[INFO] fetching crate ducc 0.1.5...
[INFO] testing ducc-0.1.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ducc 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ducc 0.1.5 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 ducc 0.1.5
[INFO] finished tweaking crates.io crate ducc 0.1.5
[INFO] tweaked toml for crates.io crate ducc 0.1.5 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 92da89564e8a875aec80484d085b08085d04f7eac6d044f4f381eef5a99526ee
[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" "92da89564e8a875aec80484d085b08085d04f7eac6d044f4f381eef5a99526ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92da89564e8a875aec80484d085b08085d04f7eac6d044f4f381eef5a99526ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92da89564e8a875aec80484d085b08085d04f7eac6d044f4f381eef5a99526ee", kill_on_drop: false }`
[INFO] [stdout] 92da89564e8a875aec80484d085b08085d04f7eac6d044f4f381eef5a99526ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 39e4d57e3cd62d6dd07d17ba2d43757c9f9dbbd678c9588989b1e7cc09e90926
[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" "39e4d57e3cd62d6dd07d17ba2d43757c9f9dbbd678c9588989b1e7cc09e90926", kill_on_drop: false }`
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling ducc-sys v0.1.2
[INFO] [stderr]    Compiling ducc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "39e4d57e3cd62d6dd07d17ba2d43757c9f9dbbd678c9588989b1e7cc09e90926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e4d57e3cd62d6dd07d17ba2d43757c9f9dbbd678c9588989b1e7cc09e90926", kill_on_drop: false }`
[INFO] [stdout] 39e4d57e3cd62d6dd07d17ba2d43757c9f9dbbd678c9588989b1e7cc09e90926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0dd2a7f3ae903a3878e70d952749aff1983232082bb93627b3ef87a39ef13147
[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" "0dd2a7f3ae903a3878e70d952749aff1983232082bb93627b3ef87a39ef13147", kill_on_drop: false }`
[INFO] [stderr]    Compiling ducc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "0dd2a7f3ae903a3878e70d952749aff1983232082bb93627b3ef87a39ef13147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd2a7f3ae903a3878e70d952749aff1983232082bb93627b3ef87a39ef13147", kill_on_drop: false }`
[INFO] [stdout] 0dd2a7f3ae903a3878e70d952749aff1983232082bb93627b3ef87a39ef13147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] daf0c0141352afdc4f63249c3be216ab09eec18395668ee57a7e5391b5a63c71
[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" "daf0c0141352afdc4f63249c3be216ab09eec18395668ee57a7e5391b5a63c71", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 42 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ducc-eb135f2395234a26
[INFO] [stdout] test tests::array::len ... ok
[INFO] [stdout] test tests::array::elements ... ok
[INFO] [stdout] test tests::conversion::tuple ... ok
[INFO] [stdout] test tests::conversion::variadic ... ok
[INFO] [stdout] test tests::array::push ... ok
[INFO] [stdout] test tests::conversion::vec ... ok
[INFO] [stdout] test tests::array::set_get ... ok
[INFO] [stdout] test tests::ducc::inspect_call_stack ... ok
[INFO] [stdout] test tests::conversion::option ... ok
[INFO] [stdout] test tests::function::js_function ... ok
[INFO] [stdout] test tests::ducc::user_data_get ... ok
[INFO] [stdout] test tests::conversion::hash_set ... ok
[INFO] [stdout] test tests::ducc::user_data_remove ... ok
[INFO] [stdout] test tests::function::return_unit ... ok
[INFO] [stdout] test tests::conversion::hash_map ... ok
[INFO] [stdout] test tests::function::rust_closure ... ok
[INFO] [stdout] test tests::function::number_this ... ok
[INFO] [stdout] test tests::function::rust_closure_mut_callback_error ... ok
[INFO] [stdout] test tests::function::double_drop_rust_function ... ok
[INFO] [stdout] test tests::conversion::btree_set ... ok
[INFO] [stdout] test tests::ducc::no_duktape_global ... ok
[INFO] [stdout] test tests::object::len ... ok
[INFO] [stdout] test tests::ducc::user_data_drop ... ok
[INFO] [stdout] test tests::function::rust_function ... ok
[INFO] [stdout] test tests::function::rust_function_error ... ok
[INFO] [stdout] test tests::object::call_prop ... ok
[INFO] [stdout] test tests::object::define_prop_error ... ok
[INFO] [stdout] test tests::util::test_assert_stack ... ok
[INFO] [stdout] test tests::object::set_get ... ok
[INFO] [stdout] test tests::conversion::btree_map ... ok
[INFO] [stdout] test tests::util::test_protect_duktape_closure ... ok
[INFO] [stdout] test tests::util::test_protect_duktape_closure_err ... ok
[INFO] [stdout] test tests::util::test_throw_non_object_error ... ok
[INFO] [stdout] test tests::object::remove ... ok
[INFO] [stdout] test tests::string::compare ... ok
[INFO] [stdout] test tests::bytes::to_vec ... ok
[INFO] [stdout] test tests::object::define_prop ... ok
[INFO] [stdout] test tests::object::properties ... ok
[INFO] [stdout] test tests::object::contains_key ... ok
[INFO] [stdout] test tests::util::test_assert_stack_panic ... ok
[INFO] [stdout] test tests::ducc::value_cross_contamination ... ok
[INFO] [stdout] test tests::ducc::timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ducc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ducc.rs - ducc::Ducc::inspect_call_stack_entry (line 289) ... ok
[INFO] [stdout] test src/object.rs - object::Object::define_prop (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daf0c0141352afdc4f63249c3be216ab09eec18395668ee57a7e5391b5a63c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf0c0141352afdc4f63249c3be216ab09eec18395668ee57a7e5391b5a63c71", kill_on_drop: false }`
[INFO] [stdout] daf0c0141352afdc4f63249c3be216ab09eec18395668ee57a7e5391b5a63c71