[INFO] fetching crate pr47 0.1.0...
[INFO] testing pr47-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pr47 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pr47 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pr47 0.1.0
[INFO] finished tweaking crates.io crate pr47 0.1.0
[INFO] tweaked toml for crates.io crate pr47 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pr47 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3769946fe0f2a4762df647062cf36751924f3fc8d9720f10a2025ac18ab9e9f6
[INFO] running `Command { std: "docker" "start" "-a" "3769946fe0f2a4762df647062cf36751924f3fc8d9720f10a2025ac18ab9e9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3769946fe0f2a4762df647062cf36751924f3fc8d9720f10a2025ac18ab9e9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3769946fe0f2a4762df647062cf36751924f3fc8d9720f10a2025ac18ab9e9f6", kill_on_drop: false }`
[INFO] [stdout] 3769946fe0f2a4762df647062cf36751924f3fc8d9720f10a2025ac18ab9e9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fa5bc911076e4de134dd08d2392ecf58c152001e8cddd305dca7fb07a9caa5a
[INFO] running `Command { std: "docker" "start" "-a" "3fa5bc911076e4de134dd08d2392ecf58c152001e8cddd305dca7fb07a9caa5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling unchecked_unwrap v3.0.0
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pr47-codegen v0.0.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling pr47 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.87s
[INFO] running `Command { std: "docker" "inspect" "3fa5bc911076e4de134dd08d2392ecf58c152001e8cddd305dca7fb07a9caa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa5bc911076e4de134dd08d2392ecf58c152001e8cddd305dca7fb07a9caa5a", kill_on_drop: false }`
[INFO] [stdout] 3fa5bc911076e4de134dd08d2392ecf58c152001e8cddd305dca7fb07a9caa5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dece0a54e7e499f490862a615a73027c7f9ac83515091b66e4a5864b8231156
[INFO] running `Command { std: "docker" "start" "-a" "5dece0a54e7e499f490862a615a73027c7f9ac83515091b66e4a5864b8231156", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling pr47 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "5dece0a54e7e499f490862a615a73027c7f9ac83515091b66e4a5864b8231156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dece0a54e7e499f490862a615a73027c7f9ac83515091b66e4a5864b8231156", kill_on_drop: false }`
[INFO] [stdout] 5dece0a54e7e499f490862a615a73027c7f9ac83515091b66e4a5864b8231156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78fe2cc8aab57061031b0901e4f054fb92795a03a344220b97238ffaeb044354
[INFO] running `Command { std: "docker" "start" "-a" "78fe2cc8aab57061031b0901e4f054fb92795a03a344220b97238ffaeb044354", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pr47-0f9d6f94769c4a53)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test data::test::test_dyn_base_assoc ... ok
[INFO] [stdout] test data::test::test_mem_layout ... ok
[INFO] [stdout] test data::test::test_value_assoc_container ... ok
[INFO] [stdout] test data::test::test_value_assoc_custom_container ... ok
[INFO] [stdout] test data::test::test_value_assoc_val ... ok
[INFO] [stdout] test data::test::test_value_assoc_ref ... ok
[INFO] [stdout] test data::tyck::test_tyck_info_pool::test_tyck_info_pool ... ok
[INFO] [stdout] test util::mem::test::test_fat_pointer_layout ... ok
[INFO] [stdout] test util::mem::test::test_fat_pointer_layout2 ... ok
[INFO] [stdout] test util::mem::test::test_fat_pointer_size ... ok
[INFO] [stdout] test vm::al31f::alloc::default_alloc::test::test_default_collector_custom_vt ... ok
[INFO] [stdout] test vm::al31f::insc::count_instructions ... ok
[INFO] [stdout] test vm::al31f::alloc::default_alloc::test::test_default_collector_simple ... ok
[INFO] [stdout] test vm::al31f::test::test_basic_fn_call ... ok
[INFO] [stdout] test vm::al31f::test::test_basic_program_eval ... ok
[INFO] [stdout] test vm::al31f::test::test_exception ... ok
[INFO] [stdout] test vm::al31f::test::test_exception_no_eh ... ok
[INFO] [stdout] test vm::al31f::test::test_fibonacci_call ... ok
[INFO] [stderr]    Doc-tests pr47
[INFO] [stdout] test util::serializer::test::basic_test_print ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_static_base (line 194) ... ok
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_result (line 137) ... ok
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_clone (line 53) ... ok
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_option (line 169) ... ok
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_const_ref (line 89) ... ok
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_ref (line 70) ... ok
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_mut_ref (line 113) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78fe2cc8aab57061031b0901e4f054fb92795a03a344220b97238ffaeb044354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fe2cc8aab57061031b0901e4f054fb92795a03a344220b97238ffaeb044354", kill_on_drop: false }`
[INFO] [stdout] 78fe2cc8aab57061031b0901e4f054fb92795a03a344220b97238ffaeb044354