[INFO] fetching crate xorstream 2.0.2...
[INFO] testing xorstream-2.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xorstream 2.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate xorstream 2.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xorstream 2.0.2
[INFO] finished tweaking crates.io crate xorstream 2.0.2
[INFO] tweaked toml for crates.io crate xorstream 2.0.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate xorstream 2.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-std v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7f1f2c26dc64de43f0707049be0b60341d6982f60be47107cd4026247123fa6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7f1f2c26dc64de43f0707049be0b60341d6982f60be47107cd4026247123fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f1f2c26dc64de43f0707049be0b60341d6982f60be47107cd4026247123fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f1f2c26dc64de43f0707049be0b60341d6982f60be47107cd4026247123fa6", kill_on_drop: false }`
[INFO] [stdout] d7f1f2c26dc64de43f0707049be0b60341d6982f60be47107cd4026247123fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452dd74c8602e16ee048a63261c6fbf9916ae6cb52e5b33e4c49fa5ed640af5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "452dd74c8602e16ee048a63261c6fbf9916ae6cb52e5b33e4c49fa5ed640af5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling xorstream v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "452dd74c8602e16ee048a63261c6fbf9916ae6cb52e5b33e4c49fa5ed640af5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452dd74c8602e16ee048a63261c6fbf9916ae6cb52e5b33e4c49fa5ed640af5b", kill_on_drop: false }`
[INFO] [stdout] 452dd74c8602e16ee048a63261c6fbf9916ae6cb52e5b33e4c49fa5ed640af5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a596260406e2dbfcd15e9d301923ad6e3c95ece8eedab080034cd52fccc74445
[INFO] running `Command { std: "docker" "start" "-a" "a596260406e2dbfcd15e9d301923ad6e3c95ece8eedab080034cd52fccc74445", kill_on_drop: false }`
[INFO] [stderr]    Compiling xorstream v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "a596260406e2dbfcd15e9d301923ad6e3c95ece8eedab080034cd52fccc74445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a596260406e2dbfcd15e9d301923ad6e3c95ece8eedab080034cd52fccc74445", kill_on_drop: false }`
[INFO] [stdout] a596260406e2dbfcd15e9d301923ad6e3c95ece8eedab080034cd52fccc74445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdffc91ea67398536a04fc98d43b1f37f844f704b8b517e641dc55a7c31cbcdd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdffc91ea67398536a04fc98d43b1f37f844f704b8b517e641dc55a7c31cbcdd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xorstream-8a1d96308648d244)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests xorstream
[INFO] [stdout] test stream::x_std::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "fdffc91ea67398536a04fc98d43b1f37f844f704b8b517e641dc55a7c31cbcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdffc91ea67398536a04fc98d43b1f37f844f704b8b517e641dc55a7c31cbcdd", kill_on_drop: false }`
[INFO] [stdout] fdffc91ea67398536a04fc98d43b1f37f844f704b8b517e641dc55a7c31cbcdd