[INFO] fetching crate xmachine 0.2.1...
[INFO] testing xmachine-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xmachine 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xmachine 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f10e5d47fa78c44e59a7c2c21557629df22897c78abb1f079eafea75f0b5561
[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" "4f10e5d47fa78c44e59a7c2c21557629df22897c78abb1f079eafea75f0b5561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f10e5d47fa78c44e59a7c2c21557629df22897c78abb1f079eafea75f0b5561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f10e5d47fa78c44e59a7c2c21557629df22897c78abb1f079eafea75f0b5561", kill_on_drop: false }`
[INFO] [stdout] 4f10e5d47fa78c44e59a7c2c21557629df22897c78abb1f079eafea75f0b5561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c8f8c460e3c011f3ee10f93e7ec404aa2f38ff04fd7947cbf8c4617e216bd9
[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" "39c8f8c460e3c011f3ee10f93e7ec404aa2f38ff04fd7947cbf8c4617e216bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "39c8f8c460e3c011f3ee10f93e7ec404aa2f38ff04fd7947cbf8c4617e216bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c8f8c460e3c011f3ee10f93e7ec404aa2f38ff04fd7947cbf8c4617e216bd9", kill_on_drop: false }`
[INFO] [stdout] 39c8f8c460e3c011f3ee10f93e7ec404aa2f38ff04fd7947cbf8c4617e216bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6650e544509aab3d1e520d2e34646b986f0769e362b23291d59396bc3526db39
[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" "6650e544509aab3d1e520d2e34646b986f0769e362b23291d59396bc3526db39", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "6650e544509aab3d1e520d2e34646b986f0769e362b23291d59396bc3526db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6650e544509aab3d1e520d2e34646b986f0769e362b23291d59396bc3526db39", kill_on_drop: false }`
[INFO] [stdout] 6650e544509aab3d1e520d2e34646b986f0769e362b23291d59396bc3526db39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ca1425db8ff63ca73203cbe1a23f09978d86de8012ce58d03618e7bb930d94b
[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" "3ca1425db8ff63ca73203cbe1a23f09978d86de8012ce58d03618e7bb930d94b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xmachine-50153fd0a3586757
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/church-9d9ea33dc8f425f3
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/closure-5cdcb2c770959bbe
[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] [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] [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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from-58553fb8556360f7
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test from::from_bool ... ok
[INFO] [stdout] test from::from_list ... ok
[INFO] [stdout] test from::from_number ... ok
[INFO] [stdout] test from::from_tree ... ok
[INFO] [stdout] test from::from_string ... 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 /opt/rustwide/target/debug/deps/function-d671fad65b717803
[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 /opt/rustwide/target/debug/deps/iterative-9ba205c2d26467c7
[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 /opt/rustwide/target/debug/deps/object-7df8268e30e04be4
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/value-a3a56644d826edd9
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test value::call ... ok
[INFO] [stdout] test value::index ... ok
[INFO] [stdout] test value::display ... 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" "3ca1425db8ff63ca73203cbe1a23f09978d86de8012ce58d03618e7bb930d94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca1425db8ff63ca73203cbe1a23f09978d86de8012ce58d03618e7bb930d94b", kill_on_drop: false }`
[INFO] [stdout] 3ca1425db8ff63ca73203cbe1a23f09978d86de8012ce58d03618e7bb930d94b