[INFO] fetching crate string_io_and_mock 1.0.1...
[INFO] testing string_io_and_mock-1.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate string_io_and_mock 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate string_io_and_mock 1.0.1
[INFO] finished tweaking crates.io crate string_io_and_mock 1.0.1
[INFO] tweaked toml for crates.io crate string_io_and_mock 1.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_io_and_mock 1.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding serial_test v2.0.0 (available: v3.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d47bbac04eda1538770e5bb2d039dc4c0a1ab66a4d4c653f6b0cb3dd2193a9d2
[INFO] running `Command { std: "docker" "start" "-a" "d47bbac04eda1538770e5bb2d039dc4c0a1ab66a4d4c653f6b0cb3dd2193a9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d47bbac04eda1538770e5bb2d039dc4c0a1ab66a4d4c653f6b0cb3dd2193a9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47bbac04eda1538770e5bb2d039dc4c0a1ab66a4d4c653f6b0cb3dd2193a9d2", kill_on_drop: false }`
[INFO] [stdout] d47bbac04eda1538770e5bb2d039dc4c0a1ab66a4d4c653f6b0cb3dd2193a9d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11fe0f9982c4f756d542051458222b449a48f21a2e55c1866f15c76d3dc08637
[INFO] running `Command { std: "docker" "start" "-a" "11fe0f9982c4f756d542051458222b449a48f21a2e55c1866f15c76d3dc08637", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stderr]    Compiling string_io_and_mock v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "11fe0f9982c4f756d542051458222b449a48f21a2e55c1866f15c76d3dc08637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fe0f9982c4f756d542051458222b449a48f21a2e55c1866f15c76d3dc08637", kill_on_drop: false }`
[INFO] [stdout] 11fe0f9982c4f756d542051458222b449a48f21a2e55c1866f15c76d3dc08637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b030c0f48fb9620d1a731a702c49e3e7c1a2ac4a6000449bf9a7f1ccd1096f8
[INFO] running `Command { std: "docker" "start" "-a" "7b030c0f48fb9620d1a731a702c49e3e7c1a2ac4a6000449bf9a7f1ccd1096f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_io_and_mock v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "7b030c0f48fb9620d1a731a702c49e3e7c1a2ac4a6000449bf9a7f1ccd1096f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b030c0f48fb9620d1a731a702c49e3e7c1a2ac4a6000449bf9a7f1ccd1096f8", kill_on_drop: false }`
[INFO] [stdout] 7b030c0f48fb9620d1a731a702c49e3e7c1a2ac4a6000449bf9a7f1ccd1096f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de82869e1a469954363eee3597c7b06910622c927f7521ca84f4fc0541a2ce1e
[INFO] running `Command { std: "docker" "start" "-a" "de82869e1a469954363eee3597c7b06910622c927f7521ca84f4fc0541a2ce1e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_io_and_mock-4c05f7a8279bb49a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::mock_overwrite ... ok
[INFO] [stdout] test tests::mock_read_missing ... ok
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-0798558de40bf485)
[INFO] [stdout] test tests::mock_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test overwrite ... FAILED
[INFO] [stdout] test read_and_write ... FAILED
[INFO] [stdout] test read_missing ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- overwrite stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'overwrite' (29) panicked at tests/utils/mod.rs:24:35:
[INFO] [stderr] error: test failed, to rerun pass `--test integration_tests`
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64cac9f1cf22 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64cac9f1cf22 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64cac9f1cf22 - std::sys::backtrace::_print_fmt::h11496fe34963a885
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64cac9f1cf22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hff1a9408d012ee89
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64cac9f4056f - core::fmt::rt::Argument::fmt::hf11195b61445f5d1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64cac9f4056f - core::fmt::write::h2f1fc679f228cc52
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x64cac9f09523 - std::io::default_write_fmt::h12bd533187bc883d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64cac9f09523 - std::io::Write::write_fmt::h926a1fdfdcb90065
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64cac9f1cd72 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64cac9f07ccc - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64cac9f07b49 - std::panicking::default_hook::h43da101644971931
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x64cac9ea786e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4b2012949041da5d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64cac9ea786e - test::test_main_with_exit_callback::{{closure}}::h53c9154cdc260357
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64cac9f082d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h911f2e3e7e84b764
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64cac9f082d3 - std::panicking::panic_with_hook::hb4e916c3e65eccec
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x64cac9f1c8fa - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x64cac9f1c859 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x64cac9f088fd - __rustc[b29d3319de9a3146]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x64cac9f46890 - core::panicking::panic_fmt::h5f8d281875be5ff1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64cac9f47696 - core::result::unwrap_failed::hbb243a6a8b53218d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x64cac9ea09f9 - core::result::Result<T,E>::unwrap::hd92c07d14fd30dd0
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x64cac9ea09f9 - integration_tests::utils::ensure_playground::h5f0555772c418014
