ec17764ce470b72430d50e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1067ab07b4d6401cfe3b6cecd51e71c3cfde28f3a2f7cc5ef390d0c6813a02
[INFO] running `Command { std: "docker" "start" "-a" "4f1067ab07b4d6401cfe3b6cecd51e71c3cfde28f3a2f7cc5ef390d0c6813a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassette v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "4f1067ab07b4d6401cfe3b6cecd51e71c3cfde28f3a2f7cc5ef390d0c6813a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1067ab07b4d6401cfe3b6cecd51e71c3cfde28f3a2f7cc5ef390d0c6813a02", kill_on_drop: false }`
[INFO] [stdout] 4f1067ab07b4d6401cfe3b6cecd51e71c3cfde28f3a2f7cc5ef390d0c6813a02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d82f4e4022c4a6b22ba93af8537726081bcb8629a4fc292bf65ed0b9dfa2894
[INFO] running `Command { std: "docker" "start" "-a" "4d82f4e4022c4a6b22ba93af8537726081bcb8629a4fc292bf65ed0b9dfa2894", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassette v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "4d82f4e4022c4a6b22ba93af8537726081bcb8629a4fc292bf65ed0b9dfa2894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d82f4e4022c4a6b22ba93af8537726081bcb8629a4fc292bf65ed0b9dfa2894", kill_on_drop: false }`
[INFO] [stdout] 4d82f4e4022c4a6b22ba93af8537726081bcb8629a4fc292bf65ed0b9dfa2894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac94f9b615a4e8cac3bbf1ba9f326bcc2801e2a5a8948c2aa80a54ee9d6f1c0b
[INFO] running `Command { std: "docker" "start" "-a" "ac94f9b615a4e8cac3bbf1ba9f326bcc2801e2a5a8948c2aa80a54ee9d6f1c0b", 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-2c3069adf8a27c74)
[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 - (line 25) ... ok
[INFO] [stdout] test src/futures.rs - futures::pin_mut (line 23) ... ok
[INFO] [stdout] test src/lib.rs - Cassette<T>::new (line 259) ... ok
[INFO] [stdout] test src/lib.rs - (line 178) ... ok
[INFO] [stdout] test src/lib.rs - (line 110) ... 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] 
[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" "ac94f9b615a4e8cac3bbf1ba9f326bcc2801e2a5a8948c2aa80a54ee9d6f1c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac94f9b615a4e8cac3bbf1ba9f326bcc2801e2a5a8948c2aa80a54ee9d6f1c0b", kill_on_drop: false }`
[INFO] [stdout] ac94f9b615a4e8cac3bbf1ba9f326bcc2801e2a5a8948c2aa80a54ee9d6f1c0b