[INFO] crate labware_tracker 0.1.0 is already in cache [INFO] extracting crate labware_tracker 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/labware_tracker/0.1.0 [INFO] extracting crate labware_tracker 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labware_tracker/0.1.0 [INFO] validating manifest of labware_tracker-0.1.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of labware_tracker-0.1.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing labware_tracker-0.1.0 [INFO] finished frobbing labware_tracker-0.1.0 [INFO] frobbed toml for labware_tracker-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/labware_tracker/0.1.0/Cargo.toml [INFO] started frobbing labware_tracker-0.1.0 [INFO] finished frobbing labware_tracker-0.1.0 [INFO] frobbed toml for labware_tracker-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/labware_tracker/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing labware_tracker-0.1.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/labware_tracker/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 677f1227c15488bb88a31f3222f3430553b1435722febb26cfb569a7d2782e39 [INFO] running `"docker" "start" "-a" "677f1227c15488bb88a31f3222f3430553b1435722febb26cfb569a7d2782e39"` [INFO] [stderr] Compiling labware_tracker v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "677f1227c15488bb88a31f3222f3430553b1435722febb26cfb569a7d2782e39"` [INFO] running `"docker" "rm" "-f" "677f1227c15488bb88a31f3222f3430553b1435722febb26cfb569a7d2782e39"` [INFO] [stdout] 677f1227c15488bb88a31f3222f3430553b1435722febb26cfb569a7d2782e39 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/labware_tracker/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 2216c40217e1a2226e8838c925a6d3fa03e4113147794439163331012ca757a8 [INFO] running `"docker" "start" "-a" "2216c40217e1a2226e8838c925a6d3fa03e4113147794439163331012ca757a8"` [INFO] [stderr] Compiling labware_tracker v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "2216c40217e1a2226e8838c925a6d3fa03e4113147794439163331012ca757a8"` [INFO] running `"docker" "rm" "-f" "2216c40217e1a2226e8838c925a6d3fa03e4113147794439163331012ca757a8"` [INFO] [stdout] 2216c40217e1a2226e8838c925a6d3fa03e4113147794439163331012ca757a8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/labware_tracker/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 9ca5fb456a3c8081aa51bd400e1ff6be176513a32484971461f25ee9a03eb801 [INFO] running `"docker" "start" "-a" "9ca5fb456a3c8081aa51bd400e1ff6be176513a32484971461f25ee9a03eb801"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/labware_tracker-33c1d15d7501e849 [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test loader::tests::should_load_file ... ok [INFO] [stdout] test labware_type::tests::should_have_all_the_standard_types ... ok [INFO] [stdout] test labware_type::tests::should_convert_string_to_labware_type ... ok [INFO] [stdout] test labware_collection::tests::should_find_labware ... ok [INFO] [stdout] test labware::tests::labware_should_have_the_correct_attributes ... ok [INFO] [stdout] test loader::tests::should_load_json ... ok [INFO] [stdout] test labware_collection::tests::new_labware_collection_should_be_empty ... ok [INFO] [stdout] test labware_collection::tests::should_add_labware ... ok [INFO] [stdout] test labware_collection::tests::should_remove_labware ... FAILED [INFO] [stdout] test loader::tests::should_write_to_file ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- labware_collection::tests::should_remove_labware stdout ---- [INFO] [stdout] thread 'labware_collection::tests::should_remove_labware' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c45d8f35f3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55c45d8eef2b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55c45d8f2336 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55c45d8f205e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55c45d8f2a3f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55c45d8f25c1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55c45d8f24a5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55c45d907ccc - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55c45d907c0b - core::panicking::panic::h62fdcfa056e70982 [INFO] [stdout] at src/libcore/panicking.rs:49 [INFO] [stdout] 9: 0x55c45d86bfe9 - core::option::Option::unwrap::h5404ce68482278be [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:12 [INFO] [stdout] 10: 0x55c45d870ce2 - labware_tracker::labware_collection::LabwareCollection::remove::h9b0f9536cf641f51 [INFO] [stdout] at src/labware_collection.rs:32 [INFO] [stdout] 11: 0x55c45d874a13 - labware_tracker::labware_collection::tests::should_remove_labware::h006b8413c8360703 [INFO] [stdout] at src/labware_collection.rs:96 [INFO] [stdout] 12: 0x55c45d874559 - labware_tracker::labware_collection::tests::should_remove_labware::{{closure}}::h91102ee107026108 [INFO] [stdout] at src/labware_collection.rs:83 [INFO] [stdout] 13: 0x55c45d86cead - core::ops::function::FnOnce::call_once::h5866c3492a6a3c3f [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 14: 0x55c45d8861de - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 15: 0x55c45d8f5759 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x55c45d8a0ad7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 17: 0x55c45d87b4f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 18: 0x55c45d87f5a4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 19: 0x55c45d8f5759 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 20: 0x55c45d87fbb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 21: 0x55c45d8e6cce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 22: 0x55c45d8f4e3f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 23: 0x7fd697d044a3 - start_thread [INFO] [stdout] 24: 0x7fd69782fd0e - __clone [INFO] [stdout] 25: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- loader::tests::should_write_to_file stdout ---- [INFO] [stdout] thread 'loader::tests::should_write_to_file' panicked at 'couldn't create data/labwares_output.json:', src/loader.rs:37:18 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c45d8f35f3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55c45d8eef2b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55c45d8f2336 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55c45d8f205e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55c45d8f2a3f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55c45d8f25c1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55c45d8f250e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x55c45d8777f6 - labware_tracker::loader::write_file::h34b77ac8dbaf6156 [INFO] [stdout] at src/loader.rs:37 [INFO] [stdout] 8: 0x55c45d876528 - labware_tracker::loader::tests::should_write_to_file::hc7e0f4081b13bb5c [INFO] [stdout] at src/loader.rs:72 [INFO] [stdout] 9: 0x55c45d876469 - labware_tracker::loader::tests::should_write_to_file::{{closure}}::hb19b82f2dc73608b [INFO] [stdout] at src/loader.rs:69 [INFO] [stdout] 10: 0x55c45d86ce6d - core::ops::function::FnOnce::call_once::h3cb056fe8640218b [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: 0x55c45d8861de - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 12: 0x55c45d8f5759 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 13: 0x55c45d8a0ad7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 14: 0x55c45d87b4f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 15: 0x55c45d87f5a4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 16: 0x55c45d8f5759 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 17: 0x55c45d87fbb1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: 0x55c45d8e6cce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 19: 0x55c45d8f4e3f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: 0x7fd697d044a3 - start_thread [INFO] [stdout] 21: 0x7fd69782fd0e - __clone [INFO] [stdout] 22: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] labware_collection::tests::should_remove_labware [INFO] [stdout] loader::tests::should_write_to_file [INFO] [stdout] [INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "9ca5fb456a3c8081aa51bd400e1ff6be176513a32484971461f25ee9a03eb801"` [INFO] running `"docker" "rm" "-f" "9ca5fb456a3c8081aa51bd400e1ff6be176513a32484971461f25ee9a03eb801"` [INFO] [stdout] 9ca5fb456a3c8081aa51bd400e1ff6be176513a32484971461f25ee9a03eb801