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/utils/mod.rs:24:35
[INFO] [stdout]   22:     0x64cac9ea1009 - integration_tests::overwrite::{{closure}}::h6eab52bc6a7eef67
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:11:27
[INFO] [stdout]   23:     0x64cac9e9fd1e - core::ops::function::FnOnce::call_once::h6a92aa44d977f196
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x64cac9ee7bf0 - serial_test::serial_file_lock::fs_serial_core::h86aef3614be2c34a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serial_test-2.0.0/src/serial_file_lock.rs:7:5
[INFO] [stdout]   25:     0x64cac9ea1b9a - integration_tests::overwrite::h01c57501675c9f9c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:9:1
[INFO] [stdout]   26:     0x64cac9ea0c97 - integration_tests::overwrite::{{closure}}::h7f25f1273c4fc0ee
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:10:15
[INFO] [stdout]   27:     0x64cac9e9fe16 - core::ops::function::FnOnce::call_once::hc7f926a59a0bdd1a
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   28:     0x64cac9eacdab - core::ops::function::FnOnce::call_once::haf4e03bb51ef1351
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   29:     0x64cac9eacdab - test::__rust_begin_short_backtrace::h50f5566ee84f2f21
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x64cac9eaffa5 - test::run_test_in_process::{{closure}}::heb3733b71d876eca
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x64cac9eaffa5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he2fe41e1b161faa9
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x64cac9eaffa5 - std::panicking::catch_unwind::do_call::h00aa383d8fd97a09
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33:     0x64cac9eaffa5 - std::panicking::catch_unwind::he482e1914bc21641
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34:     0x64cac9eaffa5 - std::panic::catch_unwind::h86ac9705098f4f22
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x64cac9eaffa5 - test::run_test_in_process::h636a992821e3c6aa
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x64cac9eaffa5 - test::run_test::{{closure}}::he454cc9a192df79f
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x64cac9ed5954 - test::run_test::{{closure}}::haec47455908dff86
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x64cac9ed5954 - std::sys::backtrace::__rust_begin_short_backtrace::h230785972524cdc1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   39:     0x64cac9ebc56a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::haa5a562db4cde838
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   40:     0x64cac9ebc56a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h89254f37a55d0a87
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x64cac9ebc56a - std::panicking::catch_unwind::do_call::h499f5a462f019d9d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stdout]   42:     0x64cac9ebc56a - std::panicking::catch_unwind::h6736fbbb1a264383
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stdout]   43:     0x64cac9ebc56a - std::panic::catch_unwind::h49ea7bdd1cbee572
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x64cac9ebc56a - std::thread::Builder::spawn_unchecked_::{{closure}}::h653dfa62acf32f5a
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   45:     0x64cac9ebc56a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h82582a626a045a45
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   46:     0x64cac9ef1fff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4ab26c07513156cc
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47:     0x64cac9ef1fff - std::sys::pal::unix::thread::Thread::new::thread_start::h66ff1bba185a50cf
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   48:     0x70cd9aae5aa4 - <unknown>
[INFO] [stdout]   49:     0x70cd9ab72a34 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- read_and_write stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read_and_write' (30) panicked at tests/utils/mod.rs:24:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64cac9f1cf22 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64cac9f1cf22 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64cac9f1cf22 - std::sys::backtrace::_print_fmt::h11496fe34963a885
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64cac9f1cf22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hff1a9408d012ee89
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64cac9f4056f - core::fmt::rt::Argument::fmt::hf11195b61445f5d1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64cac9f4056f - core::fmt::write::h2f1fc679f228cc52
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x64cac9f09523 - std::io::default_write_fmt::h12bd533187bc883d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64cac9f09523 - std::io::Write::write_fmt::h926a1fdfdcb90065
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64cac9f1cd72 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64cac9f07ccc - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64cac9f07b49 - std::panicking::default_hook::h43da101644971931
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x64cac9ea786e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4b2012949041da5d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64cac9ea786e - test::test_main_with_exit_callback::{{closure}}::h53c9154cdc260357
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64cac9f082d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h911f2e3e7e84b764
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64cac9f082d3 - std::panicking::panic_with_hook::hb4e916c3e65eccec
