[INFO] crate network-communicator 0.1.1 is already in cache
[INFO] extracting crate network-communicator 0.1.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/network-communicator/0.1.1
[INFO] extracting crate network-communicator 0.1.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/network-communicator/0.1.1
[INFO] validating manifest of network-communicator-0.1.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of network-communicator-0.1.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing network-communicator-0.1.1
[INFO] finished frobbing network-communicator-0.1.1
[INFO] frobbed toml for network-communicator-0.1.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/network-communicator/0.1.1/Cargo.toml
[INFO] started frobbing network-communicator-0.1.1
[INFO] finished frobbing network-communicator-0.1.1
[INFO] frobbed toml for network-communicator-0.1.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/network-communicator/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing network-communicator-0.1.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/network-communicator/0.1.1:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 78ab689412edefad501a8671b575e8cc32de8144b8a8f377523bc8f861256905
[INFO] running `"docker" "start" "-a" "78ab689412edefad501a8671b575e8cc32de8144b8a8f377523bc8f861256905"`
[INFO] [stderr]    Compiling tokio-curl v0.1.11
[INFO] [stderr]    Compiling network-communicator v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `"docker" "inspect" "78ab689412edefad501a8671b575e8cc32de8144b8a8f377523bc8f861256905"`
[INFO] running `"docker" "rm" "-f" "78ab689412edefad501a8671b575e8cc32de8144b8a8f377523bc8f861256905"`
[INFO] [stdout] 78ab689412edefad501a8671b575e8cc32de8144b8a8f377523bc8f861256905
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/network-communicator/0.1.1:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 05d43885dca2114902216867b96eeaf88985b3797579c5ac0a7e19ef2dd76ae9
[INFO] running `"docker" "start" "-a" "05d43885dca2114902216867b96eeaf88985b3797579c5ac0a7e19ef2dd76ae9"`
[INFO] [stderr]    Compiling network-communicator v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `"docker" "inspect" "05d43885dca2114902216867b96eeaf88985b3797579c5ac0a7e19ef2dd76ae9"`
[INFO] running `"docker" "rm" "-f" "05d43885dca2114902216867b96eeaf88985b3797579c5ac0a7e19ef2dd76ae9"`
[INFO] [stdout] 05d43885dca2114902216867b96eeaf88985b3797579c5ac0a7e19ef2dd76ae9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/network-communicator/0.1.1:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 31a535ec210c38bef6daa3303cd257549a8837ff7a81a1b22d18dba33cc8afdb
[INFO] running `"docker" "start" "-a" "31a535ec210c38bef6daa3303cd257549a8837ff7a81a1b22d18dba33cc8afdb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/network_communicator-dd3be8426745169c
[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]      Running /opt/crater/target/debug/deps/download-473381f930866219
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_drop_network_manager_1 ... ok
[INFO] [stdout] test test_drop_network_manager_2 ... FAILED
[INFO] [stdout] test test_drop_network_manager_3 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_drop_network_manager_2 stdout ----
[INFO] [stdout] thread 'test_drop_network_manager_2' panicked at 'assertion failed: result_1.unwrap().is_ok()', tests/download.rs:55:2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564d09ac2c23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x564d09abe8bb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x564d09ac1886 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x564d09ac1587 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x564d09ac1f90 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x564d09a7bcc7 - std::panicking::begin_panic::hc93ed483e420ff1f
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:412
[INFO] [stdout]    6:     0x564d09857e82 - download::test_drop_network_manager_2::h2b14b5b37d5c38af
[INFO] [stdout]                                at tests/download.rs:55
[INFO] [stdout]    7:     0x564d09857cc9 - download::test_drop_network_manager_2::{{closure}}::h46a81778812bf48b
[INFO] [stdout]                                at tests/download.rs:50
[INFO] [stdout]    8:     0x564d0985c5bd - core::ops::function::FnOnce::call_once::h004938f33365f2fa
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]    9:     0x564d0987fbee - <F as alloc::boxed::FnBox<A>>::call_box::h6b39ff82621fe3f5
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   10:     0x564d09ac5239 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   11:     0x564d0989ce77 - test::run_test::run_test_inner::{{closure}}::h57942e399d1cc807
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   12:     0x564d09878634 - std::sys_common::backtrace::__rust_begin_short_backtrace::h85c77ad9ddf8fba3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   13:     0x564d09878d04 - std::panicking::try::do_call::hf5b2072d080453d1
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stdout]   14:     0x564d09ac5239 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x564d0987fe6c - <F as alloc::boxed::FnBox<A>>::call_box::hf0a5ea81172c4bf3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   16:     0x564d09ac493d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   17:     0x7ff515b89493 - start_thread
[INFO] [stdout]   18:     0x7ff5156b4ace - __clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_drop_network_manager_3 stdout ----
[INFO] [stdout] thread 'test_drop_network_manager_3' panicked at 'assertion failed: result_1.unwrap().is_ok()', tests/download.rs:69:2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564d09ac2c23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x564d09abe8bb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x564d09ac1886 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x564d09ac1587 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x564d09ac1f90 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x564d09a7bcc7 - std::panicking::begin_panic::hc93ed483e420ff1f
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:412
[INFO] [stdout]    6:     0x564d098582ee - download::test_drop_network_manager_3::hc32780a386f0c768
[INFO] [stdout]                                at tests/download.rs:69
[INFO] [stdout]    7:     0x564d098580e9 - download::test_drop_network_manager_3::{{closure}}::hbb75be7177009e4b
[INFO] [stdout]                                at tests/download.rs:63
[INFO] [stdout]    8:     0x564d0985c63d - core::ops::function::FnOnce::call_once::h08f0f8c895344b7b
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]    9:     0x564d0987fbee - <F as alloc::boxed::FnBox<A>>::call_box::h6b39ff82621fe3f5
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   10:     0x564d09ac5239 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   11:     0x564d0989ce77 - test::run_test::run_test_inner::{{closure}}::h57942e399d1cc807
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   12:     0x564d09878634 - std::sys_common::backtrace::__rust_begin_short_backtrace::h85c77ad9ddf8fba3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   13:     0x564d09878d04 - std::panicking::try::do_call::hf5b2072d080453d1
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stdout]   14:     0x564d09ac5239 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x564d0987fe6c - <F as alloc::boxed::FnBox<A>>::call_box::hf0a5ea81172c4bf3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   16:     0x564d09ac493d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   17:     0x7ff515b89493 - start_thread
[INFO] [stdout]   18:     0x7ff5156b4ace - __clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_drop_network_manager_2
[INFO] [stdout]     test_drop_network_manager_3
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test download'
[INFO] running `"docker" "inspect" "31a535ec210c38bef6daa3303cd257549a8837ff7a81a1b22d18dba33cc8afdb"`
[INFO] running `"docker" "rm" "-f" "31a535ec210c38bef6daa3303cd257549a8837ff7a81a1b22d18dba33cc8afdb"`
[INFO] [stdout] 31a535ec210c38bef6daa3303cd257549a8837ff7a81a1b22d18dba33cc8afdb