[INFO] fetching crate simple-observable 0.2.2...
[INFO] testing simple-observable-0.2.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate simple-observable 0.2.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate simple-observable 0.2.2 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 simple-observable 0.2.2
[INFO] finished tweaking crates.io crate simple-observable 0.2.2
[INFO] tweaked toml for crates.io crate simple-observable 0.2.2 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate simple-observable 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 0059315b0368edabf1b27052e6bbf06ddbf22dfb92221f8b956f52bee1e92b72
[INFO] running `Command { std: "docker" "start" "-a" "0059315b0368edabf1b27052e6bbf06ddbf22dfb92221f8b956f52bee1e92b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0059315b0368edabf1b27052e6bbf06ddbf22dfb92221f8b956f52bee1e92b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0059315b0368edabf1b27052e6bbf06ddbf22dfb92221f8b956f52bee1e92b72", kill_on_drop: false }`
[INFO] [stdout] 0059315b0368edabf1b27052e6bbf06ddbf22dfb92221f8b956f52bee1e92b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d07738323f06ef55cff5f2b2ba2793a00753fb74a88631a5cde996d529d0b38f
[INFO] running `Command { std: "docker" "start" "-a" "d07738323f06ef55cff5f2b2ba2793a00753fb74a88631a5cde996d529d0b38f", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-observable v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "d07738323f06ef55cff5f2b2ba2793a00753fb74a88631a5cde996d529d0b38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07738323f06ef55cff5f2b2ba2793a00753fb74a88631a5cde996d529d0b38f", kill_on_drop: false }`
[INFO] [stdout] d07738323f06ef55cff5f2b2ba2793a00753fb74a88631a5cde996d529d0b38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] a9162c44f2b9f57d12dc6ef53b1766fc2fe3988be47e00c073239fa1b606d533
[INFO] running `Command { std: "docker" "start" "-a" "a9162c44f2b9f57d12dc6ef53b1766fc2fe3988be47e00c073239fa1b606d533", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-observable v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_observable-a8cf5fc0d02a2830)
[INFO] running `Command { std: "docker" "inspect" "a9162c44f2b9f57d12dc6ef53b1766fc2fe3988be47e00c073239fa1b606d533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9162c44f2b9f57d12dc6ef53b1766fc2fe3988be47e00c073239fa1b606d533", kill_on_drop: false }`
[INFO] [stdout] a9162c44f2b9f57d12dc6ef53b1766fc2fe3988be47e00c073239fa1b606d533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] afb15fa8a7b73ddbfa392f39053850b4f592dac7bc83906591a6062861c31607
[INFO] running `Command { std: "docker" "start" "-a" "afb15fa8a7b73ddbfa392f39053850b4f592dac7bc83906591a6062861c31607", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_observable-a8cf5fc0d02a2830)
[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 simple-observable
[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" "afb15fa8a7b73ddbfa392f39053850b4f592dac7bc83906591a6062861c31607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb15fa8a7b73ddbfa392f39053850b4f592dac7bc83906591a6062861c31607", kill_on_drop: false }`
[INFO] [stdout] afb15fa8a7b73ddbfa392f39053850b4f592dac7bc83906591a6062861c31607