[INFO] fetching crate xmachine 0.2.1...
[INFO] testing xmachine-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xmachine 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate xmachine 0.2.1 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 xmachine 0.2.1
[INFO] finished tweaking crates.io crate xmachine 0.2.1
[INFO] tweaked toml for crates.io crate xmachine 0.2.1 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 16f1a52ead666206cf62df119e56ca8a008a43314c044555e84b9a7cfaf79c24
[INFO] running `Command { std: "docker" "start" "-a" "16f1a52ead666206cf62df119e56ca8a008a43314c044555e84b9a7cfaf79c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f1a52ead666206cf62df119e56ca8a008a43314c044555e84b9a7cfaf79c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f1a52ead666206cf62df119e56ca8a008a43314c044555e84b9a7cfaf79c24", kill_on_drop: false }`
[INFO] [stdout] 16f1a52ead666206cf62df119e56ca8a008a43314c044555e84b9a7cfaf79c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18f8a51e708c747de4d00f0eb276cf40fc353c03780a432b9e7f13e1937fff28
[INFO] running `Command { std: "docker" "start" "-a" "18f8a51e708c747de4d00f0eb276cf40fc353c03780a432b9e7f13e1937fff28", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "18f8a51e708c747de4d00f0eb276cf40fc353c03780a432b9e7f13e1937fff28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f8a51e708c747de4d00f0eb276cf40fc353c03780a432b9e7f13e1937fff28", kill_on_drop: false }`
[INFO] [stdout] 18f8a51e708c747de4d00f0eb276cf40fc353c03780a432b9e7f13e1937fff28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 51bf4800b9dd5c7bb0b446aa4966e3eeb84e6d18f85f3f856d1922c16e4fb9d9
[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" "51bf4800b9dd5c7bb0b446aa4966e3eeb84e6d18f85f3f856d1922c16e4fb9d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "51bf4800b9dd5c7bb0b446aa4966e3eeb84e6d18f85f3f856d1922c16e4fb9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bf4800b9dd5c7bb0b446aa4966e3eeb84e6d18f85f3f856d1922c16e4fb9d9", kill_on_drop: false }`
[INFO] [stdout] 51bf4800b9dd5c7bb0b446aa4966e3eeb84e6d18f85f3f856d1922c16e4fb9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85977176e89cfb4d2aa2f68c8cf35bc98a0024aaf48e507ddf187d3d2aa0c453
[INFO] running `Command { std: "docker" "start" "-a" "85977176e89cfb4d2aa2f68c8cf35bc98a0024aaf48e507ddf187d3d2aa0c453", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xmachine-e14162dfef13a1f1)
[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]      Running tests/church.rs (/opt/rustwide/target/debug/deps/church-83e00ce79647d794)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test church::church ... 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]      Running tests/closure.rs (/opt/rustwide/target/debug/deps/closure-52e3a259d45b163b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test closure_tests::clone_foreign_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/from.rs (/opt/rustwide/target/debug/deps/from-abb03a328a64606d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test from::from_bool ... ok
[INFO] [stdout] test from::from_string ... ok
[INFO] [stdout] test from::from_tree ... ok
[INFO] [stdout] test from::from_number ... ok
[INFO] [stdout] test from::from_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/function.rs (/opt/rustwide/target/debug/deps/function-98a25dafd6013f9f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test function_tests::function_return ... ok
[INFO] [stdout] test function_tests::function_copy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterative.rs (/opt/rustwide/target/debug/deps/iterative-3ec3cfad6d59a7a9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iterative::while_loop ... 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]      Running tests/object.rs (/opt/rustwide/target/debug/deps/object-e41ff8d76dfd0c3f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/value.rs (/opt/rustwide/target/debug/deps/value-0f1159fa0a6b4d3f)
[INFO] [stdout] test object::object ... 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 3 tests
[INFO] [stdout] test value::index ... ok
[INFO] [stdout] test value::display ... ok
[INFO] [stdout] test value::call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85977176e89cfb4d2aa2f68c8cf35bc98a0024aaf48e507ddf187d3d2aa0c453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85977176e89cfb4d2aa2f68c8cf35bc98a0024aaf48e507ddf187d3d2aa0c453", kill_on_drop: false }`
[INFO] [stdout] 85977176e89cfb4d2aa2f68c8cf35bc98a0024aaf48e507ddf187d3d2aa0c453