[INFO] crate positioned-io-preview 0.3.1 is already in cache [INFO] extracting crate positioned-io-preview 0.3.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/positioned-io-preview/0.3.1 [INFO] extracting crate positioned-io-preview 0.3.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/positioned-io-preview/0.3.1 [INFO] validating manifest of positioned-io-preview-0.3.1 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 positioned-io-preview-0.3.1 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 positioned-io-preview-0.3.1 [INFO] finished frobbing positioned-io-preview-0.3.1 [INFO] frobbed toml for positioned-io-preview-0.3.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/positioned-io-preview/0.3.1/Cargo.toml [INFO] started frobbing positioned-io-preview-0.3.1 [INFO] finished frobbing positioned-io-preview-0.3.1 [INFO] frobbed toml for positioned-io-preview-0.3.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/positioned-io-preview/0.3.1/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 positioned-io-preview-0.3.1 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/positioned-io-preview/0.3.1:/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] 64cc8740e9fcb962214c3689d040dcc68e991ae0b129b583414cf764f9aeb076 [INFO] running `"docker" "start" "-a" "64cc8740e9fcb962214c3689d040dcc68e991ae0b129b583414cf764f9aeb076"` [INFO] [stderr] Compiling positioned-io-preview v0.3.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `"docker" "inspect" "64cc8740e9fcb962214c3689d040dcc68e991ae0b129b583414cf764f9aeb076"` [INFO] running `"docker" "rm" "-f" "64cc8740e9fcb962214c3689d040dcc68e991ae0b129b583414cf764f9aeb076"` [INFO] [stdout] 64cc8740e9fcb962214c3689d040dcc68e991ae0b129b583414cf764f9aeb076 [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/positioned-io-preview/0.3.1:/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] 833b58587548e0a2be5eac51902c937043b95806227c35b398f73ffc985fabdc [INFO] running `"docker" "start" "-a" "833b58587548e0a2be5eac51902c937043b95806227c35b398f73ffc985fabdc"` [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling quickcheck v0.7.2 [INFO] [stderr] Compiling positioned-io-preview v0.3.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.39s [INFO] running `"docker" "inspect" "833b58587548e0a2be5eac51902c937043b95806227c35b398f73ffc985fabdc"` [INFO] running `"docker" "rm" "-f" "833b58587548e0a2be5eac51902c937043b95806227c35b398f73ffc985fabdc"` [INFO] [stdout] 833b58587548e0a2be5eac51902c937043b95806227c35b398f73ffc985fabdc [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/positioned-io-preview/0.3.1:/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] bf51ddb9e5eaa9eed42cb9ac7a69a1b4b80aa8533ce6d8818454f8d9975c35cd [INFO] running `"docker" "start" "-a" "bf51ddb9e5eaa9eed42cb9ac7a69a1b4b80aa8533ce6d8818454f8d9975c35cd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/positioned_io_preview-971613c4bb8978c4 [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/model-bc3ef1a072e93301 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test file_matches_model ... 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/test-32528596c14e98d7 [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test test_cursor ... ok [INFO] [stdout] test test_mixed_read ... ok [INFO] [stdout] test test_refcell ... ok [INFO] [stdout] test test_read_fails ... ok [INFO] [stdout] test test_read_at ... ok [INFO] [stdout] test test_size_cursor ... ok [INFO] [stdout] test test_slice ... ok [INFO] [stdout] test test_size ... ok [INFO] [stdout] test test_vector ... ok [INFO] [stderr] error: test failed, to rerun pass '--test test' [INFO] [stdout] test test_byteio ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_byteio stdout ---- [INFO] [stdout] thread 'test_byteio' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `1734437731`, [INFO] [stdout] right: `1936025444`', tests/test.rs:118:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55fec9d45e23 - 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: 0x55fec9d41b3b - std::sys_common::backtrace::_print::he39717f7cfbd122d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x55fec9d44ad6 - 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: 0x55fec9d447d7 - std::panicking::default_hook::hc2b73d8ffc772b35 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x55fec9d451e0 - std::panicking::rust_panic_with_hook::h625072734a147d22 [INFO] [stdout] at src/libstd/panicking.rs:478 [INFO] [stdout] 5: 0x55fec9d44d61 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e [INFO] [stdout] at src/libstd/panicking.rs:385 [INFO] [stdout] 6: 0x55fec9d44cae - std::panicking::begin_panic_fmt::hc9320ccc48a296b3 [INFO] [stdout] at src/libstd/panicking.rs:340 [INFO] [stdout] 7: 0x55fec9ce7f17 - test::test_byteio::h99a5555d950599f3 [INFO] [stdout] at tests/test.rs:118 [INFO] [stdout] 8: 0x55fec9ce7d09 - test::test_byteio::{{closure}}::he5f7af7e69ee578a [INFO] [stdout] at tests/test.rs:114 [INFO] [stdout] 9: 0x55fec9cf2cbd - core::ops::function::FnOnce::call_once::h9201cbf18fb9dbef [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x55fec9cfe6ae - >::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] 11: 0x55fec9d48359 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 12: 0x55fec9d1b937 - 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] 13: 0x55fec9cf70f4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h85c77ad9ddf8fba3 [INFO] [stdout] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 14: 0x55fec9cf77c4 - 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] 15: 0x55fec9d48359 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 16: 0x55fec9cfe92c - >::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] 17: 0x55fec9d47b0d - 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] 18: 0x7fefecead493 - start_thread [INFO] [stdout] 19: 0x7fefec9d8ace - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_byteio [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "bf51ddb9e5eaa9eed42cb9ac7a69a1b4b80aa8533ce6d8818454f8d9975c35cd"` [INFO] running `"docker" "rm" "-f" "bf51ddb9e5eaa9eed42cb9ac7a69a1b4b80aa8533ce6d8818454f8d9975c35cd"` [INFO] [stdout] bf51ddb9e5eaa9eed42cb9ac7a69a1b4b80aa8533ce6d8818454f8d9975c35cd