[INFO] fetching crate ci-testing-kbartush 1.5.5...
[INFO] testing ci-testing-kbartush-1.5.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ci-testing-kbartush 1.5.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ci-testing-kbartush 1.5.5 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 ci-testing-kbartush 1.5.5
[INFO] finished tweaking crates.io crate ci-testing-kbartush 1.5.5
[INFO] tweaked toml for crates.io crate ci-testing-kbartush 1.5.5 written to /workspace/builds/worker-2/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdr-rs-serialize-derive v0.1.0-alpha
[INFO] [stderr]   Downloaded xdr-rs-serialize v0.1.0-alpha
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e39ce3bd96bbf6bd06ccc5602cdf241428caa192669fdc03799ac95ec4bb4315
[INFO] running `Command { std: "docker" "start" "-a" "e39ce3bd96bbf6bd06ccc5602cdf241428caa192669fdc03799ac95ec4bb4315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39ce3bd96bbf6bd06ccc5602cdf241428caa192669fdc03799ac95ec4bb4315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39ce3bd96bbf6bd06ccc5602cdf241428caa192669fdc03799ac95ec4bb4315", kill_on_drop: false }`
[INFO] [stdout] e39ce3bd96bbf6bd06ccc5602cdf241428caa192669fdc03799ac95ec4bb4315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d1bf23b1255c2e489e4bbfcb6b2acdaec92fd4ae18bf46287f38774d627d50f3
[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" "d1bf23b1255c2e489e4bbfcb6b2acdaec92fd4ae18bf46287f38774d627d50f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling xdr-rs-serialize v0.1.0-alpha
[INFO] [stderr]    Compiling xdr-rs-serialize-derive v0.1.0-alpha
[INFO] [stderr]    Compiling ci-testing-kbartush v1.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "d1bf23b1255c2e489e4bbfcb6b2acdaec92fd4ae18bf46287f38774d627d50f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bf23b1255c2e489e4bbfcb6b2acdaec92fd4ae18bf46287f38774d627d50f3", kill_on_drop: false }`
[INFO] [stdout] d1bf23b1255c2e489e4bbfcb6b2acdaec92fd4ae18bf46287f38774d627d50f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] eb3074d6d3afc07b89d6f10814e874d1826f999f7a44d638b058ba124f154303
[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" "eb3074d6d3afc07b89d6f10814e874d1826f999f7a44d638b058ba124f154303", kill_on_drop: false }`
[INFO] [stderr]    Compiling ci-testing-kbartush v1.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "eb3074d6d3afc07b89d6f10814e874d1826f999f7a44d638b058ba124f154303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3074d6d3afc07b89d6f10814e874d1826f999f7a44d638b058ba124f154303", kill_on_drop: false }`
[INFO] [stdout] eb3074d6d3afc07b89d6f10814e874d1826f999f7a44d638b058ba124f154303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d1f9a24261a2ac823d88c7a21d371031c5073e4354642850520845040620c9cb
[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" "d1f9a24261a2ac823d88c7a21d371031c5073e4354642850520845040620c9cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ci_testing_kbartush-11ee5f6385628432)
[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 ci-testing-kbartush
[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" "d1f9a24261a2ac823d88c7a21d371031c5073e4354642850520845040620c9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f9a24261a2ac823d88c7a21d371031c5073e4354642850520845040620c9cb", kill_on_drop: false }`
[INFO] [stdout] d1f9a24261a2ac823d88c7a21d371031c5073e4354642850520845040620c9cb