[INFO] fetching crate nativestack 0.1.0...
[INFO] testing nativestack-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nativestack 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate nativestack 0.1.0 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 nativestack 0.1.0
[INFO] finished tweaking crates.io crate nativestack 0.1.0
[INFO] tweaked toml for crates.io crate nativestack 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 246df3d96be717db74a4d5e83443db0c1f77b79d357aea3624af30e0e1cae2d6
[INFO] running `Command { std: "docker" "start" "-a" "246df3d96be717db74a4d5e83443db0c1f77b79d357aea3624af30e0e1cae2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246df3d96be717db74a4d5e83443db0c1f77b79d357aea3624af30e0e1cae2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246df3d96be717db74a4d5e83443db0c1f77b79d357aea3624af30e0e1cae2d6", kill_on_drop: false }`
[INFO] [stdout] 246df3d96be717db74a4d5e83443db0c1f77b79d357aea3624af30e0e1cae2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 00d8a622fee8a3dc6389307e727059c2877b8ebf7fbb9426a349c10f233c7253
[INFO] running `Command { std: "docker" "start" "-a" "00d8a622fee8a3dc6389307e727059c2877b8ebf7fbb9426a349c10f233c7253", kill_on_drop: false }`
[INFO] [stderr]    Compiling nativestack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "00d8a622fee8a3dc6389307e727059c2877b8ebf7fbb9426a349c10f233c7253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d8a622fee8a3dc6389307e727059c2877b8ebf7fbb9426a349c10f233c7253", kill_on_drop: false }`
[INFO] [stdout] 00d8a622fee8a3dc6389307e727059c2877b8ebf7fbb9426a349c10f233c7253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 5374c6b543dc00ccc93ac27cc7a554becedbefd1050e23ff8edeb4e0e621c4c6
[INFO] running `Command { std: "docker" "start" "-a" "5374c6b543dc00ccc93ac27cc7a554becedbefd1050e23ff8edeb4e0e621c4c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling nativestack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5374c6b543dc00ccc93ac27cc7a554becedbefd1050e23ff8edeb4e0e621c4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5374c6b543dc00ccc93ac27cc7a554becedbefd1050e23ff8edeb4e0e621c4c6", kill_on_drop: false }`
[INFO] [stdout] 5374c6b543dc00ccc93ac27cc7a554becedbefd1050e23ff8edeb4e0e621c4c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7b88def7b6ae4d7698b27b537201150a89ce9ccdfb0f558b75f65dccb66bc812
[INFO] running `Command { std: "docker" "start" "-a" "7b88def7b6ae4d7698b27b537201150a89ce9ccdfb0f558b75f65dccb66bc812", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nativestack-4af198beb1e071ff)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests nativestack
[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" "7b88def7b6ae4d7698b27b537201150a89ce9ccdfb0f558b75f65dccb66bc812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b88def7b6ae4d7698b27b537201150a89ce9ccdfb0f558b75f65dccb66bc812", kill_on_drop: false }`
[INFO] [stdout] 7b88def7b6ae4d7698b27b537201150a89ce9ccdfb0f558b75f65dccb66bc812