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x64cac9f1c8fa - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x64cac9f1c859 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x64cac9f088fd - __rustc[b29d3319de9a3146]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x64cac9f46890 - core::panicking::panic_fmt::h5f8d281875be5ff1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64cac9f47696 - core::result::unwrap_failed::hbb243a6a8b53218d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x64cac9ea09f9 - core::result::Result<T,E>::unwrap::hd92c07d14fd30dd0
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x64cac9ea09f9 - integration_tests::utils::ensure_playground::h5f0555772c418014
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/utils/mod.rs:24:35
[INFO] [stdout]   22:     0x64cac9ea16a3 - integration_tests::read_and_write::{{closure}}::h72e358a390d4efc5
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:30:27
[INFO] [stdout]   23:     0x64cac9e9fe4e - core::ops::function::FnOnce::call_once::h31690add9e55ee47
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x64cac9ee7bf0 - serial_test::serial_file_lock::fs_serial_core::h86aef3614be2c34a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serial_test-2.0.0/src/serial_file_lock.rs:7:5
[INFO] [stdout]   25:     0x64cac9ea0cca - integration_tests::read_and_write::h5207629d27095119
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:28:1
[INFO] [stdout]   26:     0x64cac9ea0c47 - integration_tests::read_and_write::{{closure}}::h9b9431ab3423a1d6
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:29:20
[INFO] [stdout]   27:     0x64cac9e9fd86 - core::ops::function::FnOnce::call_once::h7838a3a810650f79
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   28:     0x64cac9eacdab - core::ops::function::FnOnce::call_once::haf4e03bb51ef1351
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   29:     0x64cac9eacdab - test::__rust_begin_short_backtrace::h50f5566ee84f2f21
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x64cac9eaffa5 - test::run_test_in_process::{{closure}}::heb3733b71d876eca
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x64cac9eaffa5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he2fe41e1b161faa9
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x64cac9eaffa5 - std::panicking::catch_unwind::do_call::h00aa383d8fd97a09
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33:     0x64cac9eaffa5 - std::panicking::catch_unwind::he482e1914bc21641
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34:     0x64cac9eaffa5 - std::panic::catch_unwind::h86ac9705098f4f22
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x64cac9eaffa5 - test::run_test_in_process::h636a992821e3c6aa
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x64cac9eaffa5 - test::run_test::{{closure}}::he454cc9a192df79f
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x64cac9ed5954 - test::run_test::{{closure}}::haec47455908dff86
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x64cac9ed5954 - std::sys::backtrace::__rust_begin_short_backtrace::h230785972524cdc1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   39:     0x64cac9ebc56a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::haa5a562db4cde838
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   40:     0x64cac9ebc56a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h89254f37a55d0a87
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x64cac9ebc56a - std::panicking::catch_unwind::do_call::h499f5a462f019d9d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stdout]   42:     0x64cac9ebc56a - std::panicking::catch_unwind::h6736fbbb1a264383
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stdout]   43:     0x64cac9ebc56a - std::panic::catch_unwind::h49ea7bdd1cbee572
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x64cac9ebc56a - std::thread::Builder::spawn_unchecked_::{{closure}}::h653dfa62acf32f5a
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   45:     0x64cac9ebc56a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h82582a626a045a45
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   46:     0x64cac9ef1fff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4ab26c07513156cc
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47:     0x64cac9ef1fff - std::sys::pal::unix::thread::Thread::new::thread_start::h66ff1bba185a50cf
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   48:     0x70cd9aae5aa4 - <unknown>
[INFO] [stdout]   49:     0x70cd9ab72a34 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- read_missing stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'read_missing' (31) panicked at tests/utils/mod.rs:24:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64cac9f1cf22 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64cac9f1cf22 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64cac9f1cf22 - std::sys::backtrace::_print_fmt::h11496fe34963a885
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64cac9f1cf22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hff1a9408d012ee89
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64cac9f4056f - core::fmt::rt::Argument::fmt::hf11195b61445f5d1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64cac9f4056f - core::fmt::write::h2f1fc679f228cc52
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x64cac9f09523 - std::io::default_write_fmt::h12bd533187bc883d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64cac9f09523 - std::io::Write::write_fmt::h926a1fdfdcb90065
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64cac9f1cd72 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64cac9f07ccc - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64cac9f07b49 - std::panicking::default_hook::h43da101644971931
