[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 try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 960de8345f7d0af5ea939accca36aa8dca09cc1b5d2a977eee9d83ba72158ee2
[INFO] running `"docker" "start" "-a" "960de8345f7d0af5ea939accca36aa8dca09cc1b5d2a977eee9d83ba72158ee2"`
[INFO] [stderr]    Compiling positioned-io-preview v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "960de8345f7d0af5ea939accca36aa8dca09cc1b5d2a977eee9d83ba72158ee2"`
[INFO] running `"docker" "rm" "-f" "960de8345f7d0af5ea939accca36aa8dca09cc1b5d2a977eee9d83ba72158ee2"`
[INFO] [stdout] 960de8345f7d0af5ea939accca36aa8dca09cc1b5d2a977eee9d83ba72158ee2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 27551074cae9d01dc55b28b6bf22ca3ba7bed7fdb85bde5f4634472f6dcea61c
[INFO] running `"docker" "start" "-a" "27551074cae9d01dc55b28b6bf22ca3ba7bed7fdb85bde5f4634472f6dcea61c"`
[INFO] [stderr]    Compiling positioned-io-preview v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `"docker" "inspect" "27551074cae9d01dc55b28b6bf22ca3ba7bed7fdb85bde5f4634472f6dcea61c"`
[INFO] running `"docker" "rm" "-f" "27551074cae9d01dc55b28b6bf22ca3ba7bed7fdb85bde5f4634472f6dcea61c"`
[INFO] [stdout] 27551074cae9d01dc55b28b6bf22ca3ba7bed7fdb85bde5f4634472f6dcea61c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 1c1839a73d44bcb0de78fc75700210aac190018eaf403178925279ad32b415e1
[INFO] running `"docker" "start" "-a" "1c1839a73d44bcb0de78fc75700210aac190018eaf403178925279ad32b415e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/positioned_io_preview-3ce53c5c0c50316a
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/model-ee590a4968910bf1
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-a958dcfabf8f2166
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_size ... ok
[INFO] [stdout] test test_size_cursor ... 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_mixed_read ... ok
[INFO] [stdout] test test_slice ... ok
[INFO] [stdout] test test_vector ... ok
[INFO] [stdout] test test_cursor ... ok
[INFO] [stdout] test test_byteio ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--test test'
[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:     0x55b89cb68673 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55b89cb6436b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55b89cb672f6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55b89cb66ff7 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55b89cb67a00 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55b89cb67581 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55b89cb674ce - std[698b411d1b74fcff]::panicking::begin_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    7:     0x55b89cb0a7b7 - test[cac8d3d852d491a5]::test_byteio
[INFO] [stdout]                                at tests/test.rs:118
[INFO] [stdout]    8:     0x55b89cb0a5a9 - test[cac8d3d852d491a5]::test_byteio::{closure#0}
[INFO] [stdout]                                at tests/test.rs:114
[INFO] [stdout]    9:     0x55b89cb15e6d - <test[cac8d3d852d491a5]::test_byteio::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   10:     0x55b89cb23cee - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   11:     0x55b89cb6abf9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   12:     0x55b89cb3e1d7 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   13:     0x55b89cb19584 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   14:     0x55b89cb190a4 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   15:     0x55b89cb6abf9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   16:     0x55b89cb23a2c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   17:     0x55b89cb6a3ad - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/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:     0x7f520896d493 - start_thread
[INFO] [stdout]   19:     0x7f5208498ace - __clone
[INFO] [stdout]   20:                0x0 - <unknown>
[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" "1c1839a73d44bcb0de78fc75700210aac190018eaf403178925279ad32b415e1"`
[INFO] running `"docker" "rm" "-f" "1c1839a73d44bcb0de78fc75700210aac190018eaf403178925279ad32b415e1"`
[INFO] [stdout] 1c1839a73d44bcb0de78fc75700210aac190018eaf403178925279ad32b415e1