[INFO] crate rust_hawktracer 0.4.0 is already in cache
[INFO] extracting crate rust_hawktracer 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust_hawktracer/0.4.0
[INFO] extracting crate rust_hawktracer 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_hawktracer/0.4.0
[INFO] validating manifest of rust_hawktracer-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_hawktracer-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust_hawktracer-0.4.0
[INFO] finished frobbing rust_hawktracer-0.4.0
[INFO] frobbed toml for rust_hawktracer-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust_hawktracer/0.4.0/Cargo.toml
[INFO] started frobbing rust_hawktracer-0.4.0
[INFO] finished frobbing rust_hawktracer-0.4.0
[INFO] frobbed toml for rust_hawktracer-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_hawktracer/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust_hawktracer-0.4.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust_hawktracer/0.4.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e214fb5415ac113acb187ab8a763931fe8bbc7f4c3f08cff307aa2c0a2ea4299
[INFO] running `"docker" "start" "-a" "e214fb5415ac113acb187ab8a763931fe8bbc7f4c3f08cff307aa2c0a2ea4299"`
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling rust_hawktracer v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> build.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::{PathBuf, Path};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `"docker" "inspect" "e214fb5415ac113acb187ab8a763931fe8bbc7f4c3f08cff307aa2c0a2ea4299"`
[INFO] running `"docker" "rm" "-f" "e214fb5415ac113acb187ab8a763931fe8bbc7f4c3f08cff307aa2c0a2ea4299"`
[INFO] [stdout] e214fb5415ac113acb187ab8a763931fe8bbc7f4c3f08cff307aa2c0a2ea4299
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust_hawktracer/0.4.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 762981c3c2885f3d3cc422d6e2b61103d7a7774799c82556a50d89fe20f92ce6
[INFO] running `"docker" "start" "-a" "762981c3c2885f3d3cc422d6e2b61103d7a7774799c82556a50d89fe20f92ce6"`
[INFO] [stderr]    Compiling rust_hawktracer v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/file_listener_tests.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fs::remove_file(file_name);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/simple_test.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fs::remove_file(file_name);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `"docker" "inspect" "762981c3c2885f3d3cc422d6e2b61103d7a7774799c82556a50d89fe20f92ce6"`
[INFO] running `"docker" "rm" "-f" "762981c3c2885f3d3cc422d6e2b61103d7a7774799c82556a50d89fe20f92ce6"`
[INFO] [stdout] 762981c3c2885f3d3cc422d6e2b61103d7a7774799c82556a50d89fe20f92ce6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust_hawktracer/0.4.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7430c1f2cbe6c065ad4944290a32498cd1ad430a6247f1c41d2ed6d9ab21b8b1
[INFO] running `"docker" "start" "-a" "7430c1f2cbe6c065ad4944290a32498cd1ad430a6247f1c41d2ed6d9ab21b8b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_hawktracer-ed598e0566a645a6
[INFO] [stdout] 
[INFO] [stdout] running 94 tests
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_CallstackStringEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_EndiannessInfoEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_Event ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_EventKlassFieldInfoEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_EventKlassInfoEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_StringMappingEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__G_fpos64_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__G_fpos_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_SystemInfoEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__HT_EventKlass ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__IO_FILE ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__MKCREFLECT_FieldInfo ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__MKCREFLECT_TypeInfo ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___fsid_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___mbstate_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___locale_struct ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___mbstate_t__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_cleanup_frame ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_cond_s__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_cond_s__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_cond_s__bindgen_ty_2 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_cond_s__bindgen_ty_2__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_cond_s ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_mutex_s ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_internal_list ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_rwlock_arch_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_unwind_buf_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___pthread_unwind_buf_t__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout___va_list_tag ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout__pthread_cleanup_buffer ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_cpu_set_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_imaxdiv_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_itimerspec ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_attr_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_barrier_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_barrierattr_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_cond_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_condattr_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_mutex_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_mutexattr_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_rwlock_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_pthread_rwlockattr_t ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_sched_param ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_timespec ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_tm ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_CallstackIntEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_CallstackStringEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_CallstackBaseEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_EndiannessInfoEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_EventKlassInfoEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_Event ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_StringMappingEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_EventKlassFieldInfoEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_HT_SystemInfoEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__G_fpos64_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__G_fpos_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__HT_EventKlass ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__IO_FILE ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___mbstate_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__MKCREFLECT_FieldInfo ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___fsid_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___locale_struct ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___mbstate_t__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_CallstackBaseEvent ... ok
[INFO] [stdout] test internals::hawktracer_instance::bindgen_test_layout_HT_CallstackIntEvent ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_cond_s__bindgen_ty_1__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_cond_s__bindgen_ty_2 ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_cond_s__bindgen_ty_2__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_cleanup_frame ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_cond_s ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_cond_s__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_rwlock_arch_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__MKCREFLECT_TypeInfo ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_internal_list ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_mutex_s ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___va_list_tag ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_unwind_buf_t__bindgen_ty_1 ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout___pthread_unwind_buf_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_cpu_set_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_cond_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout__pthread_cleanup_buffer ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_imaxdiv_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_barrierattr_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_itimerspec ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_attr_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_barrier_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_rwlockattr_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_sched_param ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_tm ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_timespec ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_rwlock_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_condattr_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_mutex_t ... ok
[INFO] [stdout] test internals::scoped_tracepoint::bindgen_test_layout_pthread_mutexattr_t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 94 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_listener_tests-8bd6c5315078bed9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tracing_test_to_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/network_listener_test-9b98b083f6948fef
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tracing_test_network ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_test-54bc586888cd2a07
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tracing_test_two_listeners ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/utils-2e8bcee29182f2b4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_hawktracer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7430c1f2cbe6c065ad4944290a32498cd1ad430a6247f1c41d2ed6d9ab21b8b1"`
[INFO] running `"docker" "rm" "-f" "7430c1f2cbe6c065ad4944290a32498cd1ad430a6247f1c41d2ed6d9ab21b8b1"`
[INFO] [stdout] 7430c1f2cbe6c065ad4944290a32498cd1ad430a6247f1c41d2ed6d9ab21b8b1