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x64cac9ea786e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4b2012949041da5d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64cac9ea786e - test::test_main_with_exit_callback::{{closure}}::h53c9154cdc260357
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64cac9f082d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h911f2e3e7e84b764
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64cac9f082d3 - std::panicking::panic_with_hook::hb4e916c3e65eccec
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x64cac9f1c8fa - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x64cac9f1c859 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x64cac9f088fd - __rustc[b29d3319de9a3146]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x64cac9f46890 - core::panicking::panic_fmt::h5f8d281875be5ff1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64cac9f47696 - core::result::unwrap_failed::hbb243a6a8b53218d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x64cac9ea09f9 - core::result::Result<T,E>::unwrap::hd92c07d14fd30dd0
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x64cac9ea09f9 - integration_tests::utils::ensure_playground::h5f0555772c418014
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/utils/mod.rs:24:35
[INFO] [stdout]   22:     0x64cac9ea0cf3 - integration_tests::read_missing::{{closure}}::hb3b807de84eaae49
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:67:27
[INFO] [stdout]   23:     0x64cac9e9fd4e - core::ops::function::FnOnce::call_once::h27e49db6153be287
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x64cac9ee7bf0 - serial_test::serial_file_lock::fs_serial_core::h86aef3614be2c34a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serial_test-2.0.0/src/serial_file_lock.rs:7:5
[INFO] [stdout]   25:     0x64cac9ea1bba - integration_tests::read_missing::h050f9da72478d482
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:65:1
[INFO] [stdout]   26:     0x64cac9ea1b67 - integration_tests::read_missing::{{closure}}::h5f00e63337cb8ee8
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:66:18
[INFO] [stdout]   27:     0x64cac9e9fe86 - core::ops::function::FnOnce::call_once::h5fa2fb656fb2c012
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   28:     0x64cac9eacdab - core::ops::function::FnOnce::call_once::haf4e03bb51ef1351
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   29:     0x64cac9eacdab - test::__rust_begin_short_backtrace::h50f5566ee84f2f21
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x64cac9eaffa5 - test::run_test_in_process::{{closure}}::heb3733b71d876eca
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x64cac9eaffa5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he2fe41e1b161faa9
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x64cac9eaffa5 - std::panicking::catch_unwind::do_call::h00aa383d8fd97a09
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33:     0x64cac9eaffa5 - std::panicking::catch_unwind::he482e1914bc21641
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34:     0x64cac9eaffa5 - std::panic::catch_unwind::h86ac9705098f4f22
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x64cac9eaffa5 - test::run_test_in_process::h636a992821e3c6aa
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x64cac9eaffa5 - test::run_test::{{closure}}::he454cc9a192df79f
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x64cac9ed5954 - test::run_test::{{closure}}::haec47455908dff86
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x64cac9ed5954 - std::sys::backtrace::__rust_begin_short_backtrace::h230785972524cdc1
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   39:     0x64cac9ebc56a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::haa5a562db4cde838
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   40:     0x64cac9ebc56a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h89254f37a55d0a87
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x64cac9ebc56a - std::panicking::catch_unwind::do_call::h499f5a462f019d9d
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stdout]   42:     0x64cac9ebc56a - std::panicking::catch_unwind::h6736fbbb1a264383
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stdout]   43:     0x64cac9ebc56a - std::panic::catch_unwind::h49ea7bdd1cbee572
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x64cac9ebc56a - std::thread::Builder::spawn_unchecked_::{{closure}}::h653dfa62acf32f5a
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   45:     0x64cac9ebc56a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h82582a626a045a45
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   46:     0x64cac9ef1fff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4ab26c07513156cc
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47:     0x64cac9ef1fff - std::sys::pal::unix::thread::Thread::new::thread_start::h66ff1bba185a50cf
[INFO] [stdout]                                at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   48:     0x70cd9aae5aa4 - <unknown>
[INFO] [stdout]   49:     0x70cd9ab72a34 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     overwrite
[INFO] [stdout]     read_and_write
[INFO] [stdout]     read_missing
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de82869e1a469954363eee3597c7b06910622c927f7521ca84f4fc0541a2ce1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de82869e1a469954363eee3597c7b06910622c927f7521ca84f4fc0541a2ce1e", kill_on_drop: false }`
[INFO] [stdout] de82869e1a469954363eee3597c7b06910622c927f7521ca84f4fc0541a2ce1e