[INFO] fetching crate pr47 0.1.0...
[INFO] testing pr47-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pr47 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate pr47 0.1.0 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 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-116/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.26
[INFO] [stderr]   Downloaded unchecked_unwrap v3.0.0
[INFO] [stderr]   Downloaded pr47-codegen v0.0.1
[INFO] [stderr]   Downloaded variant_count v1.1.0
[INFO] [stderr]   Downloaded tokio v1.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] [stdout] e445e503ec9d4bf459588a71854a2640ab3b3ab078a5446f6a61e3f08c3c9e43
[INFO] running `Command { std: "docker" "start" "-a" "e445e503ec9d4bf459588a71854a2640ab3b3ab078a5446f6a61e3f08c3c9e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e445e503ec9d4bf459588a71854a2640ab3b3ab078a5446f6a61e3f08c3c9e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e445e503ec9d4bf459588a71854a2640ab3b3ab078a5446f6a61e3f08c3c9e43", kill_on_drop: false }`
[INFO] [stdout] e445e503ec9d4bf459588a71854a2640ab3b3ab078a5446f6a61e3f08c3c9e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] [stdout] d74ec363d3f6910cae958d4c46899f73b0039d61457d047510870a50f59f1acc
[INFO] running `Command { std: "docker" "start" "-a" "d74ec363d3f6910cae958d4c46899f73b0039d61457d047510870a50f59f1acc", 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 proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling pr47-codegen v0.0.1
[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 16.96s
[INFO] running `Command { std: "docker" "inspect" "d74ec363d3f6910cae958d4c46899f73b0039d61457d047510870a50f59f1acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74ec363d3f6910cae958d4c46899f73b0039d61457d047510870a50f59f1acc", kill_on_drop: false }`
[INFO] [stdout] d74ec363d3f6910cae958d4c46899f73b0039d61457d047510870a50f59f1acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 335ac9d43d2cc7868ed1e01082775adbce73c1e6339e44b43d8a47322583da9d
[INFO] running `Command { std: "docker" "start" "-a" "335ac9d43d2cc7868ed1e01082775adbce73c1e6339e44b43d8a47322583da9d", 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 11.40s
[INFO] running `Command { std: "docker" "inspect" "335ac9d43d2cc7868ed1e01082775adbce73c1e6339e44b43d8a47322583da9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335ac9d43d2cc7868ed1e01082775adbce73c1e6339e44b43d8a47322583da9d", kill_on_drop: false }`
[INFO] [stdout] 335ac9d43d2cc7868ed1e01082775adbce73c1e6339e44b43d8a47322583da9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] [stdout] a7da46b9b7dd843a64d90ed7f7301d459a3d5b3a92c0b2c022ea47ba72028950
[INFO] running `Command { std: "docker" "start" "-a" "a7da46b9b7dd843a64d90ed7f7301d459a3d5b3a92c0b2c022ea47ba72028950", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pr47-3c94b5bbe20f8c82)
[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_ref ... ok
[INFO] [stdout] test data::test::test_value_assoc_container ... ok
[INFO] [stdout] test data::test::test_value_assoc_val ... ok
[INFO] [stdout] test data::test::test_value_assoc_custom_container ... 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 data::tyck::test_tyck_info_pool::test_tyck_info_pool ... 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::alloc::default_alloc::test::test_default_collector_simple ... ok
[INFO] [stdout] test vm::al31f::insc::count_instructions ... 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] [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] [stderr]    Doc-tests pr47
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/util/type_assert.rs - util::type_assert::assert_mut_ref (line 113) ... 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_result (line 137) ... ok
[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_ref (line 70) ... 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_const_ref (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7da46b9b7dd843a64d90ed7f7301d459a3d5b3a92c0b2c022ea47ba72028950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7da46b9b7dd843a64d90ed7f7301d459a3d5b3a92c0b2c022ea47ba72028950", kill_on_drop: false }`
[INFO] [stdout] a7da46b9b7dd843a64d90ed7f7301d459a3d5b3a92c0b2c022ea47ba72028950