[INFO] fetching crate xmachine 0.2.1...
[INFO] testing xmachine-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xmachine 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate xmachine 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c07f58521131ed8e4c3c0a1121eecbfc6b0a89c222c2e4efe8d4fcb6bfd10a0
[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" "4c07f58521131ed8e4c3c0a1121eecbfc6b0a89c222c2e4efe8d4fcb6bfd10a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c07f58521131ed8e4c3c0a1121eecbfc6b0a89c222c2e4efe8d4fcb6bfd10a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c07f58521131ed8e4c3c0a1121eecbfc6b0a89c222c2e4efe8d4fcb6bfd10a0", kill_on_drop: false }`
[INFO] [stdout] 4c07f58521131ed8e4c3c0a1121eecbfc6b0a89c222c2e4efe8d4fcb6bfd10a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 607f7f4a00f104de30adcaa6d031522043885370575ac9a8db801486da56a4a9
[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" "607f7f4a00f104de30adcaa6d031522043885370575ac9a8db801486da56a4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "607f7f4a00f104de30adcaa6d031522043885370575ac9a8db801486da56a4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607f7f4a00f104de30adcaa6d031522043885370575ac9a8db801486da56a4a9", kill_on_drop: false }`
[INFO] [stdout] 607f7f4a00f104de30adcaa6d031522043885370575ac9a8db801486da56a4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db7a82e36d9ae762185f016671352367c6456499788cc55c199aa3e5c04b7d2
[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" "1db7a82e36d9ae762185f016671352367c6456499788cc55c199aa3e5c04b7d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "1db7a82e36d9ae762185f016671352367c6456499788cc55c199aa3e5c04b7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db7a82e36d9ae762185f016671352367c6456499788cc55c199aa3e5c04b7d2", kill_on_drop: false }`
[INFO] [stdout] 1db7a82e36d9ae762185f016671352367c6456499788cc55c199aa3e5c04b7d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06d8eaecef7767ef0ca9c4f0c610e34537be74a31a967934f2000882bbe1892c
[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" "06d8eaecef7767ef0ca9c4f0c610e34537be74a31a967934f2000882bbe1892c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xmachine-c4c014699f52edca
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/church-8350ae0796c76c4b
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/closure-ddfbb064ec40902b
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from-a290735f7d0280f5
[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_number ... ok
[INFO] [stdout] test from::from_tree ... 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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/function-1e6c1296c3205665
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test function_tests::function_copy ... ok
[INFO] [stdout] test function_tests::function_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterative-1eb22f81bbb8bc35
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/object-224bdea9f7d2e412
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test object::object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/value-89c8b45469276bf5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test value::call ... ok
[INFO] [stdout] test value::display ... ok
[INFO] [stdout] test value::index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06d8eaecef7767ef0ca9c4f0c610e34537be74a31a967934f2000882bbe1892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d8eaecef7767ef0ca9c4f0c610e34537be74a31a967934f2000882bbe1892c", kill_on_drop: false }`
[INFO] [stdout] 06d8eaecef7767ef0ca9c4f0c610e34537be74a31a967934f2000882bbe1892c