[INFO] crate tchannel 0.0.2 is already in cache [INFO] extracting crate tchannel 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/tchannel/0.0.2 [INFO] extracting crate tchannel 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tchannel/0.0.2 [INFO] validating manifest of tchannel-0.0.2 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 tchannel-0.0.2 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 tchannel-0.0.2 [INFO] finished frobbing tchannel-0.0.2 [INFO] frobbed toml for tchannel-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tchannel/0.0.2/Cargo.toml [INFO] started frobbing tchannel-0.0.2 [INFO] finished frobbing tchannel-0.0.2 [INFO] frobbed toml for tchannel-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tchannel/0.0.2/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 tchannel-0.0.2 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tchannel/0.0.2:/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] 06af04d4275bbe2bcc65ec1b1cf6412a2ddd760ec6df478050eac4debfa4d0e4 [INFO] running `"docker" "start" "-a" "06af04d4275bbe2bcc65ec1b1cf6412a2ddd760ec6df478050eac4debfa4d0e4"` [INFO] [stderr] Compiling tchannel v0.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/mpsc/segment.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "06af04d4275bbe2bcc65ec1b1cf6412a2ddd760ec6df478050eac4debfa4d0e4"` [INFO] running `"docker" "rm" "-f" "06af04d4275bbe2bcc65ec1b1cf6412a2ddd760ec6df478050eac4debfa4d0e4"` [INFO] [stdout] 06af04d4275bbe2bcc65ec1b1cf6412a2ddd760ec6df478050eac4debfa4d0e4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tchannel/0.0.2:/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] 6a04e6a9b51232cd9038de0c64360c21a0759244c8d14c95e34150f613981f22 [INFO] running `"docker" "start" "-a" "6a04e6a9b51232cd9038de0c64360c21a0759244c8d14c95e34150f613981f22"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling tchannel v0.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/mpsc/segment.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `"docker" "inspect" "6a04e6a9b51232cd9038de0c64360c21a0759244c8d14c95e34150f613981f22"` [INFO] running `"docker" "rm" "-f" "6a04e6a9b51232cd9038de0c64360c21a0759244c8d14c95e34150f613981f22"` [INFO] [stdout] 6a04e6a9b51232cd9038de0c64360c21a0759244c8d14c95e34150f613981f22 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tchannel/0.0.2:/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] 252f07cad4bcc38bd74ff15db415b56c74eeb5c6989e2fefb3bdf8e8ee28df20 [INFO] running `"docker" "start" "-a" "252f07cad4bcc38bd74ff15db415b56c74eeb5c6989e2fefb3bdf8e8ee28df20"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/tchannel-70abd60e3405decd [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/mpsc-460ccb68c9fd1380 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test drop_test_drop_sender_first ... ok [INFO] [stdout] test drop_test_drop_receiver_first ... ok [INFO] [stdout] test closed_sender ... ok [INFO] [stdout] test closed_receiver ... ok [INFO] [stdout] test send_alot ... ok [INFO] [stdout] test simple ... ok [INFO] [stdout] test assertions ... ok [INFO] [stdout] test stress_test ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--test mpsc' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- stress_test stdout ---- [INFO] [stdout] thread 'stress_test' panicked at 'giving up on retrieving a value', tests/mpsc.rs:151:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5644dce173c3 - 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: 0x5644dce12cfb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5644dce16106 - 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: 0x5644dce15e2e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5644dce1680f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5644dcdbae03 - std::panicking::begin_panic::h541cbc5420be8683 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x5644dcdb40b3 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:151 [INFO] [stdout] 7: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 8: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 9: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 10: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 11: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 12: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 13: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 14: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 15: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 16: 0x5644dcdb41b1 - mpsc::receive_one::h21eee37e17708acb [INFO] [stdout] at tests/mpsc.rs:158 [INFO] [stdout] 17: 0x5644dcdb4057 - mpsc::receive_values::hcaf018669f7b046a [INFO] [stdout] at tests/mpsc.rs:145 [INFO] [stdout] 18: 0x5644dcdb735c - mpsc::stress_test::h052597a7c21df461 [INFO] [stdout] at tests/mpsc.rs:134 [INFO] [stdout] 19: 0x5644dcdb6f69 - mpsc::stress_test::{{closure}}::h3745b8539af648ff [INFO] [stdout] at tests/mpsc.rs:121 [INFO] [stdout] 20: 0x5644dcdbfedd - core::ops::function::FnOnce::call_once::hf9c110dfce007183 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 21: 0x5644dcdd730e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 22: 0x5644dce19529 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 23: 0x5644dcdf1c07 - 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] 24: 0x5644dcdcc624 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 25: 0x5644dcdd06d4 - 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] 26: 0x5644dce19529 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 27: 0x5644dcdd0ce1 - 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] 28: 0x5644dce0a9ae - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 29: 0x5644dce18c0f - 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] 30: 0x7fdba960b4a3 - start_thread [INFO] [stdout] 31: 0x7fdba9136d0e - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] stress_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "252f07cad4bcc38bd74ff15db415b56c74eeb5c6989e2fefb3bdf8e8ee28df20"` [INFO] running `"docker" "rm" "-f" "252f07cad4bcc38bd74ff15db415b56c74eeb5c6989e2fefb3bdf8e8ee28df20"` [INFO] [stdout] 252f07cad4bcc38bd74ff15db415b56c74eeb5c6989e2fefb3bdf8e8ee28df20